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Probing supersymmetry with parity-violating electron scattering

Kurylov, A. and Ramsey-Musolf, M. J. and Su, Shufang (2003) Probing supersymmetry with parity-violating electron scattering. Physical Review D, 68 (3). Art. No. 035008. ISSN 2470-0010. doi:10.1103/PhysRevD.68.035008.

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We compute the one-loop supersymmetric (SUSY) contributions to the weak charges of the electron (QWe), proton (QWp), and cesium nucleus (QWCs) in the minimal supersymmetric standard model (MSSM). Such contributions can generate several percent corrections to the corresponding standard model values. The magnitudes of the SUSY loop corrections to QWe and QWp are correlated over nearly all of the MSSM parameter space and result in an increase in the magnitudes of these weak charges. In contrast, the effects on QWCs are considerably smaller and are equally likely to increase or decrease its magnitude. Allowing for R-parity violation can lead to opposite sign relative shifts in QWe and QWp, normalized to the corresponding standard model values. A comparison of QWp and QWe measurements could help distinguish between different SUSY scenarios.

Item Type:Article
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Ramsey-Musolf, M. J.0000-0001-8110-2479
Additional Information:© 2003 The American Physical Society. Received 13 March 2003; published 15 August 2003. We thank R. Carlini, J. Erler, R.D. McKeown, and M. Wise for useful discussions. This work is supported in part under U.S. Department of Energy contract No. DE-FG03-02ER41215 (A.K. and M.J.R.-M.), No. DE-FG03-00ER41132 (M.J.R.-M.), and No. DE-FG03-92-ER-40701 (S.S.). A.K. and M.J.R.-M. are supported by the National Science Foundation under grant No. PHY00-71856.
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG03-02ER41215
Department of Energy (DOE)DE-FG03-00ER41132
Department of Energy (DOE)DE-FG03-92-ER-40701
Subject Keywords:supersymmetry; P invariance; standard model; spontaneous symmetry breaking; discrete symmetries
Issue or Number:3
Record Number:CaltechAUTHORS:KURprd03
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5081
Deposited By: Tony Diaz
Deposited On:28 Sep 2006
Last Modified:08 Nov 2021 20:22

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