A supersymmetric extension of the standard model with bilinear R-parity violation |
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Authors: | Chao-hsi Chang Tai-fu Feng |
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Institution: | (1) CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, P.R. China , CN;(2) Institute of Theoretical Physics, Academia Sinica, P.O. Box 2735, Beijing 100080, P.R. China , CN |
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Abstract: | The minimum supersymmetric standard model with bilinear R-parity violation is studied systematically. As we consider low-energy supersymmetry, we examine the structure of the bilinear
R-parity violating model carefully. We analyze the mixing of, e.g., Higgs bosons with sleptons, neutralinos with neutrinos
and charginos with charged leptons in the model. Possible and some important physics results, e.g. that the lightest Higgs
may be heavier than the weak Z-boson at tree level, are obtained. The Feynman rules for the model are derived in the 't Hooft–Feynman gauge, which is convenient
if perturbative calculations are needed beyond the tree level.
Received: 26 April 1999 / Revised version: 28 June 1999 / Published online: 16 November 1999 |
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