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Scalar representations and minimal flavor violation

Arnold, Jonathan M. and Pospelov, Maxim and Trott, Michael and Wise, Mark B. (2010) Scalar representations and minimal flavor violation. Journal of High Energy Physics, 2010 (1). Art. No. 073. ISSN 1126-6708. http://resolver.caltech.edu/CaltechAUTHORS:20100216-112909655

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Abstract

We discuss the representations that new scalar degrees of freedom (beyond those in the minimal standard model) can have if they couple to quarks in a way that is consistent with minimal flavor violation. If the new scalars are singlets under the flavor group then they must be color singlets or color octets. In this paper we discuss the allowed representations and renormalizable couplings when the new scalars also transform under the flavor group. We find that color 3 and 6 representations are also allowed. We focus on the cases where the new scalars can have renormalizable Yukawa couplings to the quarks without factors of the quark Yukawa matrices. The renormalizable couplings in the models we introduce automatically conserve baryon number.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1007/JHEP01(2010)073 DOIUNSPECIFIED
http://www.springerlink.com/content/tngt60487m6t2457/PublisherUNSPECIFIED
http://arxiv.org/abs/0911.2225arXivUNSPECIFIED
Additional Information:© SISSA 2010. Received: 8 December 2009. Accepted: 26 December 2009. Published online: 19 January 2010. We thank Pavel Fileviez Perez for helpful comments on baryon number violation in the models we introduce. The work of M.B.W. was supported in part by the U.S. Department of Energy contract No. DE-FG02-92ER40171. M.B.W. is grateful for the hospitality of the Perimeter Institute where his participation in this work began. The work of MP was supported in part by NSERC, Canada. Research at the Perimeter Institute is also supported in part by the Government of Canada through NSERC and by the Province of Ontario through MEDT.
Group:Caltech Theory
Funders:
Funding AgencyGrant Number
U.S. Department of Energy DE-FG02-92ER40171
Natural Sciences and Engineering Research Council of CanadaUNSPECIFIED
Province of Ontario through Ministry of Economic Development and Trade (MEDT) UNSPECIFIED
Subject Keywords:Beyond Standard Model; Phenomenological Models; Global Symmetries
Record Number:CaltechAUTHORS:20100216-112909655
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20100216-112909655
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:17486
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:17 Feb 2010 00:16
Last Modified:04 Mar 2013 23:45

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