Neutralino dark matter detection in split supersymmetry scenarios
作者： A. Masiero , S. Profumo , P. Ullio
DOI: 10.1016/J.NUCLPHYSB.2005.01.028
关键词:
摘要: We study the phenomenology of neutralino dark matter within generic supersymmetric scenarios where gaugino and higgsino masses are much lighter than scalar soft breaking (split supersymmetry). consider a low-energy model-independent approach show that guidelines in definition this general framework come from cosmology, which forces lightest to have mass smaller 2.2 TeV. The testability is addressed by discussing all viable detection techniques. Current data on cosmic rays antimatter, gamma-rays abundance primordial 6Li already set significant constraints parameter space. Complementarity among future direct experiments, indirect searches for antimatter with neutrino telescopes, tests theory at accelerators, such as LHC NLC, highlighted. In particular, we detail regimes wino–higgsino mixing bino–wino transition, been most often neglected past. emphasize our analysis may apply more models exchanges do not provide dominant contribution annihilation rates.
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