The BGO calorimeter of BGO-OD experiment

B. Bantes, D. Bayadilov, R. Beck, M. Becker, A. Bella, P. Bielefeldt, J. Bieling, M. Bleckwenn, S. Böse, A. Braghieri, K. Th Brinkmann, D. Burdeynyi, F. Curciarello, V. De Leo, R. Di Salvo, H. Dutz, D. Elsner, A. Fantini, O. Freyermuth, S. FriedrichF. Frommberger, V. Ganenko, D. Geffers, G. Gervino, F. Ghio, G. Giardina, B. Girolami, D. Glazier, S. Goertz, A. Gridnev, E. Gutz, D. Hammann, J. Hannappel, P. F. Hartmann, W. Hillert, A. Ignatov, R. Jahn, R. Joosten, T. C. Jude, F. Klein, K. Koop, B. Krusche, A. Lapik, P. Levi Sandri, I. Lopatin, G. Mandaglio, P. Mei, F. Messi, R. Messi, V. Metag, D. Moricciani, M. Nanova, V. Nedorezov, D. Novinskiy, P. Pedroni, M. Romaniuk, T. Rostomyan, N. Rudnev, C. Schaerf, G. Scheluchin, H. Schmieden, V. Sumachev, V. Tarakanov, V. Vegna, D. Walther, D. Watts, H. G. Zaunick, T. Zimmermann

Research output: Contribution to journalArticlepeer-review

Abstract

The BGO Rugby Ball is a large solid angle electromagnetic calorimeter now installed in the ELSA Facility in Bonn. The BGO is operating in the BGO-OD experiment aiming to study meson photoproduction off proton and neutron induced by a Bremsstrahlung polarized gamma beam of energies from 0.2 to 3.2 GeV and an intensity of 5 × 107 photons per second. The scintillating material characteristics and the photomultiplier read-out make this detector particularly suited for the detection of medium energy photons and electrons with very good energy resolution. The detector has been equipped with a new electronics read-out system, consisting of 30 sampling ADC Wie-Ne-R modules which perform the off-line reconstruction of the signal start-time allowing for a good timing resolution. Performances in linearity, resolution and time response have been carefully tested at the Beam Test Facility of the INFN National Laboratories in Frascati by using a matrix of 7 BGO crystals coupled to photomultipliers and equipped with the Wie-Ne-R sampling ADCs.

Original languageEnglish
Article number012042
JournalJournal of Physics: Conference Series
Volume587
Issue number1
DOIs
Publication statusPublished - 2015
Externally publishedYes

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