Measurement of the production of a W boson in association with a charm quark in pp collisions at √s=7 TeV with the ATLAS detector

被引：0

作者：

Aad, G. ^{[118
,119
]}

Abajyan, T. ^{[32
]}

Abbott, B. ^{[151
]}

Abdallah, J. ^{[215
]}

Khalek, S. Abdel ^{[155
,156
]}

Abdinov, O. ^{[15
]}

Aben, R. ^{[144
,145
]}

Abi, B. ^{[152
]}

Abolins, M. ^{[124
]}

AbouZeid, O. S. ^{[223
]}

Abramowicz, H. ^{[217
]}

Abreu, H. ^{[195
]}

Abulaiti, Y. ^{[208
,209
]}

Acharya, B. S. ^{[230
,231
,251
]}

Adamczyk, L. ^{[61
]}

Adams, D. L. ^{[39
]}

Addy, T. N. ^{[83
]}

Adelman, J. ^{[248
]}

Adomeit, S. ^{[135
]}

Adye, T. ^{[180
]}

Agatonovic-Jovin, T. ^{[19
]}

Aguilar-Saavedra, J. A. ^{[167
,172
,173
]}

Agustoni, M. ^{[24
,25
]}

Ahlen, S. P. ^{[33
]}

Ahmad, A. ^{[211
,212
]}

Ahmadov, F. ^{[15
,93
]}

Aielli, G. ^{[185
,186
]}

Akesson, T. P. A. ^{[114
]}

Akimoto, G. ^{[219
,220
]}

Akimov, A. V. ^{[131
]}

Albert, J. ^{[241
]}

Albrand, S. ^{[80
,81
,82
]}

Alconada Verzini, M. J. ^{[99
,100
]}

Aleksa, M. ^{[46
]}

Aleksandrov, I. N. ^{[93
]}

Alexa, C. ^{[40
]}

Alexander, G. ^{[217
]}

Alexandre, G. ^{[72
]}

Alexopoulos, T. ^{[14
]}

Alhroob, M. ^{[230
,232
]}

Alimonti, G. ^{[125
]}

Alio, L. ^{[118
,119
]}

Alison, J. ^{[47
]}

Allbrooke, B. M. M. ^{[26
]}

Allison, L. J. ^{[101
]}

Allport, P. P. ^{[104
]}

Allwood-Spiers, S. E. ^{[78
]}

Almond, J. ^{[117
]}

Aloisio, A. ^{[140
,141
]}

Alon, R. ^{[244
]}

机构：

[1] Univ Adelaide, Dept Phys, Adelaide, SA, Australia

[2] SUNY Albany, Dept Phys, Albany, NY 12222 USA

[3] Univ Alberta, Dept Phys, Edmonton, AB, Canada

[4] Ankara Univ, Dept Phys, TR-06100 Ankara, Turkey

[5] Gazi Univ, Dept Phys, Ankara, Turkey

[6] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey

[7] Turkish Atom Energy Commiss, Ankara, Turkey

[8] CNRS, IN2P3, LAPP, Annecy Le Vieux, France

[9] Univ Savoie, Annecy Le Vieux, France

[10] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

[11] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

[12] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA

[13] Univ Athens, Dept Phys, Athens, Greece

[14] Natl Tech Univ Athens, Dept Phys, Zografos, Greece

[15] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan

[16] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Barcelona, Spain

[17] Univ Autonoma Barcelona, Dept Fis, E-08193 Barcelona, Spain

[18] Univ Belgrade, Inst Phys, Belgrade, Serbia

[19] Univ Belgrade, Vinca Inst Nucl Sci, Belgrade, Serbia

[20] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[21] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA

[22] Univ Calif Berkeley, Berkeley, CA 94720 USA

[23] Humboldt Univ, Dept Phys, D-10099 Berlin, Germany

[24] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland

[25] Univ Bern, High Energy Phys Lab, Bern, Switzerland

[26] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[27] Bogazici Univ, Dept Phys, Istanbul, Turkey

[28] Dogus Univ, Dept Phys, Istanbul, Turkey

[29] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkey

[30] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy

[31] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

[32] Univ Bonn, Inst Phys, Bonn, Germany

[33] Boston Univ, Dept Phys, Boston, MA 02215 USA

[34] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA

[35] Univ Fed Rio de Janeiro, COPPE EE IF, Rio De Janeiro, Brazil

[36] Fed Univ Juiz de Fora UFJF, Juiz De Fora, Brazil

[37] Fed Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil

[38] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil

[39] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[40] Natl Inst Phys & Nucl Engn, Bucharest, Romania

