The Decomposition of Neutron-Antineutron Oscillation Operators
Shao-Long Chen, Yu-Qi Xiao
TL;DR
This paper systematically decomposes dimension nine neutron-antineutron oscillation operators at tree and one-loop levels, providing comprehensive lists and an example involving neutrino mass generation via the scotogenic model.
Contribution
It offers a complete decomposition framework for neutron-antineutron oscillation operators and demonstrates a one-loop example with neutrino mass generation and proton decay evasion.
Findings
Complete list of operator decompositions provided
Neutron-antineutron oscillation can occur at one-loop level
Neutrino mass generated via scotogenic model
Abstract
We study the systematic decomposition of the dimension nine neutron-antineutron oscillation operators at tree and one-loop levels. We discuss the topologies' generation and the assignment of the chiral quarks. The completed lists of the decompositions are provided. We furthermore show an example that the neutron-antineutron oscillation occurs at one-loop level, with the tiny neutrino mass being generated via the scotogenic model and proton decay being evaded.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Nuclear physics research studies · Nuclear Physics and Applications