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The BGO Calorimeter of BGO-OD Experiment

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


Journal:
16TH INTERNATIONAL CONFERENCE ON CALORIMETRY IN HIGH ENERGY PHYSICS (CALOR 2014)


Issue Date:
2015


Abstract(summary):

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 x 10(7) 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.


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