Academic literature on the topic 'Baryonen'
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Journal articles on the topic "Baryonen"
LEDDIG, TORSTEN. "INVESTIGATION OF B-MESON DECAYS INTO BARYONS WITH THE BABAR DETECTOR." International Journal of Modern Physics A 26, no. 03n04 (February 10, 2011): 545–48. http://dx.doi.org/10.1142/s0217751x11051986.
Full textPardo Calderón, Leandro Manuel. "Baryon Acoustic Oscillations. Equation and physical interpretation." Scientia et Technica 23, no. 2 (June 30, 2018): 263–68. http://dx.doi.org/10.22517/23447214.17251.
Full textGARCIA-RECIO, C., L. L. SALCEDO, D. GAMERMANN, J. NIEVES, O. ROMANETS, and L. TOLOS. "CHARMING BARYONS." International Journal of Modern Physics: Conference Series 26 (January 2014): 1460124. http://dx.doi.org/10.1142/s2010194514601240.
Full textKhan, Mehbub, Yun Hao, and Jong-Ping Hsu. "Baryonic Force for Accelerated Cosmic Expansion and Generalized U1b Gauge Symmetry in Particle-Cosmology." EPJ Web of Conferences 168 (2018): 04004. http://dx.doi.org/10.1051/epjconf/201816804004.
Full textHOSAKA, A., H. TOKI, and M. TAKAYAMA. "BARYON SPECTRA IN DEFORMED OSCILLATOR QUARK MODEL." Modern Physics Letters A 13, no. 21 (July 10, 1998): 1699–707. http://dx.doi.org/10.1142/s0217732398001777.
Full textDominguez-Tenreiro, Rosa, and Gustavo Yepes. "On the Possibility of a Higher Baryonic Contribution to Dark Matter." Symposium - International Astronomical Union 130 (1988): 592. http://dx.doi.org/10.1017/s0074180900137180.
Full textKostyuk, Ivan, Robert Lilow, and Matthias Bartelmann. "Baryon-photon interactions in Resummed Kinetic Field Theory." Journal of Cosmology and Astroparticle Physics 2023, no. 09 (September 1, 2023): 032. http://dx.doi.org/10.1088/1475-7516/2023/09/032.
Full textMartinsson, Thomas, Marc Verheijen, Matthew Bershady, Kyle Westfall, David Andersen, and Rob Swaters. "Mass distributions in disk galaxies." Proceedings of the International Astronomical Union 11, S321 (March 2016): 283. http://dx.doi.org/10.1017/s1743921316011169.
Full textGhalenovi, Zahra. "Study of Heavy Strange Baryons in a Hypercentral Quark Model." International Journal of Modern Physics: Conference Series 46 (January 2018): 1860037. http://dx.doi.org/10.1142/s2010194518600376.
Full textHuang, Hung-Jin, Tim Eifler, Rachel Mandelbaum, Gary M. Bernstein, Anqi Chen, Ami Choi, Juan García-Bellido, et al. "Dark energy survey year 1 results: Constraining baryonic physics in the Universe." Monthly Notices of the Royal Astronomical Society 502, no. 4 (February 15, 2021): 6010–31. http://dx.doi.org/10.1093/mnras/stab357.
Full textDissertations / Theses on the topic "Baryonen"
Kiehlmann, H. D. [Verfasser]. "Vorhersage von Strukturfunktionen der Baryonen fuer die elektromagnetische und schwache Wechselwirkung / H. D. Kiehlmann." Karlsruhe : KIT-Bibliothek, 2010. http://d-nb.info/1188749358/34.
Full textUrlichs, Konrad. "Baryons and baryonic matter in four-fermion interaction models." [S.l.] : [s.n.], 2007. http://deposit.ddb.de/cgi-bin/dokserv?idn=983572755.
Full textNicolini, Janina. "Study of rare beauty baryon decays with the LHCb detector." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP049.
