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Measurement of lepton universality parameters in B plus ? K plus l + l - and B0? K?0l+l- decays
2023-08-02
Source PublicationPHYSICAL REVIEW D   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN2470-0010 ; 2470-0029
EISSN2470-0029
Volume108Issue:3
page numbers46
AbstractA simultaneous analysis of the B thorn & RARR; K thorn e thorn e- and B0 & RARR; K & DBLBOND;0e thorn e- decays is performed to test muonelectron universality in two ranges of the square of the dilepton invariant mass, q2. The measurement uses a sample of beauty meson decays produced in proton-proton collisions collected with the LHCb detector between 2011 and 2018, corresponding to an integrated luminosity of 9 fb-1. A sequence of multivariate selections and strict particle identification requirements produce a higher signal purity and a better statistical sensitivity per unit luminosity than previous LHCb lepton universality tests using the same decay modes. Residual backgrounds due to misidentified hadronic decays are studied using data and included in the fit model. Each of the four lepton universality measurements reported is either the first in the given q2 interval or supersedes previous LHCb measurements. The results are compatible with the predictions of the Standard Model.
PublisherAMER PHYSICAL SOC
DOI10.1103/PhysRevD.108.032002
Indexed BySCIE
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:001058591800001
Original Document TypeArticle
ESI Hot Paper2024-03
ESI Hicited Paper2024-03
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/568173
Collection兰州大学
Corresponding AuthorAaij, R.
Affiliation
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, Peoples R China;
4.Inst High Energy Phys, 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 Mont Blanc, CNRS, IN2P3, LAPP, Annecy, France;
9.Univ Clermont Auvergne, LPC, CNRS, IN2P3, Clermont Ferrand, France;
10.Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France;
11.Univ Paris Saclay, IJCLab, CNRS, IN2P3, Orsay, France;
12.Ecole Polytech, Inst Polytech Paris, Lab Leprince Ringuet, CNRS,IN2P3, Palaiseau, France;
13.Sorbonne Univ, LPNHE, Paris Diderot Sorbonne Paris Cite, CNRS,IN2P3, Paris, France;
14.Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany;
15.Tech Univ Dortmund, Fak Phys, Dortmund, Germany;
16.Max Planck Inst Kernphys, 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.Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands;
35.Vrije Univ Amsterdam, Amsterdam, Netherlands;
36.AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland;
37.Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland;
38.Natl Ctr Nucl Res NCBJ, Warsaw, Poland;
39.Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania;
40.CERN, Inst Covered Cooperat Agreement, Geneva, Switzerland;
41.Univ Barcelona, ICCUB, Barcelona, Spain;
42.Univ Santiago de Compostela, Inst Galego Fis Altas Enerxias, Santiago De Compostela, Spain;
43.Ctr Mixto Univ Valencia, CSIC, Inst Fis Corpuscular, Valencia, Spain;
44.European Org Nucl Res CERN, Geneva, Switzerland;
45.Ecole Polytech Federale Lausanne, Inst Phys, Lausanne, Switzerland;
46.Univ Zurich, Phys Inst, Zurich, Switzerland;
47.NSC Kharkiv Inst Phys & Technol 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;
51.Univ Cambridge, Cavendish Lab, Cambridge, England;
52.Univ Warwick, Dept Phys, Coventry, W Midlands, England;
53.STFC Rutherford Appleton Lab, Didcot, Oxon, England;
54.Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland;
55.Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland;
56.Univ Liverpool, Oliver Lodge Lab, Liverpool, Merseyside, England;
57.Imperial Coll London, London, England;
58.Univ Manchester, Dept Phys & Astron, Manchester, Lancs, England;
59.Univ Oxford, Dept Phys, Oxford, England;
60.MIT, Cambridge, MA USA;
61.Univ Cincinnati, Cincinnati, OH USA;
62.Univ Maryland, College Pk, MD USA;
63.Los Alamos Natl Lab, Los Alamos, NM USA;
64.Syracuse Univ, Syracuse, NY USA;
65.Monash Univ, Sch Phys & Astron, Melbourne, Australia;
66.Pontificia Univ Catolica Rio de eiro PUC Rio, Rio De Janeiro, Brazil;
67.Hunan Univ, Phys & Micro Elect Coll, Changsha, Peoples R China;
68.South China Normal Univ, Inst Quantum Matter, Guangdong Prov Key Lab Nucl Sci, Guangdong Hong Kong Joint Lab Quantum Matter, Guangzhou, Peoples R China;
69.Lanzhou Univ, Lanzhou, Peoples R China;
70.Wuhan Univ, Sch Phys & Technol, Wuhan, Peoples R China;
71.Univ Nacl Colombia, Dept Fis, Bogota, Colombia;
72.Univ Bonn, Helmholtz Inst Strahlen & Kernphys, Bonn, Germany;
73.Eotvos Lorand Univ, Budapest, Hungary;
74.INFN Sez Perugia, Perugia, Italy;
75.Univ Groningen, Van Swinderen Inst, Groningen, Netherlands;
76.Univ Maastricht, Maastricht, Netherlands;
77.Tadeusz Kosciuszko Cracow Univ Technol, Krakow, Poland;
78.Univ Ramon Llull, DS4DS, Barcelona, Spain;
79.Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden;
80.Univ Michigan, Ann Arbor, MI USA;
81.Univ Brasilia, Brasilia, DF, Brazil;
82.Univ Fed Triangulo Mineiro, Uberaba, MG, Brazil;
83.Cent South Univ, Changsha, Peoples R China;
84.UCAS, Hangzhou Inst Adv Study, Hangzhou, Peoples R China;
85.Excellence Cluster ORIGINS, Munich, Germany;
86.Univ Nacl Autonoma Honduras, Tegucigalpa, Honduras;
87.Univ Bari, Bari, Italy;
88.Univ Bologna, Bologna, Italy;
89.Univ Cagliari, Cagliari, Italy;
90.Univ Ferrara, Ferrara, Italy;
91.Univ Firenze, Florence, Italy;
92.Univ Genoa, Genoa, Italy;
93.Univ Milan, Milan, Italy;
94.Univ Milano Bicocca, Milan, Italy;
95.Univ Padua, Padua, Italy;
96.Univ Perugia, Perugia, Italy;
97.Scuola Normale Super Pisa, Pisa, Italy;
98.Univ Pisa, Pisa, Italy;
99.Univ Basilicata, Potenza, Italy;
100.Univ Roma Tor Vergata, Rome, Italy;
101.Univ Urbino, Urbino, Italy;
102.Univ Alcala, Alcala De Henares, Spain
Recommended Citation
GB/T 7714
Aaij, R.,Abdelmotteleb, A. S. W.,Beteta, C. Abellan,et al. Measurement of lepton universality parameters in B plus ? K plus l + l - and B0? K?0l+l- decays[J]. PHYSICAL REVIEW D,2023,108(3).
APA Aaij, R..,Abdelmotteleb, A. S. W..,Beteta, C. Abellan.,Abudinen, F..,Ackernley, T..,...&Zunica, G..(2023).Measurement of lepton universality parameters in B plus ? K plus l + l - and B0? K?0l+l- decays.PHYSICAL REVIEW D,108(3).
MLA Aaij, R.,et al."Measurement of lepton universality parameters in B plus ? K plus l + l - and B0? K?0l+l- decays".PHYSICAL REVIEW D 108.3(2023).
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