/ Experiment-HEP arXiv:1203.6034


Observation of a narrow mass state decaying into Upsilon(1S) + gamma in $p\bar{p}$ collisions at sqrt(s) = 1.96 TeV


Abazov, Victor Mukhamedovich (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Abbott, Braden Keim (UNDEFINED, University of Oklahoma, Norman, Oklahoma 73019, USA) ; Acharya, Bannanje Sripath (UNDEFINED, Tata Institute of Fundamental Research, Mumbai, India) ; Adams, Mark Raymond (UNDEFINED, University of Illinois at Chicago, Chicago, Illinois 60607, USA) ; Adams, Todd (UNDEFINED, Florida State University, Tallahassee, Florida 32306, USA) ; Alexeev, Guennadi D (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Alkhazov, Georgiy D (UNDEFINED, Petersburg Nuclear Physics Institute, St. Petersburg, Russia) ; Alton, Andrew K (UNDEFINED, Augustana College, Sioux Falls, SD, USA) ; Alverson, George O (UNDEFINED, Northeastern University, Boston, Massachusetts 02115, USA) ; Aoki, Masato (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Askew, Andrew Warren (UNDEFINED, Florida State University, Tallahassee, Florida 32306, USA) ; Atkins, Scott (UNDEFINED, Louisiana Tech University, Ruston, Louisiana 71272, USA) ; Augsten, Kamil (UNDEFINED, Czech Technical University in Prague, Prague, Czech Republic) ; Avila, Carlos A (UNDEFINED, Universidad de los Andes, Bogot\'a, Colombia) ; Badaud, Frederique (UNDEFINED, LPC, Universit\'e Blaise Pascal, CNRS/IN2P3, Clermont, France) ; Bagby, Linda F (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Baldin, Boris (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Bandurin, Dmitry V (UNDEFINED, Florida State University, Tallahassee, Florida 32306, USA) ; Banerjee, Sunanda (UNDEFINED, Tata Institute of Fundamental Research, Mumbai, India) ; Barberis, Emanuela (UNDEFINED, Northeastern University, Boston, Massachusetts 02115, USA) ; Baringer, Philip S (UNDEFINED, University of Kansas, Lawrence, Kansas 66045, USA) ; Barreto, Jorge L (UNDEFINED, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil) ; Bartlett, JFrederick (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Bassler, Ursula Rita (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Bazterra, Victor (UNDEFINED, University of Illinois at Chicago, Chicago, Illinois 60607, USA) ; Bean, Alice L (UNDEFINED, University of Kansas, Lawrence, Kansas 66045, USA) ; Begalli, Marcia (UNDEFINED, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil) ; Bellantoni, Leo (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Beri, Suman B (UNDEFINED, Panjab University, Chandigarh, India) ; Bernardi, Gregorio (UNDEFINED, LPNHE, Universit\'es Paris VI and VII, CNRS/IN2P3, Paris, France) ; Bernhard, Ralf Patrick (UNDEFINED, Physikalisches Institut, Universit\"at Freiburg, Freiburg, Germany) ; Bertram, Iain A (UNDEFINED, Lancaster University, Lancaster LA1 4YB, United Kingdom) ; Besancon, Marc (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Beuselinck, Raymond (UNDEFINED, Imperial College London, London SW7 2AZ, United Kingdom) ; Bezzubov, Victor A (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Bhat, Pushpalatha C (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Bhatia, Sudeep (UNDEFINED, University of Mississippi, University, Mississippi 38677, USA) ; Bhatnagar, Vipin (UNDEFINED, Panjab University, Chandigarh, India) ; Blazey, Gerald Charles (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Blessing, Susan K (UNDEFINED, Florida State University, Tallahassee, Florida 32306, USA) ; Bloom, Kenneth A (UNDEFINED, University of Nebraska, Lincoln, Nebraska 68588, USA) ; Boehnlein, Amber S (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Boline, Daniel Dooley (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Boos, Edward E (UNDEFINED, Moscow State University, Moscow, Russia) ; Borissov, Guennadi (UNDEFINED, Lancaster University, Lancaster LA1 4YB, United Kingdom) ; Bose, Tulika (UNDEFINED, Boston University, Boston, Massachusetts 02215, USA) ; Brandt, Andrew (UNDEFINED, University of Texas, Arlington, Texas 76019, USA) ; Brandt, Oleg (UNDEFINED, II. Physikalisches Institut, Georg-August-Universit\"at G\"ottingen, G\"ottingen, Germany) ; Brock, Raymond L (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Brooijmans, Gustaaf H (UNDEFINED, Columbia University, New York, New York 10027, USA) ; Bross, Alan D (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Brown, Duncan Paul (UNDEFINED, LPNHE, Universit\'es Paris VI and VII, CNRS/IN2P3, Paris, France) ; Brown, Jonathan (UNDEFINED, LPNHE, Universit\'es Paris VI and VII, CNRS/IN2P3, Paris, France) ; Bu, Xue-Bing (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Buehler, Marc (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Buescher, Volker (UNDEFINED, Institut f\"ur Physik, Universit\"at Mainz, Mainz, Germany) ; Bunichev, Viacheslav Yevgenyevich (UNDEFINED, Moscow State University, Moscow, Russia) ; Burdin, Sergey (UNDEFINED, The University of Liverpool, Liverpool, UK) ; Buszello, Claus Peter (UNDEFINED, Uppsala University, Uppsala, Sweden) ; Camacho-Perez, Enrique (UNDEFINED, CINVESTAV, Mexico City, Mexico) ; Casey, Brendan Cameron Kieran (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Castilla-Valdez, Heriberto (UNDEFINED, CINVESTAV, Mexico City, Mexico) ; Caughron, Seth Aaron (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Chakrabarti, Subhendu (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Chakraborty, Dhiman (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Chan, Kwok Ming Leo (UNDEFINED, University of Notre Dame, Notre Dame, Indiana 46556, USA) ; Chandra, Avdhesh (UNDEFINED, Rice University, Houston, Texas 77005, USA) ; Chapon, Emilien (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Chen, Guo (UNDEFINED, University of Kansas, Lawrence, Kansas 66045, USA) ; Chevalier-Thery, Solene (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Cho, DooKee (UNDEFINED, Brown University, Providence, Rhode Island 02912, USA) ; Cho, Sung-Woong (UNDEFINED, Korea Detector Laboratory, Korea University, Seoul, Korea) ; Choi, Suyong (UNDEFINED, Korea Detector Laboratory, Korea University, Seoul, Korea) ; Choudhary, Brajesh C (UNDEFINED, Delhi University, Delhi, India) ; Cihangir, Selcuk (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Claes, Daniel R (UNDEFINED, University of Nebraska, Lincoln, Nebraska 68588, USA) ; Clutter, Justace Randall (UNDEFINED, University of Kansas, Lawrence, Kansas 66045, USA) ; Cooke, Michael P (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Cooper, William Edward (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Corcoran, Marjorie D (UNDEFINED, Rice University, Houston, Texas 77005, USA) ; Couderc, Fabrice (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Cousinou, Marie-Claude (UNDEFINED, CPPM, Aix-Marseille Universit\'e, CNRS/IN2P3, Marseille, France) ; Croc, Aurelien (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Cutts, David (UNDEFINED, Brown University, Providence, Rhode Island 02912, USA) ; Das, Amitabha (UNDEFINED, University of Arizona, Tucson, Arizona 85721, USA) ; Davies, Gavin John (UNDEFINED, Imperial College London, London SW7 2AZ, United Kingdom) ; de Jong, Sijbrand Jan (UNDEFINED, Radboud University Nijmegen, Nijmegen, the Netherlands) ; De La Cruz-Burelo, Eduard (UNDEFINED, CINVESTAV, Mexico City, Mexico) ; Deliot, Frederic (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Demina, Regina (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Denisov, Dmitri S (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Denisov, Sergei P (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Desai, Satish Vijay (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Deterre, Cecile (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; DeVaughan, Kayle Otis (UNDEFINED, University of Nebraska, Lincoln, Nebraska 68588, USA) ; Diehl, HThomas (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Diesburg, Michael (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Ding, Pengfei (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Dominguez, DAaron M (UNDEFINED, University of Nebraska, Lincoln, Nebraska 68588, USA) ; Dubey, Abhinav Kumar (UNDEFINED, Delhi University, Delhi, India) ; Dudko, Lev V (UNDEFINED, Moscow State University, Moscow, Russia) ; Duggan, Daniel (UNDEFINED, Rutgers University, Piscataway, New Jersey 08855, USA) ; Duperrin, Arnaud (UNDEFINED, CPPM, Aix-Marseille Universit\'e, CNRS/IN2P3, Marseille, France) ; Dutt, Suneel (UNDEFINED, Panjab