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Inclusive jet cross sections in the Breit frame in neutral current deep inelastic scattering at HERA and determination of α s

Title
Inclusive jet cross sections in the Breit frame in neutral current deep inelastic scattering at HERA and determination of α s
Authors
Chekanov S.Krakauer D.Magill S.Musgrave B.Repond J.Yoshida R.Mattingly M.C.K.Antonioli P.Bari G.Basile M.Bellagamba L.Boscherini D.Bruni A.Bruni G.Cara Romeo G.Cifarelli L.Cindolo F.Contin A.Corradi M.De Pasquale S.Giusti P.Iacobucci G.Margotti A.Nania R.Palmonari F.Pesci A.Sartorelli G.Zichichi A.Aghuzumtsyan G.Bartsch D.Brock I.Crittenden J.Goers S.Hartmann H.Hilger E.Irrgang P.Jakob H.-P.Kappes A.Katz U.F.Kerger R.Kind O.Paul E.Rautenberg J.Renner R.Schnurbusch H.Stifutkin A.Tandler J.Voss K.C.Weber A.Bailey D.S.Brook N.H.Cole J.E.Foster B.Heath G.P.Heath H.F.Robins S.Rodrigues E.Scott J.Tapper R.J.Wing M.Capua M.Mastroberardino A.Schioppa M.Susinno G.Kim J.Y.Kim Y.K.Lee J.H.Lim I.T.Pac M.Y.Caldwell A.Helbich M.Liu X.Mellado B.Ning Y.Paganis S.Ren Z.Schmidke W.B.Sciulli F.Chwastowski J.Eskreys A.Figiel J.Olkiewicz K.Piotrzkowski K.Przybycien M.B.Stopa P.Zawiejski L.Adamczyk L.Bold T.Grabowska-Bold I.Kisielewska D.Kowal A.M.Kowal M.Kowalski T.Przybycien M.Suszycki L.Szuba D.Szuba J.Kotanski A.
Ewha Authors
박일흥
Issue Date
2002
Journal Title
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ISSN
0370-2693JCR Link
Citation
vol. 547, no. 3-4, pp. 164 - 180
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Inclusive jet differential cross sections have been measured in neutral current deep inelastic e +p scattering for boson virtualities Q 2 > 125 GeV 2. The data were taken using the ZEUS detector at HERA and correspond to an integrated luminosity of 38.6 pb -1. Jets were identified in the Breit frame using the longitudinally invariant k T cluster algorithm. Measurements of differential inclusive jet cross sections are presented as functions of jet transverse energy (E B T.jet), jet pseudorapidity and Q 2, for jets with E B T.jet > 8 GeV. Next-to-leading-order QCD calculations agree well with the measurements both at high Q 2 and high E B T.jet. The value of α s(M z), determined from an analysis of dσ/dQ 2 for Q 2 > 500 GeV 2, is α s(M Z=0.1212±0.0017 (stat.) +0.0023 -0.0031 (syst.) +0.0028 -0.0027(th.). © 2002 Elsevier Science B.V. All rights reserved.
DOI
10.1016/S0370-2693(02)02763-6
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자연과학대학 > 물리학전공 > Journal papers
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