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Author  |
Gargalionis, J.; Herrero-Garcia, J.; Schmidt, M.A. |
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Title |
Model-independent estimates for loop-induced baryon-number-violating nucleon decays |
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Journal Article |
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Year |
2024 |
Publication |
Journal of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
06 |
Issue |
6 |
Pages |
182 - 52pp |
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Keywords |
Baryon/Lepton Number Violation; SMEFT |
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Abstract |
Baryon number is an accidental symmetry of the Standard Model (SM) Lagrangian that so far has been measured to be exactly preserved, although it is expected to be violated at higher energies. In this work we compute order-of-magnitude estimates for the matching contributions of generic ultraviolet models to effective operators that generate nucleon decay processes. This is done in a systematic and automated way using operators constructed from SM fields up to dimension nine and working in a framework that has proved useful in the study of lepton-number violation. For each of the operators we derive estimates for the rates of different nucleon-decay channels. These allow us to establish model-independent lower bounds on the underlying new-physics scale and identify potential correlations between the various decay modes. The results are most relevant for families of models that generate the considered operator. This analysis is especially timely given the expected future sensitivities in numerous experiments such as Hyper-K, DUNE, JUNO and THEIA. |
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Address |
[Gargalionis, John; Herrero-Garcia, Juan] Univ Valencia, Dept Fis Teor, Burjassot 46100, Spain, Email: john.gargalionis@ific.uv.es; |
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Publisher |
Springer |
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Language |
English |
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Original Title |
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Series Volume |
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ISSN |
1029-8479 |
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Notes |
WOS:001257098800002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6166 |
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