Baryon number violation via Majorana neutrinos in the early Universe, at the LHC, and deep underground
Journal Article
·
· Physical Review. D, Particles, Fields, Gravitation and Cosmology
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- California Inst. of Technology (CalTech), Pasadena, CA (United States). Walter Burke Inst. for Theoretical Physics
Here, we propose and investigate a novel, minimal, and experimentally testable framework for baryogenesis, dubbed dexiogenesis, using baryon number violating effective interactions of right-handed Majorana neutrinos responsible for the seesaw mechanism. The distinct LHC signature of our framework is same-sign top quark final states, possibly originating from displaced vertices. The region of parameters relevant for LHC phenomenology can also yield concomitant signals in nucleon decay experiments. Lastly, we provide a simple ultraviolet origin for our effective operators, by adding a color-triplet scalar, which could ultimately arise from a grand unified theory.
- Research Organization:
- California Institute of Technology (CalTech), Pasadena, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP); Betty Moore Foundation
- Grant/Contract Number:
- SC0011632; SC0012704; FG02-92ER40701; SC0010255; 776
- OSTI ID:
- 1596473
- Alternate ID(s):
- OSTI ID: 1195695
- Journal Information:
- Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 92, Issue 1; ISSN 1550-7998
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 15 works
Citation information provided by
Web of Science
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