Measurement of the Semileptonic CP Asymmetry in B0-(B)over-bar0 Mixing

被引:30
作者
Aaij, R. [42 ]
Adeva, B. [38 ]
Adinolfi, M. [47 ]
Affolder, A. [53 ,72 ]
Ajaltouni, Z. [5 ]
Akar, S. [6 ]
Albrecht, J. [9 ]
Alessio, F. [39 ]
Alexander, M. [52 ]
Ali, S. [42 ]
Alkhazov, G. [30 ]
Cartelle, P. Alvarez [38 ]
Alves, A. A., Jr. [25 ,39 ]
Amato, S. [2 ]
Amerio, S. [22 ]
Amhis, Y. [7 ]
An, L. [3 ]
Anderlini, L. [17 ,75 ]
Anderson, J. [41 ]
Andreassen, R. [58 ]
Andreotti, M. [16 ,76 ]
Andrews, J. E. [59 ]
Appleby, R. B. [55 ]
Gutierrez, O. Aquines [10 ]
Archilli, F. [39 ]
Artamonov, A. [36 ]
Artuso, M. [60 ]
Aslanides, E. [6 ]
Auriemma, G. [25 ,77 ]
Baalouch, M. [5 ]
Bachmann, S. [11 ]
Back, J. J. [49 ]
Badalov, A. [37 ]
Baesso, C. [61 ,62 ]
Baldini, W. [16 ]
Barlow, R. J. [55 ]
Barschel, C. [39 ]
Barsuk, S. [7 ]
Barter, W. [48 ]
Batozskaya, V. [28 ]
Battista, V. [40 ]
Bay, A. [40 ]
Beaucourt, L. [4 ]
Beddow, J. [52 ]
Bedeschi, F. [23 ]
Bediaga, I. [1 ]
Belogurov, S. [31 ]
Belous, K. [36 ]
Belyaev, I. [31 ]
Ben-Haim, E. [8 ]
机构
[1] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[2] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil
[3] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
[4] Univ Savoie, LAPP, CNRS, IN2P3, Annecy Le Vieux, France
[5] Univ Blaise Pascal, Clermont Univ, LPC, CNRS IN2P3, Clermont Ferrand, France
[6] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France
[7] Univ Paris 11, LAL, CNRS, IN2P3, Orsay, France
[8] Univ Paris Diderot, Univ Paris 06, LPNHE, CNRS IN2P3, Paris, France
[9] Tech Univ Dortmund, Fac Phys, D-44221 Dortmund, Germany
[10] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[11] Heidelberg Univ, Inst Phys, Heidelberg, Germany
[12] Univ Coll Dublin, Sch Phys, Dublin 2, Ireland
[13] Sez INFN Bari, Bari, Italy
[14] Sez INFN Bologna, Bologna, Italy
[15] Sez INFN Cagliari, Cagliari, Italy
[16] Sez INFN Ferrara, Ferrara, Italy
[17] Sez INFN Firenze, Florence, Italy
[18] Lab Nazl INFN Frascati, Frascati, Italy
[19] Sez INFN Genova, Genoa, Italy
[20] Sez INFN Milano Bicocca, Milan, Italy
[21] Sez INFN Milano, Milan, Italy
[22] Sez INFN Padova, Padua, Italy
[23] Sez INFN Pisa, Pisa, Italy
[24] Sez INFN Roma Tor Vergata, Rome, Italy
[25] Sez INFN Roma Sapienza, Rome, Italy
[26] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland
[27] Univ Sci & Technol, AGH, Fac Phys & Appl Comp Sci, Krakow, Poland
[28] Natl Ctr Nucl Res, Warsaw, Poland
[29] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest 077125, Romania
[30] PNPI, Gatchina, Russia
[31] Inst Theoret & Expt Phys, Moscow 117259, Russia
[32] Moscow MV Lomonosov State Univ, Inst Nucl Phys, SINP MSU, Moscow, Russia
[33] INR RAN, Moscow, Russia
[34] SB RAS, Budker Inst Nucl Phys, Novosibirsk, Russia
[35] Novosibirsk State Univ, Novosibirsk 630090, Russia
[36] Inst High Energy Phys, Protvino, Russia
[37] Univ Barcelona, Barcelona, Spain
[38] Univ Santiago de Compostela, Santiago De Compostela, Spain
[39] CERN, European Org Nucl Res, Geneva, Switzerland
[40] Ecole Polytech Fed Lausanne, Lausanne, Switzerland
[41] Univ Zurich, Inst Phys, Zurich, Switzerland
[42] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands
[43] Vrije Univ Amsterdam, Amsterdam, Netherlands
[44] NSC KIPT, Kharkov, Ukraine
[45] Natl Acad Sci, Inst Nucl Res, KINR, Kiev, Ukraine
[46] Univ Birmingham, Birmingham, W Midlands, England
[47] Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England
[48] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[49] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
