Measurement of the muon charge asymmetry in p(p)over-bar → W + X → μν + X events at √s=1.96 TeV

被引:47
作者
Abazov, V. M. [33 ]
Abbott, B. [69 ]
Acharya, B. S. [27 ]
Adams, M. [48 ]
Adams, T. [46 ]
Agnew, J. P. [43 ]
Alexeev, G. D. [33 ]
Alkhazov, G. [37 ]
Alton, A. [58 ]
Askew, A. [46 ]
Atkins, S. [56 ]
Augsten, K. [7 ]
Avila, C. [5 ]
Badaud, F. [10 ]
Bagby, L. [47 ]
Baldin, B. [47 ]
Bandurin, D. V. [46 ]
Banerjee, S. [27 ]
Barberis, E. [57 ]
Baringer, P. [55 ]
Bartlett, J. F. [47 ]
Bassler, U. [16 ]
Bazterra, V. [48 ]
Bean, A. [55 ]
Begalli, M. [2 ]
Bellantoni, L. [47 ]
Beri, S. B. [25 ]
Bernardi, G. [14 ,15 ]
Bernhard, R. [21 ]
Bertram, I. [41 ]
Besancon, M. [16 ]
Beuselinck, R. [42 ]
Bhat, P. C. [47 ]
Bhatia, S. [60 ]
Bhatnagar, V. [25 ]
Blazey, G. [49 ]
Blessing, S. [46 ]
Bloom, K. [61 ]
Boehnlein, A. [47 ]
Boline, D. [66 ]
Boos, E. E. [35 ]
Borissov, G. [41 ]
Brandt, A. [72 ]
Brandt, O. [22 ]
Brock, R. [59 ]
Bross, A. [47 ]
Brown, D. [14 ,15 ]
Bu, X. B. [47 ]
Buehler, M. [47 ]
Buescher, V. [23 ]
机构
[1] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil
[2] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil
[3] Univ Fed ABC, Santo Andre, Brazil
[4] Univ Sci & Technol China, Hefei 230026, Peoples R China
[5] Univ Los Andes, Bogota, Colombia
[6] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic
[7] Czech Tech Univ, CR-16635 Prague, Czech Republic
[8] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
[9] Univ San Francisco Quito, Quito, Ecuador
[10] Univ Blaise Pascal, LPC, CNRS, IN2P3, Clermont, France
[11] Univ Grenoble 1, CNRS, LPSC, Inst Natl Polytech Grenoble,IN2P3, Grenoble, France
[12] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France
[13] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France
[14] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France
[15] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France
[16] CEA, Irfu, SPP, Saclay, France
[17] Univ Strasbourg, IPHC, CNRS, IN2P3, Strasbourg, France
[18] Univ Lyon 1, CNRS, IPNL, IN2P3, F-69622 Villeurbanne, France
[19] Univ Lyon, Lyon, France
[20] Rhein Westfal TH Aachen, Phys Inst A3, Aachen, Germany
[21] Univ Freiburg, Inst Phys, D-79106 Freiburg, Germany
[22] Univ Gottingen, Inst Phys 2, Gottingen, Germany
[23] Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany
[24] Univ Munich, Munich, Germany
[25] Panjab Univ, Chandigarh 160014, India
[26] Univ Delhi, Delhi 110007, India
[27] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India
[28] Univ Coll Dublin, Dublin 2, Ireland
[29] Korea Univ, Korea Detector Lab, Seoul, South Korea
[30] CINVESTAV, Mexico City 14000, DF, Mexico
[31] NIKHEF H, NL-1009 DB Amsterdam, Netherlands
[32] Radboud Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands
[33] Joint Inst Nucl Res, Dubna, Russia
[34] Inst Theoret & Expt Phys, Moscow 117259, Russia
[35] Moscow MV Lomonosov State Univ, Moscow, Russia
[36] Inst High Energy Phys, Protvino, Russia
