Measuring the SUSY Mass Scale at the LHC

Details Measuring the SUSY Mass Scale at the LHC Measuring the SUSY Mass Scale at the LHC

2000-06-23

arxiv.org/abs/hep-ph/0006276v1

Phys.Lett. B498 (2001) 1-10

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages with 5 Encapsulated Postscript figures

Scientific paper

10.1016/S0370-2693(00)01363-0

An effective mass scale Meffsusy for supersymmetric particles is defined and techniques for its measurement at the LHC discussed. Monte Carlo results show that, for jets + ETmiss events, a variable constructed from the scalar sum of the transverse momenta of all reconstructed jets together with ETmiss provides in most cases the most accurate model independent measurement of Meffsusy (intrinsic precision ~ 2.1 % for mSUGRA models). The overall precision with which Meffsusy could be measured after given periods of LHC running and for given classes of SUSY models is calculated. The technique is extended to measurements of the total SUSY particle production cross section sigmasusy.

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