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Breaking local baryon and lepton number at the TeV scale

Pérez, Pavel Fileviez and Wise, Mark B. (2011) Breaking local baryon and lepton number at the TeV scale. Journal of High Energy Physics, 2011 (8). Art. No. 068. ISSN 1126-6708. https://resolver.caltech.edu/CaltechAUTHORS:20111018-094046518

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Abstract

Simple models are proposed where the baryon and lepton number are gauged and spontaneously broken near the weak scale. The models use a fourth generation that is vector-like with respect to the strong, weak and electromagnetic interactions to cancel anomalies. One does not need large Yukawa couplings to be consistent with the experimental limits on fourth generation quark masses and hence the models are free of coupling constants with Landau poles near the weak scale. We discuss the main features of simple non-supersymmetric and supersymmetric models. In these models the light neutrino masses are generated through the seesaw mechanism and proton decay is forbidden even though B and L are broken near the weak scale. For some values of the parameters in these models baryon and/or lepton number violation can be observed at the Large Hadron Collider.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1007/JHEP08(2011)068DOIUNSPECIFIED
http://www.springerlink.com/content/ku16835phl362t6k/PublisherUNSPECIFIED
Additional Information:© 2011 SISSA. Published for SISSA by Springer. Received: June 15, 2011. Revised: August 4, 2011. Accepted: August 5, 2011. Published: August 17, 2011. We would like to thank N. Arkani-Hamed for pointing out the possibility of using vector like fermions in these scenarios. P.F.P. would like to thank the Institute for Advanced Study in Princeton for their hospitality at the beginning of this project. The work of P.F.P. has been supported in part by the U.S. Department of Energy under grant No.DE-FG02-95ER40896, and by the Wisconsin Alumni Research Foundation. The work of M.B.W. was supported in part by the U.S. Department of Energy under contract No.DE-FG02-92ER40701.
Group:Caltech Theory
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG02-95ER40896
Wisconsin Alumni Research FoundationUNSPECIFIED
Department of Energy (DOE)DE-FG02-92ER40701
Subject Keywords:Beyond Standard Model, Supersymmetric Standard Model
Issue or Number:8
Record Number:CaltechAUTHORS:20111018-094046518
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20111018-094046518
Official Citation:Breaking local baryon and lepton number at the TeV scale Pavel Fileviez Pérez and Mark B. Wise
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27273
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:18 Oct 2011 16:58
Last Modified:03 Oct 2019 03:22

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