Bibliografías temáticas / Matter-antimatter Asymmetry

Literatura académica sobre el tema "Matter-antimatter Asymmetry"

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Publicado: 7 de septiembre de 2023

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Artículos de revistas sobre el tema "Matter-antimatter Asymmetry"

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Bugaev, E. V. "Matter-antimatter asymmetry". Nuclear Physics B - Proceedings Supplements 122 (julio de 2003): 98–108. http://dx.doi.org/10.1016/s0920-5632(03)80367-5.

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Perkins, W. A. "On the matter–antimatter asymmetry". Modern Physics Letters A 30, n.º 31 (14 de septiembre de 2015): 1550157. http://dx.doi.org/10.1142/s0217732315501576.

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Although the big bang should have produced equal amounts of matter and antimatter, there is evidence that the universe does not contain significant amounts of antimatter. The usual explanations for this matter–antimatter asymmetry involve finding causes for Sakharov’s three conditions to be satisfied. However, if the composite photon theory is correct, antimatter galaxies should appear to us as dark matter, neither emitting light (that we can detect) or reflecting ordinary light. Thus the presence of antimatter galaxies may be harder to detect than previously thought. The large clumps of dark matter that have been observed by weak gravitation lensing could be clusters of antimatter galaxies. “Dark photons,” that are hypothesized to cause self-interactions between dark matter particles, are identified as antiphotons in the composite photon theory. The possibility of a patchwork universe, that had been previously excluded, is also re-examined.
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Enomoto, Seishi y Tomohiro Matsuda. "Asymmetric preheating". International Journal of Modern Physics A 33, n.º 25 (10 de septiembre de 2018): 1850146. http://dx.doi.org/10.1142/s0217751x18501464.

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We study the generation of the matter–antimatter asymmetry during bosonic preheating, focusing on the sources of the asymmetry. If the asymmetry appears in the multiplication factor of the resonant particle production, the matter–antimatter ratio will grow during preheating. On the other hand, if the asymmetry does not grow during preheating, one has to find out another reason. We consider several scenarios for the asymmetric preheating to distinguish the sources of the asymmetry. We also discuss a new baryogenesis scenario, in which the asymmetry is generated without introducing either loop corrections or rotation of a field.
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Robson, Brian Albert. "The Matter-Antimatter Asymmetry Problem". Journal of High Energy Physics, Gravitation and Cosmology 04, n.º 01 (2018): 166–78. http://dx.doi.org/10.4236/jhepgc.2018.41015.

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AHLUWALIA, D. V. y M. KIRCHBACH. "PRIMORDIAL SPACETIME FOAM AS AN ORIGIN OF COSMOLOGICAL MATTER–ANTIMATTER ASYMMETRY". International Journal of Modern Physics D 10, n.º 06 (diciembre de 2001): 811–23. http://dx.doi.org/10.1142/s0218271801001608.

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The possibility is raised that the observed cosmological matter–antimatter asymmetry may reside in asymmetric spacetime fluctuations and their interplay with the Stückelberg–Feynman interpretation of antimatter. The presented thesis also suggests that the effect of spacetime fluctuations is to diminish the fine structure constant in the past. Recent studies of the QSO absorption lines provide a 4.1 standard deviation support for this prediction. Our considerations suggest that in the presence of spacetime fluctuations, the principle of local gauge invariance, and the related notion of parallel transport, must undergo fundamental changes.
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Buchmüller, W. "Matter‐antimatter asymmetry of the universe". Annalen der Physik 513, n.º 1-2 (febrero de 2001): 95–108. http://dx.doi.org/10.1002/andp.200151301-209.

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Dine, Michael y Alexander Kusenko. "Origin of the matter-antimatter asymmetry". Reviews of Modern Physics 76, n.º 1 (16 de diciembre de 2003): 1–30. http://dx.doi.org/10.1103/revmodphys.76.1.

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Quinn, Helen R. y Michael S. Witherell. "The Asymmetry between Matter and Antimatter". Scientific American 279, n.º 4 (octubre de 1998): 76–81. http://dx.doi.org/10.1038/scientificamerican1098-76.

