Charm production in charged current deep inelastic scattering at HERA

被引：0
作者：
I. Abt
L. Adamczyk
R. Aggarwal
V. Aushev
O. Behnke
U. Behrens
A. Bertolin
I. Bloch
I. Brock
N. H. Brook
R. Brugnera
A. Bruni
P. J. Bussey
A. Caldwell
M. Capua
C. D. Catterall
J. Chwastowski
J. Ciborowski
R. Ciesielski
A. M. Cooper-Sarkar
M. Corradi
R. K. Dementiev
S. Dusini
J. Ferrando
B. Foster
E. Gallo
D. Gangadharan
A. Garfagnini
A. Geiser
L. K. Gladilin
Yu. A. Golubkov
G. Grzelak
C. Gwenlan
D. Hochman
N. Z. Jomhari
I. Kadenko
S. Kananov
U. Karshon
P. Kaur
R. Klanner
U. Klein
I. A. Korzhavina
N. Kovalchuk
H. Kowalski
O. Kuprash
M. Kuze
B. B. Levchenko
A. Levy
B. Löhr
E. Lohrmann
机构：
[1] INFN Bologna,National Centre for Particle Physics
[2] Physikalisches Institut der Universität Bonn,The Henryk Niewodniczanski Institute of Nuclear Physics
[3] Panjab University,Department of Physics
[4] Department of Physics,School of Physics and Astronomy
[5] Calabria University,Department of Physics
[6] Physics Department and INFN,Department of Nuclear Physics
[7] Universiti Malaya,Department of Physics
[8] Polish Academy of Sciences,Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics
[9] AGH University of Science and Technology,Department of Physics
[10] Faculty of Physics and Applied Computer Science,Department of Physics
[11] Jagellonian University,Physics and Astronomy Department
[12] Deutsches Elektronen-Synchrotron DESY,Faculty of Physics
[13] Deutsches Elektronen-Synchrotron DESY,Department of Particle Physics and Astrophysics
[14] University of Glasgow,Department of Physics
[15] GSI Helmholtzzentrum für Schwerionenforschung GmbH,undefined
[16] Hamburg University,undefined
[17] Institute of Experimental Physics,undefined
[18] Physikalisches Institut of the University of Heidelberg,undefined
[19] Institute of Particle and Nuclear Studies,undefined
[20] KEK,undefined
[21] Kobe University,undefined
[22] National Taras Shevchenko University of Kyiv,undefined
[23] Lomonosov Moscow State University,undefined
[24] Skobeltsyn Institute of Nuclear Physics,undefined
[25] Max-Planck-Institut für Physik,undefined
[26] University of Oxford,undefined
[27] INFN Padova,undefined
[28] Dipartimento di Fisica e Astronomia dell’Università and INFN,undefined
[29] Tel Aviv University,undefined
[30] Temple University,undefined
[31] Tokyo Institute of Technology,undefined
[32] Università di Torino and INFN,undefined
[33] Università del Piemonte Orientale,undefined
[34] Novara,undefined
[35] and INFN,undefined
[36] University College London,undefined
[37] University of Warsaw,undefined
[38] National Centre for Nuclear Research,undefined
[39] Weizmann Institute,undefined
[40] York University,undefined
[41] INFN Roma,undefined
[42] DST-Inspire Faculty,undefined
[43] Department of Technology,undefined
[44] SPPU,undefined
[45] Sant Longowal Institute of Engineering and Technology,undefined
[46] Rockefeller University,undefined
[47] University of Liverpool,undefined
[48] University of Freiburg,undefined
[49] European X-ray Free-Electron Laser facility GmbH,undefined
[50] Hamburg University,undefined
来源：
Journal of High Energy Physics | / 2019卷
关键词：
Heavy quark production; Lepton-Nucleon Scattering (experiments); QCD; Electroweak interaction;
D O I：
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摘要：
Charm production in charged current deep inelastic scattering has been measured for the first time in e±p collisions, using data collected with the ZEUS detector at HERA, corresponding to an integrated luminosity of 358 pb−1. Results are presented separately for e+p and e−p scattering at a centre-of-mass energy of s\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \sqrt{s} $$\end{document} = 318 GeV within a kinematic phase-space region of 200 GeV2 < Q2 < 60000 GeV2 and y < 0.9, where Q2 is the squared four-momentum transfer and y is the inelasticity. The measured cross sections of electroweak charm production are consistent with expectations from the Standard Model within the large statistical uncertainties.
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