[37] Petersburg Nucl Phys Inst, St Petersburg, Russia
[38] ICREA, Barcelona, Spain
[39] IFAE, Barcelona, Spain
[40] Uppsala Univ, Uppsala, Sweden
[41] Univ Lancaster, Lancaster LA1 4YB, England
[42] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England
[43] Univ Manchester, Manchester M13 9PL, Lancs, England
[44] Univ Arizona, Tucson, AZ 85721 USA
[45] Univ Calif Riverside, Riverside, CA 92521 USA
[46] Florida State Univ, Tallahassee, FL 32306 USA
[47] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[48] Univ Illinois, Chicago, IL 60607 USA
[49] No Illinois Univ, De Kalb, IL 60115 USA
[50] Northwestern Univ, Evanston, IL 60208 USA
来源
PHYSICAL REVIEW D | 2013年 / 88卷 / 09期
基金
瑞典研究理事会; 巴西圣保罗研究基金会; 美国国家科学基金会;
关键词
BOSON; COLLISIONS; DECAY;
D O I
10.1103/PhysRevD.88.091102
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a measurement of the muon charge asymmetry from the decay of the W boson via W -> mu nu using 7: 3 fb(-1) of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider at root s = 1.96 TeV. The muon charge asymmetry is presented in two kinematic regions in muon transverse momentum and event missing transverse energy: (p(T)(mu) > 25 GeV, E-T > 25 GeV) and (p(T)(mu) > 35 GeV, E-T > 35 GeV). The measured asymmetries are compared with theory predictions made using three parton distribution function sets. The data at p(T)(mu) > 35 GeV, E-T > 35 GeV, and larger values of vertical bar eta(mu)vertical bar favor an increased d(x)/u(x) ratio at higher values of x than is predicted.
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页数:8
相关论文
共 25 条
[1]   Measurement of the W charge asymmetry in the W → μν decay mode in pp collisions at √s=7 TeV with the ATLAS detector [J].
Aad, G. ;
Abbott, B. ;
Abdallah, J. ;
Abdelalim, A. A. ;
Abdesselam, A. ;
Abdinov, O. ;
Abi, B. ;
Abolins, M. ;
Abramowicz, H. ;
Abreu, H. ;
Acerbi, 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. ;
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. ;
Almond, J. .
PHYSICS LETTERS B, 2011, 701 (01) :31-49
[2]   Direct Measurement of the W Production Charge Asymmetry in pp Collisions at √s=1.96 TeV [J].
Aaltonen, T. ;
Adelman, J. ;
Akimoto, T. ;
Alvarez Gonzalez, B. ;
Amerio, S. ;
Amidei, D. ;
Anastassov, A. ;
Annovi, A. ;
Antos, J. ;
Apollinari, G. ;
Apresyan, A. ;
Arisawa, T. ;
Artikov, A. ;
Ashmanskas, W. ;
Attal, A. ;
Aurisano, A. ;
Azfar, F. ;
Azzurri, P. ;
Badgett, W. ;
Barbaro-Galtieri, A. ;
Barnes, V. E. ;
Barnett, B. A. ;
Bartsch, V. ;
Bauer, G. ;
Beauchemin, P. -H. ;
Bedeschi, F. ;
Beecher, D. ;
Behari, S. ;
Bellettini, G. ;
Bellinger, J. ;
Benjamin, D. ;
Beretvas, A. ;
Beringer, J. ;
Bhatti, A. ;
Binkley, M. ;
Bisello, D. ;
Bizjak, I. ;
Blair, R. E. ;
Blocker, C. ;
Blumenfeld, B. ;
Bocci, A. ;
Bodek, A. ;
Boisvert, V. ;
Bolla, G. ;
Bortoletto, D. ;
Boudreau, J. ;
Boveia, A. ;
Brau, B. ;
Bridgeman, A. ;
Brigliadori, L. .
PHYSICAL REVIEW LETTERS, 2009, 102 (18)
[3]   Measurement of the muon charge asymmetry from W boson decays [J].
