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Observation of a narrow mass state decaying into Υ(1S)+γ in pp̄ collisions at s=1.96 TeV

  • V. M. Abazov*
  • , B. Abbott
  • , B. S. Acharya
  • , M. Adams
  • , T. Adams
  • , G. D. Alexeev
  • , G. Alkhazov
  • , A. Alton
  • , G. Alverson
  • , M. Aoki
  • , A. Askew
  • , S. Atkins
  • , K. Augsten
  • , C. Avila
  • , F. Badaud
  • , L. Bagby
  • , B. Baldin
  • , D. V. Bandurin
  • , S. Banerjee
  • , E. Barberis
  • P. Baringer, J. Barreto, J. F. Bartlett, U. Bassler, V. Bazterra, A. Bean, M. Begalli, L. Bellantoni, S. B. Beri, G. Bernardi, R. Bernhard, I. Bertram, M. Besançon, R. Beuselinck, V. A. Bezzubov, P. C. Bhat, S. Bhatia, V. Bhatnagar, G. Blazey, S. Blessing, K. Bloom, A. Boehnlein, D. Boline, E. E. Boos, G. Borissov, T. Bose, A. Brandt, O. Brandt, R. Brock, G. Brooijmans, A. Bross, D. Brown, J. Brown, X. B. Bu, M. Buehler, V. Buescher, V. Bunichev, S. Burdin, C. P. Buszello, E. Camacho-Pérez, B. C.K. Casey, H. Castilla-Valdez, S. Caughron, S. Chakrabarti, D. Chakraborty, K. M. Chan, A. Chandra, E. Chapon, G. Chen, S. Chevalier-Théry, D. K. Cho, S. W. Cho, S. Choi, B. Choudhary, S. Cihangir, D. Claes, J. Clutter, M. Cooke, W. E. Cooper, M. Corcoran, F. Couderc, M. C. Cousinou, A. Croc, D. Cutts, A. Das, G. Davies, S. J. De Jong, E. De La Cruz-Burelo, F. Déliot, R. Demina, D. Denisov, S. P. Denisov, S. Desai, C. Deterre, K. Devaughan, H. T. Diehl, M. Diesburg, P. F. Ding, A. Dominguez, A. Dubey, L. V. Dudko, D. Duggan, A. Duperrin, S. Dutt, A. Dyshkant, M. Eads, D. Edmunds, J. Ellison, V. D. Elvira, Y. Enari, H. Evans, A. Evdokimov, V. N. Evdokimov, G. Facini, L. Feng, T. Ferbel, F. Fiedler, F. Filthaut, W. Fisher, H. E. Fisk, M. Fortner, H. Fox, S. Fuess, A. Garcia-Bellido, J. A. García-González, G. A. García-Guerra, V. Gavrilov, P. Gay, W. Geng, D. Gerbaudo, C. E. Gerber, Y. Gershtein, G. Ginther, G. Golovanov, A. Goussiou, P. D. Grannis, S. Greder, H. Greenlee, G. Grenier, Ph Gris, J. F. Grivaz, A. Grohsjean, S. Grünendahl, M. W. Grünewald, T. Guillemin, G. Gutierrez, P. Gutierrez, A. Haas, S. Hagopian, J. Haley, L. Han, K. Harder, A. Harel, J. M. Hauptman, J. Hays, T. Head, T. Hebbeker, D. Hedin, H. Hegab, A. P. Heinson, U. Heintz, C. Hensel, I. Heredia-De La Cruz, K. Herner, G. Hesketh, M. D. Hildreth, R. Hirosky, T. Hoang, J. D. Hobbs, B. Hoeneisen, M. Hohlfeld, I. Howley, Z. Hubacek, V. Hynek, I. Iashvili, Y. Ilchenko, R. Illingworth, A. S. Ito, S. Jabeen, M. Jaffré, A. Jayasinghe, R. Jesik, K. Johns, E. Johnson, M. Johnson, A. Jonckheere, P. Jonsson, J. Joshi, A. W. Jung, A. Juste, K. Kaadze, E. Kajfasz, D. Karmanov, P. A. Kasper, I. Katsanos, R. Kehoe, S. Kermiche, N. Khalatyan, A. Khanov, A. Kharchilava, Y. N. Kharzheev, I. Kiselevich, J. M. Kohli, A. V. Kozelov, J. Kraus, S. Kulikov, A. Kumar, A. Kupco, T. Kurča, V. A. Kuzmin, S. Lammers, G. Landsberg, P. Lebrun, H. S. Lee, S. W. Lee, W. M. Lee, J. Lellouch, H. Li, L. Li, Q. Z. Li, J. K. Lim, D. Lincoln, J. Linnemann, V. V. Lipaev, R. Lipton, H. Liu, Y. Liu, A. Lobodenko, M. Lokajicek, R. Lopes