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, Flavio; 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, Mario; 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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Titolo:	Performance of the LHCb RICH photodetectors in a charged particle beam
Autori:	M. Adinolfi G. Aglieri Rinella E. Albrecht M. Ameri C. Arnaboldi T. Bellunato J. Bibby T. Blake S. Cuneo J. Dickens S. Easo U. Egede FONTANELLI, FLAVIO V. Gibson T. Gys R. Hallam N. Harnew A. Howard N. Kanaya S. Katvars C. Matteuzzi J. McCarron G. Mini F. Muheim E. Panzeri M. Patel G. Pessina D. Piedigrossi R. Plackett SANNINO, MARIO J. Storey P. Sullivan S. Topp Jorgensen A. Van Lysebetten G. Vidal Sitjes D. Websdale S. Wotton K. Wyllie mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2007
Rivista:	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT
Citazione:	Performance of the LHCb RICH photodetectors in a charged particle beam / M. Adinolfi;G. Aglieri Rinella;E. Albrecht;M. Ameri;C. Arnaboldi;T. Bellunato;J. Bibby;T. Blake;S. Cuneo;J. Dickens;S. Easo;U. Egede;F. Fontanelli;V. Gibson;T. Gys;R. Hallam;N. Harnew;A. Howard;N. Kanaya;S. Katvars;C. Matteuzzi;J. McCarron;G. Mini;F. Muheim;E. Panzeri;M. Patel;G. Pessina;D. Piedigrossi;R. Plackett;M. Sannino;J. Storey;P. Sullivan;S. Topp-Jorgensen;A. Van Lysebetten;G. Vidal-Sitjes;D. Websdale;S. Wotton;K. Wyllie. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - STAMPA. - 574(2007), pp. 39-49.
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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