Bibliographies thématiques / Non-Standard Interactions

Littérature scientifique sur le sujet « Non-Standard Interactions »

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Publié le 14 mars 2023

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Articles de revues sur le sujet "Non-Standard Interactions"

Girardelli, David, et Marcelo Guzzo. « Neutrino Non-standard Interactions ». Physics Procedia 61 (2015) : 704–7. http://dx.doi.org/10.1016/j.phpro.2014.12.083.

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Day, Melanie. « Non-standard neutrino interactions in IceCube ». Journal of Physics : Conference Series 718 (mai 2016) : 062011. http://dx.doi.org/10.1088/1742-6596/718/6/062011.

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Pulido, João, et C. R. Das. « Solar neutrinos with non-standard interactions ». Nuclear Physics B - Proceedings Supplements 229-232 (août 2012) : 563. http://dx.doi.org/10.1016/j.nuclphysbps.2012.10.004.

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de Gouvêa, André, et Kevin J. Kelly. « Non-standard neutrino interactions at DUNE ». Nuclear Physics B 908 (juillet 2016) : 318–35. http://dx.doi.org/10.1016/j.nuclphysb.2016.03.013.

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Ohlsson, Tommy. « Status of non-standard neutrino interactions ». Reports on Progress in Physics 76, n^o 4 (12 mars 2013) : 044201. http://dx.doi.org/10.1088/0034-4885/76/4/044201.

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He, Xiao Gang, et German Valencia. « RK(⁎)ν and non-standard neutrino interactions ». Physics Letters B 821 (octobre 2021) : 136607. http://dx.doi.org/10.1016/j.physletb.2021.136607.

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Biggio, Carla, Mattias Blennow et Enrique Fernández-Martínez. « General bounds on non-standard neutrino interactions ». Journal of High Energy Physics 2009, n^o 08 (25 août 2009) : 090. http://dx.doi.org/10.1088/1126-6708/2009/08/090.

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Blennow, Mattias, Davide Meloni, Tommy Ohlsson, Francesco Terranova et Mattias Westerberg. « Non-standard interactions using the OPERA experiment ». European Physical Journal C 56, n^o 4 (août 2008) : 529–36. http://dx.doi.org/10.1140/epjc/s10052-008-0683-6.

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Biggio, Carla, Mattias Blennow et Enrique Fernandez-Martinez. « Loop bounds on non-standard neutrino interactions ». Journal of High Energy Physics 2009, n^o 03 (27 mars 2009) : 139. http://dx.doi.org/10.1088/1126-6708/2009/03/139.

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Yasuda, Osamu. « Sensitivity of T2KK to non-standard interactions ». Nuclear Physics B - Proceedings Supplements 217, n^o 1 (août 2011) : 220–22. http://dx.doi.org/10.1016/j.nuclphysbps.2011.04.107.

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Thèses sur le sujet "Non-Standard Interactions"

Szafron, Robert. « General description of neutrino oscillations with non-standard interactions ». Doctoral thesis, Katowice : Uniwersytet Śląski, 2012. http://hdl.handle.net/20.500.12128/5275.

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We present a formalism describing neutrino oscillations in any application beyond the Standard Model theory. Instead of using the standard pure states approach, we apply the density matrix formalism. In general, in New Physics models, neutrino states are no longer as pure as they are in the Standard Model. We discuss the details of the appearance of a mixed state, following which possible New Physics effects are taken at the levels of both the production and detection processes. We present a number of examples of calculations with our formalism, using muons as a source of neutrinos and different detection process. We also show the connection between normal formulae, derived by assuming pure states, and proper results based on the density matrix approach. The difference occurs at the second order in parameters describing the departure from the Standard Model. Finally, as an application of our formalism, we also demonstrate that it is possible to distinguish Dirac and Majorana neutrinos in oscillations when New Physics scalar interactions are present.

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Dennis, Stephen. « Muon antineutrino disappearance and non-standard interactions at the T2K experiment ». Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/77362/.

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T2K is a long-baseline neutrino oscillation experiment, which studies the changing avour composition of a beam over a 295 km baseline from an accelerator at J-PARC to Super-Kamiokande, a 50 kt water Cerenkov detector. The T2K neutrino beam has an energy peak at 0.6 GeV which gives strong sensitivity to oscillations at the atmospheric mass squared splitting. The beam can be run in two modes, producing a beam either dominated by neutrinos or by antineutrinos. Collecting data in antineutrino-mode allows the measurement of the neutrino mixing parameters on antineutrinos only. In the first analysis of T2K antineutrino-mode data, we use beam data collected up to June 2015 to measure sin2⊖23 and j m2 32j. The 90% CL allowed values for mixing angle are 0.327 < sin2⊖23 < 0.692 (normal hierarchy) and 0.332 < sin2⊖23 < 0.697 (inverted hierarchy). The 90% CL allowed values for mass splitting are 2.03x10-3 eV2 < j m2 32j < 2.92x10-3 eV2 (normal hierarchy) and 2.03x10-3 eV2 < j m2 31j < 2.92x10-3 eV2(inverted hierarchy). This is the world's best measurement in sin2⊖23. A difference between neutrino and antineutrino survival probabilities could result from physics beyond the Standard Model, known as non-standard interactions. A simultaneous fit to the T2K neutrino-mode and antineutrino-mode datasets allows for a direct search for such interactions. We see no evidence for this hypothesis.

