Neutron oscillations and the parity doubling theorem

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http://hdl.handle.net/10138/340753

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Fujikawa , K & Tureanu , A 2021 , ' Neutron oscillations and the parity doubling theorem ' , Symmetry , vol. 13 , no. 11 , 2202 . https://doi.org/10.3390/sym13112202

Title: Neutron oscillations and the parity doubling theorem
Author: Fujikawa, Kazuo; Tureanu, Anca
Contributor organization: Department of Physics
Date: 2021-11
Language: eng
Number of pages: 12
Belongs to series: Symmetry
ISSN: 2073-8994
DOI: https://doi.org/10.3390/sym13112202
URI: http://hdl.handle.net/10138/340753
Abstract: We review several aspects of parity and CP violation in the framework of neutron-antineutron oscillations. We focus on the parity doubling theorem, which provides a criterion for neutron oscillation in the general theory with ∆B = 2 baryon number-violating interactions. We prove by explicit calculations that the violation of the conventional parity symmetry with P2 = 1 is the necessary condition for neutron oscillations to happen. While the CP violation is not manifest in the oscillation, it is nevertheless intrinsic to the system, and it is transferred, by the mixing matrix, to the neutron interactions and potentially observable as a contribution to the electric dipole moment.
Subject: CP violation
Neutron-antineutron oscillations
Parity of majorana fermions
114 Physical sciences
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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