doi: 10.1103/PhysRevLett.115.031601.
Epub 2015 Jul 14.
Measurement of CP Violation in B0→J/ψK{S}^{0} Decays
R Aaij
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, B Adeva
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, M Adinolfi
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, A Affolder
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, Z Ajaltouni
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, S Akar
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; LHCb collaboration
Affiliations
Affiliations
- 1 Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands.
- 2 Universidad de Santiago de Compostela, Santiago de Compostela, Spain.
- 3 H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom.
- 4 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom.
- 5 Clermont Université, Université Blaise Pascal, CNRS/IN2P3, LPC, Clermont-Ferrand, France.
- 6 CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France.
- 7 Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany.
- 8 European Organization for Nuclear Research (CERN), Geneva, Switzerland.
- 9 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
- 10 Petersburg Nuclear Physics Institute (PNPI), Gatchina, Russia.
- 11 Imperial College London, London, United Kingdom.
- 12 University of Cincinnati, Cincinnati, Ohio, USA.
- 13 Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
- 14 Sezione INFN di Padova, Padova, Italy.
- 15 LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France.
- 16 Center for High Energy Physics, Tsinghua University, Beijing, China.
- 17 Sezione INFN di Firenze, Firenze, Italy.
- 18 Physik-Institut, Universität Zürich, Zürich, Switzerland.
- 19 Sezione INFN di Ferrara, Ferrara, Italy.
- 20 University of Maryland, College Park, Maryland, USA.
- 21 School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom.
- 22 Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany.
- 23 Institute for High Energy Physics (IHEP), Protvino, Russia.
- 24 Syracuse University, Syracuse, New York, USA.
- 25 Sezione INFN di Roma La Sapienza, Roma, Italy.
- 26 Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
- 27 Department of Physics, University of Warwick, Coventry, United Kingdom.
- 28 Universitat de Barcelona, Barcelona, Spain.
- 29 Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil, associated with (Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil).
- 30 National Center for Nuclear Research (NCBJ), Warsaw, Poland.
- 31 Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
- 32 LAPP, Université Savoie Mont-Blanc, CNRS/IN2P3, Annecy-Le-Vieux, France.
- 33 Sezione INFN di Pisa, Pisa, Italy.
- 34 Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil.
- 35 Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia.
- 36 LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris, France.
- 37 Laboratori Nazionali dell'INFN di Frascati, Frascati, Italy.
- 38 Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russia.
- 39 University of Birmingham, Birmingham, United Kingdom.
- 40 Budker Institute of Nuclear Physics (SB RAS) and Novosibirsk State University, Novosibirsk, Russia.
- 41 Sezione INFN di Cagliari, Cagliari, Italy.
- 42 Sezione INFN di Milano Bicocca, Milano, Italy.
- 43 Sezione INFN di Bologna, Bologna, Italy.
- 44 Sezione INFN di Roma Tor Vergata, Roma, Italy.
- 45 Sezione INFN di Genova, Genova, Italy.
- 46 School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom.
- 47 Department of Physics, University of Oxford, Oxford, United Kingdom.
- 48 Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland.
- 49 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom.
- 50 Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania.
- 51 Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
- 52 NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine.
- 53 STFC Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 54 Institute for Nuclear Research of the Russian Academy of Sciences (INR RAN), Moscow, Russia.
- 55 AGH-University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland.
- 56 Sezione INFN di Milano, Milano, Italy.
- 57 Institut für Physik, Universität Rostock, Rostock, Germany, associated with (Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany).
- 58 Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, The Netherlands.
- 59 National Research Centre Kurchatov Institute, Moscow, Russia, associated with (Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia).
- 60 Instituto de Fisica Corpuscular (IFIC), Universitat de Valencia-CSIC, Valencia, Spain, associated with (Universitat de Barcelona, Barcelona, Spain).
- 61 School of Physics, University College Dublin, Dublin, Ireland.
- 62 Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia, associated with (LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris, France).
- 63 Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine.