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Amanik, Philip. « Effects of non-standard neutrino flavor changing interactions in core collapse supernovae ». Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2006. http://wwwlib.umi.com/cr/ucsd/fullcit?p3216385.

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Thesis (Ph. D.)--University of California, San Diego, 2006.
Title from first page of PDF file (viewed September 5, 2006). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 87-89).

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Hansen, Fredrik. « Multidimensional Analysis of Non-Standard Neutrino Interactions Using the Proposed ESSnuSB Experiment ». Thesis, KTH, Teoretisk fysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-175861.

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FORMOZOV, ANDREY. « SEARCH FOR NON-STANDARD NEUTRINO INTERACTIONS WITH LARGE-VOLUME LIQUID SCINTILLATOR DETECTORS ». Doctoral thesis, Università degli Studi di Milano, 2019. http://hdl.handle.net/2434/646205.

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Even though electroweak part of the Standard Model passed decades of testing and precision measurements, there is still a space for the presence of new physics. In particular, the neutrino sector in the last years has been reaching the level of precision oscillometry. However, the current data are not able to exclude many possible extended scenarios, in which new interactions comparable with the standard ones are still possible. This work is dedicated to beyond-Standard-Model interactions of neutrino and electron called Non-Standard Interactions or shortly NSI. Analogously to standard electroweak interactions, NSI could be charged current (CC) and neutral current (NC) type. Usually, in analyses of experiments, NC and CC NSI are considered separately, and I follow this strategy in the course of this work. The global search for NSI involves almost all experimental approaches of neutrino physics and goes far beyond the scope of this work. Here, instead, I look at the problem through the prism of the large-scale liquid scintillator experiments and confine the investigation to the search for NC NSI with solar neutrinos. In addition, I review CC NSI with reactor neutrinos at medium baseline. As a contribution into upcoming JUNO experiment, I investigate liquid scintillator energy response and radiopurity, which are essential for the successful realization of solar and reactor neutrino physics programs and, therefore, for NC and CC NSI search. I analyze in detail the non-linearity and energy resolution of liquid scintillator. I develop an experimental Compton coincidence technique with High Pure Germanium gamma spectrometer, provide a conservative measurement of the Birks’ ionization quenching constant kB and discuss problems related to its measurement. Throughout the study, I also formulate the optimal characteristics of the experimental apparatus for this improvement. The ultimate goal of this investigation is separating intrinsic energy resolution, which was never yet robustly measured for liquid organic scintillators. The intrinsic energy resolution may have an impact on the energy response of the new generation large liquid scintillator detectors such as JUNO and have to be carefully investigated. Applying single photon counting technique, I perform a calibration of the PMT charge scale and set apart statistical term from the total liquid scintillator energy resolution. Remaining term significantly differs from zero, indicating the presence of additional contribution associated with the intrinsic energy resolution. As an outlook, the precise estimation of the light collection should be conducted in order to ensure that its contribution is not significant to mimic the observed intrinsic resolution effect. The analysis of the radiopurity of the liquid scintillator showed that it is close to the one demanded for reactor neutrino program and CC-NSI search. Still, an improvement of purification procedure is necessary to fulfill solar neutrino program requirements for NC NSI search. Finally, I place the limits to NC NSI parameters for electron and tau neutrino with the Phase II data of Borexino experiment. The limits are quite stringent and compatible with other experiments. The best up-to-date limit to the left electron NSI-parameter is obtained. The allowed regions could be further significantly reduced by incorporating the current result in a global analysis. Besides, the same analysis approach is used to measure the squared sine of the Weinberg angle with a precision comparable with reactor neutrino experiments and place the most robust limit on the probability of ν−ν̄ conversion in the Sun for solar neutrinos with energies Eν < 1.8 MeV. I conclude with deliberation on the applicability of solar neutrino NC NSI approach for current JUNO detector configuration.

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Houdy, Thibaut. « Testing non-standard neutrino interactions from 8B solar neutrino rate measurement with Borexino to characterization of the 144Ce source of the SOX experiment ». Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC209/document.

