Performance of the LHCb RICH photodetectors in a charged particle beam

Adinolfi, M.; Aglieri Rinella, G.; Albrecht, E.; Ameri, M.; Arnaboldi, C.; Bellunato, T.; Bibby, J.; Blake, T.; Cuneo, S.; Dickens, J.; Easo, S.; Egede, U.; Fontanelli, F.; Gibson, V.; Gys, T.; Hallam, R.; Harnew, N.; Howard, A.; Kanaya, N.; Katvars, S.; Matteuzzi, C.; Mccarron, J.; Mini, G.; Muheim, F.; Panzeri, E.; Patel, M.; Pessina, G.; Piedigrossi, D.; Plackett, R.; Sannino, M.; Storey, J.; Sullivan, P.; Topp-Jorgensen, S.; Van Lysebetten, A.; Vidal-Sitjes, G.; Websdale, D.; Wotton, S.; Wyllie, K.

doi:10.1016/j.nima.2007.01.100

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The Ring Imaging Cherenkov detectors of LHCb will use pixel Hybrid Photon Detectors to measure the spatial position of Cherenkov photons. The first six pre-production photon detectors have been tested in a beam, together with prototypes of the on-detector electronics. The tests were performed at CERN using 10 GeV=c pions together with an N2 gas radiator as a source of Cherenkov light. With 1.1 m of radiator, around 10 photoelectrons were detected per track. The single-photon Cherenkov angle resolution was measured to be 1:66 0:03 mrad, which is dominated by the pixelisation of the photon detector in the test-beam set-up. Both numbers agree with expectations.

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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11567/348485

Titolo:	Performance of the LHCb RICH photodetectors in a charged particle beam
Autori interni:	FONTANELLI, FLAVIO SANNINO, MARIO
Data di pubblicazione:	2007
Rivista:	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT
Abstract:	The Ring Imaging Cherenkov detectors of LHCb will use pixel Hybrid Photon Detectors to measure the spatial position of Cherenkov photons. The first six pre-production photon detectors have been tested in a beam, together with prototypes of the on-detector electronics. The tests were performed at CERN using 10 GeV=c pions together with an N2 gas radiator as a source of Cherenkov light. With 1.1 m of radiator, around 10 photoelectrons were detected per track. The single-photon Cherenkov angle resolution was measured to be 1:66 0:03 mrad, which is dominated by the pixelisation of the photon detector in the test-beam set-up. Both numbers agree with expectations.
Handle:	http://hdl.handle.net/11567/348485
Appare nelle tipologie:	01.01 - Articolo su rivista

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