Abazov, V. M. ;
Abbott, B. ;
Abolins, M. ;
Acharya, B. S. ;
Adams, M. ;
Adams, T. ;
Aguilo, E. ;
Ahn, S. H. ;
Ahsan, M. ;
Alexeev, G. D. ;
Alkhazov, G. ;
Alton, A. ;
Alverson, G. ;
Alves, G. A. ;
Anastasoaie, M. ;
Ancu, L. S. ;
Andeen, T. ;
Anderson, S. ;
Andrieu, B. ;
Anzelc, M. S. ;
Arnoud, Y. ;
Arov, M. ;
Arthaud, M. ;
Askew, A. ;
Asman, B. ;
Jesus, A. C. S. Assis ;
Atramentov, O. ;
Autermann, C. ;
Avila, C. ;
Ay, C. ;
Badaud, F. ;
Baden, A. ;
Bagby, L. ;
Baldin, B. ;
Bandurin, D. V. ;
Banerjee, S. ;
Banerjee, P. ;
Barberis, E. ;
Barfuss, A. -F. ;
Bargassa, P. ;
Baringer, P. ;
Barreto, J. ;
Bartlett, J. F. ;
Bassler, U. ;
Bauer, D. ;
Beale, S. ;
Bean, A. ;
Begalli, M. ;
Begel, M. ;
Belanger-Champagne, C. .
PHYSICAL REVIEW D, 2008, 77 (01)
[4]   A novel method for modeling the recoil in W boson events at hadron colliders [J].
Abazov, V. M. ;
Abbott, B. ;
Abolins, M. ;
Acharya, B. S. ;
Adams, M. ;
Adams, T. ;
Aguilo, E. ;
Ahsan, M. ;
Alexeev, G. D. ;
Alkhazov, G. ;
Alton, A. ;
Alverson, G. ;
Alves, G. A. ;
Ancu, L. S. ;
Andeen, T. ;
Anzelc, M. S. ;
Aoki, M. ;
Arnoud, Y. ;
Arov, M. ;
Arthaud, M. ;
Askew, A. ;
Asman, B. ;
Atramentov, O. ;
Avila, C. ;
BackusMayes, J. ;
Badaud, F. ;
Bagby, L. ;
Baldin, B. ;
Bandurin, D. V. ;
Banerjee, S. ;
Barberis, E. ;
Barfuss, A. -F. ;
Bargassa, P. ;
Baringer, R. ;
Barreto, J. ;
Bartlett, J. F. ;
Bassler, U. ;
Bauer, D. ;
Beale, S. ;
Bean, A. ;
Begalli, M. ;
Begel, M. ;
Belanger-Champagne, C. ;
Bellantoni, L. ;
Bellavance, A. ;
Benitez, J. A. ;
Beri, S. B. ;
Bernardi, G. ;
Bernhard, R. ;
Bertram, I. .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2009, 609 (2-3) :250-262
[5]   Measurement of the Electron Charge Asymmetry in p(p)over-bar → W plus X → eν plus X Events at √s=1.96 TeV [J].
Abazov, V. M. ;
Abbott, B. ;
Abolins, M. ;
Acharya, B. S. ;
Adams, M. ;
Adams, T. ;
Aguilo, E. ;
Ahsan, M. ;
Alexeev, G. D. ;
Alkhazov, G. ;
Alton, A. ;
Alverson, G. ;
Alves, G. A. ;
Anastasoaie, M. ;
Ancu, L. S. ;
Andeen, T. ;
Andrieu, B. ;
Anzelc, M. S. ;
Aoki, M. ;
Arnoud, Y. ;
Arov, M. ;
Arthaud, M. ;
Askew, A. ;
Asman, B. ;
Assis Jesus, A. C. S. ;
Atramentov, O. ;
Avila, C. ;
Badaud, F. ;
Bagby, L. ;
Baldin, B. ;
Bandurin, D. V. ;
Banerjee, P. ;
Banerjee, S. ;
Barberis, E. ;
Barfuss, A. -F. ;
Bargassa, P. ;
Baringer, P. ;
Barreto, J. ;
Bartlett, J. F. ;
Bassler, U. ;
Bauer, D. ;
Beale, S. ;
Bean, A. ;
Begalli, M. ;
Begel, M. ;
Belanger-Champagne, C. ;
Bellantoni, L. ;
Bellavance, A. ;
Benitez, J. A. ;
Beri, S. B. .
PHYSICAL REVIEW LETTERS, 2008, 101 (21)
[6]   The upgraded DO detector [J].
