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Observation of D-0 meson decays to pi(+) pi(-) mu(+) mu(-) and K+ K- mu(+) mu(-) final states

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成果类型:
期刊论文
作者:
Aaij, R.*;Adeva, B.;Adinolfi, M.;Ajaltouni, Z.;Akar, S.;...
通讯作者:
Aaij, R.
作者机构:
[Di Canto, A.; Durante, P.; Ferro-Luzzi, M.; Bozzi, C.; Fontana, M.; Kvaratskheliya, T.; Ponce, S.; Karacson, M.; Merli, A.; Byczynski, W.; Hatch, M.; Forty, R.; Corti, G.; McCann, M.; Schmidt, B.; Gaspar, C.; Perez, D. H. Campora; Voneki, B.; Roiser, S.; Seyfert, P.; Wyllie, K.; Dordei, F.; Contu, A.; Lacarrere, D.; Leflat, A.; Cattaneo, M.; Jost, B.; Hasse, C.; Farber, C.; Rihl, M.; Siddi, B. G.; Lindner, R.; Dijkstra, H.; Chitic, S. -G.; Thomas, E.; Funk, W.; Palutan, M.; Golutvin, A.; Lemaitre, F.; Collins, P.; Jacobsson, R.; Neufeld, N.; Buytaert, J.; Frei, C.; Aaij, R.; Mathe, Z.; Grillo, L.; Stagni, F.; Pearce, A.; Teubert, F.; Lupton, O.; Perazzini, S.; Gys, T.; Wilkinson, G.; Frank, M.; Clemencic, M.; Valassi, A.; Alessio, F.; Trisovic, A.; Fohl, K.; Popov, D.; Stahl, M.; Matev, R.; Cardoso, L. A. Granado; Joram, C.; Altarelli, M. Pepe; Barschel, C.; Charpentier, Ph.; Ruf, T.; Neri, N.; Whitehead, M.; Stahl, S.; Bettler, M. -O.; Gruber, L.; Schopper, A.; Couturier, B.; Cavallero, G.; Salzgeber, M. Ravonel; Schindler, H.; Haen, C.; Barbosa, J. V. Viana; Dziurda, A.; Johnson, D.; Schwemmer, R.; Vagnoni, V.; D'Ambrosio, C.; Declara, P. Fernandez; Closier, J.; van Herwijnen, E.; Coombs, G.; Valat, S.; Sridharan, S.; Colombo, T.] CERN, European Org Nucl Res, Geneva, Switzerland.
[Tourinho Jadallah Aoude, R.; Pappagallo, M.; Massafferri, A.; De Miranda, J. M.; Rodriguez, J. Molina; Torres, M. Cruz; Gomes, A.; Lavra, L. Soares; Palano, A.; Bediaga, I.; Pastore, A.; Rodrigues, A. B.; dos Reis, A. C.; Guimaraes, V. Salustino] CBPF, Rio De Janeiro, Brazil.
[De Paula, B. Souza; de Oliveira, L. Silva; Lopes, J. H.; Marinho, F. Da Cunha; Goicochea, J. M. Otalora; Polycarpo, E.; Gandelman, M.; Rangel, M. S.; Tostes, D. Martins; Hicheur, A.; Potterat, C.; Rodrigues, F. Ferreira; Akiba, K. Carvalho; De Paula, L.; Nasteva, I.; Amato, S.] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Jiang, F.; Li, T.; Zhu, X.; An, L.; Davis, A.; Zhang, L.; Liu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China.
[Chefdeville, M.; Decamp, D.; Reboud, M.; Beaucourt, L.; T'Jampens, S.; Marchand, J. F.; Tisserand, V.; Xu, Z.; Ghez, Ph.; Tournefier, E.; Pietrzyk, B.; Minard, M. -N.] Univ Savoie Mont Blanc, CNRS, IN2P3, LAPP, Annecy Le Vieux, France.
通讯机构:
[Aaij, R.] C
CERN, European Org Nucl Res, Geneva, Switzerland.
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2017
卷:
119
期:
18
页码:
181805
基金类别:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior Conselho Nacional de Desenvolvimento Científico e Tecnológico Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro Financiadora de Estudos e Projetos Ministry of Science and Technology of the People’s Republic of China National Natural Science Foundation of China Bundesministerium für Bildung und Forschung Deutsche Forschungsgemeinschaft Max-Planck-Gesellschaft Istituto Nazionale di Fisica Nucleare Nederlandse Organisatie voor Wetenschappelijk Onderzoek Ministerstwo Nauki i Szkolnictwa Wy?szego Narodowe Centrum Nauki Ministerul Educa?iei ?i Cercet?rii ?tiin?ifice Ministry of Education and Science of the Russian Federation Federal Agency for Science and Innovation Ministerio de Economía y Competitividad Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung Staatssekretariat für Bildung, Forschung und Innovation National Academy of Sciences of Ukraine Science and Technology Facilities Council National Science Foundation Karlsruher Institut für Technologie Deutsches Elektronen-Synchrotron Helmholtz-Gemeinschaft Alexander von Humboldt-Stiftung H2020 Marie Sk?odowska-Curie Actions H2020 European Research Council Agence Nationale de la Recherche Russian Foundation for Basic Research Labxx ENIGMASS, L’enigme de la Masse Generalitat Valenciana Consellería de Cultura, Educación e Ordenación Universitaria, Xunta de Galicia Generalitat de Catalunya Royal Society Royal Commission for the Exhibition of 1851 English-Speaking Union Leverhulme Trust CERN, The European Organization for Nuclear Research (Switzerland) Centre National de la Recherche Scintifique (Republic of France) Institute National de Physique Nucleaire et de Physique des Particules (Republic of France) Institul de Fizica Atomica (MEN/IFA) SURF, Collaborative organisation for ICT in Dutch higher education and research (Kingdom of The Netherlands) PIC, Port d’Informacio Cientifica (Kingdom of Spain) GridPP, UK Computing for Particle Physics (United Kingdom of Great Britain and Northern Ireland) National Research Center “Kurchatov” Institute Yandex LLC (Russian Federation) CSCS IFIN-HH CBPF PL-GRID Ohio Supercomputer Center (OSC) EPLANET, The European Particle physics Latin America NETwork (European Union) Conseil Général de Haute-Savoie Labex P2IO, Physique des 2 Infinis et des Origines Labex OCEVU, Origine Constituants et Evolution de l’Univers Région Auvergne-Rhone-Alpes Herchel Smith Fund
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
心理学院
摘要:
The first observation of the D0→π+π-μ+μ- and D0→K+K-μ+μ- decays is reported using a sample of proton-proton collisions collected by LHCb at a center-of-mass energy of 8 TeV, and corresponding to 2 fb-1 of integrated luminosity. The corresponding branching fractions are measured using as normalization the decay D0→K-π+[μ+μ-]ρ0/ω, where the two muons are consistent with coming from the decay of a ρ0 or ωmeson. The results are B(D0→π+π-μ+μ-)=(9.64±0.48±0.51±0.97)×10-7 and B(D0→K+K-μ+&...

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