University, Chandigarh, India) ; Dyshkant, Alexandre (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Eads, Michael T (UNDEFINED, University of Nebraska, Lincoln, Nebraska 68588, USA) ; Edmunds, Daniel L (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Ellison, John A (UNDEFINED, University of California Riverside, Riverside, California 92521, USA) ; Elvira, VDaniel (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Enari, Yuji (UNDEFINED, LPNHE, Universit\'es Paris VI and VII, CNRS/IN2P3, Paris, France) ; Evans, Harold G (UNDEFINED, Indiana University, Bloomington, Indiana 47405, USA) ; Evdokimov, Anatoly V (UNDEFINED, Brookhaven National Laboratory, Upton, New York 11973, USA) ; Evdokimov, Valeri N (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Facini, Gabriel (UNDEFINED, Northeastern University, Boston, Massachusetts 02115, USA) ; Feng, Lei (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Ferbel, Thomas (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Fiedler, Frank (UNDEFINED, Institut f\"ur Physik, Universit\"at Mainz, Mainz, Germany) ; Filthaut, Frank (UNDEFINED, Radboud University Nijmegen, Nijmegen, the Netherlands) ; Fisher, Wade Cameron (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Fisk, HEugene (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Fortner, Michael R (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Fox, Harald (UNDEFINED, Lancaster University, Lancaster LA1 4YB, United Kingdom) ; Fuess, Stuart C (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Garcia-Bellido, Aran (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Garcia-Gonzalez, Jose Andres (UNDEFINED, CINVESTAV, Mexico City, Mexico) ; Garcia-Guerra, G Alejandro (UNDEFINED, UPIITA-IPN, Mexico City, Mexico) ; Gavrilov, Vladimir B (UNDEFINED, Institute for Theoretical and Experimental Physics, Moscow, Russia) ; Gay, Pascal (UNDEFINED, LPC, Universit\'e Blaise Pascal, CNRS/IN2P3, Clermont, France) ; Geng, Weigang (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Gerbaudo, Davide (UNDEFINED, Princeton University, Princeton, New Jersey 08544, USA) ; Gerber, Cecilia Elena (UNDEFINED, University of Illinois at Chicago, Chicago, Illinois 60607, USA) ; Gershtein, Yuri S (UNDEFINED, Rutgers University, Piscataway, New Jersey 08855, USA) ; Ginther, George E (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Golovanov, Georgy Anatolievich (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Goussiou, Anna (UNDEFINED, University of Washington, Seattle, Washington 98195, USA) ; Grannis, Paul D (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Greder, Sebastien (UNDEFINED, IPHC, Universit\'e de Strasbourg, CNRS/IN2P3, Strasbourg, France) ; Greenlee, Herbert B (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Grenier, Gerald Jean (UNDEFINED, IPNL, Universit\'e Lyon 1, CNRS/IN2P3, Villeurbanne, France and Universit\'e de Lyon, Lyon, France) ; Gris, Phillipe Luc (UNDEFINED, LPC, Universit\'e Blaise Pascal, CNRS/IN2P3, Clermont, France) ; Grivaz, Jean-Francois (UNDEFINED, LAL, Universit\'e Paris-Sud, CNRS/IN2P3, Orsay, France) ; Grohsjean, Alexander (UNDEFINED, DESY, Hamburg, Germany) ; Gruenendahl, Stefan (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Gruenewald, Martin Werner (UNDEFINED, University College Dublin, Dublin, Ireland) ; Guillemin, Thibault (UNDEFINED, LAL, Universit\'e Paris-Sud, CNRS/IN2P3, Orsay, France) ; Gutierrez, Gaston R (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Gutierrez, Phillip (UNDEFINED, University of Oklahoma, Norman, Oklahoma 73019, USA) ; Haas, Andrew C (UNDEFINED, SLAC, Menlo Park, CA, USA) ; Hagopian, Sharon L (UNDEFINED, Florida State University, Tallahassee, Florida 32306, USA) ; Haley, Joseph Glenn Biddle (UNDEFINED, Northeastern University, Boston, Massachusetts 02115, USA) ; Han, Liang (UNDEFINED, University of Science and Technology of China, Hefei, People's Republic of China) ; Harder, Kristian (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Harel, Amnon (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Hauptman, John Michael (UNDEFINED, Iowa State University, Ames, Iowa 50011, USA) ; Hays, Jonathan M (UNDEFINED, Imperial College London, London SW7 2AZ, United Kingdom) ; Head, Tim (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Hebbeker, Thomas (UNDEFINED, III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany) ; Hedin, David R (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Hegab, Hatim (UNDEFINED, Oklahoma State University, Stillwater, Oklahoma 74078, USA) ; Heinson, Ann (UNDEFINED, University of California Riverside, Riverside, California 92521, USA) ; Heintz, Ulrich (UNDEFINED, Brown University, Providence, Rhode Island 02912, USA) ; Hensel, Carsten (UNDEFINED, II. Physikalisches Institut, Georg-August-Universit\"at G\"ottingen, G\"ottingen, Germany) ; Heredia-De La Cruz, Ivan (UNDEFINED, CINVESTAV, Mexico City, Mexico) ; Herner, Kenneth Richard (UNDEFINED, University of Michigan, Ann Arbor, Michigan 48109, USA) ; Hesketh, Gavin G (UNDEFINED, University College London, London, UK) ; Hildreth, Michael D (UNDEFINED, University of Notre Dame, Notre Dame, Indiana 46556, USA) ; Hirosky, Robert James (UNDEFINED, University of Virginia, Charlottesville, Virginia 22901, USA) ; Hoang, Trang (UNDEFINED, Florida State University, Tallahassee, Florida 32306, USA) ; Hobbs, John D (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Hoeneisen, Bruce (UNDEFINED, Universidad San Francisco de Quito, Quito, Ecuador) ; Hohlfeld, Mark (UNDEFINED, Institut f\"ur Physik, Universit\"at Mainz, Mainz, Germany) ; Howley, Ian James (UNDEFINED, University of Texas, Arlington, Texas 76019, USA) ; Hubacek, Zdenek (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Hynek, Vlastislav (UNDEFINED, Czech Technical University in Prague, Prague, Czech Republic) ; Iashvili, Ia (UNDEFINED, State University of New York, Buffalo, New York 14260, USA) ; Ilchenko, Yuriy (UNDEFINED, Southern Methodist University, Dallas, Texas 75275, USA) ; Illingworth, Robert A (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Ito, Albert S (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Jabeen, Shabnam (UNDEFINED, Brown University, Providence, Rhode Island 02912, USA) ; Jaffre, Michel J (UNDEFINED, LAL, Universit\'e Paris-Sud, CNRS/IN2P3, Orsay, France) ; Jayasinghe, Ayesh (UNDEFINED, University of Oklahoma, Norman, Oklahoma 73019, USA) ; Jesik, Richard L (UNDEFINED, Imperial College London, London SW7 2AZ, United Kingdom) ; Johns, Kenneth Arthur (UNDEFINED, University of Arizona, Tucson, Arizona 85721, USA) ; Johnson, Emily (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Johnson, Marvin E (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Jonckheere, Alan M (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Jonsson, Per Martin (UNDEFINED, Imperial College London, London SW7 2AZ, United Kingdom) ; Joshi, Jyoti (UNDEFINED, University of California Riverside, Riverside, California 92521, USA) ; Jung, Andreas Werner (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Juste, Aurelio (UNDEFINED, Instituci\'{o} Catalana de Recerca i Estudis Avan\c{c}ats (ICREA) and Institut de F\'{i}sica d'Altes Energies (IFAE), Barcelona, Spain) ; Kaadze, ketino (UNDEFINED, Kansas State University, Manhattan, Kansas 66506, USA) ; Kajfasz, Eric (UNDEFINED, CPPM, Aix-Marseille Universit\'e, CNRS/IN2P3, Marseille, France) ; Karmanov, Dmitriy Y (UNDEFINED, Moscow State University, Moscow, Russia) ; Kasper, Penelope A (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Katsanos, Ioannis (UNDEFINED, University of Nebraska, Lincoln, Nebraska 68588, USA) ; Kehoe, Robert Leo Patrick (UNDEFINED, Southern Methodist University, Dallas, Texas 75275, USA) ; Kermiche, Smain (UNDEFINED, CPPM, Aix-Marseille Universit\'e, CNRS/IN2P3, Marseille, France) ; Khalatyan, Norayr (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Khanov, Alexander (UNDEFINED, Oklahoma State University, Stillwater, Oklahoma 74078, USA) ; Kharchilava, Avto (UNDEFINED, State University of New York, Buffalo, New York 14260, USA) ; Kharzheev, Yuri N (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Kiselevich, Ivan Lvovich (UNDEFINED, Institute for Theoretical and Experimental Physics, Moscow, Russia) ; Kohli, Jatinder M (UNDEFINED, Panjab University, Chandigarh, India) ; Kozelov, Alexander V (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Kraus, James Alexander (UNDEFINED, University of Mississippi, University, Mississippi 38677, USA) ; Kulikov, Segey