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Dresden 2013 – scientific programme

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T: Fachverband Teilchenphysik

T 17: Beyond the Standard Model (Theorie) 4

T 17.2: Talk

Wednesday, March 6, 2013, 17:00–17:15, WIL-A124

Combining squark production and decay at NLO QCDWolfgang Hollik, •Jonas Lindert, and Davide Pagani — Max-Planck-Institut für Physik, München, Germany

In this talk I discuss new precision calculations for combined squark production and decay in next-to-leading order QCD at the LHC. On the one hand, an analysis of the signature 2j+T(+X) via squark–squark production and direct decays into the lightest neutralino is presented. Resulting differential distributions are compared with leading-order approximations rescaled by a flat K-factor and a possible impact on cut-and-count searches for supersymmetry at the LHC is examined. On the other hand, the signature 2j+2l+T(+X) from squark–squark production and decay into a lightest and a second lightest neutralino, with a subsequent EW decay chain via an on-shell slepton, is investigated. The impact of NLO corrections on resulting invariant mass distributions is highlighted. Such distributions can be important for future determination of SUSY parameters.

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