Detection of two-photon exclusive production of supersymmetric pairs at the LHC

Abstract

The detection of pairs of sleptons, charginos and charged higgs bosons produced via photon-photon fusion at the LHC is studied, assuming a couple of benchmark points of the MSSM model. Due to low cross sections, it requires large integrated luminosity, but thanks to the striking signature of these exclusive processes the backgrounds are low, and are well known. Very forward proton detectors can be used to measure the photon energies, allowing for direct determination of masses of the lightest SUSY particle, of selectrons and smuons with a few GeV resolution. Finally, the detection and mass measurement of quasi-stable particles predicted by the so-called sweet spot supersymmetry is discussed.

arXiv comment9 pages, 5 tables, 8 figures. Talk given at the Workshop on "High-energy photon collisions at the LHC", April 22-25, 2008, CERN, Switzerland. To appear in the proceedings

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