- 64 Van Swinderen Institute, University of Groningen, Groningen, The Netherlands, associated with (Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands).
- 65 Sezione INFN di Bari, Bari, Italy.
- 66 Yandex School of Data Analysis, Moscow, Russia, associated with (Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia).
- 67 Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China, associated with (Center for High Energy Physics, Tsinghua University, Beijing, China).
- PMID: 26230782
- DOI: 10.1103/PhysRevLett.115.031601
Item in Clipboard
Measurement of CP Violation in B0→J/ψK{S}^{0} Decays
R Aaij et al.
Phys Rev Lett.
.
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doi: 10.1103/PhysRevLett.115.031601.
Epub 2015 Jul 14.
Authors
R Aaij
1
, B Adeva
2
, M Adinolfi
3
, A Affolder
4
, Z Ajaltouni
5
, S Akar
6
, J Albrecht
7
, F Alessio
8
, M Alexander
9
, S Ali
1
, G Alkhazov
10
, P Alvarez Cartelle
11
, A A Alves
12
, S Amato
13
, S Amerio
14
, Y Amhis
15
, L An
16
, L Anderlini
17
, J Anderson
18
, M Andreotti
19
, J E Andrews
20
, R B Appleby
21
, O Aquines Gutierrez
22
, F Archilli
8
, A Artamonov
23
, M Artuso
24
, E Aslanides
6
, G Auriemma
25
, M Baalouch
5
, S Bachmann
26
, J J Back
27
, A Badalov
28
, C Baesso
29
, W Baldini
19
8
, R J Barlow
21
, C Barschel
8
, S Barsuk
15
, W Barter
8
, V Batozskaya
30
, V Battista
31
, A Bay
31
, L Beaucourt
32
, J Beddow
9
, F Bedeschi
33
, I Bediaga
34
, L J Bel
1
, I Belyaev
35
, E Ben-Haim
36
, G Bencivenni
37
, S Benson
8
, J Benton
3
, A Berezhnoy
38
, R Bernet
18
, A Bertolin
14
, M-O Bettler
8
, M van Beuzekom
1
, A Bien
26
, S Bifani
39
, T Bird
21
, A Birnkraut
7
, A Bizzeti
17
, T Blake
27
, F Blanc
31
, J Blouw
22
, S Blusk
24
, V Bocci
25
, A Bondar
40
, N Bondar
10
8
, W Bonivento
41
, S Borghi
21
, A Borgia
24
, M Borsato
15
, T J V Bowcock
4
, E Bowen
18
, C Bozzi
19
, S Braun
26
, D Brett
21
, M Britsch
22
, T Britton
24
, J Brodzicka
21
, N H Brook
3
, A Bursche
18
, J Buytaert
8
, S Cadeddu
41
, R Calabrese
19
, M Calvi
42
, M Calvo Gomez
28
, P Campana
37
, D Campora Perez
8
, L Capriotti
21
, A Carbone
43
, G Carboni
44
, R Cardinale
45
, A Cardini
41
, P Carniti
42
, L Carson
46
, K Carvalho Akiba
13
8
, R Casanova Mohr
28
, G Casse
4
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42
, L Castillo Garcia
8
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8
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7
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45
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33
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36
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8
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32
, S Chen
21
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47
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18
, M Chrzaszcz
48
18
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8
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1
, P E L Clarke
46
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8
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8
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; LHCb collaboration
Affiliations
- 1 Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands.
- 2 Universidad de Santiago de Compostela, Santiago de Compostela, Spain.
- 3 H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom.
- 4 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom.
- 5 Clermont Université, Université Blaise Pascal, CNRS/IN2P3, LPC, Clermont-Ferrand, France.
- 6 CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France.
- 7 Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany.
- 8 European Organization for Nuclear Research (CERN), Geneva, Switzerland.
- 9 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
- 10 Petersburg Nuclear Physics Institute (PNPI), Gatchina, Russia.
- 11 Imperial College London, London, United Kingdom.
- 12 University of Cincinnati, Cincinnati, Ohio, USA.
