Freiburg 2008 – scientific programme

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T: Fachverband Teilchenphysik

T 64: DAQ und Trigger II

T 64.7: Talk

Thursday, March 6, 2008, 18:20–18:35, KGI-HS 1108

Triggering on forward physics with CMS at the LHC — •Severine Ovyn¹, Xavier Rouby¹, Monika Grothe², Vincent Lemaitre¹, and Krzysztof Piotrzkowski¹ — ¹Universite Catholique de Louvain (UCL), Belgium — ²University of Wisconsin, Madison, USA

Forward physics with CMS at the LHC covers a wide range of physics subjects, including very low-x QCD, underlying event and multiple interactions characteristics, photon-mediated processes, shower development at the energy scale of primary cosmic ray interactions with the atmosphere, diffraction in the presence of a hard scale and even MSSM Higgs discovery in central exclusive production. A common feature of forward physics processes is their relatively low values of transverse energy ET and transverse momenta PT. In order to retain forward physics processes in the CMS trigger, which generally requires high ET or high PT objects, special trigger conditions are needed. We report on the development of forward physics triggers for CMS.