Scalar Top Production at ep Collider HERA
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概要
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In the framework of the minimal supersymmetric standard model (MSSM) and the R-parity breaking model (RBM) we investigate production processes of the scalar top (stop) at HERA energies. These models are characterized possibly by lighter stop mass than the top quark and the other squarks. It is shown that in the MSSM the stop pair production via boson-gluon fusion gives viable cross section and the most serious background ep → ecc^^-X could be suppressed by appropriate kinematical cuts. We also show that in the RBM the stop is singly produced in the neutral current processes and we have a clear signal as a sharp peak in the x distribution.
- 1992-07-20
著者
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Kon T
Seikei Univ. Tokyo Jpn
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NAKAMURA K.
Department of Applied Chemistry, The University of Tokyo
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Kobayashi T.
Department Of Obstetrics And Gynecology Hamamatsu University Of Medicine
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Kon T.
Faculty Of Engineering Seikei University
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Kobayashi T.
Department Of Internal Medicine Tokyo University Branch Hospital
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