Performance of the combined zero degree calorimeter for CMS

Abstract

The combined zero degree calorimeter (ZDC) is a combination of sampling quartz/tungsten electromagnetic and hadronic calorimeters. Two identical combined calorimeters are located in the LHC tunnel at CERN at the straight section ~140 m on each side of the CMS interaction vertex and between the two beam pipes. They will detect very forward photons and neutrons. ZDC information can be used for a variety of physics measurements as well as improving the collision centrality determination in heavy-ion collisions. Results are presented for ZDC performance studies with the CERN SPS H2 test beam.

8 pages, 14 figures, Presented at XIII International Conference on Calorimetry in High Energy Physics, May 26-30, 2008, Pavia, Italy

References in corpus (1)

• Measuring Photons and Neutrons at Zero Degrees in CMS

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