[50] STFC Rutherford Appleton Lab, Didcot, Oxon, England
基金
美国国家科学基金会;
关键词
TOTAL CROSS-SECTIONS; PROTONS; DEUTERONS; DECAY; PBAR;
D O I
10.1103/PhysRevLett.114.041601
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The semileptonic CP asymmetry in B-0-(B) over bar (0) mixing, a(s1)(d), is measured in proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb(-1), recorded by the LHCb experiment. Semileptonic B-0 decays are reconstructed in the inclusive final states D-mu(+) and D*(-)mu(+), where the D- meson decays into the K+pi(-)pi(-) final state and the D*(-) meson into the (D) over bar (0)(-> K+pi(-))pi(-) final state. The asymmetry between the numbers of D-(*()-)mu(+) and D-(*()+)mu(-) decays is measured as a function of the decay time of the B-0 mesons. The CP asymmetry is measured to be a(s1)(d) = (-0.02 +/- 0.19 +/- 0.30)%, where the first uncertainty is statistical and the second systematic. This is the most precise measurement of a(s1)(d) to date and is consistent with the prediction from the standard model.
引用
收藏
页数:9
相关论文
共 33 条
  • [1] Measurement of the (B)over-bar0-B0 and (B)over-bars0-Bs0 production asymmetries in pp collisions at √s=7 TeV
    Aaij, R.
    Adeva, B.
    Adinolfi, M.
    Affolder, A.
    Ajaltouni, Z.
    Akar, S.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Ali, S.
    Alkhazov, G.
    Alvarez Cartelle, P.
    Alves, A. A., Jr.
    Amato, S.
    Amerio, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Anderson, J.
    Andreassen, R.
    Andreotti, M.
    Andrews, J. E.
    Appleby, R. B.
    Gutierrez, O. Aquines
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Baalouch, M.
    Bachmann, S.
    Back, J. J.
    Badalov, A.
    Baldini, W.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Batozskaya, V.
    Battista, V.
    Bay, A.
    Beaucourt, L.
    Beddow, J.
    Bedeschi, F.
    Bediaga, I.
    Belogurov, S.
    Belous, K.
    Belyaev, I.
    Ben-Haim, E.
    Bencivenni, G.
    [J]. PHYSICS LETTERS B, 2014, 739 : 218 - 228
  • [2] Measurement of CP asymmetries in the decays B0 → K*0 μ+ μ- and B+ → K+ μ+ μ-
    Aaij, R.
    Adeva, B.
    Adinolfi, M.
    Affolder, A.
    Ajaltouni, Z.
    Akar, S.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Ali, S.
    Alkhazov, G.
    Cartelle, P. Alvarez
    Alves, A. A., Jr.
    Amato, S.
    Amerio, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Anderson, J.
    Andreassen, R.
    Andreotti, M.
    Andrews, J. E.
    Appleby, R. B.
    Gutierrez, O. Aquines
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Baalouch, M.
    Bachmann, S.
    Back, J. J.
    Badalov, A.
    Baldini, W.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Batozskaya, V.
    Battista, V.
    Bay, A.
    Beaucourt, L.
    Beddow, J.
    Bedeschi, F.
    Bediaga, I.
    Belogurov, S.
    Belous, K.
    Belyaev, I.
    Ben-Haim, E.
    Bencivenni, G.
    [J]. JOURNAL OF HIGH ENERGY PHYSICS, 2014, (09):
  • [3] Observation of the Λb0 → J/ψ pπ- decay
    Aaij, R.
    Adeva, B.
    Adinolfi, M.
    Affolder, A.
    Ajaltouni, Z.
    Akar, S.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Ali, S.
    Alkhazov, G.
    Cartelle, P. Alvarez
    Alves, A. A., Jr.
    Amato, S.
    Amerio, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Anderson, J.
    Andreassen, R.
    Andreotti, M.
    Andrews, J. E.
    Appleby, R. B.
    Gutierrez, Aquines
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Baalouch, M.
    Babeanu, A.
    Bachmann, S.
