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arXiv 0910.2579hep-ph
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Susy Higgs介导的轻子味破坏中的γ-γ \to mu tau b bbar

Gamma gamma \to mu tau b bbar in Susy Higgs mediated lepton flavor violation

Mirco Cannoni, Orlando Panella

摘要:

在最小超对称标准模型中研究了过程γ-γ \to-μ-τ-bbar,在大tan_beta情形下,B物理和罕见LFV τ衰变对参数空间的直接和间接约束.在基于具有800 GeV的质心能量的e+e-线性对撞机的光子对撞机处,具有TESLA提议的参数(预期的积分γ-γ光度L=200-500逆fb),对于在30,60范围内的tan_beta,可以探测从300 GeV直到~ 600 GeV的重中性希格斯玻色子玻色子A,H的质量的LFV信号。

英文摘要:

The process gamma gamma \to mu tau b bbar is studied in the minimal supersymmetric standard model within a large tan_beta scenario imposing on the parameter space present direct and indirect constraints from B physics and rare LFV tau-decays. At a photon collider based on an e+e- linear collider with a center of mass energy of 800 GeV with the parameters of the TESLA proposal (expected integrated gamma-gamma luminosity L=200-500 inverse fb) the LFV signal can be probed for masses of the heavy neutral Higgs bosons A,H from 300 GeV up to the kinematical limit ~ 600 GeV for tan_beta in the range 30,60.

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