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Le détecteur Borexino, situé au laboratoire souterrain du Gran Sasso (LNGS), mesure les neutrinos solaires depuis 10 ans. Parmi les neutrinos solaires, le spectre continu du 8B jusqu’à 17 MeV permet de tester la zone de transition de l’effet de résonance dans la matière dit effet MSW. Cette nouvelle analyse augmente d’un ordre de grandeur la statistique par rapport à la précédente mesure de Borexino publiée en 2011. Pour ce faire, l’ensemble du volume scintillant a été inclus dans l’analyse, aucune coupure géométrique n’ayant été effectué au dessus de 5 MeV. Cela a permis l’identification d’un nouveau bruit de fond non pris en compte précédemment. L’ensemble des bruits de fond au dessus de 3 MeV est maintenant compris et la composante neutrino peut-être extraite d’un fit radial du détecteur. Afin de tester l’existence d’un neutrino stérile léger, une source de 3-5,5 PBq de 144Ce sera installée sous Borexino au début de l’année 2018 pour un an et demi de prise de données : c’est l’expérience CeSOX. Cette source est produite par PA MAYAK par purification de combustible nucléaire usagé, par conséquent les potentiels contaminants radioactifs sont très nombreux et peu contraints. Pour tester l’hypothèse stérile, une mesure en flux, une mesure en forme et une mesure combinée seront effectuées dans l’ensemble du détecteur Borexino. Ces mesures sont fortement dépendantes de la connaissance intime de la source (composition, forme du spectre beta du 144Ce, énergie moyenne 144Ce et 144Pr). A cette fin, un spectromètre gamma a été spécifiquement étalonné et entièrement simulé au CEA, Saclay. De même un spectromètre beta a été dessiné, assemblé, simulé et est en cours d’étalonnage. Finalement, des mesures de spectrométrie alpha et de masse seront réalisés sur des échantillons représentatifs envoyés au CEA, Saclay afin de contraindre au mieux la composition de la source de 144Ce de SOX
Located in the Gran Sasso underground laboratory (LNGS), Borexino measures solar neutrinos for 10 years. Among solar neutrinos, 8B continuous spectrum (up to 17 MeV) enables to test the transition zone between vacuum and matter regime of the MSW effect. This new measurement increases by one order of magnitude the exposure with respect to previous Borexino publication. To do so, the entire active volume is considered in this analysis above 5 MeV. A new background has been identified and a radial fit is done above 3 and 5 MeV enabling to extract the neutrino component. Existence of a light sterile neutrino would have important consequences on astrophysics and cosmology. SOX is the only experiment aiming at testing this hypothesis using a punctual radioactive source. A 3-5.5 PBq 144Ce source is actually under production and will be positioned under Borexino in 2018. Precise knowledge of the source is one of the main challenge of this experiment, based on rate and shape neutrino measurement. Two critical parameters are the heat released by the source for activity measurement and the expected neutrino spectrum in the detector. We first describe the SOX experiment insisting on 144Ce source production. Then, we focus on Saclay installations dedicated to constrain radioactive contamination inside the source using representative samples. Alpha, gamma and mass spectroscopy calibration and simulation are discussed and competitive constrains are derived. A status on 144Ce beta shape measurements is done as well as presentation of future measurement

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Girardi, Ivan. « Discrete Symmetry Approach to Lepton Flavour, Neutrino Mixing and Leptonic CP Violation, and Neutrino Related Physics Beyond the Standard Theory ». Doctoral thesis, SISSA, 2016. http://hdl.handle.net/20.500.11767/4923.

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The experimental evidences of neutrino oscillation, caused by non-zero neutrino masses and neutrino mixing, which were obtained in the experiments with solar, atmospheric, accelerator and reactor neutrinos, opened new field of research in elementary particle physics. The principal goal is to understand at fundamental level the mechanism giving rise to non-zero neutrino masses and neutrino mixing. The open fundamental questions include those of the nature — Dirac or Majorana — of massive neutrinos, of the type of spectrum neutrino masses obey, of the status of CP symmetry in the lepton sector, of the absolute scale of neutrino masses, and more generally, of understanding the origin of flavour in particle physics. The smallness of neutrino masses suggests that their values are related to the existence of a new fundamental mass (energy scale) in particle physics, i.e., to New Physics beyond that predicted by the Standard Theory. The New Physics can manifest itself in the Majorana nature of massive neutrinos, in the existence of sterile neutrinos with masses at the eV scale, in the existence of new non-standard interactions (NSI) of neutrinos, etc. The present Ph.D. thesis explores aspects of this neutrino-related New Physics. More specifically, we first employ the discrete flavour symmetry approach i) to construct a self-consistent theory of lepton flavour, ii) to understand the pattern of neutrino mixing and to describe it quantitatively, and iii) to derive predictions for leptonic Dirac CP violation. Next we investigate the effects of existence of sterile neutrinos with a Majorana mass at the eV scale on the predictions for the neutrinoless double beta decay effective Majorana mass. Further we present a possible interpretation of the results of the reactor neutrino and accelerator experiments (Daya Bay, RENO, Double Chooz and T2K) on the reactor angle θ13 in the neutrino mixing matrix in terms of non-standard interactions (NSI) of neutrinos. We also analyse the signatures of sterile neutrinos in reactor antineutrino experiments and, in particular, constrain the active-sterile mixing angle using the high-precision data of the Daya Bay reactor experiment. We finally investigate the impact of sterile neutrinos on precision measurements of the standard neutrino oscillation parameters in the upcoming neutrino experiment JUNO.

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Blennow, Mattias. « Theoretical and Phenomenological Studies of Neutrino Physics ». Doctoral thesis, Stockholm : Department of Theoretical Physics, Royal Institute of Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4415.

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Chatelain, Amélie. « Neutrino propagation in dense astrophysical environnements : beyond the standard frameworks ». Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC224.