Full textFlavour-changing neutral currents, such as b-> sl+l- transitions, are forbidden at tree level in the Standard Model (SM), and can only occur at loop level. Therefore, they are sensitive to small deviations from the presence of possible New Physics (NP) effects with respect to the SM predictions. While ordinary matter is made out of baryons, very few measurements have been performed with baryonic b-> sl+l- transitions due to the production suppression of beauty baryons at collider experiments. In this thesis, several analyses are presented to improve the knowledge of the four weakly decaying beauty baryons and respective b-> sl+l- transitions. First of all, the current status of the angular analysis of Lambdab -> Lambdal+l- decays is presented for the first time using the full Run~1 and 2 datasets collected by the LHCb experiment. All ten angular coefficients are attempted to be measured in the dilepton invariant mass squared, q2, range from 15 to 20 GeV^2/c^4 for the muon mode. The muon mode fit procedure has been validated with pseudo-experiments. The angular observables of the Lambdamu+mu- are kept blind in the thesis. Furthermore, the charmonium decay modes, Xib- -> Xi-Jpsi and Omegab- -> Omega-Jpsi, have been used to improve the knowledge of the Omegab- baryon properties. Similarly, the previously not observed Xib0 -> Xi0Jpsi and Xib0 -> Xi0 psi(2S) decays have been studied. In addition, this thesis also presents the current status for the first search for the Xib- -> Xi-mu+mu- decay and the observation of the respective Xib- -> Xi-psi(2S) decay. Besides the analysis work conducted in this thesis, the contributions to the Scintillating Fibre (SciFi) detector of the LHCb experiment are discussed
Flavour-ändernde neutrale Ströme, wie b-> sl+l- Übergänge, sind im Standardmodell (SM) auf Baumgraphen-Niveau verboten und können nur auf Schleifenebene auftreten. Daher sind sie sehr sensitiv gegenüber kleinsten Abweichungen in Bezug auf die SM-Vorhersagen erzeugt durch die mögliche Existenz der Neuen Physik (NP). Während gewöhnliche Materie aus Baryonen besteht, wurden bisher nur sehr wenige Messungen mit baryonischen b-> sl+l- Übergängen durchgeführt, da die Produktion von Beauty-Baryonen bei Beschleunigerexperimenten unterdrückt wird. In dieser Arbeit werden mehrere Analysen vorgestellt, um das Wissen über die vier schwach zerfallenden Beauty-Baryonen und die entsprechenden b-> sl+l- Übergänge zu verbessern. Zunächst wird der aktuelle Stand der Winkelanalyse von Lambdab-> Lambdal+l- Zerfällen präsentiert, in der zum ersten Mal die vollständigen Datensätze vom Run 1 und 2 des LHCb-Experiments genutzt werden. Alle zehn Winkelkoeffizienten werden im Bereich der quadrierten invarianten Dileptonenmasse 2q2 von 15 bis 20 GeV^2/c^4 für den myonischen Zerfallskanal gemessen. Das Verfahren zur Messung der Winkelkoeffizienten wurde mit Pseudo-Experimenten validiert. Der Signalbereich zur finalen Bestimmung der Werte der Winkelobservablen von dem Lambdab-> Lambdamu+mu- Zerfall wird in dieser Arbeit ausgespart. Darüber hinaus wurden die Charmonium-Zerfallskanäle Xib- -> Xi-Jpsi und Omegab- -> Omega-Jpsi dazu verwendet, die Erkenntnis über die Eigenschaften des Omegab- Baryonens zu verbessern. Ebenso wurden die bisher nicht beobachteten Xib0 -> Xi0Jpsi und Xib0 ->Xi0psi2S Zerfälle untersucht. Darüber hinaus wird in dieser Arbeit der aktuelle Stand der ersten Suche nach dem Xib- -> Xi-mu+mu- Zerfall und die Beobachtung des Xib- -> Xi-psi2S-Zerfalls dargestellt. Neben den in dieser Arbeit durchgeführten Analysen werden auch die Beiträge zum SciFi-Detektor des LHCb Experiments diskutiert
Ouared, Mohamed Rafik. "Étude des propriétés de production et de désintégration du baryon charme lambda C dans les interactions PP à 400 GeV/c." Paris 11, 1987. http://www.theses.fr/1987PA112191.
Full textDrach, Vincent. "Fermions twistés dynamiques et spectroscopie des baryons." Phd thesis, Grenoble, 2010. http://www.theses.fr/2010GRENY015.
