Measurement of the Difference of Time-Integrated CP Asymmetries in D0 → K-K+ and D0 → π-π+ Decays

被引:38
作者
Aaij, R. [40 ]
Abellan Beteta, C. [42 ]
Adeva, B. [39 ]
Adinolfi, M. [48 ]
Affolder, A. [54 ]
Ajaltouni, Z. [5 ]
Akar, S. [6 ]
Albrecht, J. [10 ]
Alessio, F. [40 ]
Alexander, M. [53 ]
Ali, S. [43 ]
Alkhazov, G. [31 ]
Alvarez Cartelle, P. [55 ]
Alves, A. A., Jr. [59 ]
Amato, S. [2 ]
Amerio, S. [23 ]
Amhis, Y. [7 ]
An, L. [3 ,41 ]
Anderlini, L. [18 ]
Andreassi, G. [41 ]
Andreotti, M. [17 ,70 ]
Andrews, J. E. [60 ]
Appleby, R. B. [56 ]
Aquines Gutierrez, O. [11 ]
Archilli, F. [40 ]
d'Argent, P. [12 ]
Artamonov, A. [37 ]
Artuso, M. [61 ]
Aslanides, E. [6 ]
Auriemma, G. [26 ,71 ]
Baalouch, M. [5 ]
Bachmann, S. [12 ]
Back, J. J. [50 ]
Badalov, A. [38 ]
Baesso, C. [62 ]
Baldini, W. [17 ,40 ]
Barlow, R. J. [56 ]
Barschel, C. [40 ]
Barsuk, S. [7 ]
Barter, W. [40 ]
Batozskaya, V. [29 ]
Battista, V. [41 ]
Bay, A. [41 ]
Beaucourt, L. [4 ]
Beddow, J. [53 ]
Bedeschi, F. [24 ]
Bediaga, I. [1 ]
Bel, L. J. [43 ]
Bellee, V. [41 ]
Belloli, N. [21 ,72 ]
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 Mont Blanc, LAPP, CNRS, IN2P3, Annecy Le Vieux, France
[5] Univ Blaise Pascal, Clermont Univ, CNRS, IN2P3,LPC, Clermont Ferrand, France
[6] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France
[7] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France
[8] Univ Paris Diderot, Univ Paris 06, LPNHE, CNRS,IN2P3, Paris, France
[9] Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany
[10] Tech Univ Dortmund, Fak Phys, D-44221 Dortmund, Germany
[11] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[12] Heidelberg Univ, Inst Phys, Heidelberg, Germany
[13] Univ Coll Dublin, Sch Phys, Dublin 2, Ireland
[14] Sez INFN Bari, Bari, Italy
[15] Sez INFN Bologna, Bologna, Italy
[16] Sez INFN Cagliari, Cagliari, Italy
[17] Sez INFN Ferrara, Ferrara, Italy
[18] Sez INFN Firenze, Florence, Italy
[19] Lab Nazl INFN Frascati, Frascati, Italy
[20] Sez INFN Genova, Genoa, Italy
[21] Sez INFN Milano Bicocca, Milan, Italy
[22] Sez INFN Milano, Milan, Italy
[23] Sez INFN Padova, Padua, Italy
[24] Sez INFN Pisa, Pisa, Italy
[25] Sez INFN Roma Tor Vergata, Rome, Italy
[26] Sez INFN Roma La Sapienza, Rome, Italy
[27] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland
[28] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland
[29] Natl Ctr Nucl Res NCBJ, Warsaw, Poland
[30] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest 077125, Romania
[31] PNPI, Gatchina, Russia
[32] Inst Theoret & Expt Phys, Moscow 117259, Russia
[33] Moscow State Univ SINP MSU, Inst Nucl Phys, Moscow, Russia
[34] Russian Acad Sci INR RAN, Inst Nucl Res, Moscow, Russia
[35] Budker Inst Nucl Phys SB RAS, Novosibirsk, Russia
[36] Novosibirsk State Univ, Novosibirsk 630090, Russia
[37] Inst High Energy Phys, Protvino, Russia
[38] Univ Barcelona, Barcelona, Spain
[39] Univ Santiago de Compostela, Santiago De Compostela, Spain
[40] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland
[41] Ecole Polytech Fed Lausanne, Lausanne, Switzerland
[42] Univ Zurich, Inst Phys, CH-8001 Zurich, Switzerland
[43] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands
[44] Vrije Univ Amsterdam, Amsterdam, Netherlands
[45] NSC Kharkiv Inst Phys & Technol NSC KIPT, Kharkiv, Ukraine
[46] Natl Acad Sci KINR, Inst Nucl Res, Kiev, Ukraine
[47] Univ Birmingham, Birmingham, W Midlands, England
[48] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England
[49] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[50] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
关键词
VIOLATION; SEARCH;
D O I
10.1103/PhysRevLett.116.191601
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A search for CP violation in D-0 -> K-K+ and D-0 -> pi(-)pi(+) decays is performed using pp collision data, corresponding to an integrated luminosity of 3 fb(-1), collected using the LHCb detector at center-of-mass energies of 7 and 8 TeV. The flavor of the charm meson is inferred from the charge of the pion in D*(+) -> D-0 pi(+) and D*(-) -> (D) over bar (0)pi(-) decays. The difference between the CP asymmetries in D-0 -> K-K+ and D-0 -> pi(-)pi(+) decays, Delta A(CP) A(CP)(K-K+) - A(CP)(pi(-)pi(+)), is measured to be [-0.10 +/- 0.08(stat) +/- 0.03(syst)]%. This is the most precise measurement of a time-integrated CP asymmetry in the charm sector from a single experiment.
