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Performance of the prototype of the electromagnetic calorimeter for PANDA

Kavatsyuk, M. and Bremer, D. and Dormenev, V. and Drexler, P. and Eissner, T. and Erni, W. and Guliyev, E. and Hennino, T. and Krusche, B. and Lewandowski, B. and Lohner, H. and Moritz, M. and Novotny, R. W. and Peters, K. and Pouthas, J. and Rosier, P. and Steinacher, M. and Tambave, G. and Wilms, A.. (2011) Performance of the prototype of the electromagnetic calorimeter for PANDA. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 648 (1). pp. 77-91.

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Official URL: http://edoc.unibas.ch/47287/

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Abstract

The PANDA collaboration at FAIR, Germany, will employ antiproton annihilations to investigate yet undiscovered charm-meson states and glueballs. The aim is to study QCD phenomena in the non-perturbative regime and to unravel the origin of hadronic masses. A multi-purpose detector for tracking, calorimetry and particle identification is presently being developed to run at high luminosities providing up to 2 x 10(7) interactions/s. One of the crucial components of the PANDA spectrometer is the Electromagnetic Calorimeter, composed of cooled PbWO(4) crystals. This paper describes construction and performance of a fully functioning prototype of this calorimeter. The performance was determined from measurements exploiting cosmic muons and high-energy tagged photons from the MAMI-C electron accelerator. The response measurements were carried out using sampling ADCs and, for comparison, charge-integrating ADCs. The achieved results validate the usage of sampling ADCs with a moderate sampling frequency, provide the energy resolution as foreseen in the Technical Design Report of the full calorimeter, and secure event correlation by achieving a good timing resolution through digital analysis of the sampled signals.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Hadronenphysik (Krusche)
UniBasel Contributors:Krusche, Bernd and Steinacher, Michael StM
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Elsevier
ISSN:0168-9002
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:03 Jul 2021 03:10
Deposited On:30 Jan 2017 08:16

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