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Buchmüller, Wilfried y Michael Plümacher. "Matter–antimatter asymmetry and neutrino properties". Physics Reports 320, n.º 1-6 (octubre de 1999): 329–39. http://dx.doi.org/10.1016/s0370-1573(99)00057-5.

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Quinn, Helen R. "The Asymmetry Between Matter and Antimatter". Physics Today 56, n.º 2 (febrero de 2003): 30–35. http://dx.doi.org/10.1063/1.1564346.

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Tesis sobre el tema "Matter-antimatter Asymmetry"

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Mehrban, Hossein. "Matter-antimatter asymmetry of b-quark and B-meson decays". Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324379.

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Rahatlou, Shahram. "Observation of matter-antimatter asymmetry in the B⁰ meson system /". Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2002. http://wwwlib.umi.com/cr/ucsd/fullcit?p3071002.

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Koch, Horst Josef. "Matter and antimatter asymmetry in the early universe: new hypothesis of hydrogen formation based on wave-particle duality or electric dipole asymmetry". Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-135667.

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A new hypothesis of matter formation after the big bang based on either particle-wave duality or electric dipole asymmetry. Both assumptions allow to postulate that the probability of matter formation is slightly higher than that of antimatter formation. As a consequence, this difference of probabilities ∆Pp for protons and ∆Pe with regard to electrons avoided complete annihilation in the beginning.
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Vertongen, Gilles. "The fall and rise of antimatter: probing leptogenesis and dark matter models". Doctoral thesis, Universite Libre de Bruxelles, 2009. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210200.

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Big Bang Nucleosynthesis (BBN), together with the analyses of the Cosmic Microwave Background (CMB) anisotropies, confirm what our day to day experience of life attests :antimatter is far less present than matter in the Universe. In addition, these observables also permit to evaluate that there exists about one proton for every 10^{10} photons present in the Universe. This is in contradiction with expectations coming from the standard hot big bang, where no distinction between matter and antimatter is made, and where subsequent annihilations would lead to equal matter and antimatter contents, at a level 10^{−10} smaller than the observed one. The Standard Model of fundamental interactions fails to explain this result, leading us to search for ‘Beyond the Standard Model’ physics.

Among the possible mechanism which could be responsible for the creation of such a matter asymmetry, leptogenesis is particularly attractive because it only relies on the same ingredients previously introduced to generate neutrino masses. Unfortunatelly, this elegant proposal suffers from a major difficulty :it resists to any tentative of being probed by our low energy observables. In this thesis, we tackle the problem the other way around and propose a way to falsify this mechanism. Considering the type-I leptogenesis mechanism, i.e. a mechanism based on the asymmetric decay of right-handed neutrinos, in a left-right symmetric framework, we show that the observation of a right-handed gauge boson W_R at future colliders would rule out any possibility for such mechanism to be responsible of the matter asymmetry present in our Universe.

Another intriguing question that analyses of the anisotropies of the CMB confirmed is the presence of a non-baryonic component of matter in our Universe, i.e. the dark matter. As hinted by observations of galactic rotation curves, it should copiously be present in our galactic halo, but is notoriously difficult to detect directly. We can take advantage on the fact that antimatter almost disappeared from our surroundings to detect the contamination of cosmic rays from standard sources the annihilation products of dark matter would produce.

The second subject tackled in this work is the study of the imprints the Inert Doublet Modem (IDM) could leave in (charged) cosmic rays, namely positrons, antprotons and antideuterons. This model, first proposed to allow the Bout-Englert-Higgs particle to evade the Electroweak Precision Test (EWPT) measurements, introduces an additional scalar doublet which is inert in the sense that it does not couple directly to fermions. This latter property brings an additional virtue to this additional doublet :since it interacts weakly with particles, it can play the role of dark matter. This study will be done in the light of the data recently released by the PAMELA, ATIC and Fermi-GLAST collaborations, which reported e^± excesses in two different energy ranges.
Doctorat en Sciences
info:eu-repo/semantics/nonPublished

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Leitner, Olivier Michel André. "Direct CP violation in B decays including \rho - \omega mixing and covariant light-front dynamics". Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2003. http://tel.archives-ouvertes.fr/tel-00003690.

