A digital trigger for the electromagnetic calorimeter at the COMPASS experiment

Stefan Huber; Jan Friedrich; Bernhard Ketzer; Igor Konorov; Markus Krämer; Alexander Mann; Thiemo Nagel; Stephan Paul

doi:10.1109/TNS.2011.2152854

A digital trigger for the electromagnetic calorimeter at the COMPASS experiment

Stefan Huber, Jan Friedrich, Bernhard Ketzer, Igor Konorov, Markus Krämer, Alexander Mann, Thiemo Nagel, Stephan Paul

Chair of Physics I

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

At the COMPASS experiment at CERN's SPS many physics channels containing neutral particles are studied. These particles are identified by two electromagnetic calorimeters covering different regions of transverse momentum. For certain physics the main signature is described by these neutral particles requiring a calorimetric trigger system. The method described here is based on the existing front end electronics and uses digital pulse shape analysis techniques. With this approach a flexible trigger system was implemented. Because no new hardware had to be produced, the development costs were minimized. The implementation of the trigger as well as the performance, measured during the 2009 run will be discussed.

Original language	English
Article number	5783960
Pages (from-to)	1719-1722
Number of pages	4
Journal	IEEE Transactions on Nuclear Science
Volume	58
Issue number	4 PART 1
DOIs	https://doi.org/10.1109/TNS.2011.2152854
State	Published - Aug 2011

Keywords

Calorimeters
front-end electronics
instrumentation
trigger systems

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10.1109/TNS.2011.2152854

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AU - Friedrich, Jan

AU - Ketzer, Bernhard

AU - Konorov, Igor

AU - Krämer, Markus

AU - Mann, Alexander

AU - Nagel, Thiemo

AU - Paul, Stephan

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AB - At the COMPASS experiment at CERN's SPS many physics channels containing neutral particles are studied. These particles are identified by two electromagnetic calorimeters covering different regions of transverse momentum. For certain physics the main signature is described by these neutral particles requiring a calorimetric trigger system. The method described here is based on the existing front end electronics and uses digital pulse shape analysis techniques. With this approach a flexible trigger system was implemented. Because no new hardware had to be produced, the development costs were minimized. The implementation of the trigger as well as the performance, measured during the 2009 run will be discussed.

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A digital trigger for the electromagnetic calorimeter at the COMPASS experiment

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Keywords

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