引用
收藏
页数:10
相关论文
共 47 条
  • [1] Study of the production of Ab0 and (B)over-bar0 hadrons in pp collisions and first measurement of the Ab0→J/ψ pK- branching fraction
    Aaij, R.
    Adeva, B.
    Adinoffi, 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.
    Andreassi, G.
    Andreotti, M.
    Andrews, J. E.
    Appleby, R. B.
    Gutierrez, O. Aquines
    Archilli, F.
    d'Argent, P.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Baalouch, M.
    Bachmann, S.
    Back, J. J.
    Badalov, A.
    Baesso, C.
    Baldini, W.
    Barlow, R. J.
    Barsche, C.
    Barsuk, S.
    Barter, W.
    Batozskaya, V.
    Battista, V.
    Bay, A.
    Beaucourt, L.
    Beddow, J.
    Bedeschi, F.
    Bediagal, I.
    Be, L. J.
    Bellee, V.
    Belloli, N.
    [J]. CHINESE PHYSICS C, 2016, 40 (01)
  • [2] Measurement of indirect CP asymmetries in D0 → K-K+ and D0 → π-π+ decays using semileptonic B decays
    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.
    Baesso, C.
    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.
    Belyaev, I.
    Ben-Haim, E.
    Bencivenni, G.
    [J]. JOURNAL OF HIGH ENERGY PHYSICS, 2015, (04):
  • [3] LHCb detector performance
    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.
    Baesso, C.
    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]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2015, 30 (07):
  • [4] Measurement of the Semileptonic CP Asymmetry in B0-(B)over-bar0 Mixing
    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.
    Baesso, C.
    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, 2015, 114 (04)
  • [5] 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
  • [6] 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):
  • [7] Measurements of Indirect CP Asymmetries in D0 → K-K+ and D0 → π-π+ Decays
    Aaij, R.
    Adeva, B.
    Adinolfi, M.
    Adrover, C.
    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.
    Anderlini, L.
    Anderson, J.
    Andreassen, R.
    Andrews, J. E.
    Appleby, R. B.
    Aquines Gutierrez, O.
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Baalouch, M.
    Bachmann, S.
    Back, J. J.
    Badalov, A.
    Baesso, C.
    Balagura, V.
    Baldini, W.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Bauer, T.
    Bay, A.
    Beddow, J.
    Bedeschi, F.
    Bediaga, I.
    Belogurov, S.
    Belous, K.
    Belyaev, I.
    Ben-Haim, E.
    Bencivenni, G.
    Benson, S.
    Benton, J.
    [J]. PHYSICAL REVIEW LETTERS, 2014, 112 (04)
  • [8] Measurement of D0-(D)over-bar0 Mixing Parameters and Search for CP Violation Using D0 → K+ π- 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.
    Badalov, A.
    Baesso, C.
    Balagura, V.
    Baldini, W.
    Barlow, R. J.
    Barschel, 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.
    [J]. PHYSICAL REVIEW LETTERS, 2013, 111 (25)
  • [9] First Observation of CP Violation in the Decays of Bs0 Mesons
    Aaij, R.
    Abellan Beteta, C.
    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.
    Appleby, R. B.
    Aquines Gutierrez, O.
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Bachmann, S.
    Back, J. J.
    Baesso, C.
    Balagura, V.
    Baldini, W.
    Barlow, R. J.
    Barschel, 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.
    Bernet, R.
    [J]. PHYSICAL REVIEW LETTERS, 2013, 110 (22)
  • [10] Observation of D0 - (D)over-bar0 Oscillations
    Aaij, R.
    Abellan Beteta, C.
    Adametz, A.
    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.
    Amhis, Y.
    Anderlini, L.
    Anderson, J.
    Andreassen, R.
    Appleby, R. B.
    Gutierrez, O. Aquines
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Auriemma, G.
    Bachmann, S.
    Back, J. J.
    Baesso, C.
    Baldini, W.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Bates, A.
    Bauer, Th.
    Bay, A.
    Beddow, J.
    Bediaga, I.
    Belogurov, S.
    Belous, K.
    Belyaev, I.
    Ben-Haim, E.
    Benayoun, M.
    Bencivenni, G.
    Benson, S.
    Benton, J.
    Berezhnoy, A.
    Bernet, R.
    [J]. PHYSICAL REVIEW LETTERS, 2013, 110 (10)