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Libros sobre el tema "Matter-antimatter Asymmetry"

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Vigdor, Steven E. Thank Heaven for Little Flaws. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198814825.003.0001.

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Chapter 1 introduces central themes of the book by dealing with the importance of symmetry principles in physics and of small symmetry violations (or “flaws”) in establishing conditions for life. It provides a visual analog of the combined symmetries of parity (P) and charge conjugation (C) via a drawing by M.C. Escher. Escher’s signature represents a small imperfection in the drawing’s otherwise nearly perfect symmetry, inspiring the book’s title. This chapter argues that a well-tuned violation of the combined CP symmetry (i.e., a CP violation) is necessary to establish a preference for matter over antimatter (i.e., matter–antimatter asymmetry), while still allowing for a long-lived universe that resists gravitational collapse. The chapter establishes the book’s focus on the intricate tapestry of inventive experiments physicists are pursuing to expose and quantify the extent of these tiny flaws.
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Vigdor, Steven E. Signatures of the Artist. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198814825.001.0001.

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This book provides a nonmathematical survey of the past half-century of research in particle physics, nuclear physics, and cosmology bearing on the physical conditions that allow our universe to support the development of structure and the origins of life. These conditions rely on a surprising number of tiny imperfections—deviations from perfect symmetry (i.e., symmetry violations), homogeneity, or predictability—that seem mysteriously fine-tuned. The emphasis here is on the intricate tapestry of elegant experiments that have revealed and quantified these imperfections, as well as on theoretical efforts to understand how the imperfections arose in the infant universe. Among the topics covered are: the dominance of matter over antimatter (i.e., matter–antimatter asymmetry); the existence and intermixing of three generations of quarks and leptons; the stability of hydrogen and synthesis of other elements essential for life; the longevity and energy budget of the universe; the remaining mysteries surrounding dark matter, dark energy, and the postulated inflationary expansion of space in the infant universe; the fundamental role of randomness in quantum mechanics, in generating the first biomolecules and in biological evolution; the apparent perching of the vacuum state in our universe on the edge between stability and meta-stability; and philosophical questions, including the possibility of a multiverse, surrounding the interpretation of a universe that exhibits such fine-tuning. On all of these issues, the book clarifies what we know and how we know it, as distinct from what we speculate and how we might test it.
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Capítulos de libros sobre el tema "Matter-antimatter Asymmetry"

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Gato-Rivera, Beatriz. "Matter–Antimatter Asymmetry". En Antimatter, 193–229. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67791-6_7.

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Xing, Zhi-Zhong y Shun Zhou. "Cosmological Matter-antimatter Asymmetry". En Neutrinos in Particle Physics, Astronomy and Cosmology, 375–419. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-17560-2_11.

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Schwarzer, Norbert. "Matter–Antimatter Asymmetry". En The Theory of Everything, 67–68. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.1201/b22349-5.

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Schwarzer, Norbert. "Matter–Antimatter Asymmetry". En The Theory of Everything, 67–68. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.4324/9781315099750-5.

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"The Matter–Antimatter Asymmetry". En The Ideas of Particle Physics, 243–45. Cambridge University Press, 2020. http://dx.doi.org/10.1017/9781108616270.063.

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"The Matter-Antimatter Asymmetry Problem". En Understanding Gravity, 115–22. WORLD SCIENTIFIC, 2021. http://dx.doi.org/10.1142/9789811214929_0009.

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"Is the Universal Matter-Antimatter Asymmetry Fine-Tuned?" En Fine-Tuning in the Physical Universe, 174–202. Cambridge University Press, 2020. http://dx.doi.org/10.1017/9781108614023.005.