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Depuis la découverte des oscillations de neutrinos dans le vide, il a été démontré que la présence d'un environnement de matière peut avoir une grande influence sur les changements de saveurs. L'inclusion des termes d'interactions neutrino-neutrino dans les études des conversions de saveurs dans les environnements astrophysiques denses a créé une activité théorique très intense. Cette thèse entre dans ce cadre en allant au-delà des approches usuelles. Dans notre premier projet, nous explorons analytiquement et numériquement le rôle de la cohérence d'hélicité, en nous basant pour la première fois sur une simulation astrophysique détaillée d'un rémanent de fusion de système binaire d'étoiles à neutrons. Cette étude montre que la cohérence d'hélicité n'engendre pas de conversions, et par ce fait, renforce la validité des équations de champs moyens habituellement utilisées dans les milieux denses. Elle apporte également une meilleure compréhension du mécanisme de nonlinear feedback. Après cela, nous examinons dans une seconde partie le rôle des interactions non-standards entre matière et neutrinos dans le même contexte astrophysique. Nous trouvons que la présence de telles interactions peut créer une nouvelle résonance de type MSW, appelée la résonance "inner", qui peut avoir un couplage intéressant avec la résonance matière-neutrino, et provoque des conversions de saveurs très proches de l'objet central. Nous analysons également le mécanisme d'une telle résonance, et montrons qu'elle se manifeste comme une résonance synchronisée en présence d'un potentiel d'interaction neutrino-neutrino fort. Enfin, notre dernière étude est plus formelle et se focalise sur la question fondamentale de la décohérence par séparation de paquets d'ondes en présence de champs gravitationnels forts. Nous utilisons le formalisme de la matrice densité pour le paquet d'onde du neutrino dans la métrique de Schwarzschild, et dérivons l'expression de la longueur de cohérence. Ce travail constitue la toute première étude dans la description de la décohérence en espace-temps courbe
Since the discovery of neutrino oscillations in vacuum, it has been shown that the presence of a matter background can greatly modify the flavor evolution. The inclusion of neutrino self-interactions in the studies of neutrino flavor conversions in dense astrophysical environments has triggered an intense theoretical activity. This thesis enters into this context by going beyond usual approaches. In our first project, we explore analytically and numerically the so-called helicity coherence, using for the first time a detailed astrophysical simulation of binary neutron star merger remnants. This study shows that helicity coherence cannot lead to conversions and, by doing so, strengthens the validity of the usually-employed mean-field equations in dense media. It also brought a better understanding of the nonlinear feedback mechanism. Having done so, we examine in a second part the role of nonstandard matter-neutrino interactions in the same astrophysical setting. We find that the presence of such interactions creates another MSW-like resonance, called the inner resonance, which can have an interesting interplay with the matter-neutrino resonance, and leads to flavor conversions very close to the central object. We also analyze the mechanism of such a resonance and show that it can be met as a synchronized resonance in the presence of a strong self-interaction potential. Finally, our last study is more formal, as it focuses on the fundamental question of decoherence by wave-packet separation in the presence of strong gravitational fields. We use the density matrix formalism for the neutrino wave packet in the Schwarzschild metric and derive the expression of the coherence length. This work provides with the first study in the description of decoherence in curved space-time

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Medina, Jaime Miguel 1983. « Interações não padrão de neutrinos no modelo 331 com setor de Higgs mínimo ». [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/278592.

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Orientador: Pedro Cunha de Holanda
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin
Made available in DSpace on 2018-08-16T08:47:51Z (GMT). No. of bitstreams: 1 MedinaJaime_Miguel_M.pdf: 2665434 bytes, checksum: ff126a38e30aec81b803a8fdcddcbc96 (MD5) Previous issue date: 2010
Resumo: Neste trabalho apresentamos um estudo de alguns problemas que ainda não forem esclarecidos na física de neutrinos do modelo padrão (MP) e encaminhamos eles na direção de física nova. Para esse fim, estuda-se uma classe de extensões de Gauge quirais do MP com simetria SU(3)C x SU(3)L x U(1)X (modelos 331), onde estudamos a interação eletrofraca dos neutrinos com a matéria via correntes carregadas e neutras (CC e CN) através dos bósons Gauge do modelo para processos de espalhamento elástico coerente. Finalmente, encontramos vínculos entre as contribuições não padrão no modelo 331 com as interações não padrão (INP) em experimentos de seção de choque, onde encontramos que o modelo 331 apresenta INP diagonais universais da ordem e a M2 W,Z / M2 X <~ O(10-3). Mostramos que o valor esperado no vácuo (VEV) para o tão procurado bóson de Higgs neste modelo tem que ser ?2 <~174.105GeV e os VEV V > 1.3TeV e 142 GeV < ?1 < 201GeV. Os novos bósons do modelo deverão ter massas maiores a 610 GeV
Abstract: We present a study of some problems that are not yet clarified in Standard Model (SM) neutrino physics and guide them in the direction of new physics. To this aim, we study a class of extensions of the SM Gauge chiral symmetry SU(3)CSU(3)LU(1)X (331 model), where we study the electroweak interaction of neutrinos with matter via charged and neutral current (CC and NC) by the gauge bosons of the model for coherent elastic scattering process. We finally found connections between the non-standard contributions on 331 with non-standard interactions (NSI) in cross section experiments, where we find that the model 331 has diagonal universal NSI of order e a M2 W,Z / M2 X <~ O(10-3) . We show that the expected value in vacuum (VEV) for the quite searched Higgs boson in this model has to be ?2 <~174.105 GeV and the VEV V > 1.3TeV and 142 GeV < ?1 < 201 GeV. The new bosons of the model must have masses greater than 610 GeV
Mestrado
Física das Particulas Elementares e Campos
Mestre em Física