De Sa, H. J. Lubatti, R. Luna-Garcia, A. L. Lyon, A. K.A. MacIel, R. Madar, R. Magaña-Villalba, S. Malik, V. L. Malyshev, Y. Maravin, J. Martínez-Ortega, R. McCarthy, C. L. McGivern, M. M. Meijer, A. Melnitchouk, D. Menezes, P. G. Mercadante, M. Merkin, A. Meyer, J. Meyer, F. Miconi, N. K. Mondal, M. Mulhearn, E. Nagy, M. Naimuddin, M. Narain, R. Nayyar, H. A. Neal, J. P. Negret, P. Neustroev, T. Nunnemann, G. Obrant, J. Orduna, N. Osman, J. Osta, M. Padilla, A. Pal, N. Parashar, V. Parihar, S. K. Park, R. Partridge, N. Parua, A. Patwa, B. Penning, M. Perfilov, Y. Peters, K. Petridis, G. Petrillo, P. Pétroff, M. A. Pleier, P. L.M. Podesta-Lerma, V. M. Podstavkov, A. V. Popov, M. Prewitt, D. Price, N. Prokopenko, J. Qian, A. Quadt, B. Quinn, M. S. Rangel, K. Ranjan, P. N. Ratoff, I. Razumov, P. Renkel, I. Ripp-Baudot, F. Rizatdinova, M. Rominsky, A. Ross, C. Royon, P. Rubinov, R. Ruchti, G. Sajot, P. Salcido, A. Sánchez-Hernández, M. P. Sanders, B. Sanghi, A. S. Santos, G. Savage, L. Sawyer, T. Scanlon, R. D. Schamberger, Y. Scheglov, H. Schellman, S. Schlobohm, C. Schwanenberger, R. Schwienhorst, J. Sekaric, H. Severini, E. Shabalina, V. Shary, S. Shaw, A. A. Shchukin, R. K. Shivpuri, V. Simak, P. Skubic, P. Slattery, D. Smirnov, K. J. Smith, G. R. Snow, J. Snow, S. Snyder, S. Söldner-Rembold, L. Sonnenschein, K. Soustruznik, J. Stark, D. A. Stoyanova, M. Strauss, L. Stutte, L. Suter, P. Svoisky, M. Takahashi, M. Titov, V. V. Tokmenin, Y. T. Tsai, K. Tschann-Grimm, D. Tsybychev, B. Tuchming, C. Tully, L. Uvarov, S. Uvarov, S. Uzunyan, R. Van Kooten, W. M. Van Leeuwen, N. Varelas, E. W. Varnes, I. A. Vasilyev, P. Verdier, A. Y. Verkheev, L. S. Vertogradov, M. Verzocchi, M. Vesterinen, D. Vilanova, P. Vokac, H. D. Wahl, M. H.L.S. Wang, J. Warchol, G. Watts, M. Wayne, J. Weichert, L. Welty-Rieger, A. White, D. Wicke, M. R.J. Williams, G. W. Wilson, M. Wobisch, D. R. Wood, T. R. Wyatt, Y. Xie, R. Yamada, W. C. Yang, T. Yasuda, Y. A. Yatsunenko, W. Ye, Z. Ye, H. Yin, K. Yip, S. W. Youn, J. Zennamo, T. Zhao, T. G. Zhao, B. Zhou, J. Zhu, M. Zielinski, D. Zieminska, L. Zivkovic
*Corresponding author for this work
  • Joint Institute for Nuclear Research, Dubna
  • University of Oklahoma Bioengineering Center
  • Tata Institute of Fundamental Research, Mumbai
  • University of Illinois at Chicago
  • Florida State University
  • Petersburg Nuclear Physics Institute (PNPI)
  • University of Michigan, Ann Arbor
  • Augustana College
  • Northeastern University
  • Fermi National Accelerator Laboratory
  • Louisiana Tech University
  • Czech Technical University in Prague
  • Universidad de los Andes Colombia
  • Université Blaise Pascal
  • University of Kansas
  • Universidade do Estado do Rio de Janeiro
  • CEA Saclay
  • Panjab University
  • Universités Paris VI and VII
  • University of Freiburg
