Performance of the LHCb muon system

Alves, A. A.; Anderlini, L.; Anelli, M.; Nobrega, R. Antunes; Auriemma, G.; Baldini, W.; Bencivenni, G.; Berutti, R.; Bizzeti, A.; Bocci, V.; Bondar, N.; Bonivento, W.; Botchin, B.; Cadeddu, S.; Campana, P.; Carboni, G.; Cardini, A.; Carletti, M.; Ciambrone, P.; Dané, E.; Capua, S. De; Leo, V. De; Deplano, C.; Simone, P. De; Dettori, F.; Falabella, A.; Rodriguez, Fl; Frosini, M.; Furcas, S.; Furfaro, E.; Graziani, G.; Gruber, L.; Haefeli, G.; Kashchuk, A.; Iacoangeli, F.; Lai, A.; Lanfranchi, G.; Lenzi, M.; Levitskaya, O. V.; Mair, K.; Maev, O.; Manca, G.; Mara, M.; Martellotti, G.; Rodrigues, AB; Messi, R.; Murtas, F.; Neustroev, P.; Oldeman, R.; Palutan, M.; Passaleva, G.; Penso, G.; Pinci, D.; Polycarpo, E.; Raspino, D.; Sabatino, G.; Saitta, B.; Salamon, A.; Santacesaria, R.; Santovetti, E.; Saputi, A.; Sarti, A.; Satriano, C.; Satta, A.; Savrié, M.; Schmidt, B.; Schneider, Thomas; Sciascia, B.; Sciubba, A.; Serra, N.; Shatalov, P.; Vecchi, S.; Veltri, M.; Volkov, S.; Vorobyev, A.

doi:10.1088/1748-0221/8/02/p02022

Cited by 235 publications

(170 citation statements)

References 19 publications

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“…Photon, electron and hadron candidates are identified by a calorimeter system consisting of scintillating-pad and preshower detectors, an electromagnetic calorimeter and a hadronic calorimeter. Muons are identified by a system composed of alternating layers of iron and multiwire proportional chambers [21].…”

Section: Detector Trigger and Simulationmentioning

confidence: 99%

First measurement of time-dependent CP violation in $ B_s^0\to {K^{+}}{K^{-}} $ decays

Aaij¹,

Adeva²,

Adrover³

et al. 2013

J. High Energ. Phys.

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Direct and mixing-induced CP -violating asymmetries in B 0 s → K + K − decays are measured for the first time using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb −1 , collected with the LHCb detector at a centre-of-mass energy of 7 TeV. The results are C KK = 0.14 ± 0.11 ± 0.03 and S KK = 0.30 ± 0.12 ± 0.04, where the first uncertainties are statistical and the second systematic. The corresponding quantities are also determined for B 0 → π + π − decays to be C ππ = −0.38 ± 0.15 ± 0.02 and S ππ = −0.71 ± 0.13 ± 0.02, in good agreement with existing measurements.

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Section: Detector Trigger and Simulationmentioning

confidence: 99%

First measurement of time-dependent CP violation in $ B_s^0\to {K^{+}}{K^{-}} $ decays

Aaij¹,

Adeva²,

Adrover³

et al. 2013

J. High Energ. Phys.

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“…The electromagnetic and hadronic calorimeters have energy resolutions of σðEÞ=E ¼ 10%= ffiffiffi ffi E p ⊕ 1% and σðEÞ=E ¼ 69%= ffiffiffi ffi E p ⊕ 9% (with E in GeV), respectively. Muons are identified by a system composed of alternating layers of iron and multiwire proportional chambers [33].…”

Section: The Lhcb Detector and Data Setmentioning

confidence: 99%

Study ofWboson production in association with beauty and charm

Aaij¹,

Adeva²,

Adinolfi³

et al. 2015

Phys. Rev. D

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The associated production of a W boson with a jet originating from either a light parton or heavy-flavor quark is studied in the forward region using proton-proton collisions. The analysis uses data corresponding to integrated luminosities of 1.0 and 2.0 fb −1 collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, respectively. The W bosons are reconstructed using the W → μν decay and muons with a transverse momentum, p T , larger than 20 GeV in the pseudorapidity range 2.0 < η < 4.5. The partons are reconstructed as jets with p T > 20 GeV and 2.2 < η < 4.2. The sum of the muon and jet momenta must satisfy p T > 20 GeV. The fraction of W þ jet events that originate from beauty and charm quarks is measured, along with the charge asymmetries of the W þ b and W þ c production cross sections. The ratio of the W þ jet to Z þ jet production cross sections is also measured using the Z → μμ decay. All results are in agreement with Standard Model predictions.

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“…Photons, electrons and hadrons are identified by a calorimeter system consisting of scintillating-pad and preshower detectors, an electromagnetic calorimeter and a hadronic calorimeter. Muons are identified by a system composed of alternating layers of iron and multiwire proportional chambers [28].…”

Section: Lhcb Detector Trigger and Event Simulationmentioning

confidence: 99%