Evidence for the decays B0 → (D)over-bar(*)0φ and updated measurements of the branching fractions of the Bs0 → (D)over-bar(*)0φ decays

被引:0
|
作者
Aaij, R. [33 ]
Abdelmotteleb, A. S. W. [52 ]
Beteta, C. Abellan [46 ]
Abudinen, F. [52 ]
Ackernley, T. [56 ]
Adeva, B. [42 ]
Adinolfi, M. [50 ]
Adlarson, P. [78 ]
Afsharnia, H. [9 ]
Agapopoulou, C. [44 ]
Aidala, C. A. [79 ]
Ajaltouni, Z. [9 ]
Akar, S. [61 ]
Akiba, K. [33 ]
Albicocco, P. [23 ]
Albrecht, J. [15 ]
Alessio, F. [44 ]
Alexander, M. [55 ]
Albero, A. Alfonso [41 ]
Aliouche, Z. [58 ]
Cartelle, P. Alvarez [51 ]
Amalric, R. [13 ]
Amato, S. [2 ]
Amey, J. L. [50 ]
Amhis, Y. [11 ,44 ]
An, L. [5 ]
Anderlini, L. [22 ]
Andersson, M. [46 ]
Andreianov, A. [39 ]
Andreotti, M. [21 ]
Andreou, D. [64 ]
Ao, D. [6 ]
Archilli, F. [32 ,98 ]
Artamonov, A. [39 ]
Artuso, M. [64 ]
Aslanides, E. [10 ]
Atzeni, M. [46 ]
Audurier, B. [12 ]
Perea, I. B. Bachiller [8 ]
Bachmann, S. [17 ]
Bachmayer, M. [45 ]
Back, J. J. [52 ]
Bailly-reyre, A. [13 ]
Rodriguez, P. Baladron [42 ]
Balagura, V. [12 ]
Baldini, W. [21 ,44 ]
Leite, J. Baptista de Souza [1 ]
Barbetti, M. [22 ,89 ]
Barbosa, I. R. [66 ]
Barlow, R. J. [58 ]
机构
[1] CBPF, Rio De Janeiro, Brazil
[2] Univ Fed Rio de Janeiro, Rio de Janeiro, Brazil
[3] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China
[4] IHEP, Beijing, Peoples R China
[5] Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China
[6] Univ Chinese Acad Sci, Beijing, Peoples R China
[7] Cent China Normal Univ, Inst Particle Phys, Wuhan, Hubei, Peoples R China
[8] Univ Savoie Mt Blanc, CNRS, IN2P3, LAPP, Annecy, France
[9] Univ Clermont Auvergne, LPC, CNRS, IN2P3, Clermont Ferrand, France
[10] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France
[11] Univ Paris Saclay, CNRS, IN2P3, IJCLab, Orsay, France
[12] Inst Polytech Paris, Ecole Polytech, Lab Leprince Ringuet, CNRS,IN2P3, Palaiseau, France
[13] Sorbonne Univ, Paris Diderot Sorbonne Paris Cite, LPNHE, CNRS,IN2P3, Paris, France
[14] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany
[15] Tech Univ Dortmund, Fak Phys, Dortmund, Germany
[16] MPIK, Heidelberg, Germany
[17] Heidelberg Univ, Phys Inst, Heidelberg, Germany
[18] Univ Coll Dublin, Sch Phys, Dublin, Ireland
[19] INFN, Sez Bari, Bari, Italy
[20] INFN, Sez Bologna, Bologna, Italy
[21] INFN, Sez Ferrara, Ferrara, Italy
[22] INFN, Sez Firenze, Florence, Italy
[23] INFN, Lab Nazl Frascati, Frascati, Italy
[24] INFN, Sez Genova, Genoa, Italy
[25] INFN, Sez Milano, Milan, Italy
[26] INFN, Sez Milano Bicocca, Milan, Italy
[27] INFN, Sez Cagliari, Monserrato, Italy
[28] Univ Padua, Padua, Italy
[29] INFN, Padua, Italy
[30] INFN, Sez Pisa, Pisa, Italy
[31] INFN, Sez Roma La Sapienza, Rome, Italy
[32] INFN, Sez Roma Tor Vergata, Rome, Italy
[33] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands
[34] Vrije Univ Amsterdam, Amsterdam, Netherlands
[35] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland
[36] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland
[37] Natl Ctr Nucl Res NCBJ, Warsaw, Poland
[38] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania
[39] CERN, Geneva, Switzerland
[40] Univ Ramon Llull, DS4DS, Barcelona, Spain
[41] Univ Barcelona, ICCUB, Barcelona, Spain
[42] Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain
[43] CSIC, Ctr Mixto Univ Valencia, Inst Fis Corpuscular, Valencia, Spain
[44] European Org Nucl Res CERN, Geneva, Switzerland
[45] Ecole Polytech Fed Lausanne, Inst Phys, Lausanne, Switzerland
[46] Univ Zurich, Phys Inst, Zurich, Switzerland
[47] NSC KIPT, Kharkiv, Ukraine
[48] Natl Acad Sci KINR, Inst Nucl Res, Kiev, Ukraine
[49] Univ Birmingham, Birmingham, W Midlands, England
