We employ the simplest possible models of scalar-fermion interactions that are consistent with the gauge symmetries of the Standard Model and permit no proton decay to analyze the connections possible among processes that break baryon number by two units.

For the remainder of the abstract, please download this article or visit: https://doi.org/10.1016/j.physletb.2019.01.054

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Published in Physics Letters B, v. 790, p. 421-426.

© 2019 The Authors. Published by Elsevier B.V.

This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/).

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Funded by SCOAP3.

We acknowledge partial support from the Department of Energy Office of Nuclear Physics under contract DE-FG02-96ER40989.

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