• The impact of BeamCal performance at different international linear collider beam parameters and crossing angles on $\tilde{\tau}$ searches

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    • Keywords


      BeamCal; electron veto; two-photon background; accelerator beam parameters; crossing angle; stau analysis.

    • Abstract


      The ILC accelerator parameters and detector concepts are still under discussion in the world-wide community. As will be shown, the performance of the BeamCal, the calorimeter in the very forward area of the ILC detector, is very sensitive to the beam parameter and crossing angle choices. We propose here BeamCal designs for small (0 or 2 mrad) and large (20 mrad) crossing angles and report about the veto performance study done. As an illustration, the influence of several proposed beam parameter sets and crossing angles on the signal-to-background ratio in the stau search is estimated for a particular realization of the supersymmetric model.

    • Author Affiliations


      P Bambade1 V Drugakov2 W Lohmann3

      1. LAL, Université Paris-Sud 11, Bâtiment 200, 91898 Orsay Cedex, France
      2. NC PHEP, M. Bogdanovich 153, 220040 Minsk, Belarus
      3. DESY, Platanenallee 6, D-15738 Zeuthen, Germany
    • Dates

  • Pramana – Journal of Physics | News

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