Polarization Effects for Selectron Production in e^+e^- Collisions : Particles and Fields

概要

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We investigate the single selectron production associated with photino (e^+e^-→e^+γ^^~e^^~_<R^-> and e^+e^-→e^+γ^^~e^^~_<L^->) in longitudinally polarized e^+e^- beams, taking into account the real production processes which occur as the intermediate states at certain energies. We calculate the polarized cross sections for the e^^~_<R^-> production and for the e^^~_<L^-> production, the angular distributions and the energy distributions of the outgoing position, and the angular distributions of e^^~_<R^-> and e^^~_<L^-> with polarized e^+e^- beams. It is shown that the information on the low-energy mass spectrum of supersymmetric particles may be obtained from the study of the polarized cross sections. The angular distributions with polarized e^+e^- beams are important to obtain the signature of the selectron production and the infomation of the low-energy mass spectrum.
理論物理学刊行会の論文
1988-04-25