Göttingen 2012 – scientific programme
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T: Fachverband Teilchenphysik
T 15: Beyond the Standard Model (Theorie) 1
T 15.4: Talk
Monday, February 27, 2012, 17:30–17:45, VG 3.102
√ŝmin resurrected — •Tania Robens — IKTP, TU Dresden
We discuss the use of the variable √ŝmin , which has been proposed in order to measure the hard scale of a multi parton final state event using inclusive quantities only, on a SUSY data sample for a 14 TeV LHC. In its original version, where this variable was proposed on calorimeter level, the direct correlation to the hard scattering scale does not survive when soft physics is taken into account. We here show that when using reconstructed objects instead of calorimeter energy and momenta as input, we manage to actually recover this correlation within our sample. We furthermore discuss the effect of including W + jets and t tbar+jets background in our analysis and the use of √ŝmin for the suppression of SM induced background in new physics searches.