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Livres sur le sujet "Non-Standard Interactions"

Non-perturbative effective interactions in the standard model. Berlin : De Gruyter, 2014.

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Arbuzov, Boris A. Non-Perturbative Effective Interactions in the Standard Model. de Gruyter GmbH, Walter, 2014.

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Baulieu, Laurent, John Iliopoulos et Roland Sénéor. The Existence of Field Theories beyond the Perturbation Expansion. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198788393.003.0024.

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The standard model of fundamental interactions. A brief summary of the phenomenology of weak interactions. The construction of the electroweak theory and its experimental consequences. The deep inelastic scattering data as a motivation for quantum chromodynamics. Asymptotic freedom and the parton model. Quantum chromodynamics formulated on a space–time lattice. Non-trivial gauge field configurations and instantons. The meaning of the winding number. The strong CP problem and axions.

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Garrett, Merrill F. Exploring the Limits of Modularity. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190464783.003.0003.

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Psycholinguistic studies of language processing have revolved historically around “modular” and “interactive” accounts of language use. Experimental reports diverge in claims for the penetration of non-linguistic background information on processing for sentence comprehension. Syntactic processing effects can persist despite available contextual constraints that are sufficient to resolve temporary ambiguity or garden path errors. Nevertheless, there are multiple reports of interactive effects between basic sentence processing and both semantic and non-linguistic contextual information. The chapter suggests a rationalization of such conflicting findings in standard psycholinguistic and experimental pragmatic research, relying on interactions between language comprehension systems and language production systems. Production processes are designed to incorporate discourse and environmental constraints on linguistic formulation. These may be used to filter the products of comprehension mechanisms. A key feature of the argument for complementary roles of the two systems is a degree of modular processing for syntax to be found in both systems.

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Introduction. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199673278.003.0001.

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Using electricity to relieve pain is an age-old technique that pre-dates the discovery of electricity. The ancient Egyptians used electric fish to treat various ailments. Transcutaneous electrical nerve stimulation (TENS) is a technique that delivers pulsed electrical currents across the intact surface of the skin to stimulate peripheral nerves using a ‘standard TENS device’ and conductive electrodes. TENS is principally used as a stand-alone treatment or as an adjunct to core treatment for symptomatic relief of most types of pain. TENS is popular with patients and practitioners because it is non-invasive, easy to administer, and has few side-effects or drug interactions. The purpose of this chapter is to overview what TENS is, why it is used, its history, and terminology used in the TENS literature

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Bruno, Nicola, et Francesco Pavani. Perception. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198725022.001.0001.

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Perception: A Multisensory Perspective examines multisensory interactions as the key process behind how we perceive our own body, control its movements, perceive and recognize objects, respond to edible objects, perceive space, and perceive time. In addition, the book discusses multisensory processing in synaesthesia, multisensory attention, and the role of multisensory processing in learning. Multisensory phenomena in these domains are used to identify general principles, to introduce formal models, to present experimental methods, to discuss pathologies, and to illustrate applications within the domain of multisensory processing. The book is written to be understandable to the educated non-specialist and will be of interest to professionals who need to take into account multisensory processing in domains such as, for instance, physiotherapy and neurological rehabilitation, human–computer interfaces, or marketing. As the chapters address topics that are mostly left out of standard perception or medical textbooks, this book will also serve as a useful reference for the specialist perception scientist and for clinicians specialized in the treatment of sensory deficits.

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Seibt, Johanna. Ontological Tools for the Process Turn in Biology. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198779636.003.0006.

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The purpose of this chapter is to introduce an outline of general process theory (GPT), a non-Whiteheadian systematic process ontology, and to provide some pointers on how this framework could be applied in philosophy of biology to clarify questions of individuality, composition, and emergence. GPT is a mono-categorial framework based on the new category of more or less generic (non-particular) dynamic individuals called ‘general processes’ or ‘dynamics’. According to GPT, the world is the interaction of (more or less generic) dynamics. The chapter sets out some elements of a non-standard mereology (with non-transitive part relations) on processes and introduces the five-dimensional classification system of GPT. It is shown how the theoretical predicates of homeomereity and automereity can be used to distinguish between developments and ‘non-developmental’ or ‘dynamically stable’ temporally unbounded activities that persist in time by literal recurrence.

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Kachelriess, Michael. Anomalies, instantons and axions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198802877.003.0017.

