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Published February 10, 2017 | Published + Submitted
Journal Article Open

Right-handed neutrinos and T-violating, P-conserving interactions


We show that experimental probes of the P-conserving, T-violating triple correlation in polarized neutron or nuclear β -decay provide a unique probe of possible T-violation at the TeV scale in the presence of right-handed neutrinos. In contrast to other possible sources of semileptonic T-violation involving only left-handed neutrinos, those involving right-handed neutrinos are relatively unconstrained by present limits on the permanent electric dipole moments of the electron, neutral atoms, and the neutron. On the other hand, LHC results for pp→e+ missing transverse energy imply that an order of magnitude of improvement in D-coefficient sensitivity would be needed for discovery. Finally, we discuss the interplay with the scale of neutrino mass and naturalness considerations.

Additional Information

© 2016 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Received 27 September 2016. Received in revised form 24 November 2016. Accepted 29 November 2016. Available online 2 December 2016. Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics Editor: W. Haxton. The authors wish to thank Jordy de Vries and Barry Holstein for many useful discussions. This work was supported in part under U.S. Department of Energy contract number DE-SC0011095 (MJRM and CYS) and NSF grant number is PHY-1205896 (BEM).

Attached Files

Published - 1-s2.0-S0370269316307353-main.pdf

Submitted - 1605.09060.pdf


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