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Effective Theory and Simple Completions for Neutrino Interactions

Wise, Mark B. and Zhang, Yue (2014) Effective Theory and Simple Completions for Neutrino Interactions. Physical Review D, 90 (5). Art. No. 053005. ISSN 2470-0010. doi:10.1103/PhysRevD.90.053005.

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We consider all the dimension 6 operators as well as some simple extensions of the standard model that give new contributions to neutrino interactions with matter. Such interactions are usually parametrized by ϵ_(αβ), where α and β are neutrino flavor indices taking the values e, μ and τ. In the simple models we consider the ϵ_(αβ)'s are much more constrained than in the operator-based model-independent approach. Typically the ϵ_(αβ)'s are restricted to be smaller in magnitude than around 10^(−3). In some of the leptoquark models, a specific pattern for the leptoquark Yukawa couplings allows the diagonal element ϵ_(ττ) to be as large as ∼0.1, or one of ϵ_(ee), ϵ_(μμ)∼0.01. We discuss the interplay between neutrino physics and leptoquark searches at the LHC.

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Additional Information:© 2014 American Physical Society. Received 2 May 2014; published 4 September 2014. We thank Michael Ramsey-Musolf, Ryan Patterson, Maurizio Pierini and Lisa Randall for useful discussions and correspondence. This work is supported by the Gordon and Betty Moore Foundation through Grant #776 to the Caltech Moore Center for Theoretical Cosmology and Physics, and by the DOE Grant DE-FG02-92ER40701.
Group:Caltech Theory, Moore Center for Theoretical Cosmology and Physics
Funding AgencyGrant Number
Gordon and Betty Moore Foundation776
Department of Energy (DOE)DE-FG02-92ER40701
Issue or Number:5
Record Number:CaltechAUTHORS:20140505-131013279
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Official Citation:Effective theory and simple completions for neutrino interactions Mark B. Wise and Yue Zhang Phys. Rev. D 90, 053005 (2014) – Published 4 September 2014
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45497
Deposited By: Ruth Sustaita
Deposited On:05 May 2014 20:40
Last Modified:10 Nov 2021 17:04

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