A (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Kumar, Ashish (UNDEFINED, State University of New York, Buffalo, New York 14260, USA) ; Kupco, Alexander (UNDEFINED, Center for Particle Physics, Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic) ; Kurca, Tibor (UNDEFINED, IPNL, Universit\'e Lyon 1, CNRS/IN2P3, Villeurbanne, France and Universit\'e de Lyon, Lyon, France) ; Kuzmin, Valentin Alexandrovich (UNDEFINED, Moscow State University, Moscow, Russia) ; Lammers, Sabine Wedam (UNDEFINED, Indiana University, Bloomington, Indiana 47405, USA) ; Landsberg, Greg L (UNDEFINED, Brown University, Providence, Rhode Island 02912, USA) ; Lebrun, Patrice (UNDEFINED, IPNL, Universit\'e Lyon 1, CNRS/IN2P3, Villeurbanne, France and Universit\'e de Lyon, Lyon, France) ; Lee, Hyun-Su (UNDEFINED, Korea Detector Laboratory, Korea University, Seoul, Korea) ; Lee, Seh-Wook (UNDEFINED, Iowa State University, Ames, Iowa 50011, USA) ; Lee, William M (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Lellouch, Jeremie (UNDEFINED, LPNHE, Universit\'es Paris VI and VII, CNRS/IN2P3, Paris, France) ; Li, Hengne (UNDEFINED, LPSC, Universit\'e Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, Grenoble, France) ; Li, Liang (UNDEFINED, University of California Riverside, Riverside, California 92521, USA) ; Li, Qi-Zhong (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Lim, Jeong Ku (UNDEFINED, Korea Detector Laboratory, Korea University, Seoul, Korea) ; Lincoln, Donald W (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Linnemann, James Thomas (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Lipaev, Vladimir V (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Lipton, Ronald J (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Liu, Huanzhao (UNDEFINED, Southern Methodist University, Dallas, Texas 75275, USA) ; Liu, Yanwen (UNDEFINED, University of Science and Technology of China, Hefei, People's Republic of China) ; Lobodenko, Alexandre (UNDEFINED, Petersburg Nuclear Physics Institute, St. Petersburg, Russia) ; Lokajicek, Milos (UNDEFINED, Center for Particle Physics, Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic) ; Lopes de Sa, Rafael (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Lubatti, Henry J (UNDEFINED, University of Washington, Seattle, Washington 98195, USA) ; Luna-Garcia, Rene (UNDEFINED, Centro de Investigacion en Computacion - IPN, Mexico City, Mexico) ; Lyon, Adam Leonard (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Maciel, Arthur KA (UNDEFINED, LAFEX, Centro Brasileiro de Pesquisas F\'{i}sicas, Rio de Janeiro, Brazil) ; Madar, Romain (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Magana-Villalba, Ricardo (UNDEFINED, CINVESTAV, Mexico City, Mexico) ; Malik, Sudhir (UNDEFINED, University of Nebraska, Lincoln, Nebraska 68588, USA) ; Malyshev, Vladimir L (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Maravin, Yurii Y (UNDEFINED, Kansas State University, Manhattan, Kansas 66506, USA) ; Martinez-Ortega, Jorge (UNDEFINED, CINVESTAV, Mexico City, Mexico) ; McCarthy, Robert L (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Mcgivern, Carrie Lynne (UNDEFINED, University of Kansas, Lawrence, Kansas 66045, USA) ; Meijer, Melvin M (UNDEFINED, Radboud University Nijmegen, Nijmegen, the Netherlands) ; Melnitchouk, Alexander S (UNDEFINED, University of Mississippi, University, Mississippi 38677, USA) ; Menezes, Diego D (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Mercadante, Pedro Galli (UNDEFINED, Universidade Federal do ABC, Santo Andr\'e, Brazil) ; Merkin, Mikhail M (UNDEFINED, Moscow State University, Moscow, Russia) ; Meyer, Arnd (UNDEFINED, III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany) ; Meyer, Jorg Manfred (UNDEFINED, II. Physikalisches Institut, Georg-August-Universit\"at G\"ottingen, G\"ottingen, Germany) ; Miconi, Florian (UNDEFINED, IPHC, Universit\'e de Strasbourg, CNRS/IN2P3, Strasbourg, France) ; Mondal, Naba K (UNDEFINED, Tata Institute of Fundamental Research, Mumbai, India) ; Mulhearn, Michael James (UNDEFINED, University of Virginia, Charlottesville, Virginia 22901, USA) ; Nagy, Elemer (UNDEFINED, CPPM, Aix-Marseille Universit\'e, CNRS/IN2P3, Marseille, France) ; Naimuddin, Md (Nayeem) (UNDEFINED, Delhi University, Delhi, India) ; Narain, Meenakshi (UNDEFINED, Brown University, Providence, Rhode Island 02912, USA) ; Nayyar, Ruchika (UNDEFINED, University of Arizona, Tucson, Arizona 85721, USA) ; Neal, Homer A (UNDEFINED, University of Michigan, Ann Arbor, Michigan 48109, USA) ; Negret, Juan Pablo (UNDEFINED, Universidad de los Andes, Bogot\'a, Colombia) ; Neustroev, Petr V (UNDEFINED, Petersburg Nuclear Physics Institute, St. Petersburg, Russia) ; Nunnemann, Thomas P (UNDEFINED, Ludwig-Maximilians-Universit\"at M\"unchen, M\"unchen, Germany) ; Obrant, Gennady (UNDEFINED, Petersburg Nuclear Physics Institute, St. Petersburg, Russia) ; Orduna, Jose de Jesus Hernandez (UNDEFINED, Rice University, Houston, Texas 77005, USA) ; Osman, Nicolas Ahmed (UNDEFINED, CPPM, Aix-Marseille Universit\'e, CNRS/IN2P3, Marseille, France) ; Osta, Jyotsna (UNDEFINED, University of Notre Dame, Notre Dame, Indiana 46556, USA) ; Padilla, Mark Anthony (UNDEFINED, University of California Riverside, Riverside, California 92521, USA) ; Pal, Arnab (UNDEFINED, University of Texas, Arlington, Texas 76019, USA) ; Parashar, Neeti (UNDEFINED, Purdue University Calumet, Hammond, Indiana 46323, USA) ; Parihar, Vivek (UNDEFINED, Brown University, Providence, Rhode Island 02912, USA) ; Park, Sung Keun (UNDEFINED, Korea Detector Laboratory, Korea University, Seoul, Korea) ; Partridge, Richard A (UNDEFINED, SLAC, Menlo Park, CA, USA) ; Parua, Nirmalya (UNDEFINED, Indiana University, Bloomington, Indiana 47405, USA) ; Patwa, Abid (UNDEFINED, Brookhaven National Laboratory, Upton, New York 11973, USA) ; Penning, Bjoern (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Perfilov, Maxim Anatolyevich (UNDEFINED, Moscow State University, Moscow, Russia) ; Peters, Reinhild Yvonne Fatima (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Petridis, Konstantinos (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Petrillo, Gianluca (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Petroff, Pierre (UNDEFINED, LAL, Universit\'e Paris-Sud, CNRS/IN2P3, Orsay, France) ; Pleier, Marc-Andre (UNDEFINED, Brookhaven National Laboratory, Upton, New York 11973, USA) ; Podesta-Lerma, Pedro Luis Manuel (UNDEFINED, ECFM, Universidad Autonoma de Sinaloa, Culiac\'an, Mexico) ; Podstavkov, Vladimir M (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Popov, Alexey V (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Prewitt, Michelle (UNDEFINED, Rice University, Houston, Texas 77005, USA) ; Price, Darren (UNDEFINED, Indiana University, Bloomington, Indiana 47405, USA) ; Prokopenko, Nikolay N (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Qian, Jianming (UNDEFINED, University of Michigan, Ann Arbor, Michigan 48109, USA) ; Quadt, Arnulf (UNDEFINED, II. Physikalisches Institut, Georg-August-Universit\"at G\"ottingen, G\"ottingen, Germany) ; Quinn, Brian P (UNDEFINED, University of Mississippi, University, Mississippi 38677, USA) ; Rangel, Murilo Santana (UNDEFINED, LAFEX, Centro Brasileiro de Pesquisas F\'{i}sicas, Rio de Janeiro, Brazil) ; Ranjan, Kirti (UNDEFINED, Delhi University, Delhi, India) ; Ratoff, Peter N (UNDEFINED, Lancaster University, Lancaster LA1 4YB, United Kingdom) ; Razumov, Ivan A (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Renkel, Peter (UNDEFINED, Southern Methodist University, Dallas, Texas 75275, USA) ; Ripp-Baudot, Isabelle (UNDEFINED, IPHC, Universit\'e de Strasbourg, CNRS/IN2P3, Strasbourg, France) ; Rizatdinova, Flera (UNDEFINED, Oklahoma State University, Stillwater, Oklahoma 74078, USA) ; Rominsky, Mandy Kathleen (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Ross, Anthony (UNDEFINED, Lancaster University, Lancaster LA1 4YB, United Kingdom) ; Royon, Christophe (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Rubinov, Paul Michael (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Ruchti, Randal C (UNDEFINED, University of Notre Dame, Notre Dame, Indiana 46556, USA) ; Sajot, Gerard (UNDEFINED, LPSC, Universit\'e Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, Grenoble, France) ; Salcido, Patrick (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Sanchez-Hernandez, Alberto (UNDEFINED, CINVESTAV, Mexico City, Mexico) ; Sanders, Michiel P (UNDEFINED, Ludwig-Maximilians-Universit\"at M\"unchen, M\"unchen, Germany) ; Sanghi, Batbold (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Santos, Angelo Souza (UNDEFINED, Universidade Estadual Paulista, S\~ao Paulo, Brazil) ; Savage, David G (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Sawyer, HLee (UNDEFINED, Louisiana Tech University, Ruston, Louisiana 71272, USA) ; Scanlon, Timothy P (UNDEFINED, Imperial College London, London SW7 2AZ, United Kingdom) ; Schamberger, RDean (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Scheglov, Yury A (UNDEFINED, Petersburg Nuclear Physics Institute, St. Petersburg, Russia) ; Schellman, Heidi M (UNDEFINED, Northwestern University, Evanston, Illinois 60208, USA) ; Schlobohm, Sarah Beth (UNDEFINED, University of Washington, Seattle, Washington 98195, USA) ; Schwanenberger, Christian (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Schwienhorst, Reinhard H (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Sekaric, Jadranka (UNDEFINED, University of Kansas, Lawrence, Kansas 66045, USA) ; Severini, Horst (UNDEFINED, University of Oklahoma, Norman, Oklahoma 73019, USA) ; Shabalina, Elizaveta K (UNDEFINED, II. Physikalisches Institut, Georg-August-Universit\"at G\"ottingen, G\"ottingen, Germany) ; Shary, Viacheslav V (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Shaw, Savanna (UNDEFINED, Michigan State University, East Lansing, Michigan 48824, USA) ; Shchukin, Andrey A (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Shivpuri, Ram K (UNDEFINED, Delhi University, Delhi, India) ; Simak, Vladislav J (UNDEFINED, Czech Technical University in Prague, Prague, Czech Republic) ; Skubic, Patrick Louis (UNDEFINED, University of Oklahoma, Norman, Oklahoma 73019, USA) ; Slattery, Paul F (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Smirnov, Dmitri V (UNDEFINED, University of Notre Dame, Notre Dame, Indiana 46556, USA) ; Smith, Kenneth J (UNDEFINED, State University of New York, Buffalo, New York 14260, USA) ; Snow, Gregory R (UNDEFINED, University of Nebraska, Lincoln, Nebraska 68588, USA) ; Snow, Joel Mark (UNDEFINED, Langston University, Langston, Oklahoma 73050, USA) ; Snyder, Scott Stuart (UNDEFINED, Brookhaven National Laboratory, Upton, New York 11973, USA) ; Soldner-Rembold, Stefan (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Sonnenschein, Lars (UNDEFINED, III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany) ; Soustruznik, Karel (UNDEFINED, Charles University, Faculty of Mathematics and Physics, Center for Particle Physics, Prague, Czech Republic) ; Stark, Jan (UNDEFINED, LPSC, Universit\'e Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, Grenoble, France) ; Stoyanova, Dina A (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Strauss, Michael G (UNDEFINED, University of Oklahoma, Norman, Oklahoma 73019, USA) ; Stutte, Linda G (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Suter, Louise (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Svoisky, Peter V (UNDEFINED, University of Oklahoma, Norman, Oklahoma 73019, USA) ; Takahashi, Maiko (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Titov, Maxim (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Tokmenin, Valeriy V (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Tsai, Yun-Tse (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Tschann-Grimm, Kathryn (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Tsybychev, Dmitri (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Tuchming, Boris (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Tully, Christopher George T (UNDEFINED, Princeton University, Princeton, New Jersey 08544, USA) ; Uvarov, Lev (UNDEFINED, Petersburg Nuclear Physics Institute, St. Petersburg, Russia) ; Uvarov, Sergey L (UNDEFINED, Petersburg Nuclear Physics Institute, St. Petersburg, Russia) ; Uzunyan, Sergey A (UNDEFINED, Northern Illinois University, DeKalb, Illinois 60115, USA) ; Van Kooten, Richard J (UNDEFINED, Indiana University, Bloomington, Indiana 47405, USA) ; Van leeuwen, Willem M (UNDEFINED, Nikhef, Science Park, Amsterdam, the Netherlands) ; Varelas, Nikos (UNDEFINED, University of Illinois at Chicago, Chicago, Illinois 60607, USA) ; Varnes, Erich W (UNDEFINED, University of