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The axial anomaly is derived both from the non-invariance of the path-integral measure under UA(1) transformations and calculations of specific triangle diagrams. It is demonstrated that the anomalous terms are cancelled in the electroweak sector of the standard model, if the electric charge of all fermions adds up to zero. The CP-odd term F̃μν‎Fμν‎ introduced by the axial anomaly is a gauge-invariant renormalisable interaction which is also generated by instanton transitions between Yang–Mills vacua with different winding numbers. The Peceei–Quinn symmetry is discussed as a possible explanation why this term does not contribute to the QCD action.

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Kilpatrick, Claire. Abnormal Sources and Institutional Actions in the EU Sovereign Debt Crisis—ECB Crisis Management and the Sovereign Debt Loans. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198817468.003.0004.

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This chapter examines the institutional actions and acts produced in the context of the EU sovereign debt crisis. By identifying a number of these acts and actions as abnormal rather than merely non-standard or atypical, attention is drawn to the features of these acts and actions that trouble the law/non-law boundary. Significantly, they trouble it not because they are soft law, but rather because they act as law without fulfilling the requirements or desiderata of binding acts adopted by public authorities. This includes obviously problematic features such as secret sources and institutional actions. It also opens for consideration the cumulative and not easily visible institutional power conferred by interaction of a series of different levers possessed by the European Central Bank in sovereign debt crisis management. Hence the contribution stresses the rule of law issues raised by this large new area of EU action.

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Petchey, Owen L., Andrew P. Beckerman, Natalie Cooper et Dylan Z. Childs. Insights from Data with R. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198849810.001.0001.

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Knowledge of how to get useful information from data is essential in the life and environmental sciences. This book provides learners with knowledge, experience, and confidence about how to efficiently and reliably discover useful information from data. The content is developed from first- and second-year undergraduate-level courses taught by the authors. It charts the journey from question, to raw data, to clean and tidy data, to visualizations that provide insights. This journey is presented as a repeatable workflow fit for use with many types of question, study, and data. Readers discover how to use R and RStudio, and learn key concepts for drawing appropriate conclusions from patterns in data. The book focuses on providing learners with a solid foundation of skills for working with data, and for getting useful information from data summaries and visualizations. It focuses on the strength of patterns (i.e. effect sizes) and their meaning (e.g. correlation or causation). It purposefully stays away from statistical tests and p-values. Concepts covered include distribution, sample, population, mean, median, mode, variance, standard deviation, correlation, interactions, and non-independence. The journey from data to insight is illustrated by one workflow demonstration in the book, and three online. Each involves data collected in a real study. Readers can follow along by downloading the data, and learning from the descriptions of each step in the journey from the raw data to visualizations that show the answers to the questions posed in the original studies.

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Chapitres de livres sur le sujet "Non-Standard Interactions"

Khatun, Amina, Sabya Sachi Chatterjee, Tarak Thakore et Sanjib Kumar Agarwalla. « Constraining Non-Standard Interactions of Neutrino Using ICAL Detector at INO ». Dans XXII DAE High Energy Physics Symposium, 289–92. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73171-1_65.

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Lambert, Paul, et Dave Griffiths. « Exploiting Non-standard Dimension Scores and Network Structures in the Analysis of Social Interactions Between Occupations ». Dans Social Inequalities and Occupational Stratification, 313–36. London : Palgrave Macmillan UK, 2018. http://dx.doi.org/10.1057/978-1-137-02253-0_11.

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Shafaq, Sheeba, et Poonam Mehta. « Impact of Non-standard Interactions on Violation of Leggett-Garg Inequality in Three-Flavour Neutrino Oscillations ». Dans Springer Proceedings in Physics, 617–20. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2354-8_112.

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Altarelli, Guido, et Stefano Forte. « Gauge Theories and the Standard Model ». Dans Particle Physics Reference Library, 7–33. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38207-0_2.

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AbstractThis chapter, Chaps. 10.1007/978-3-030-38207-0_3 and 10.1007/978-3-030-38207-0_4 present a self-contained introduction to the Standard Model of fundamental interactions, which describes in the unified framework of gauge quantum field theories all of the fundamental forces of nature but gravity: the strong, weak, and electromagnetic interactions. This set of chapters thus provides both an introduction to the Standard Model, and to quantum field theory at an intermediate level. The union of the three chapters can be taken as a masters’ level course reference, and it requires as a prerequisite an elementary knowledge of quantum field theory, at the level of many introductory textbooks, such as Vol. 1 of Aitchison-Hey, or, at a somewhat more advanced level, Maggiore. The treatment is subdivided into three parts, each corresponding to an individual chapter, with more advanced field theory topics introduced along the way as needed. Specifically, this chapter presents the general structure of the Standard Model, its field content, and symmetry structure. This involves an introduction to non-abelian gauge theories both at the classical and quantum level. Also, it involves a discussion of spontaneous symmetry breaking and the Higgs mechanism, that play a crucial role in the architecture of the Standard Model, and their interplay with the quantization of gauge theories. Chapter 10.1007/978-3-030-38207-0_3 then presents the electroweak sector of the Standard Model. This requires introducing the concepts of CP violation and mixing, and of radiative corrections. Finally, Chap. 10.1007/978-3-030-38207-0_4 presents the strong sector of the theory, which requires a more detailed treatment of renormalization and the renormalization group.