[50] Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 10期
关键词
B Physics; Branching fraction; Hadron-Hadron Scattering; CKM Angle Gamma; MESON; TOOL;
D O I
10.1007/JHEP10(2023)123
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
Evidence for the decays B-0 -> (D) over bar (0)phi and B-0 -> (D) over bar (*0) phi is reported with a significance of 3.6 sigma and 4.3 sigma, respectively. The analysis employs pp collision data at centre-of-mass energies root s = 7, 8 and 13TeV collected by the LHCb detector and corresponding to an integrated luminosity of 9 fb(-1). The branching fractions are measured to be B(B-0 -> (D) over bar (0)phi) = (7.7 +/- 2.1 +/- 0.7 +/- 0.7) x 10(-7), B(B-0 -> (D) over bar (*0)phi) = (2.2 +/- 05 +/- 0.2 +/- 0.2) x 10(-6). In these results, the first uncertainty is statistical, the second systematic, and the third is related to the branching fraction of the B-0 -> (D) over bar K-0(+) K- decay, used for normalisation. By combining the branching fractions of the decays B-0 -> (D) over bar ((*)0)phi and B-0 -> (D) over bar ((*)0)omega, the omega-phi mixing angle delta is constrained to be tan(2)delta = (3.6 +/- 0.7 +/- 0.4) x 10(-3), where the first uncertainty is statistical and the second systematic. An updated measurement of the branching fractions of the B-s(0) -> (D) over bar ((*)0).phi decays, which can be used to determine the CKM angle gamma, leads to B(B-s(0) -> (D) over bar (0)phi) = (2.30 +/- 0.10 +/- 0.11 +/- 0.20) x 10(-5), B(B-s(0) -> (D) over bar (*0)phi) = (3.17 +/- 0.16 +/- 0.17 +/- 0.27) x 10(-5).
引用
收藏
页数:26
相关论文
共 50 条
  • [41] Determination of the branching fractions of BS0 → DS∓K∓ and B0 → DS−K+
    R. Aaij
    B. Adeva
    M. Adinolfi
    A. Affolder
    Z. Ajaltouni
    S. Akar
    J. Albrecht
    F. Alessio
    M. Alexander
    S. Ali
    G. Alkhazov
    P. Alvarez Cartelle
    A. A. Alves
    S. Amato
    S. Amerio
    Y. Amhis
    L. An
    L. Anderlini
    J. Anderson
    R. Andreassen
    M. Andreotti
    J. E. Andrews
    R. B. Appleby
    O. Aquines Gutierrez
    F. Archilli
    A. Artamonov
    M. Artuso
    E. Aslanides
    G. Auriemma
    M. Baalouch
    S. Bachmann
    J. J. Back
    A. Badalov
    C. Baesso
    W. Baldini
    R. J. Barlow
    C. Barschel
    S. Barsuk
    W. Barter
    V. Batozskaya
    V. Battista
    A. Bay
    L. Beaucourt
    J. Beddow
    F. Bedeschi
    I. Bediaga
    L. J. Bel
    S. Belogurov
    K. Belous
    I. Belyaev
    Journal of High Energy Physics, 2015
  • [42] Two loop electroweak corrections to (B)over-bar → XSγ and BS0 → μ+ μ- in the B-LSSM
    Yang, Jin-Lei
    Feng, Tai-Fu
    Zhao, Shu-Min
    Zhu, Rong-Fei
    Yang, Xiu-Yi
    Zhang, Hai-Bin
    EUROPEAN PHYSICAL JOURNAL C, 2018, 78 (09):
  • [43] Tests of CPT Symmetry in B0-(B)over-bar0 Mixing and in B0→c(c)over-barK0Decays
    Schubert, K. R.
    PROCEEDINGS OF THE SEVENTH MEETING ON CPT AND LORENTZ SYMMETRY, 2017, : 121 - 124
  • [44] First observation of the decay B0 → D0(D)over-bar0K+π-
    Aaij, R.
    Beteta, C. Abellan
    Ackernley, T.
    Adeva, B.
    Adinolfi, M.
    Afsharnia, H.
    Aidala, C. A.
    Aiola, S.
    Ajaltouni, Z.
    Akar, S.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Albero, A. Alfonso
    Aliouche, Z.
    Alkhazov, G.
    Cartelle, P. Alvarez
    Alves, A. A., Jr.
    Amato, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Andreassi, G.
    Andreianov, A.
    Andreotti, M.
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Arzymatov, K.
    Aslanides, E.
    Atzeni, M.
    Audurier, B.
    Bachmann, S.
    Bachmayer, M.
    Back, J. J.
    Baker, S.
    Rodriguez, P. Baladron
    Balagura, V
    Baldini, W.