Full textThe aim of this work is an ab initio computation of the baryon masses starting from quantum chromodynamics (QCD). This theory describe the interaction betw een quarks and gluons and has been established at high energy thanks to one of its fundamental properties : the asymptotic freedom. This property predicts th at the running coupling constant tends to zero at high energy and thus that perturbative expansions in the coupling constant are justified in this regime. On the contrary the low energy dynamics can only be understood in terms of a non perturbative approach. To date, the only known method that allows the computat ion of observables in this regime together with a control of its systematic effects is called lattice QCD. It consists in formulating the theory on an Eucl idean space-time and to evaluating numerically suitable functional integrals. The chapter 1 and 2 are an introduction to the QCD in the continuum and on a discrete space time. The chapter 3 deals with the techniques needed to build hadronic correlator starting from gauge configuration. We then discuss how we determine hadron masses and their statistical errors. The numerical estimation of functional integral is explained in chapter 4. It is stressed that it requires sophisticated algorithm and massive parallel computating on BlueGene type architecture. Gauge configuration production is an important part of the work realized during my Ph. D. Chapter 5 is a critical review on chiral perturbation theory in the baryon sector. Th e chapters 6 and 7 are devoted to the analyze in the light and strange baryon sector. Systematics and chiral extrapolation are extensively discussed
Drach, Vincent. "Fermions twistés dynamiques et spectroscopie des baryons." Phd thesis, Université de Grenoble, 2010. http://tel.archives-ouvertes.fr/tel-00633497.
Full textHaupt, Christian. "Electromagnetic properties of baryons." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=980373271.
Full textChabanier, Solène. "Neutrinos and dark matter cosmology with the Lyman-α forest : the interplay between large-scale evolution and small-scale baryonic physics." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASP034.
Full textEven if the standard cosmological LCDM model provides a remarkably successful framework to explain many independent observations, it still faces many challenges. In particular, the masses of neutrinos are still unknown and significantly alter structure formation because of their free-streaming that suppresses density fluctuations below a typical length scale inversely proportional to their rest mass. In addition, the cold dark matter (CDM) scenario is in tension with observations on scales smaller than the Mpc. In this thesis work, I use the power spectrum of the transmitted flux in the Lyman-α forest of distant quasar spectra to constrain the sum of neutrino masses, Σ mν, and determine the plausibility of a warm dark matter model, which is conveniently consistent with cold dark matter predictions on large scales while circumventing its issues at small scales because of its non-negligible velocity dispersion. First I measure the 1D power spectrum of the Lyα forest of 43,751 high quality quasar spectra between 2 ≤ z ≤ 4.6 from the BOSS and eBOSS programs of the SDSS spectroscopic survey. To obtain robust results given the unprecedented statistical power of the data I perform a careful investigation of observational systematic sources and their sources. Modeling the Lyα flux power spectrum requires to run hydrodynamical cosmological simulations because it arises from the complex interplay between large-scale structure evolution and small-scale baryonic physics. Indeed, astrophysical processes such as star formation or AGN feedback inject energy in the ambient medium and strongly impact the thermal state and gas distribution in the intergalactic medium. Including such processes in hydrodynamical simulations requires to rely on arbitrary parameters calibrated on astrophysical observations leading to discrepancies between different state-of-the-art simulations. In order to improve theoretical predictions of the Lyα forest, I constrain the impact of AGN feedback using a series of 8 hydro-cosmological simulations covering the whole plausible range of feedback models. I provide upper and lower limit for this signature for 2 ≤ z ≤ 4.25 and also show that ignoring this effect leads to 2σ shift on n_s and 1σ shift on σ_8. Finally, I combine the Lyα flux power spectrum measurements with CMB data, BAO data and theoretical predictions from hydrodynamical simulations to enhance the previously established constraints on the sum of neutrino masses from Σ mν < 0.12 eV to the most stringent constraints to date Σ mν < 0.09 eV in the most extreme case with 95% confidence, which tends to favor the normal hierarchy neutrino mass scenario. Combining eBOSS with XQ-100 Lyα data the mass m_X of hypothetical thermal relics is constrained to m_X > 5.3 keV at the 95% confidence level in the case of a pure warm dark matter scenario, which translates into mν_s > 34 kev for non-resonantly produced sterile neutrinos. Also, a mild-tension is found on n_s between eBOSS Lyα and CMB data, which translates into a preference for a non-zero running of n_s at the level of about 3σ
Kerins, Eamonn John. "Baryonic dark matter and its detection." Thesis, Queen Mary, University of London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243974.
Full textMiyamoto, Takaya. "Charmed baryon interaction from lattice QCD and its application to charmed hypernuclei." Kyoto University, 2019. http://hdl.handle.net/2433/242606.
