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          Institute: MPI für Kernphysik     Collection: Theoretical Particle and Astro-Particle Physics     Display Documents

ID: 378401.1, MPI für Kernphysik / Theoretical Particle and Astro-Particle Physics
Neutrino factory optimization for nonstandard interactions
Authors:Kopp, Joachim; Ota, Toshihiko; Winter, Walter
Date of Publication (YYYY-MM-DD):2008-09-24
Title of Journal:Physical Review D
Journal Abbrev.:Phys Rev D
Issue / Number:5
Start Page:1
End Page:17
Sequence Number of Article:053007
Review Status:not specified
Audience:Experts Only
Abstract / Description:We study the optimization of a neutrino factory with respect to nonstandard neutral current neutrino interactions, and compare the results to those obtained without nonstandard interactions. We discuss the muon energy, baselines, and oscillation channels as degrees of freedom. Our conclusions are based on both analytical calculations and on a full numerical simulation of the neutrino factory setup proposed by the international design study (IDS-NF). We consider all possible nonstandard parameters, and include their complex phases. We identify the impact of the different parameters on the golden, silver, and disappearance channels. We come to the conclusion that, even in the presence of nonstandard interactions, the performance of the neutrino factory hardly profits from a silver channel detector, unless the muon
energy is significantly increased compared to the IDS-NF setup. Apart from the dispensable silver channel detector, we demonstrate that the IDS-NF setup is close to optimal even if nonstandard interactions are considered. We find that one very long baseline is a key component in the search for nonstandard interactions, in particular, for |\epsilon^m_{\mu\tau}| and |\epsilon^m_{\tau\tau}|.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Kernphysik/Group of M. Lindner
External Affiliations:Institut für Theoretische Physik und Astrophysik, Universität Würzburg, D-97074 Würzburg, Germany
Identifiers:URL:http://arxiv.org/abs/0804.2261 [arXiv version]
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