Running of the Charm-Quark Mass from HERA Deep-Inelastic Scattering Data

Gizhko, A.; Brugnera, R.; Zhang, Zhengkang; Britzger, D.; Cooper-Sarkar, A. M.; Verbytskyi, Andrii; Mikocki, S.; Garzelli, M.; Behnke, O.; Longhin, A.; Abt, I.; Moch, S.; Garfagnini, A.; Lisovyi, Misha; Feltesse, J.; Bertolin, A.; Daum, K.; Buniatyan, A.; Lipka, K.; Naumann, Th.; Spiesberger, H.; Tymieniecka, T.; Shcheglova, L. M.; Wichmann, K.; Foster, B.; Paul, E.; Elsen, E.; Carlin, R.; Haidt, D.; Kapichine, M.; Levchenko, B. B.; Żarnecki, A. F.; Stanco, L.; Nowak, Grazyna; Gayler, J.; Geiser, A.; Korzhavina, I. A.; Zenaiev, O.; Jung, A. W.; Rabbertz, K.; Bussey, P. J.; Schmitt, Sebastian; Dusini, S.; Blümlein, J.; Wing, M.; Truöl, P.; Favart, L.; Plačakytė, R.; Si, Z.; Hladkỳ, J.

Preprint/Report

PUBDB-2017-04377

Running of the Charm-Quark Mass from HERA Deep-Inelastic Scattering Data

Gizhko, A.DESY* ; Geiser, A.DESY* ; Moch, S.Extern* ; Abt, I.Extern* ; Behnke, O.DESY* ; Bertolin, A. ; Blümlein, J.DESY* ; Britzger, D.DESY* ; Brugnera, R.Extern* ; Buniatyan, A.Extern* ; Bussey, P. J. ; Carlin, R. ; Cooper-Sarkar, A. M. ; Daum, K.Extern* ; Dusini, S. ; Elsen, E.DESY* ; Favart, L.Extern* ; Feltesse, J.Extern* ; Foster, B.Extern*DESY* ; Garfagnini, A. ; Garzelli, M.Extern* ; Gayler, J.DESY* ; Haidt, D.DESY* ; Hladkỳ, J.Extern* ; Jung, A. W.Extern* ; Kapichine, M. ; Korzhavina, I. A. ; Levchenko, B. B. ; Lipka, K.DESY* ; Lisovyi, M.Extern* ; Longhin, A. ; Mikocki, S.Extern* ; Naumann, T.DESY* ; Nowak, G.DESY* ; Paul, E.Extern* ; Plačakytė, R.Extern* ; Rabbertz, K. ; Schmitt, S.Extern* ; Shcheglova, L. M. ; Si, Z. ; Spiesberger, H. ; Stanco, L.Extern* ; Truöl, P.Extern* ; Tymieniecka, T.Extern* ; Verbytskyi, A.Extern* ; Wichmann, K.DESY* ; Wing, M.Extern* ; Żarnecki, A. F. ; Zenaiev, O.DESY* ; Zhang, Z.Extern*

2017

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Report No.: DESY-17-048; arXiv:1705.08863

Abstract: Combined HERA data on charm production in deep-inelastic scattering have previously been used to determine the charm-quark running mass $m_c(m_c)$ in the MSbar renormalisation scheme. Here, the same data are used as a function of the photon virtuality $Q^2$ to evaluate the charm-quark running mass at different scales to one-loop order, in the context of a next-to-leading order QCD analysis. The scale dependence of the mass is found to be consistent with QCD expectations.

Keyword(s): mass: energy dependence ; charm: production ; higher-order: 1 ; deep inelastic scattering ; quantum chromodynamics ; DESY HERA Stor ; scale dependence ; renormalization ; photon