  • Lancaster University
  • Imperial College London
  • Institute for High Energy Physics
  • University of Mississippi
  • Northern Illinois University
  • University of Nebraska-Lincoln
  • Stony Brook University
  • Lomonosov Moscow State University
  • Boston University
  • University of Texas at Arlington
  • Georg-August-Universität Göttingen
  • Michigan State University
  • Columbia University
  • Johannes Gutenberg University Mainz
  • University of Liverpool
  • Uppsala University
  • Centro de Investigacion y de Estudios Avanzados del Instituto Politécnico Nacional
  • University of Notre Dame
  • Rice University
  • Brown University
  • Korea University
  • University of Delhi
  • Aix-Marseille Université
  • University of Arizona
  • FOM-Institute NIKHEF and University of Amsterdam/NIKHEF
  • Radboud University
  • University of Rochester
  • University of Manchester
  • Rutgers University–New Brunswick
  • University of California at Riverside
  • Indiana University Bloomington
  • Brookhaven National Laboratory
  • IPN
  • Institute for Theoretical and Experimental Physics
  • Princeton University
  • University of Washington
  • Université de Strasbourg
  • Universite Claude Bernard Lyon 1
  • Université de Lyon
  • Université Paris-Sud
  • Deutsches Elektronen-Synchrotron (DESY)
  • University College Dublin
  • SLAC National Accelerator Laboratory
  • University of Science and Technology of China
  • Iowa State University
  • RWTH Aachen University
  • Oklahoma State University
  • University College London
  • University of Virginia
  • State University of New York at Buffalo
  • Southern Methodist University
  • The Barcelona Institute of Science and Technology
  • Kansas State University
  • Czech Academy of Sciences
  • Université Joseph Fourier Grenoble 1
  • Centro Brasileiro de Pesquisas Físicas
  • Universidade Federal do ABC
  • Ludwig Maximilian University of Munich
  • Purdue University Calumet
  • Universidad Autonoma de Sinaloa
  • Universidade Estadual Paulista Júlio de Mesquita Filho
  • Northwestern University
  • Langston University
  • Charles University
  • University of Wuppertal

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

Using data corresponding to an integrated luminosity of 1.3fb -1, we observe a narrow mass state decaying into Υ(1S)+γ, where the Υ(1S) meson is detected by its decay into a pair of oppositely charged muons, and the photon is identified through its conversion into an electron-positron pair. The significance of this observation is 5.6 standard deviations. The mass of the state is centered at 10.551±0.014(stat) ±0.017(syst)GeV/c2, which is consistent with that of the state recently observed by the ATLAS Collaboration.

Original languageEnglish
Article number031103
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume86
Issue number3
DOIs
StatePublished - 15 Aug 2012

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