Beam Polarization and Spin Correlation Effects in Chargino Production and Decay

Details Beam Polarization and Spin Correlation Effects in Chargino Production and Decay Beam Polarization and Spin Correlation Effects in Chargino Production and Decay

2000-04-19

arxiv.org/abs/hep-ph/0004181v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 17 postscript figures, latex using epsfig

Scientific paper

We study chargino production e^+ e^- -> chi^+_1 chi^-_1 and the subsequent leptonic decay chi^-_1\to chi^0_1 e^- nu_e including the complete spin correlations between production and decay. We work out the advantages of polarizing the e^+ and e^- beams. We study in detail the polarized cross sections, the angular distribution and the forward--backward asymmetry of the decay electron. They can be used to determine the sneutrino mass m_{\tilde{\nu}_e}.

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