Showing 1 - 20 results of 28 for search '"antimatter"', query time: 0.04s Refine Results
  1. 1

    Antimatter in the Direct-Action Theory of Fields by Ruth E. Kastner

    Published 2016-01-01
    “… One of Feynman's greatest contributions to physics was the interpretation of negative energies as antimatter in quantum field theory. A key component of this interpretation is the Feynman propagator, which seeks to describe the behavior of antimatter at the virtual particle level. …”
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  2. 2

    The Effect of Gravity on Antimatter: The ALPHA Experiment by Germano Bonomi

    Published 2025-02-01
    Subjects: “…antimatter…”
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    Fermi Degenerate Antineutrino Star Model of Dark Energy by Tom F. Neiser

    Published 2020-01-01
    “…To allow the first neutrino stars and antineutrino stars to form naturally from an initial quantum vacuum state, it helps to assume that antimatter has negative gravitational mass. This assumption may also be helpful to identify dark energy. …”
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  11. 11

    The generation of baryon asymmetry and hypermagnetic field by the chiral vortical effect in the presence of sphalerons by S. Abbaslu, A. Rezaei, S. Rostam Zadeh, S.S. Gousheh

    Published 2025-06-01
    “…We show how the temperature-dependent chiral vortical effect can generate hypermagnetic fields and matter-antimatter asymmetries, in the symmetric phase of the early Universe, in the temperature range 100GeV≤T≤10TeV, even in the presence of the weak sphaleron processes. …”
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  12. 12

    Positron Confinement Characteristics of Dipole Field Configuration by Zhao WANG, Teng LIU, Zhiming YANG, Junjie DU, Guoshu ZHANG

    Published 2025-07-01
    “…This method is applicable to electron-positron plasma confinement studies, which is of enlightening significance for improving the confinement time of antimatter.…”
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  13. 13

    Minimal effective theory for leptogenesis, dark matter, and neutrino masses by Tomáš Blažek, Peter Maták, Ján Ramaj, Martina Sabová

    Published 2025-07-01
    “…Abstract We study the phenomenology of choosing a minimal set of effective operators simultaneously generating the dark matter relic density and matter–antimatter asymmetry of the universe. Neutrino masses are obtained in a specific case of baryogenesis via leptogenesis. …”
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  14. 14

    Effective Hamiltonian of Electroweak Penguin for Hadronic b Quark Decays by H. Mehrban

    Published 2009-06-01
    “…We investigate the decay rates of matter-antimatter of quark. We describe the effective Hamiltonian theory and apply this theory to the calculation of current-current ( ), QCD penguin ( ), magnetic dipole ( ) and electroweak penguin ( ) decay rates. …”
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  15. 15

    Constraining B-mesogenesis models with inclusive and exclusive decays by Alexander Lenz, Ali Mohamed, Zachary Wüthrich

    Published 2025-08-01
    “…Abstract The B-Mesogenesis model explains the matter-antimatter asymmetry and leads to the right amount of dark matter in the Universe. …”
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  16. 16

    Cogenesis of Majoron dark matter and baryon asymmetry from a high scale inverse seesaw mechanism by Ying-Quan Peng, Xiu-Fei Li

    Published 2025-07-01
    “…Here we investigate the Majoron dark matter arising from the $$\mathrm{U(1)_L}$$ U ( 1 ) L symmetry spontaneous breaking and matter–antimatter asymmetry in the framework of a high scale inverse seesaw mechanism. …”
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  17. 17

    A model for inflaton induced baryogenesis and its phenomenological consequences by Haipeng An, Qi Chen, Yuan Yin

    Published 2025-06-01
    “…We show that the mechanism of baryon number production is associated with cosmological collider signals and gravitational wave (GW) signals, providing a framework to investigate the origins of the universe’s matter-antimatter asymmetry.…”
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  18. 18

    The HIBEAM Experiment by Alexander Burgman

    Published 2025-01-01
    “…The violation of baryon number is an essential ingredient for baryogenesis—the preferential creation of matter over antimatter—needed to account for the observed baryon asymmetry in the universe. …”
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    A common framework for fermion mass hierarchy, leptogenesis and dark matter by Carolina Arbeláez, A. E. Cárcamo Hernández, Claudio Dib, Patricio Escalona Contreras, Vishnudath K. N., Alfonso Zerwekh

    Published 2024-08-01
    “…Abstract In this work, we explore an extension of the Standard Model designed to elucidate the fermion mass hierarchy, account for the dark matter relic abundance, and explain the observed matter-antimatter asymmetry in the universe. Beyond the Standard Model particle content, our model introduces additional scalars and fermions. …”
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    The Badhwar‐O'Neill 2020 GCR Model by T. C. Slaba, K. Whitman

    Published 2020-06-01
    “…Parameters in the new model are calibrated to available data, which include the new Alpha Magnetic Spectrometer (AMS‐02) and Payload for Antimatter Matter Exploration and Light‐nuclei Astrophysics (PAMELA) high‐precision measurements. …”
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