Abazov, V. M. ;
Abbott, B. ;
Abolins, M. ;
Acharya, B. S. ;
Adams, D. L. ;
Adams, M. ;
Adams, T. ;
Agelou, M. ;
Agram, J. -L. ;
Ahmed, S. N. ;
Ahn, S. H. ;
Ahsan, M. ;
Alexeev, G. D. ;
Alkhazov, G. ;
Alton, A. ;
Alverson, G. ;
Alves, G. A. ;
Anastasoaie, M. ;
Andeen, T. ;
Anderson, J. T. ;
Anderson, S. ;
Andrieu, B. ;
Angstadt, R. ;
Anosov, V. ;
Arnoud, Y. ;
Arov, M. ;
Askew, A. ;
Asman, B. ;
Assis Jesus, A. C. S. ;
Atramentov, O. ;
Autermann, C. ;
Avila, C. ;
Babukhadia, L. ;
Bacon, T. C. ;
Badaud, F. ;
Baden, A. ;
Baffioni, S. ;
Bagby, L. ;
Baldin, B. ;
Balm, P. W. ;
Banerjee, P. ;
Banerjee, S. ;
Barberis, E. ;
Bardon, O. ;
Barg, W. ;
Bargassa, P. ;
Baringer, P. ;
Barnes, C. ;
Barreto, J. ;
Bartlett, J. F. .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2006, 565 (02) :463-537
[7]  
Abazov V.M., 2012, Phys. Rev. D, V85, p091104(R)
[8]  
Abazov V. M., ARXIV13075202 D0 COL
[9]   Measurement of the lepton charge asymmetry in W-boson decays produced in p(p)over-bar collisions [J].
Abe, F ;
Akimoto, H ;
Akopian, A ;
Albrow, MG ;
Amadon, A ;
Amendolia, SR ;
Amidei, D ;
Antos, J ;
Aota, S ;
Apollinari, G ;
Arisawa, T ;
Asakawa, T ;
Ashmanskas, W ;
Atac, M ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Bagdasarov, S ;
Bailey, MW ;
de Barbaro, P ;
Barbaro-Galtieri, A ;
Barnes, VE ;
Barnett, BA ;
Barone, M ;
Bauer, G ;
Baumann, T ;
Bedeschi, F ;
Behrends, S ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Benjamin, D ;
Bensinger, J ;
Beretvas, A ;
Berge, JP ;
Berryhill, J ;
Bertolucci, S ;
Bettelli, S ;
Bevensee, B ;
Bhatti, A ;
Biery, K ;
Bigongiari, C ;
Binkley, M ;
Bisello, D ;
Blair, RE ;
Blocker, C ;
Blusk, S ;
Bodek, A ;
Bokhari, W ;
Bolla, G ;
Bonushkin, Y .
PHYSICAL REVIEW LETTERS, 1998, 81 (26) :5754-5759
[10]   CHARGE ASYMMETRY IN W-BOSON DECAYS PRODUCED IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8 TEV [J].
ABE, F ;
ALBROW, MG ;
AMIDEI, D ;
ANTOS, J ;
ANWAYWIESE, C ;
APOLLINARI, G ;
ARETI, H ;
ATAC, M ;
AUCHINCLOSS, P ;
AZFAR, F ;
AZZI, P ;
BACCHETTA, N ;
BADGETT, W ;
BAILEY, MW ;
BAO, J ;
DEBARBARO, P ;
BARBAROGALTIERI, A ;
BARNES, VE ;
BARNETT, BA ;
BARTALINI, P ;
BAUER, G ;
BAUMANN, T ;
BEDESCHI, F ;
BEHRENDS, S ;
BELFORTE, S ;
BELLETTINI, G ;
BELLINGER, J ;
BENJAMIN, D ;
BENLLOCH, J ;
BENSINGER, J ;
BENTON, D ;
BERETVAS, A ;
BERGE, JP ;
BERTOLUCCI, S ;
BHATTI, A ;
BIERY, K ;
BINKLEY, M ;
BIRD, F ;
BISELLO, D ;
BLAIR, RE ;
BLOCKER, C ;
BODEK, A ;
BOKHARI, W ;
BOLOGNESI, V ;
BORTOLETTO, D ;
BOSWELL, C ;
BOULOS, T ;
BRANDENBURG, G ;
BUCKLEYGEER, E ;
BUDD, HS .
PHYSICAL REVIEW LETTERS, 1995, 74 (06) :850-854