Abstract.
A Monte-Carlo analysis on production and decay of supersymmetric charginos at a future photon-collider is presented. A photon collider offers the possibility of a direct branching-ratio measurement. In this study, the process \( \gamma \gamma \to \tilde{\chi }^{ + }_{1} \tilde{\chi }^{ - }_{1} \to W^{ + } W^{ - } \tilde{\chi }^{0}_{1} \tilde{\chi }^{0}_{1} \to q\bar{q}q\bar{q}\tilde{\chi }^{0}_{1} \tilde{\chi }^{0}_{1} % \) has been considered for a specific mSUGRA scenario. Various backgrounds and a parameterised detector simulation have been included. Depending on the centre-of-mass energy, a statistical error for the directly measurable branching ratio BR(\({\tilde{\chi}_1^\pm}\rightarrow {\tilde{\chi}_1^0} W^\pm\)) of up to 3.5% can be reached.
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Received: 14 March 2005, Revised: 31 May 2005, Published online: 28 June 2005
G. Klämke: Now at: Institut für Theoretische Physik, Universität Karlsruhe, Wolfgang-Gaede-Str. 1, 76131 Karlsruhe, Germany
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Klämke, G., Mönig, K. Studies on chargino production and decay at a photon collider. Eur. Phys. J. C 42, 261–270 (2005). https://doi.org/10.1140/epjc/s2005-02310-2
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DOI: https://doi.org/10.1140/epjc/s2005-02310-2