- 13 Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
- 14 Sezione INFN di Padova, Padova, Italy.
- 15 LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France.
- 16 Center for High Energy Physics, Tsinghua University, Beijing, China.
- 17 Sezione INFN di Firenze, Firenze, Italy.
- 18 Physik-Institut, Universität Zürich, Zürich, Switzerland.
- 19 Sezione INFN di Ferrara, Ferrara, Italy.
- 20 University of Maryland, College Park, Maryland, USA.
- 21 School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom.
- 22 Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany.
- 23 Institute for High Energy Physics (IHEP), Protvino, Russia.
- 24 Syracuse University, Syracuse, New York, USA.
- 25 Sezione INFN di Roma La Sapienza, Roma, Italy.
- 26 Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
- 27 Department of Physics, University of Warwick, Coventry, United Kingdom.
- 28 Universitat de Barcelona, Barcelona, Spain.
- 29 Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil, associated with (Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil).
- 30 National Center for Nuclear Research (NCBJ), Warsaw, Poland.
- 31 Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
- 32 LAPP, Université Savoie Mont-Blanc, CNRS/IN2P3, Annecy-Le-Vieux, France.
- 33 Sezione INFN di Pisa, Pisa, Italy.
- 34 Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil.
- 35 Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia.
- 36 LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris, France.
- 37 Laboratori Nazionali dell'INFN di Frascati, Frascati, Italy.
- 38 Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russia.
- 39 University of Birmingham, Birmingham, United Kingdom.
- 40 Budker Institute of Nuclear Physics (SB RAS) and Novosibirsk State University, Novosibirsk, Russia.
- 41 Sezione INFN di Cagliari, Cagliari, Italy.
- 42 Sezione INFN di Milano Bicocca, Milano, Italy.
- 43 Sezione INFN di Bologna, Bologna, Italy.
- 44 Sezione INFN di Roma Tor Vergata, Roma, Italy.
- 45 Sezione INFN di Genova, Genova, Italy.
- 46 School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom.
- 47 Department of Physics, University of Oxford, Oxford, United Kingdom.
- 48 Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland.
- 49 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom.
- 50 Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania.
- 51 Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
- 52 NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine.
- 53 STFC Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 54 Institute for Nuclear Research of the Russian Academy of Sciences (INR RAN), Moscow, Russia.
- 55 AGH-University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland.
- 56 Sezione INFN di Milano, Milano, Italy.
- 57 Institut für Physik, Universität Rostock, Rostock, Germany, associated with (Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany).
- 58 Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, The Netherlands.
- 59 National Research Centre Kurchatov Institute, Moscow, Russia, associated with (Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia).
- 60 Instituto de Fisica Corpuscular (IFIC), Universitat de Valencia-CSIC, Valencia, Spain, associated with (Universitat de Barcelona, Barcelona, Spain).
- 61 School of Physics, University College Dublin, Dublin, Ireland.
- 62 Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia, associated with (LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris, France).
- 63 Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine.
- 64 Van Swinderen Institute, University of Groningen, Groningen, The Netherlands, associated with (Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands).
- 65 Sezione INFN di Bari, Bari, Italy.
- 66 Yandex School of Data Analysis, Moscow, Russia, associated with (Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia).
- 67 Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China, associated with (Center for High Energy Physics, Tsinghua University, Beijing, China).
- PMID: 26230782
- DOI: 10.1103/PhysRevLett.115.031601
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Abstract
Measurements are presented of the CP violation observables S and C in the decays of B(0) and Bover ¯]0 mesons to the J/ψK(S)(0) final state. The data sample corresponds to an integrated luminosity of 3.0 fb(-1) collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7 and 8 TeV, and contains a total of 41 560 selected B^{0} and B[over ¯]^{0} decays. The analysis of the time evolution of these decays yields S=0.731±0.035(stat)±0.020(syst) and C=-0.038±0.032(stat)±0.005(syst). In the standard model, S equals sin(2β) to a good level of precision. The values are consistent with the current world averages and with the standard model expectations.