[41] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania

[42] Univ Politehn Bucuresti, Bucharest, Romania

[43] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina

[44] Cavendish Lab, Cambridge, England

[45] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada

[46] CERN, Geneva, Switzerland

[47] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[48] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile

[49] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile

[50] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2014年 / 05期

基金：

美国国家科学基金会;

关键词：

Electroweak interaction; Hadron-Hadron Scattering; Charm physics; PARTON DISTRIBUTIONS; MONTE-CARLO; PAIR PRODUCTION; CROSS-SECTION; DECAY; TEVATRON;

D O I：

10.1007/JHEP05(2014)068

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The production of a W boson in association with a single charm quark is studied using 4.6 fb(-1) of pp collision data at root s = 7 TeV collected with the ATLAS detector at the Large Hadron Collider. In events in which a W boson decays to an electron or muon, the charm quark is tagged either by its semileptonic decay to a muon or by the presence of a charmed meson. The integrated and differential cross sections as a function of the pseudorapidity of the lepton from the W-boson decay are measured. Results are compared to the predictions of next-to-leading-order QCD calculations obtained from various parton distribution function parameterisations. The ratio of the strange-to-down sea-quark distributions is determined to be 0.96(-0.30)(+0.26) at Q (2) = 1.9 GeV2, which supports the hypothesis of an SU(3)-symmetric composition of the light-quark sea. Additionally, the cross-section ratio sigma(W (+) +)/sigma(W (-) + c) is compared to the predictions obtained using parton distribution function parameterisations with different assumptions about the s-(s) over bar quark asymmetry.

