TY - JOUR
T1 - Measurement of the E(T,jet)/2/Q2 dependence of forward-jet production at HERA
AU - ZEUS collaboration
AU - Breitweg, J.
AU - Chekanov, S.
AU - Derrick, M.
AU - Krakauer, D.
AU - Magill, S.
AU - Musgrave, B.
AU - Pellegrino, A.
AU - Repond, J.
AU - Stanek, R.
AU - Yoshida, R.
AU - Mattingly, M. C.K.
AU - Abbiendi, G.
AU - Anselmo, F.
AU - Antonioli, P.
AU - Bari, G.
AU - Basile, M.
AU - Bellagamba, L.
AU - Boscherini, D.
AU - Bruni, A.
AU - Bruni, G.
AU - Cara Romeo, G.
AU - Castellini, G.
AU - Cifarelli, L.
AU - Cindolo, F.
AU - Contin, A.
AU - Coppola, N.
AU - Corradi, M.
AU - De Pasquale, S.
AU - Giusti, P.
AU - Iacobucci, G.
AU - Laurenti, G.
AU - Levi, G.
AU - Margotti, A.
AU - Massam, T.
AU - Nania, R.
AU - Palmonari, F.
AU - Pesci, A.
AU - Polini, A.
AU - Sartorelli, G.
AU - Zamora Garcia, Y.
AU - Zichichi, A.
AU - Amelung, C.
AU - Bornheim, A.
AU - Brock, I.
AU - Cobӧken, K.
AU - Crittenden, J.
AU - Deffner, R.
AU - Abramowicz, H.
AU - Kananov, S.
AU - Levy, A.
PY - 2000/2/10
Y1 - 2000/2/10
N2 - The forward-jet cross section in deep inelastic e+p scattering has been measured using the ZEUS detector at HERA with an integrated luminosity of 6.36 pb-1. The jet cross section is presented as a function of jet transverse energy squared, E(T,jet)/2, and Q2 in the kinematic ranges 10-2 < E(T,jet)/2/Q 2 < 102 and 2.5 · 10-4 < x < 8.0 · 10-2. Since the perturbative QCD predictions for this cross section are sensitive to the treatment of the log(E(T,jet)/2/Q2) terms, this measurement provides an important test. The measured cross section is compared to the predictions of a next-to-leading order pQCD calculation as well as to various leading-order Monte Carlo models. Whereas the predictions of all models agree with the measured cross section in the region of small E(T,jet/2/Q2 only one model, which includes a resolved photon component, describes the data over the whole kinematic range. (C) 2000 Elsevier Science B.V.
AB - The forward-jet cross section in deep inelastic e+p scattering has been measured using the ZEUS detector at HERA with an integrated luminosity of 6.36 pb-1. The jet cross section is presented as a function of jet transverse energy squared, E(T,jet)/2, and Q2 in the kinematic ranges 10-2 < E(T,jet)/2/Q 2 < 102 and 2.5 · 10-4 < x < 8.0 · 10-2. Since the perturbative QCD predictions for this cross section are sensitive to the treatment of the log(E(T,jet)/2/Q2) terms, this measurement provides an important test. The measured cross section is compared to the predictions of a next-to-leading order pQCD calculation as well as to various leading-order Monte Carlo models. Whereas the predictions of all models agree with the measured cross section in the region of small E(T,jet/2/Q2 only one model, which includes a resolved photon component, describes the data over the whole kinematic range. (C) 2000 Elsevier Science B.V.
UR - http://www.scopus.com/inward/record.url?scp=0034628394&partnerID=8YFLogxK
U2 - 10.1016/S0370-2693(99)01478-1
DO - 10.1016/S0370-2693(99)01478-1
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AN - SCOPUS:0034628394
SN - 0370-2693
VL - 474
SP - 223
EP - 233
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 1-2
ER -