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L., F. "Matter-Antimatter Asymmetry and States in the Universe". En Advances in Modern Cosmology. InTech, 2011. http://dx.doi.org/10.5772/24870.

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"WHY IS THERE SOMETHING OUT OF NOTHING? MATTER-ANTIMATTER ASYMMETRY". En God or Science?, 35–48. WORLD SCIENTIFIC, 2022. http://dx.doi.org/10.1142/9789811258732_0003.

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Albert Robson, Brian. "The Generation Model of Particle Physics". En Redefining Standard Model Particle Physics [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.111584.

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The main purpose of this chapter is to present the Generation Model (GM) as an alternative to the Standard Model (SM) of particle physics, which is considered to be incomplete. It will be reported how the GM provides an understanding of three generations of leptons and quarks in the SM, a unified origin of mass, the cause and quantum nature of gravity, the matter-antimatter asymmetry problem, mixed quark states in hadrons, and the conservation of CP and the cause of parity violation in weak nuclear interactions.
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Actas de conferencias sobre el tema "Matter-antimatter Asymmetry"

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Robson, B. A. "The Matter-antimatter Asymmetry Problem". En Conference on Cosmology, Gravitational Waves and Particles. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813231801_0014.

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Alfaro, Jorge, Pablo González, Alejandro Ayala, Guillermo Contreras, Ildefonso Leon y Pedro Podesta. "Lorentz Violation and Matter-Antimatter asymmetry". En XII MEXICAN WORKSHOP ON PARTICLES AND FIELDS. AIP, 2011. http://dx.doi.org/10.1063/1.3622720.

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Dudarewicz, A. y A. W. Wolfendale. "Gamma rays and matter-antimatter asymmetry". En The second Compton symposium. AIP, 1994. http://dx.doi.org/10.1063/1.45663.

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Keus, Venus. "Dark origins of matter-antimatter asymmetry". En Corfu Summer Institute 2019 "School and Workshops on Elementary Particle Physics and Gravity". Trieste, Italy: Sissa Medialab, 2020. http://dx.doi.org/10.22323/1.376.0059.

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LAMBIASE, GAETANO y PARAMPREET SINGH. "MATTER-ANTIMATTER ASYMMETRY GENERATED BY LOOP QUANTUM GRAVITY". En Proceedings of the MG10 Meeting held at Brazilian Center for Research in Physics (CBPF). World Scientific Publishing Company, 2006. http://dx.doi.org/10.1142/9789812704030_0277.

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Yin, Wen. "Neutrino Oscillation and Matter-antimatter Asymmetry of Universe". En Proceedings of the 3rd J-PARC Symposium (J-PARC2019). Journal of the Physical Society of Japan, 2021. http://dx.doi.org/10.7566/jpscp.33.011140.

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Mebarki, N. y Swee-Ping Chia. "Dark Energy, Induced Cosmological Constant and Matter-Antimatter Asymmetry from Non Commutative Geometry". En FRONTIERS IN PHYSICS: 3rd International Meeting. AIP, 2009. http://dx.doi.org/10.1063/1.3192276.

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Zhang, Jue y Shun Zhou. "Neutrinos and Cosmological Matter–antimatter Asymmetry: A Minimal Seesaw with Frampton–Glashow–Yanagida Ansatz". En Conference on Cosmology, Gravitational Waves and Particles. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813231801_0015.

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Informes sobre el tema "Matter-antimatter Asymmetry"

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Fuyuto, Kaori. Mystery of the Universe : matter-antimatter asymmetry. Office of Scientific and Technical Information (OSTI), febrero de 2020. http://dx.doi.org/10.2172/1599020.

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Pak, Kai. Asymmetry of Matter/Antimatter and Possibility of CPT Violations. Portland State University Library, enero de 2014. http://dx.doi.org/10.15760/honors.81.

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Rahatlou, S. Observation of Matter-Antimatter Asymmetry in the Neutral B Meson System. Office of Scientific and Technical Information (OSTI), diciembre de 2003. http://dx.doi.org/10.2172/826654.

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