Phenomenology of Charginos and Neutralinos in the Light Gaugino Scenario

Details Phenomenology of Charginos and Neutralinos in the Light Gaugino Scenario Phenomenology of Charginos and Neutralinos in the Light Gaugino Scenario

1996-08-21

arxiv.org/abs/hep-ph/9608387v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 1 fig.

Scientific paper

The light gaugino scenario predicts that the lighter chargino mass is less than m_W, gluino and lightest neutralino masses are <~ 1 GeV, and the dominant decay mode of charginos and non-LSP neutralinos is generically to three jets. The excess "4j" events observed by ALEPH in e+ e- annihilation at 133 GeV may be evidence that m(C_1) = 53 GeV. If so, m(N_2) = 110-121 GeV, m(N_2) = 38-63 GeV, m(N_3) = 75-68 GeV; m(sneu_e) is probably ~m(C_1). A detailed analysis of the multi-jet events is needed to exclude this possibility. Consequences for FNAL and higher energy LEP running are given.

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