引用

页码：1 / 67

页数：67

共 79 条

[1] Aad G, 2013, EUR PHYS J C, V73, DOI 10.1140/epjc/s10052-013-2518-3
[2] Aad G, 2013, EUR PHYS J C, V73, DOI 10.1140/epjc/s10052-012-2261-1
[3] Aad G, 2013, EUR PHYS J C, V73, DOI 10.1140/epjc/s10052-013-2304-2
[4] Determination of the Strange-Quark Density of the Proton from ATLAS Measurements of the W → lv and Z → ll Cross Sections
Aad, G.
Abbott, B.
Abdallah, J.
Abdelalim, A. A.
Abdesselam, A.
Abdinov, O.
Abi, B.
Abolins, M.
AbouZeid, O. S.
Abramowicz, H.
Abreu, H.
Acerbi, E.
Acharya, B. S.
Adamczyk, L.
Adams, D. L.
Addy, T. N.
Adelman, J.
Aderholz, M.
Adomeit, S.
Adragna, P.
Adye, T.
Aefsky, S.
Aguilar-Saavedra, J. A.
Aharrouche, M.
Ahlen, S. P.
Ahles, F.
Ahmad, A.
Ahsan, M.
Aielli, G.
Akdogan, T.
Akesson, T. P. A.
Akimoto, G.
Akimov, A. V.
Akiyama, A.
Alam, M. S.
Alam, M. A.
Albert, J.
Albrand, S.
Aleksa, M.
Aleksandrov, I. N.
Alessandria, F.
Alexa, C.
Alexander, G.
Alexandre, G.
Alexopoulos, T.
Alhroob, M.
Aliev, M.
Alimonti, G.
Alison, J.
Aliyev, M.
[J]. PHYSICAL REVIEW LETTERS, 2012, 109 (01)
[5] Aad G, 2012, EUR PHYS J C, V72, DOI 10.1140/epjc/s10052-011-1844-6
[6] Measurement of the jet fragmentation function and transverse profile in proton-proton collisions at a center-of-mass energy of 7 TeV with the ATLAS detector
Aad, G.
Abbott, B.
Abdallah, J.
Abdelalim, A. A.
Abdesselam, A.
Abdinov, O.
Abi, B.
Abolins, M.
Abramowicz, H.
Abreu, H.
Acerbia, E.
Acharya, B. S.
Adams, D. L.
Addy, T. N.
Adelman, J.
Aderholz, M.
Adomeit, S.
Adragna, P.
Adye, T.
Aefsky, S.
Aguilar-Saavedra, J. A.
Aharrouche, M.
Ahlen, S. P.
Ahles, F.
Ahmad, A.
Ahsan, M.
Aielli, G.
Akdogan, T.
Akesson, T. P. A.
Akimoto, G.
Akimov, A. V.
Akiyama, A.
Alam, M. S.
Alam, M. A.
Albert, J.
Albrand, S.
Aleksa, M.
Aleksandrov, I. N.
Alessandria, F.
Alexa, C.
Alexander, G.
Alexandre, G.
Alexopoulos, T.
Alhroob, M.
Aliev, M.
Alimonti, G.
Alison, J.
Aliyev, M.
Allport, P. P.
Allwood-Spiers, S. E.
[J]. EUROPEAN PHYSICAL JOURNAL C, 2011, 71 (11):
[7] Aad G, 2011, EUR PHYS J C, V71, DOI 10.1140/epjc/s10052-011-1577-6
[8] The ATLAS Simulation Infrastructure
Aad, G.
Abbott, B.
Abdallah, J.
Abdelalim, A. A.
Abdesselam, A.
Abdinov, O.
Abi, B.
Abolins, M.
Abramowicz, H.
Abreu, H.
Acharya, B. S.
Adams, D. L.
Addy, T. N.
Adelman, J.
Adorisio, C.
Adragna, P.
Adye, T.
Aefsky, S.
Aguilar-Saavedra, J. A.
Aharrouche, M.
Ahlen, S. P.
Ahles, F.
Ahmad, A.
Ahmed, H.
Ahsan, M.
Aielli, G.
Akdogan, T.
Akesson, T. P.
Akimoto, G.
Akimov, A. V.
Aktas, A.
Alam, M. S.
Alam, M. A.
Albrand, S.
Aleksa, M.
Aleksandrov, I. N.
Alexa, C.
Alexander, G.
Alexandre, G.
Alexopoulos, T.
Alhroob, M.
Aliev, M.
Alimonti, G.
Alison, J.
Aliyev, M.
Allport, P. P.
Allwood-Spiers, S. E.
Almond, J.
Aloisio, A.
Alon, R.
[J]. EUROPEAN PHYSICAL JOURNAL C, 2010, 70 (03): : 823 - 874
[9] The ATLAS Experiment at the CERN Large Hadron Collider
Aad, G.
Abat, E.
Abdallah, J.
Abdelalim, A. A.
Abdesselam, A.
Abdinov, O.
Abi, B. A.
Abolins, M.
Abramowicz, H.
Acerbi, E.
Acharya, B. S.
Achenbach, R.
Ackers, M.
Adams, D. L.
Adamyan, F.
Addy, T. N.
Aderholz, M.
Adorisio, C.
Adragna, P.
Aharrouche, M.
Ahlen, S. P.
Ahles, F.
Ahmad, A.
Ahmed, H.
Aielli, G.
Akesson, P. F.
Akesson, T. P. A.
Alam, S. M.
Albert, J.
Albrand, S.
Aleksa, M.
Aleksandrov, I. N.
Aleppo, M.
Alessandria, F.
Alexa, C.
Alexander, G.
Alexopoulos, T.
Alimonti, G.
Aliyev, M.
Allport, P. P.
Allwood-Spiers, S. E.
Aloisio, A.
Alonso, J.
Alves, R.
Alviggi, M. G.
Amako, K.
Amaral, P.
Amaral, S. P.
Ambrosini, G.
Ambrosio, G.
[J]. JOURNAL OF INSTRUMENTATION, 2008, 3
[10] First measurement of W boson production in association with a single charm quark in p(p)over-bar collisions at √s=1.96 TeV
Aaltonen, T.
Adelman, J.
Akimoto, T.
Albrow, M. G.
Gonzalez, B. Alavarez
Amerio, S.
Amidei, D.
Anastassov, A.
Annovi, A.
Antos, J.
Aoki, M.
Apollinari, G.
Apresyan, A.
Arisawa, T.
Artikov, A.
Ashmanskas, W.
Attal, A.
Aurisano, A.
Azfar, F.
Azzi-Bacchetta, P.
Azzurri, P.
Bacchetta, N.
Badgett, W.
Barbaro-Galtieri, A.
Barnes, V. E.
Barnett, B. A.
Baroiant, S.
Bartsch, V.
Bauer, G.
Beauchemin, P. -H.
Bedeschi, F.
Bednar, P.
Behari, S.
Bellettini, G.
Bellinger, J.
Belloni, A.
Benjamin, D.
Beretvas, A.
Beringer, J.
Berry, T.
Bhatti, A.
Binkley, M.
Bisello, D.
Bizjak, I.
Blair, R. E.
Blocker, C.
Blumenfeld, B.
Bocci, A.
Bodek, A.
Boisvert, V.
[J]. PHYSICAL REVIEW LETTERS, 2008, 100 (09)

← 1 2 3 4 5 6 7 8 →