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Jackson Kimball, Derek F., Leanne D. Duffy et David J. E. Marsh. « Ultralight Bosonic Dark Matter Theory ». Dans The Search for Ultralight Bosonic Dark Matter, 31–72. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95852-7_2.

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AbstractThe basic theoretical concepts motivating the hypothesis that dark matter may consist of ultralight spin-0 or spin-1 bosons are explored. The origin of bosons with masses ≪ 1 eV from spontaneous and explicit symmetry breaking is illustrated with examples. The origins and characteristics of nongravitational couplings or “portals” between ultralight bosons and Standard Model particles and fields are considered, with particular attention paid to the cases of the axion-photon and axion-fermion interactions. Theoretical motivations for the existence of ultralight bosons, besides as an explanation of dark matter, are examined, with particular focus on the Peccei-Quinn solution to the strong CP problem (resulting in the QCD axion) and a dynamical solution to the hierarchy problem (the “relaxion” hypothesis, based on a particular axion-Higgs coupling in the early universe). Mechanisms for non-thermal production of ultralight bosonic dark matter are examined.

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Achucarro, A. « Magnetic Monopoles and Vortices in the Standard Model of Electroweak Interactions ». Dans Topological Defects and the Non-Equilibrium Dynamics of Symmetry Breaking Phase Transitions, 193–211. Dordrecht : Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4106-2_10.

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Asesh, Aishwarya. « Normalization and Bias in Time Series Data ». Dans Digital Interaction and Machine Intelligence, 88–97. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11432-8_8.

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AbstractData normalization is an important preprocessing step in data mining and Machine Learning (ML) technique. Finding an acceptable approach to deal with time series normalization, on the other hand, is not an easy process. This is because most standard normalizing approaches rely on assumptions that aren’t true for the vast majority of time series. The first is that all time series are stationary, which means that their statistical characteristics, such as mean and standard deviation, do not vary over time. The time series volatility is assumed to be uniform in the second assumption. These concerns are not addressed by any of the approaches currently accessible in the literature. This research provides theoretical and experimental evidence, that normalizing time series data, can prove to be of utmost value by trimming non necessary data points and achieving minimum information loss, by using the concept of Minimal Time Series Representation (MTSR).

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Mukul, Manoj Kumar, et Fumitoshi Matsuno. « Extraction of Rhythmic Information from Non-invasively Recorded EEG Signal Using IEEE Standard 1057 Algorithm ». Dans Proceedings of the First International Conference on Intelligent Human Computer Interaction, 125–30. New Delhi : Springer India, 2009. http://dx.doi.org/10.1007/978-81-8489-203-1_10.

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Plischke, Herbert, Christoph Schierz, Peyton Paulick et Niko Kohls. « Human Adequate Lighting in Optimal Healing Environments – Measuring Non-visual Light Effects of a LED Light Source According to German Draft Pre-standard DIN SPEC 5031-100:2012 ». Dans Human-Computer Interaction. Applications and Services, 163–72. Berlin, Heidelberg : Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39262-7_19.

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Christmann, Simon, Marvin Löhr, Imke Busboom, Volker K. S. Feige et Hartmut Haehnel. « Towards Real-Time Human-Machine Interfaces for Robot Cells Using Open Standard Web Technologies ». Dans Technologien für die intelligente Automation, 91–98. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-662-64283-2_7.

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AbstractScreen-based human-machine interfaces are one of the most important elements of industrial automation technologies since modern production lines became too complex to be controlled by a simple start/stop button. While web-based user interfaces have been used in non-industrial areas for many years, they have only been used in industrial applications since the beginning of the Industry 4.0 movement. However, commercially available solutions do not yet have the intuitive operation that customers from non-industrial sectors are accustomed to. In this work, we present a proof-of-concept development that aims to create an intuitive web-based user interface for displaying robot movements. The robot is displayed in a WebGL-based visualization, which also allows user interaction. The user interface is created purely from open standard web technologies so that it works without plugins and is immediately usable in all modern browsers.

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Actes de conférences sur le sujet "Non-Standard Interactions"

Ohlsson, Tommy, Federico Sanchez, M. Sorel et Luis Alvarez-Ruso. « Non-Standard Neutrino Interactions ». Dans SIXTH INTERNATIONAL WORKSHOP ON NEUTRINO-NUCEUS INTERACTIONS IN THE FEW-GEV REGION (NUINT-09). AIP, 2009. http://dx.doi.org/10.1063/1.3274150.

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Fernandez Martinez, Enrique. « Non-Standard Neutrino Interactions ». Dans The Xth Nicola Cabibbo International Conference on Heavy Quarks and Leptons. Trieste, Italy : Sissa Medialab, 2011. http://dx.doi.org/10.22323/1.128.0056.

