Performance and Molière radius measurements using a compact prototype of LumiCal in an electron test beam

A new design of a detector plane of sub-millimetre thickness for an electromagnetic sampling calorimeter is presented. It is intended to be used in the luminometers LumiCal and BeamCal in future linear e + e - collider experiments. The detector planes were produced utilising novel connectivity schem...

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Veröffentlicht in:	The European physical journal. C, Particles and fields Particles and fields, 2019-07, Vol.79 (7), p.1-15, Article 579
Hauptverfasser:	Abramowicz, H., Abusleme, A., Afanaciev, K., Benhammou, Y., Borysov, O., Borysova, M., Bozovic-Jelisavcic, I., Daniluk, W., Dannheim, D., Demichev, M., Elsener, K., Firlej, M., Firu, E., Fiutowski, T., Ghenescu, V., Gostkin, M., Hempel, M., Henschel, H., Idzik, M., Ignatenko, A., Ishikawa, A., Joffe, A., Kacarevic, G., Kananov, S., Karacheban, O., Klempt, W., Kotov, S., Kotula, J., Kruchonak, U., Kulis, Sz, Lange, W., Leonard, J., Lesiak, T., Levy, A., Levy, I., Linssen, L., Lohmann, W., Moron, J., Moszczynski, A., Neagu, A. T., Pawlik, B., Preda, T., Sailer, A., Schumm, B., Schuwalow, S., Sicking, E., Swientek, K., Turbiarz, B., Vukasinovic, N., Wojton, T., Yamamoto, H., Zawiejski, L., Zgura, I. S., Zhemchugov, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aircraft detection Astronomy Astrophysics and Cosmology CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Computer simulation Dependence Electron beams Electron energy Elementary Particles Hadrons Heavy Ions Measurement Science and Instrumentation Nuclear Energy Nuclear Physics Physics Physics and Astronomy Planes Prototypes Quantum Field Theories Quantum Field Theory Regular Article - Experimental Physics Sensors String Theory
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Zusammenfassung:	A new design of a detector plane of sub-millimetre thickness for an electromagnetic sampling calorimeter is presented. It is intended to be used in the luminometers LumiCal and BeamCal in future linear e + e - collider experiments. The detector planes were produced utilising novel connectivity scheme technologies. They were installed in a compact prototype of the calorimeter and tested at DESY with an electron beam of energy 1–5 GeV. The performance of a prototype of a compact LumiCal comprising eight detector planes was studied. The effective Molière radius at 5 GeV was determined to be (8.1 ± 0.1 (stat) ± 0.3 (syst)) mm, a value well reproduced by the Monte Carlo (MC) simulation (8.4 ± 0.1) mm. The dependence of the effective Molière radius on the electron energy in the range 1–5 GeV was also studied. Good agreement was obtained between data and MC simulation.
ISSN:	1434-6044 1434-6052
DOI:	10.1140/epjc/s10052-019-7077-9