The test of the LKr calorimeter prototype at the tagged photon beam

The experiment with the prototype of liquid krypton electromagnetic calorimeter for the KEDR detector is described. The experiment was carried out at the VEPP-4M collider at the tagged photon beam. The tagged photons were obtained in the energy region 50–625 MeV using the ROKK-1M facility. The edges...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 1997-07, Vol.394 (1), p.35-45
Main Authors: Aulchenko, V.M, Bondar, A.E, Cantoni, P, Frabetti, P.L, Ganzhur, S.F, Kezerashvili, G.Ya, Klimenko, S.G, Lanni, F, Leontiev, L.A, Maggi, B, Malyshev, V.M, Maslennikov, A.L, Manfredi, P.F, Milov, A.M, Muchnoi, N.Yu, Onuchin, A.P, Palombo, F, Panin, V.S, Peleganchuk, S.V, Pogorelov, Yu.A, Pospelov, G.E, Protopopov, I.Ya, Re, V, Sala, A, Shamov, A.G, Shatilov, D.N, Simonov, E.A, Speziali, V, Stagni, L, Tikhonov, Yu.A
Format: Article
Language:English
Subjects:
Energy and space resolutions
LKr calorimeter
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Summary:The experiment with the prototype of liquid krypton electromagnetic calorimeter for the KEDR detector is described. The experiment was carried out at the VEPP-4M collider at the tagged photon beam. The tagged photons were obtained in the energy region 50–625 MeV using the ROKK-1M facility. The edges of the bremsstrahlung spectra were used for the energy resolution measurement in the high-energy region up to 4500 MeV. The energy resolution comparable with the resolution of the best crystal calorimeters and the excellent spatial resolution (∼1 mm) have been obtained. The results are in good agreement with the Monte-Carlo simulation.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(97)00518-4