    Back, J. J.
    Badalov, A.
    Balagura, V.
    Baldini, W.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Batozskaya, V.
    Battista, V.
    Bay, A.
    Beaucourt, L.
    Beddow, J.
    Bedeschi, F.
    Bediagal, I.
    Belogurov, S.
    Belous, K.
    Belyaev, I.
    [J]. JOURNAL OF HIGH ENERGY PHYSICS, 2014, (07):
  • [4] Precision Measurement of the Mass and Lifetime of the Ξb0 Baryon
    Aaij, R.
    Adeva, B.
    Adinolfi, M.
    Affolder, A.
    Ajaltouni, Z.
    Akar, S.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Ali, S.
    Alkhazov, G.
    Alvarez Cartelle, P.
    Alves, A. A., Jr.
    Amato, S.
    Amerio, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Anderson, J.
    Andreassen, R.
    Andreotti, M.
    Andrews, J. E.
    Appleby, R. B.
    Gutierrez, O. Aquines
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Baalouch, M.
    Bachmann, S.
    Back, J. J.
    Badalov, A.
    Balagura, V.
    Baldini, W.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Batozskaya, V.
    Battista, V.
    Bay, A.
    Beaucourt, L.
    Beddow, J.
    Bedeschi, F.
    Bediaga, I.
    Belogurov, S.
    Belous, K.
    Belyaev, I.
    Ben-Haim, E.
    [J]. PHYSICAL REVIEW LETTERS, 2014, 113 (03)
  • [5] Measurement of CP asymmetry in D0 → K- K+ and D0 → π- π+ decays
    Aaij, R.
    Adeva, B.
    Adinolfi, M.
    Affolder, A.
    Ajaltouni, Z.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Ali, S.
    Alkhazov, G.
    Cartelle, P. Alvarez
    Alves, A. A., Jr.
    Amato, S.
    Amerio, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Anderson, J.
    Andreassen, R.
    Andreotti, M.
    Andrews, J. E.
    Appleby, R. B.
    Gutierrez, O. Aquines
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Baalouch, M.
    Bachmann, S.
    Back, J. J.
    Badalov, A.
    Balagura, V.
    Baldini, W.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Batozskaya, V.
    Bauer, Th
    Bay, A.
    Beaucourt, L.
    Beddow, J.
    Bedeschi, F.
    Bediaga, I.
    Belogurov, S.
    Belous, K.
    Belyaev, I.
    Ben-Haim, E.
    Bencivenni, G.
    [J]. JOURNAL OF HIGH ENERGY PHYSICS, 2014, (07):
  • [6] Measurement of the flavour-specific CP-violating asymmetry asls in Bs0 decays
    Aaij, R.
    Adeva, B.
    Adinolfi, M.
    Adrover, C.
    Affolder, A.
    Ajaltouni, Z.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Ali, S.
    Alkhazov, G.
    Alvarez Cartelle, P.
    Alves, A. A., Jr.
    Amato, S.
    Amerio, S.
    Amhis, Y.
    Anderlini, L.
    Anderson, J.
    Andreassen, R.
    Andrews, J. E.
    Appleby, R. B.
    Gutierrez, O. Aquines
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Baalouch, M.
    Bachmann, S.
    Back, J. J.
    Baesso, C.
    Balagura, V.
    Baldini, W.
    Barlow, R. J.
    Barsche, C.
    Barsuk, S.
    Barter, W.
    Bauer, Th.
    Bay, A.
    Beddow, J.
    Bedeschi, F.
    Bediaga, I.
    Belogurov, S.
    Belous, K.
    Belyaev, I.
    Ben-Haim, E.
    Bencivenni, G.
    Benson, S.
    Benton, J.
    Berezhnoy, A.
    [J]. PHYSICS LETTERS B, 2014, 728 : 607 - 615
  • [7] The LHCb trigger and its performance in 2011
    Aaij, R.
    Albrecht, J.
    Alessio, F.
    Amato, S.
    Aslanides, E.
    Belyaev, I.
    van Beuzekom, M.
    Bonaccorsi, E.
    Bonnefoy, R.
    Brarda, L.
    Callot, O.
    Cattaneo, M.
    Chanal, H.
    Chebbi, M.
    Cid Vidal, X.
    Clemencic, M.
    Closier, J.
    Coco, V.
    Cogan, J.
    Deschamps, O.
    Dijkstra, H.
    Drancourt, C.
    Dzhelyadin, R.
    Frank, M.
