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Supersymmetric Electroweak Corrections to the Higgs Boson Decays into Chargino or Neutralino Pair | | Zhang Ren-You
; Ma Wen-Gan
; Wan Lang-Hui
; Jiang Yi
; | | Date: |
15 Dec 2001 | | Journal: | Phys.Rev. D65 (2002) 075018 | | Subject: | hep-ph | | Abstract: | We investigate the supersymmetric electroweak corrections to the decay widths of the CP-odd and the heavy CP-even Higgs bosons into chargino or neutralino pair in the framework of the Minimal Supersymmetric Standard Model. The corrections involve the contributions of the order $O(alpha_{ew} m_{t(b)}^3/m_W^3)$, $O(alpha_{ew} m_{t(b)}^2/m_W^2)$ and $O(alpha_{ew} m_{t(b)}/m_W)$. The detailed calculations of the electroweak corrections to the following decay processes: $A^0/H^0 o ilde{chi}^+_1 ilde{chi}^-_1$ and $A^0/H^0 o ilde{chi}^0_2 ilde{chi}^0_2$ are presented in this paper. We find that these relative corrections maybe rather large quantitatively, and can exceed 10% in some regions of parameter space. The corrections to the decay $A^0/H^0 o ilde{chi}^0_1 ilde{chi}^0_2$ can be obtained analogously, but our results show that they are very small and can be neglected. | | Source: | arXiv, hep-ph/0201132 | | Services: | Forum | Review | PDF | Favorites | |
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