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Measurements of the branching fractions of Lambda(+)(c) -> p pi(-)pi(+), Lambda(+)(c) -> pK(-)K(+), and Lambda(+)(c) -> p pi K--(+)

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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:
Ogilvy, S.
作者机构:
[Di Canto, A.; Durante, P.; Ferro-Luzzi, M.; Bozzi, C.; Fontana, M.; Tuning, N.; Kvaratskheliya, T.; Ponce, S.; Karacson, M.; Merli, A.; Byczynski, W.; Hatch, M.; Rih, 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.; 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.; Stagni, F.; Pearce, A.; Teubert, F.; Lupton, O.; Perazzini, S.; Gys, T.; Wilkinson, G.; Frank, M.; Clemencic, M.; Pisani, F.; Valassi, A.; Alessio, F.; Trisovic, A.; Fohl, K.; Popov, D.; Matev, R.; Cardoso, L. A. Granado; Joram, C.; Altarelli, M. Pepe; Leroy, O.; Charpentier, Ph.; Ruf, T.; Neri, N.; Whitehead, M.; Bettler, M. -O.; Gruber, L.; Schopper, A.; Couturier, B.; Cavallero, G.; Barsche, C.; Maev, O.; Salzgeber, M. Ravonel; Schindler, H.; Haen, C.; Barbosa, J. V. Viana; Dziurda, A.; Johnson, D.; Dorigo, M.; Vagnoni, V.; D'Ambrosio, C.; Declara, P. Fernandez; Closier, J.; van Herwijnen, E.; Coombs, G.; Valat, S.; Sridharan, S.; Colombo, T.] European Org Nucl Res, CERN, Geneva, Switzerland.
[Aoudel, R. Tourinho Jadallah; Massafferri, A.; Torresl, M. Cruz; De Miranda, J. M.; Rodriguez, J. Molina; Lavra, I. Soares; Gomes, A.; Bediaga, I.; 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.; Shekhtmanw, L.; Li, T.; Sun, J.; 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.; Schopper, A.; Tournefier, E.; Pietrzyk, B.; Minard, M. -N.] Univ Savoie Mont Blanc, CNRS, IN2P3, LAPP, Annecy Le Vieux, France.
通讯机构:
[Ogilvy, S.] L
Lab Nazl INFN Frascati, Frascati, Italy.
语种:
英文
关键词:
Branching fraction;Charm physics;Flavor physics;Hadron-Hadron scattering (experiments);Spectroscopy
期刊:
Journal of High Energy Physics
ISSN:
1029-8479
年:
2018
卷:
2018
期:
3
页码:
1-23
基金类别:
CERN; CAPESCAPES; CNPqNational Council for Scientific and Technological Development (CNPq); FAPERJ and FINEP (Brazil); MOST and NSFC (China); CNRS/IN2P3 (France)Centre National de la Recherche Scientifique (CNRS); BMBFFederal Ministry of Education & Research (BMBF); DFG and MPG (Germany); INFN (Italy)Istituto Nazionale di Fisica Nucleare (INFN); NWO (The Netherlands)Netherlands Organization for Scientific Research (NWO)Netherlands Government; MNiSW and NCN (Poland); MEN/IFA (Romania); MinES and FASO (Russia); MinECo (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom)UK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); NSF (U.S.A.)National Science Foundation (NSF); AvH Foundation (Germany)Alexander von Humboldt Foundation; EPLANET; Marie Sk lodowska-Curie Actions and ERC (European Union); ANRFrench National Research Agency (ANR); Labex P2IO; ENIGMASS and OCEVU; Region Auvergne-Rhone-Alpes (France)Region Auvergne-Rhone-Alpes; RFBR and Yandex LLC (Russia); GVA; XuntaGal and GENCAT (Spain); Herchel Smith Fund; Royal SocietyRoyal Society of LondonEuropean Commission; English-Speaking Union; Leverhulme Trust (United Kingdom)Leverhulme Trust
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
The ratios of the branching fractions of the decays Λ +  → pπ−π+, Λ +  → pK−K+, and Λ +  → pπ−K+ with respect to the Cabibbo-favoured Λ +  → pK−π+ decay are measured using proton-proton collision data collected with the LHCb experiment at a 7 TeV centre-of-mass energy and corresponding to an integrated luminosity of 1.0 fb−1: $$ \begin{array}{l}\frac{\mathrm{\mathcal{B}}\left({\varLambda}_c^{+}\to p{\pi}^{-}{\pi}^{+}\right)}{\mathrm{\mathcal{B}}\left({\varLambda}_c^{+}\to p{K}^{-}{\...

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