Measurement of the front-end dead-time of the LHCb muon detector and evaluation of its contribution to the muon detection inefficiency

L. Anderlini; M. Anelli; F. Archilli; G. Auriemma; W. Baldini; G. Bencivenni; A. Bizzeti; V. Bocci; N. Bondar; W. Bonivento; B. Bochin; C. Bozzi; D. Brundu; S. Cadeddu; P. Campana; G. Carboni; A. Cardini; M. Carletti; L. Casu; A. Chubykin; P. Ciambrone; E. Dané; P. De Simone; A. Falabella; G. Felici; M. Fiore; M. Fontana; P. Fresch; E. Furfaro; G. Graziani; A. Kashchuk; S. Kotriakhova; A. Lai; G. Lanfranchi; A. Loi; O. Maev; G. Manca; G. Martellotti; P. Neustroev; R.G.C. Oldeman; M. Palutan; G. Passaleva; G. Penso; D. Pinci; E. Polycarpo; B. Saitta; R. Santacesaria; M. Santimaria; E. Santovetti; A. Saputi; A. Sarti; C. Satriano; A. Satta; B. Schmidt; T. Schneider; B. Sciascia; A. Sciubba; B.G. Siddi; G. Tellarini; C. Vacca; R. Vazquez-Gomez; S. Vecchi; M. Veltri; A. Vorobyev

doi:10.1088/1748-0221/11/04/P04010

Journal of Instrumentation

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Measurement of the front-end dead-time of the LHCb muon detector and evaluation of its contribution to the muon detection inefficiency

L. Anderlini¹, M. Anelli², F. Archilli³, G. Auriemma^4,5, W. Baldini^3,6, G. Bencivenni², A. Bizzeti^1,7, V. Bocci⁴, N. Bondar^3,8, W. Bonivento⁹, B. Bochin⁸, C. Bozzi^3,6, D. Brundu⁹, S. Cadeddu⁹, P. Campana², G. Carboni^10,11, A. Cardini⁹, M. Carletti², L. Casu⁹, A. Chubykin⁸, P. Ciambrone², E. Dané², P. De Simone², A. Falabella¹², G. Felici², M. Fiore^3,6,13, M. Fontana⁹, P. Fresch⁴, E. Furfaro^10,11, G. Graziani¹, A. Kashchuk⁸, S. Kotriakhova⁸, A. Lai⁹, G. Lanfranchi², A. Loi⁹, O. Maev⁸, G. Manca¹⁴, G. Martellotti⁴, P. Neustroev⁸, R.G.C. Oldeman^9,15, M. Palutan², G. Passaleva¹, G. Penso^4,16, D. Pinci⁴, E. Polycarpo¹⁷, B. Saitta^9,15, R. Santacesaria⁴, M. Santimaria², E. Santovetti^10,11, A. Saputi², A. Sarti^2,16, C. Satriano^4,5, A. Satta¹⁰, B. Schmidt³, T. Schneider³, B. Sciascia², A. Sciubba^4,16, B.G. Siddi⁶, G. Tellarini^6,13, C. Vacca^3,9, R. Vazquez-Gomez², S. Vecchi⁶, M. Veltri^1,18 and A. Vorobyev⁸

Published 6 April 2016 • © CERN 2016
Journal of Instrumentation, Volume 11, April 2016 Citation L. Anderlini et al 2016 JINST 11 P04010 DOI 10.1088/1748-0221/11/04/P04010

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¹ Sezione INFN di Firenze, Firenze, Italy

² Laboratori Nazionali dell'INFN di Frascati, Frascati, Italy

³ European Organization for Nuclear Research (CERN), Geneva, Switzerland

⁴ Sezione INFN di Roma La Sapienza, Roma, Italy

⁵ Università della Basilicata, Potenza, Italy

⁶ Sezione INFN di Ferrara, Ferrara, Italy

⁷ Università di Modena e Reggio Emilia, Modena, Italy

⁸ Petersburg Nuclear Physics Institute (PNPI), Gatchina, Russia

⁹ Sezione INFN di Cagliari, Cagliari, Italy

¹⁰ Sezione INFN di Roma Tor Vergata, Roma, Italy

¹¹ Università di Roma Tor Vergata, Roma, Italy

¹² CNAF-INFN, Bologna, Italy

¹³ Università di Ferrara, Ferrara, Italy

¹⁴ LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France

¹⁵ Università di Cagliari, Cagliari, Italy

¹⁶ Università di Roma La Sapienza, Roma, Italy

¹⁷ Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil

¹⁸ Università di Urbino, Urbino, Italy

Dates

Received 3 February 2016
Accepted 18 February 2016
Published 6 April 2016

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Abstract

A method is described which allows to deduce the dead-time of the front-end electronics of the LHCb muon detector from a series of measurements performed at different luminosities at a bunch-crossing rate of 20 MHz. The measured values of the dead-time range from ∼ 70 ns to ∼ 100 ns. These results allow to estimate the performance of the muon detector at the future bunch-crossing rate of 40 MHz and at higher luminosity.

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Measurement of the front-end dead-time of the LHCb muon detector and evaluation of its contribution to the muon detection inefficiency

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