    Gandelman, M.
    Gaspar, C.
    Gligorov, V. V.
    Goebel, C.
    Cardoso, L. A. Granado
    Guz, Yu.
    Haen, C.
    He, J.
    van Herwijnen, E.
    Hulsbergen, W.
    Jacobsson, R.
    Jost, B.
    Karbach, T. M.
    Kerzel, U.
    Koppenburg, P.
    Krocker, G.
    Langenbruch, C.
    Lax, I.
    Le Gac, R.
    Lefevre, R.
    Lefranccois, J.
    Leroy, O.
    Gioi, L. Li
    Liu, G.
    Machefert, F.
    Machikhiliyan, I. V.
    [J]. JOURNAL OF INSTRUMENTATION, 2013, 8
  • [8] Measurement of b hadron production fractions in 7 TeV pp collisions
    Aaji, R.
    Abellan Beteta, C.
    Adeva, B.
    Adinolfi, M.
    Adrover, C.
    Affolder, A.
    Ajaltouni, Z.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Alkhazov, G.
    Alvarez Cartelle, P.
    Alves, A. A., Jr.
    Amato, S.
    Amhis, Y.
    Anderson, J.
    Appleby, R. B.
    Gutierrez, O. Aquines
    Archilli, F.
    Arrabito, L.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Bachmann, S.
    Back, J. J.
    Bailey, D. S.
    Balagura, V.
    Baldini, W.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Bates, A.
    Bauer, C.
    Bauer, Th.
    Bay, A.
    Bediaga, I.
    Belous, K.
    Belyaev, I.
    Ben-Haim, E.
    Benayoun, M.
    Bencivenni, G.
    Benson, S.
    Benton, J.
    Bernet, R.
    Bettler, M-O
    van Beuzekom, M.
    Bien, A.
    Bifani, S.
    [J]. PHYSICAL REVIEW D, 2012, 85 (03)
  • [9] Study of CP-violating charge asymmetries of single muons and like-sign dimuons in p(p)over-bar collisions
    Abazov, V. M.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Agnew, J. P.
    Alexeev, G. D.
    Alkhazov, G.
    Alton, A.
    Askew, A.
    Atkins, S.
    Augsten, K.
    Avila, C.
    Badaud, F.
    Bagby, L.
    Baldin, B.
    Bandurin, D. V.
    Banerjee, S.
    Barberis, E.
    Baringer, P.
    Bartlett, J. F.
    Bassler, U.
    Bazterra, V.
    Bean, A.
    Begalli, M.
    Bellantoni, L.
    Beri, S. B.
    Bernardi, G.
    Bernhard, R.
    Bertram, I.
    Besancon, M.
    Beuselinck, R.
    Bhat, P. C.
    Bhatia, S.
    Bhatnagar, V.
    Blazey, G.
    Blessing, S.
    Bloom, K.
    Boehnlein, A.
    Boline, D.
    Boos, E. E.
    Borissov, G.
    Brandt, A.
    Brandt, O.
    Brock, R.
    Bross, A.
    Brown, D.
    Bu, X. B.
    Buehler, M.
    Buescher, V.
    [J]. PHYSICAL REVIEW D, 2014, 89 (01):
  • [10] Measurement of the semileptonic charge asymmetry in B0 meson mixing with the D0 detector
    Abazov, V. M.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Alexeev, G. D.
    Alkhazov, G.
    Alton, A.
    Askew, A.
    Atkins, S.
    Augsten, K.
    Avila, C.
    Badaud, F.
    Bagby, L.
    Baldin, B.
    Bandurin, D. V.
    Banerjee, S.
    Barberis, E.
    Baringer, P.
    Bartlett, J. F.
    Bassler, U.
    Bazterra, V.
    Bean, A.
    Begalli, M.
    Bellantoni, L.
    Beri, S. B.
    Bernardi, G.
    Bernhard, R.
    Bertram, I.
    Besancon, M.
    Beuselinck, R.
    Bhat, P. C.
    Bhatia, S.
    Bhatnagar, V.
    Blazey, G.
    Blessing, S.
    Bloom, K.
    Boehnlein, A.
    Boline, D.
    Boos, E. E.
    Borissov, G.
    Brandt, A.
    Brandt, O.
    Brock, R.
    Bross, A.
    Brown, D.
    Brown, J.
    Bu, X. B.
    Buehler, M.
    Buescher, V.
    [J]. PHYSICAL REVIEW D, 2012, 86 (07):