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FAMAEY, B., et J. P. BRUNETON. « NON-STANDARD BARYON-DARK MATTER INTERACTIONS ». Dans Proceedings of the 7th International Heidelberg Conference on Dark 2009. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814293792_0026.

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GARBUTT, M. A., et B. H. J. MCKELLAR. « NON-STANDARD INTERACTIONS AND NEUTRINO OSCILLATIONS ». Dans Proceedings of the Workshop. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776662_0008.

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Fernández-Martínez, Enrique, Daniel Kaplan, Maury Goodman et Zack Sullivan. « Bounds on Neutrino Non-Standard Interactions ». Dans NEUTRINO FACTORIES, SUPERBEAMS, AND BETA BEAMS : 11th International Workshop on Neutrino Factories, Superbeams and Beta Beams—NuFact09. AIP, 2010. http://dx.doi.org/10.1063/1.3399278.

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Pérez Martínez, Ricardo, Arnulfo Zepeda et Omar Miranda. « Neutrino Telescopes and Non Standard Interactions ». Dans PARTICLES AND FIELDS : X Mexican Workshop on Particles and Fields. AIP, 2006. http://dx.doi.org/10.1063/1.2359278.

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Lohfink, Elisa, Rasha Abbasi, Markus Ackermann, Jenni Adams, Juanan Aguilar, M. Ahlers, Maryon Ahrens et al. « Non-standard neutrino interactions in IceCube ». Dans The European Physical Society Conference on High Energy Physics. Trieste, Italy : Sissa Medialab, 2022. http://dx.doi.org/10.22323/1.398.0245.

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Blennow, Mattias. « Non-standard interactions using the OPERA experiment ». Dans 10th International Workshop on Neutrino Factories, Super beams and Beta beams. Trieste, Italy : Sissa Medialab, 2009. http://dx.doi.org/10.22323/1.074.0058.

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OTA, Toshihiko. « Neutrino factory optimization for non-standard interactions ». Dans 10th International Workshop on Neutrino Factories, Super beams and Beta beams. Trieste, Italy : Sissa Medialab, 2009. http://dx.doi.org/10.22323/1.074.0134.

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Escrihuela, Francisco J., Agustín Conde-Gallardo, Eloy Ayón-Beato, Juan José Godina-Nava, Martín Hernández-Contreras et Liliana Velasco-Sevilla. « Analysis of non-standard neutrino-quark interactions ». Dans ADVANCED SUMMER SCHOOL IN PHYSICS 2011 : EAV2011. AIP, 2012. http://dx.doi.org/10.1063/1.3678619.

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Rapports d'organisations sur le sujet "Non-Standard Interactions"

Isvan, Zeynep. Antineutrino Oscillations and a Search for Non-standard Interactions with the MINOS. Office of Scientific and Technical Information (OSTI), janvier 2012. http://dx.doi.org/10.2172/1247700.

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Berlinski, Samuel. Helping Struggling Students and Benefiting All : Peer Effects in Primary Education. Inter-American Development Bank, mai 2022. http://dx.doi.org/10.18235/0004268.

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We exploit the randomized evaluation of a remedying education intervention that improved the reading skills of low-performing third grade students in Colombia, to study whether providing educational support to low-achieving students affects the academic performance of their higher-achieving classmates. We find that the test scores of non-treated children in treatment schools increased by 0.108 of a standard deviation compared to similar children in control schools. We interpret the reduced-form effect on higher-achieving students as a spillover effect within treated schools. We then estimate a linear-in-means model of peer effects, finding that a one-standard-deviation increase in peers' contemporaneous achievement increases individual test scores by 0.679 of a standard deviation. We rule out alternative explanations coming from a reduction in class size. We explore several mechanisms, including teachers' effort, students' misbehavior, and peer-to-peer interactions. Our findings show that policies aimed at improving the bottom of the achievement distribution have the potential to generate social-multiplier effects that benefit all.

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Felix, Meier, Wilfried Rickels, Christian Traeger et Martin Quaas. Working paper published on NETs in strategically interacting regions based on simulation and analysis in an extended ACE model. OceanNets, 2022. http://dx.doi.org/10.3289/oceannets_d1.5.

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Net-zero climate policies foresee deployment of atmospheric carbon dioxide removal wit geological, terrestrial, or marine carbon storage. While terrestrial and geological storage would be governed under the framework of national property rights, marine storage implies that carbon is transferred from one global common, the atmosphere, to another global common, the ocean, in particular if storage exceeds beyond coastal applications. This paper investigates the option of carbon dioxide removal (CDR) and storage in different (marine) reservoir types in an analytic climate-economy model, and derives implications for optimal mitigation efforts and CDR deployment. We show that the introduction of CDR lowers net energy input and net emissions over the entire time path. Furthermore, CDR affects the Social Cost of Carbon (SCC) via changes in total economic output but leaves the analytic structure of the SCC unchanged. In the first years after CDR becomes available the SCC is lower and in later years it is higher compared to a standard climate-economy model. Carbon dioxide emissions are first higher and then lower relative to a world without CDR. The paper provides the basis for the analysis of decentralized and potentially non-cooperative CDR policies.

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