Arizona, Tucson, Arizona 85721, USA) ; Vasilyev, Igor A (UNDEFINED, Institute for High Energy Physics, Protvino, Russia) ; Verdier, Patrice (UNDEFINED, IPNL, Universit\'e Lyon 1, CNRS/IN2P3, Villeurbanne, France and Universit\'e de Lyon, Lyon, France) ; Verkheev, Alexander Yurievich (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Vertogradov, Leonid S (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Verzocchi, Marco (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Vesterinen, Mika (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Vilanova, Didier (UNDEFINED, CEA, Irfu, SPP, Saclay, France) ; Vokac, Petr (UNDEFINED, Czech Technical University in Prague, Prague, Czech Republic) ; Wahl, Horst D (UNDEFINED, Florida State University, Tallahassee, Florida 32306, USA) ; Wang, Michael HLS (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Warchol, Jadwiga (UNDEFINED, University of Notre Dame, Notre Dame, Indiana 46556, USA) ; Watts, Gordon Thomas (UNDEFINED, University of Washington, Seattle, Washington 98195, USA) ; Wayne, Mitchell R (UNDEFINED, University of Notre Dame, Notre Dame, Indiana 46556, USA) ; Weichert, Jonas (UNDEFINED, Institut f\"ur Physik, Universit\"at Mainz, Mainz, Germany) ; Welty-Rieger, Leah Christine (UNDEFINED, Northwestern University, Evanston, Illinois 60208, USA) ; White, Andrew P (UNDEFINED, University of Texas, Arlington, Texas 76019, USA) ; Wicke, Daniel (UNDEFINED, Fachbereich Physik, Bergische Universit\"at Wuppertal, Wuppertal, Germany) ; Williams, Mark Richard James (UNDEFINED, Lancaster University, Lancaster LA1 4YB, United Kingdom) ; Wilson, Graham Wallace (UNDEFINED, University of Kansas, Lawrence, Kansas 66045, USA) ; Wobisch, Markus (UNDEFINED, Louisiana Tech University, Ruston, Louisiana 71272, USA) ; Wood, Darien Robert (UNDEFINED, Northeastern University, Boston, Massachusetts 02115, USA) ; Wyatt, Terence R (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Xie, Yunhe (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Yamada, Ryuji (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Yang, Wan-ching (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Yasuda, Takahiro (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Yatsunenko, Yuriy A (UNDEFINED, Joint Institute for Nuclear Research, Dubna, Russia) ; Ye, Wanyu (UNDEFINED, State University of New York, Stony Brook, New York 11794, USA) ; Ye, Zhenyu (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Yin, Hang (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Yip, Kin (UNDEFINED, Brookhaven National Laboratory, Upton, New York 11973, USA) ; Youn, Sungwoo (UNDEFINED, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA) ; Zennamo, Joseph (UNDEFINED, State University of New York, Buffalo, New York 14260, USA) ; Zhao, Tianchi (UNDEFINED, University of Washington, Seattle, Washington 98195, USA) ; Zhao, Tianqi Gilbert (UNDEFINED, The University of Manchester, Manchester M13 9PL, United Kingdom) ; Zhou, Bing (UNDEFINED, University of Michigan, Ann Arbor, Michigan 48109, USA) ; Zhu, Junjie (UNDEFINED, University of Michigan, Ann Arbor, Michigan 48109, USA) ; Zielinski, Marek (UNDEFINED, University of Rochester, Rochester, New York 14627, USA) ; Zieminska, Daria (UNDEFINED, Indiana University, Bloomington, Indiana 47405, USA) ; Zivkovic, Lidija (UNDEFINED, Brown University, Providence, Rhode Island 02912, USA)

Pages: 6

Abstract: Using data corresponding to an integrated luminosity of 1.3 fb^-1, we observe a narrow mass state decaying into Upsilon(1S)+gamma, where the Upsilon(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 \pm 0.014 (stat.) \pm 0.017 (syst.) GeV/c^2, which is consistent with that of the state recently observed by the ATLAS Collaboration.

Web-Page: http://lss.fnal.gov/cgi-bin/find_paper.pl?pub-12-084; http://www.fnal.gov/pub/today/archive_2012/today12-04-05.html; http://inspirehep.net/record/1095106/files/arXiv:1203.6034.pdf; http://inspirehep.net/record/1095106/files/Fig1.png; http://inspirehep.net/record/1095106/files/Fig2.png; http://inspirehep.net/record/1095106/files/Fig3.png; http://inspirehep.net/record/1095106/files/Fig5.png


Note: Long author list - awaiting processing; 6 pages, 4 figures

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