Research output: Contribution to journal › Article › peer-review
Combination and QCD analysis of charm production cross section measurements in deep-inelastic ep scattering at HERA. / HERAFitter developers’ team.
In: European Physical Journal C, Vol. 73, No. 2, 2311, 01.01.2013, p. 1-26.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Combination and QCD analysis of charm production cross section measurements in deep-inelastic ep scattering at HERA
AU - HERAFitter developers’ team
AU - Abramowicz, H.
AU - Abt, I.
AU - Adamczyk, L.
AU - Adamus, M.
AU - Aggarwal, R.
AU - Alexa, C.
AU - Andreev, V.
AU - Antonelli, S.
AU - Antonioli, P.
AU - Antonov, A.
AU - Arneodo, M.
AU - Arslan, O.
AU - Aushev, V.
AU - Aushev, Y.
AU - Bachynska, O.
AU - Baghdasaryan, A.
AU - Baghdasaryan, S.
AU - Bamberger, A.
AU - Barakbaev, A. N.
AU - Barbagli, G.
AU - Bari, G.
AU - Barreiro, F.
AU - Bartel, W.
AU - Bartosik, N.
AU - Bartsch, D.
AU - Basile, M.
AU - Begzsuren, K.
AU - Behnke, O.
AU - Behr, J.
AU - Behrens, U.
AU - Bellagamba, L.
AU - Belousov, A.
AU - Belov, P.
AU - Bertolin, A.
AU - Bhadra, S.
AU - Bindi, M.
AU - Blohm, C.
AU - Fedotov, A.
AU - Fomenko, A.
AU - Gladkov, D.
AU - Kim, J. Y.
AU - Lebedev, A.
AU - Lukina, O. Y.
AU - Makarenko, I.
AU - Morozov, A.
AU - Nikitin, D.
AU - Rusakov, S.
AU - Savin, A. A.
AU - Vlasov, N. N.
AU - Zhang, Z.
PY - 2013/1/1
Y1 - 2013/1/1
N2 - Measurements of open charm production cross sections in deep-inelastic ep scattering at HERA from the H1 and ZEUS Collaborations are combined. Reduced cross sections σ red cc̄ for charm production are obtained in the kinematic range of photon virtuality 2. 5≤Q 2 ≤2000 GeV 2 and Bjorken scaling variable 3{dot operator}10 -5 ≤x≤5{dot operator}10 -2 . The combination method accounts for the correlations of the systematic uncertainties among the different data sets. The combined charm data together with the combined inclusive deep-inelastic scattering cross sections from HERA are used as input for a detailed NLO QCD analysis to study the influence of different heavy flavour schemes on the parton distribution functions. The optimal values of the charm mass as a parameter in these different schemes are obtained. The implications on the NLO predictions for W ± and Z production cross sections at the LHC are investigated. Using the fixed flavour number scheme, the running mass of the charm quark is determined.
AB - Measurements of open charm production cross sections in deep-inelastic ep scattering at HERA from the H1 and ZEUS Collaborations are combined. Reduced cross sections σ red cc̄ for charm production are obtained in the kinematic range of photon virtuality 2. 5≤Q 2 ≤2000 GeV 2 and Bjorken scaling variable 3{dot operator}10 -5 ≤x≤5{dot operator}10 -2 . The combination method accounts for the correlations of the systematic uncertainties among the different data sets. The combined charm data together with the combined inclusive deep-inelastic scattering cross sections from HERA are used as input for a detailed NLO QCD analysis to study the influence of different heavy flavour schemes on the parton distribution functions. The optimal values of the charm mass as a parameter in these different schemes are obtained. The implications on the NLO predictions for W ± and Z production cross sections at the LHC are investigated. Using the fixed flavour number scheme, the running mass of the charm quark is determined.
UR - http://www.scopus.com/inward/record.url?scp=84876342391&partnerID=8YFLogxK
U2 - 10.1140/epjc/s10052-013-2311-3
DO - 10.1140/epjc/s10052-013-2311-3
M3 - Article
AN - SCOPUS:84876342391
VL - 73
SP - 1
EP - 26
JO - European Physical Journal C
JF - European Physical Journal C
SN - 1434-6044
IS - 2
M1 - 2311
ER -
ID: 39841568