The loop effects on the chargino decays ˜χ±1→˜χ01ff′ in the MSSM
2014
Xu, Qingjun | Xu, Shusheng | Xiao, Zhenjun | Jin, Ligang
The lighter chargino three body decays χ ~ ± 1 →χ ~ 0 1 ff ′ via the W ± boson and the charged Higgs boson H ± were studied in the R-parity conserved Minimal Supersymmetric Standard Model (MSSM). We treat χ ~ ± 1 decays as production and decay of W ± and H ± : i.e., χ ~ ± 1 →χ ~ 0 1 W ± (H ± )→χ ~ 0 1 ff ′ . Both higgsino-like and wino-like χ ~ ± 1 decays were well investigated. These decays are calculated at 1-loop level and the loop corrections are found to be less than three percent. The signal of the charged Higgs H ± production from χ ~ ± 1 decays is discussed. It will offer important information about the chargino and neutralino sector, as well as the charged Higgs sector in the MSSM.
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