Detection of supersymmetric dark matter.

Details Detection of supersymmetric dark matter. Detection of supersymmetric dark matter.

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997cotph..28..347x&link_type=abstract

Commun. Theor. Phys., Vol. 28, No. 3, p. 347 - 354

Physics

Cosmic Rays: Detectors, Dark Matter: Detection

Scientific paper

A re-analysis of a heavy charged particle production event observed at the cloudy chamber of the Yunnan Cosmic Ray Station (YCRS) in 1972 indicates that the mysterious heavy particle may be identified as a supersymmetric (SUSY) particle produced by bombarding a neutral SUSY cosmic ray particle on a proton. Based on the assumption, following literature studies that the neutral SUSY particle which constitutes the main fraction of the cold dark matter is a scalar neutrino (sneutrino) or neutralino (photino), the authors evaluate the flux of such SUSY particles which gain sufficient energies via elastic scattering with charged cosmic particles on the way to an Earth detector and the capture rates in both the sneutrino and photino cases respectively. The errors appearing in the study are briefly discussed and this work may provide a basis of designing cosmic ray detectors to search for SUSY particles.

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