Göttingen 2012 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 78: Trigger

T 78.6: Vortrag

Freitag, 2. März 2012, 09:45–10:00, VG 0.111

COMPASS calorimetric trigger in 2012 run : motivation and implementation — •Stefan Huber, Jan Friedrich, Bernhard Ketzter, Igor Konorov, Markus Krämer, Dmytro Levit, Alexander Mann, and Thiemo Nagel — Technische Universität München

For the COMPASS experiment at CERN a dedicated run for studies on chiral perturbation theory is planned for 2012. By impinging pions to a Nickel target, at very low momentum transfer, final states containing an outgoing photon or neutral pions are produced.

In order to select these events a new calorimetric trigger, reusing the already existing readout electronics, is implemented. A backplane module as well as a central trigger module is developed on which the hits form the individual cells are collected and further processing is done. The implementation as well as the first test results will be presented.

This project is supported by the BMBF, the Maier-Leibnitz-Laboratorium der Universität München und der Technischen Universität München as well as the Exzellenzcluster "Origin and Structure of the Universe".