    Leite, J. Baptista
    Barlow, R. J.
    Barsuk, S.
    Barter, W.
    Bartolini, M.
    Baryshnikov, F.
    Basels, J. M.
    Bassi, G.
    Batozskaya, V
    Batsukh, B.
    Battig, A.
    PHYSICAL REVIEW D, 2020, 102 (05)
  • [45] First observations of (B)over-bars0 → D+D-, Ds+D- and D0(D)over-bar0 decays
    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.
    Benayoun, M.
    Bencivenni, G.
    Benson, S.
    Benton, J.
    Berezhnoy, A.
    PHYSICAL REVIEW D, 2013, 87 (09)
  • [46] Measurement of branching fractions of charmless four-body Λb0 and Ξb0 decays
    R. Aaij
    B. Adeva
    M. Adinolfi
    Z. Ajaltouni
    S. Akar
    J. Albrecht
    F. Alessio
    M. Alexander
    A. Alfonso Albero
    S. Ali
    G. Alkhazov
    P. Alvarez Cartelle
    A. A. Alves
    S. Amato
    S. Amerio
    Y. Amhis
    L. An
    L. Anderlini
    G. Andreassi
    M. Andreotti
    J. E. Andrews
    R. B. Appleby
    F. Archilli
    P. d’Argent
    J. Arnau Romeu
    A. Artamonov
    M. Artuso
    E. Aslanides
    M. Atzeni
    G. Auriemma
    M. Baalouch
    I. Babuschkin
    S. Bachmann
    J. J. Back
    A. Badalov
    C. Baesso
    S. Baker
    V. Balagura
    W. Baldini
    A. Baranov
    R. J. Barlow
    C. Barschel
    S. Barsuk
    W. Barter
    F. Baryshnikov
    V. Batozskaya
    V. Battista
    A. Bay
    L. Beaucourt
    J. Beddow
    Journal of High Energy Physics, 2018
  • [47] Measurement of branching fractions of charmless four-body Λb0 and Ξb0 decays
    Aaij, R.
    Adeva, B.
    Adinolfi, M.
    Ajaltouni, Z.
    Akar, S.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Alfonso Albero, A.
    Ali, S.
    Alkhazov, G.
    Cartelle, P. Alvarez
    Alves, A. A., Jr.
    Amato, S.
    Amerio, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Andreassi, G.
    Andreotti, M.
    Andrews, J. E.
    Appleby, R. B.
    Archilli, F.
    d'Argent, P.
    Romeu, J. Arnau
    Artamonov, A.
    Artuso, M.
    Aslanides, E.
    Atzeni, M.
    Auriemma, G.
    Baalouch, M.
    Babuschkin, I.
    Bachmann, S.
    Back, J. J.
    Badalov, A.
    Baesso, C.
    Baker, S.
    Balagura, V.
    Baldini, W.
    Baranov, A.
    Barlow, R. J.
    Barschel, C.
    Barsuk, S.
    Barter, W.
    Baryshnikov, F.
    Batozskaya, V.
    Battista, V.
    Bay, A.
    Beaucourt, L.
    Beddow, J.
    JOURNAL OF HIGH ENERGY PHYSICS, 2018, (02):
  • [48] Search for the lepton-flavour violating decays B0→ K*0μ±e∓ and Bs0→ φμ±e∓
    Aaij, R.
    Abdelmotteleb, A. S. W.
    Beteta, C. Abellan
    Abudinen, F.
    Ackernley, T.
    Adeva, B.
    Adinolfi, M.
    Afsharnia, H.
    Agapopoulou, C.
    Aidala, C. A.
    Aiola, S.
    Ajaltouni, Z.
    Akar, S.
    Akiba, K.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Alfonso Albero, A.
    Aliouche, Z.
    Cartelle, P. Alvarez
    Amato, S.
    Amey, J. L.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Andersson, M.
    Andreianov, A.
    Andreotti, M.
    Ao, D.
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Arzymatov, K.
    Aslanides, E.
    Atzeni, M.
    Audurier, B.
    Bachmann, S.
    Bachmayer, M.
    Back, J. J.
    Bailly-reyre, A.
    Baladron Rodriguez, P.
    Balagura, V.
    Baldini, W.
    Baptista de Souza Leite, J.
    Barbetti, M.
    Barlow, R. J.
    Barsuk, S.
    Barter, W.
    Bartolini, M.
    Baryshnikov, F.
    JOURNAL OF HIGH ENERGY PHYSICS, 2023, (06):
  • [49] Study of B(s)0 → Ks0h+h′- decays with first observation of Bs0 → Ks0K±π∓ and Bs0 → Ks0π+π-
    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.
    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.
    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.
    JOURNAL OF HIGH ENERGY PHYSICS, 2013, (10):
  • [50] First observation of B(s)0 → J/ψ p(p)over-bar decays and precise measurement of B(s)0 masses
    Norella, E. Spadaro
    NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS, 2019, 42 (05):