Full textBooks on the topic "Baryonen"
Barnes, Ted, and Hans-Peter Morsch. Baryon excitations: Lectures of the COSY workshop held at the Forschungszentrum Jülich from 2 to 3 May 2000. Jülich, Germany: Forschungszentrum Jülich, Central Library, 2000.
Find full textRiehecky, Janet. Baryonyx. Mankato, MN: Child's World, 1991.
Find full textMoshe, Gai, ed. Baryons '92. Singapore: World Scientific, 1993.
Find full textLynden-Bell, D., and G. Gilmore, eds. Baryonic Dark Matter. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0565-8.
Full textD, Lynden-Bell, and Gilmore Gerry 1951-, eds. Baryonic dark matter. Dordrecht [Netherlands]: Kluwer Academic, 1990.
Find full textLynden-Bell, D. Baryonic Dark Matter. Dordrecht: Springer Netherlands, 1990.
Find full textInternational Symposium on Lepton and Baryon Number Violation (1st 1998 Trento, Italy). Lepton and baryon number violation in particle physics, astrophysics, and cosmology: Proceedings of the First International Symposium on Lepton and Baryon Number Violation (Lepton-Baryon 98), European Centre for Theoretical Physics, Trento, Italy, 20-25 April 1998. Bristol: Institute of Physics Pub., 1999.
Find full textWeigel, H. Chiral soliton models for baryons. Berlin: Springer, 2008.
Find full textH, Toki, ed. Quarks, baryons and chiral symmetry. Singapore: World Scientific, 2001.
Find full textMollerach, Silvia. Axino-induced baryogenesis. Batavia, IL: Fermi National Accelerator Laboratory, 1991.
Find full textBook chapters on the topic "Baryonen"
Povh, Bogdan, Klaus Rith, Christoph Scholz, and Frank Zetsche. "Baryonen." In Teilchen und Kerne, 207–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-13115-2_15.
Full textPovh, Bogdan, Klaus Rith, Christoph Scholz, and Frank Zetsche. "Baryonen." In Teilchen und Kerne, 181–205. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-97475-5_14.
Full textPovh, Bogdan, Klaus Rith, Christoph Scholz, and Frank Zetsche. "Baryonen." In Teilchen und Kerne, 193–217. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-662-10281-7_15.
Full textPovh, Bogdan, Klaus Rith, Christoph Scholz, and Frank Zetsche. "Baryonen." In Teilchen und Kerne, 193–217. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-662-10282-4_15.
Full textPovh, Bogdan, Klaus Rith, Christoph Scholz, and Frank Zetsche. "Baryonen." In Teilchen und Kerne, 187–211. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-10283-1_15.
Full textPovh, Bogdan, Klaus Rith, Christoph Scholz, Frank Zetsche, and Werner Rodejohann. "Baryonen." In Teilchen und Kerne, 253–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37822-5_16.
Full textCarlson, C. E. "Perturbative QCD, Baryons, and Baryon Resonances." In New Aspects of Nuclear Dynamics, 71–92. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0547-7_3.
Full textPovh, Bogdan, Klaus Rith, Christoph Scholz, Frank Zetsche, and Werner Rodejohann. "Baryons." In Graduate Texts in Physics, 253–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46321-5_16.
Full textAmsler, Claude. "Baryons." In The Quark Structure of Hadrons, 155–67. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-98527-5_13.
Full textRijken, Th A. "Baryon-Baryon Interactions." In Few-Body Problems in Physics ’93, 1–12. Vienna: Springer Vienna, 1994. http://dx.doi.org/10.1007/978-3-7091-9352-5_1.
Full textConference papers on the topic "Baryonen"
NAWA, KANABU, HIDEO SUGANUMA, ATSUSHI HOSAKA, and TORU KOJO. "BARYONS AND BARYONIC MATTER IN HOLOGRAPHIC QCD." In Hadron and Nuclear Physics 09. WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814313933_0015.
Full textOset Baguena, Eulogio. "Interaction of vector mesons with baryons and the generation of baryonic resonances." In International Workshop on Effective Field Theories: from the pion to the upsilon. Trieste, Italy: Sissa Medialab, 2009. http://dx.doi.org/10.22323/1.069.0059.
