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Neutron-Anti-Neutron Oscillation: Theory and Phenomenology

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arxiv 0902.0834 v1 pith:57KFXT6O submitted 2009-02-05 hep-ph

classification hep-ph
keywords oscillationphysicsneutron-anti-neutronbeyonddiscoverymodelneutrinostandard
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The discovery of neutrino masses has provided strong hints in favor of the possibility that B-L symmetry is an intimate feature of physics beyond the standard model. I discuss how important information about this symmetry as well as other scenarios for TeV scale new physics can be obtained from the baryon number violating process, neutron-anti-neutron oscillation. This article presents an overview of different aspects of neutron-anti-neutron oscillation and is divided into the following parts : (i) the phenomenon; (ii) the physics, (iii) plausible models and (iv) applications to cosmology. In particular, it is argued how the discovery of $n-\bar{n}$ oscillation can significantly affect our thinking about simple grand unified theory paradigms for physics beyond the standard model, elucidate the nature of forces behind neutrino mass and provide a new microphysical view of the origin of matter in the universe.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Dark-matter induced neutron-antineutron oscillations

    hep-ph 2024-12 conditional novelty 7.0 of 10

    True QCD axion dark matter cannot induce observable neutron-antineutron oscillations, because its Goldstone nature forces competing axionless baryon-number-violating effects that are already ruled out.

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    hep-ph 2025-11 conditional novelty 5.0 of 10

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  3. Baryogenesis from a Majorana Fermion Coupled to Quarks

    hep-ph 2024-11 conditional novelty 5.0 of 10

    For a Majorana fermion coupled to quarks via a dimension-six vector-vector operator, the observed baryon asymmetry can be reproduced across a wide mass range, with scattering processes dominating and with testable neu...

  4. Fundamental Nuclear and Particle Physics At Neutron Sources

    nucl-ex 2025-06 unverdicted novelty 2.0 of 10

    A community whitepaper makes the case that ESS and neutron sources offer a competitive, complementary route to search for new physics, with proposed experiments in neutron decay, EDM, baryon number violation, neutrino...

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