Multijet production in neutral current deep inelastic scattering at HERA and determination of alpha(s)

Multijet production rates in neutral current deep inelastic scattering have been measured in the range of exchanged boson virtualities 10 < Q 2 < 5000 GeV2. The data were taken at the ep collider HERA with centre-of-mass energy √s = 318 GeV using the ZEUS detector and correspond to an...

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প্রধান লেখক: Chekanov, S, Derrick, M, Magill, S, Miglioranzi, S, Musgrave, B, Repond, J, Yoshida, R, Mattingly, M, Pavel, N, Molina, A, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Romeo, G, Cifarelli, L, Cindolo, F, Contin, A, Corradi, M, De Pasquale, S, Giusti, P, Iacobucci, G
বিন্যাস: Journal article
ভাষা:English
প্রকাশিত: 2005
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author Chekanov, S
Derrick, M
Magill, S
Miglioranzi, S
Musgrave, B
Repond, J
Yoshida, R
Mattingly, M
Pavel, N
Molina, A
Antonioli, P
Bari, G
Basile, M
Bellagamba, L
Boscherini, D
Bruni, A
Bruni, G
Romeo, G
Cifarelli, L
Cindolo, F
Contin, A
Corradi, M
De Pasquale, S
Giusti, P
Iacobucci, G
author_facet Chekanov, S
Derrick, M
Magill, S
Miglioranzi, S
Musgrave, B
Repond, J
Yoshida, R
Mattingly, M
Pavel, N
Molina, A
Antonioli, P
Bari, G
Basile, M
Bellagamba, L
Boscherini, D
Bruni, A
Bruni, G
Romeo, G
Cifarelli, L
Cindolo, F
Contin, A
Corradi, M
De Pasquale, S
Giusti, P
Iacobucci, G
author_sort Chekanov, S
collection OXFORD
description Multijet production rates in neutral current deep inelastic scattering have been measured in the range of exchanged boson virtualities 10 < Q 2 < 5000 GeV2. The data were taken at the ep collider HERA with centre-of-mass energy √s = 318 GeV using the ZEUS detector and correspond to an integrated luminosity of 82.2pb-1. Jets were identified in the Breit frame using the kT cluster algorithm in the longitudinally invariant inclusive mode. Measurements of differential dijet and trijet cross sections are presented as functions of jet transverse energy (ET,Bjet), pseudorapidity (ηLABjet) and Q2 with ET,Bjet > 5 GeV and -1 < ηLABjet < 2.5. Next-to-leading-order QCD calculations describe the data well. The value of the strong coupling constant αs(MZ), determined from the ratio of the trijet to dijet cross sections, is αs(MZ) = 0.1179 ± 0.0013 (stat.)-0.0046-0.0028 (exp.) -0.0046+0.0064 (th.). © Springer-Verlag / Società Italiana di Fisica 2005.
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spelling oxford-uuid:ec39d9d3-9ec8-43d3-a2bf-f74d1c2e9a662022-03-27T11:16:04ZMultijet production in neutral current deep inelastic scattering at HERA and determination of alpha(s)Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ec39d9d3-9ec8-43d3-a2bf-f74d1c2e9a66EnglishSymplectic Elements at Oxford2005Chekanov, SDerrick, MMagill, SMiglioranzi, SMusgrave, BRepond, JYoshida, RMattingly, MPavel, NMolina, AAntonioli, PBari, GBasile, MBellagamba, LBoscherini, DBruni, ABruni, GRomeo, GCifarelli, LCindolo, FContin, ACorradi, MDe Pasquale, SGiusti, PIacobucci, GMultijet production rates in neutral current deep inelastic scattering have been measured in the range of exchanged boson virtualities 10 < Q 2 < 5000 GeV2. The data were taken at the ep collider HERA with centre-of-mass energy √s = 318 GeV using the ZEUS detector and correspond to an integrated luminosity of 82.2pb-1. Jets were identified in the Breit frame using the kT cluster algorithm in the longitudinally invariant inclusive mode. Measurements of differential dijet and trijet cross sections are presented as functions of jet transverse energy (ET,Bjet), pseudorapidity (ηLABjet) and Q2 with ET,Bjet > 5 GeV and -1 < ηLABjet < 2.5. Next-to-leading-order QCD calculations describe the data well. The value of the strong coupling constant αs(MZ), determined from the ratio of the trijet to dijet cross sections, is αs(MZ) = 0.1179 ± 0.0013 (stat.)-0.0046-0.0028 (exp.) -0.0046+0.0064 (th.). © Springer-Verlag / Società Italiana di Fisica 2005.
spellingShingle Chekanov, S
Derrick, M
Magill, S
Miglioranzi, S
Musgrave, B
Repond, J
Yoshida, R
Mattingly, M
Pavel, N
Molina, A
Antonioli, P
Bari, G
Basile, M
Bellagamba, L
Boscherini, D
Bruni, A
Bruni, G
Romeo, G
Cifarelli, L
Cindolo, F
Contin, A
Corradi, M
De Pasquale, S
Giusti, P
Iacobucci, G
Multijet production in neutral current deep inelastic scattering at HERA and determination of alpha(s)
title Multijet production in neutral current deep inelastic scattering at HERA and determination of alpha(s)
title_full Multijet production in neutral current deep inelastic scattering at HERA and determination of alpha(s)
title_fullStr Multijet production in neutral current deep inelastic scattering at HERA and determination of alpha(s)
title_full_unstemmed Multijet production in neutral current deep inelastic scattering at HERA and determination of alpha(s)
title_short Multijet production in neutral current deep inelastic scattering at HERA and determination of alpha(s)
title_sort multijet production in neutral current deep inelastic scattering at hera and determination of alpha s
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