Full textTakeuchi, Sachiko, Makoto Takizawa, Kiyotaka Shimizu, Atsushi Hosaka, Kanchan Khemchandani, Hideko Nagahiro, and Kanabu Nawa. "Negative-parity Λ[sub Q] baryons in the baryon-meson continuum." In INTERNATIONAL CONFERENCE ON THE STRUCTURE OF BARYONS (BARYONS' 10). AIP, 2011. http://dx.doi.org/10.1063/1.3647409.
Full textOset, E. "Baryonic Resonances from the Interactions of the Baryon Decuplet and Meson Octet." In HADRON SPECTROSCOPY: Eleventh International Conference on Hadron Spectroscopy. AIP, 2006. http://dx.doi.org/10.1063/1.2176487.
Full textMurakami, Kotaro, Yutaro Akahoshi, Sinya Aoki, and Kenji Sasaki. "Investigations of decuplet baryons from meson-baryon interactions in the HAL QCD method." In The 38th International Symposium on Lattice Field Theory. Trieste, Italy: Sissa Medialab, 2022. http://dx.doi.org/10.22323/1.396.0345.
Full textOset Baguena, Eulogio. "Baryonic resonances dynamically generated from the interactionof vector mesons with stable baryons of the decuplet." In 6th International Workshop on Chiral Dynamics. Trieste, Italy: Sissa Medialab, 2010. http://dx.doi.org/10.22323/1.086.0053.
Full textGENG, L. S., J. MARTIN CAMALICH, L. ALVAREZ-RUSO, and M. J. VICENTE-VACAS. "MASSES AND MAGNETIC MOMENTS OF GROUND-STATE BARYONS IN COVARIANT BARYON CHIRAL PERTURBATION THEORY." In Proceedings of the 14th National Conference on Nuclear Structure in China. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814447485_0013.
Full textKato, Yuji. "Search for doubly-charmed baryons and study of charmed-strange baryon states at Belle." In XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects. Trieste, Italy: Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.203.0195.
Full textLiang, Wei-Hong, C. W. Xiao, and E. Oset. "Baryons with open beauty dynamically generated from meson-baryon interaction in the extended local hidden gauge approach." In XVITH INTERNATIONAL CONFERENCE ON HADRON SPECTROSCOPY: Hadron2015. Author(s), 2016. http://dx.doi.org/10.1063/1.4949405.
Full textMANOHAR, A. V. "BARYONS." In Phenomenology of Large NC QCD. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776914_0015.
Full textReports on the topic "Baryonen"
Swiatek, Joseph Alexander. A Study of charm baryons containing a lambda baryon in the final state. Office of Scientific and Technical Information (OSTI), April 1995. http://dx.doi.org/10.2172/1423680.
Full textMukhopadhyay, N. C. Excited baryons. Office of Scientific and Technical Information (OSTI), January 1986. http://dx.doi.org/10.2172/6901547.
Full textGibney, Mark C. Photoproduction of Charmed Baryons. Office of Scientific and Technical Information (OSTI), April 1989. http://dx.doi.org/10.2172/1427791.
Full textGibney, Mark C. Photoproduction of Charmed Baryons. Office of Scientific and Technical Information (OSTI), April 1989. http://dx.doi.org/10.2172/1156311.
Full textBecher. Baryon Chiral Dynamics. Office of Scientific and Technical Information (OSTI), August 2002. http://dx.doi.org/10.2172/799939.
Full textBjorken, James. Masses of charm and strange baryons. Office of Scientific and Technical Information (OSTI), August 1986. http://dx.doi.org/10.2172/1163145.
Full textMattson, Mark Edward. Search for Baryons with Two Charm Quarks. Office of Scientific and Technical Information (OSTI), January 2002. http://dx.doi.org/10.2172/1420963.
Full textSummers, D. J. Charm strange baryons and the 1.5 prong. Office of Scientific and Technical Information (OSTI), December 1992. http://dx.doi.org/10.2172/10125015.
Full textBula, Rahmi. First Observation of An Excited Charm Baryon Decaying to Omega Charm Baryon at the BaBar Experiment. Office of Scientific and Technical Information (OSTI), January 2006. http://dx.doi.org/10.2172/920288.
Full textLanza, Lucille. Search for hybrid baryons with CLAS12 experimental setup. Office of Scientific and Technical Information (OSTI), March 2017. http://dx.doi.org/10.2172/1369432.
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