Search for top and bottom squarks from gluino pair production in final states with missing transverse energy and at least three b-jets with the ATLAS detector
刊名:The European Physical Journal C - Particles and Fields
出版年:2012
出版时间:October 2012
年:2012
卷:72
期:10
全文大小:1.4 MB
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作者单位:1. CERN, 1211 Geneva 23, Switzerland2. Physics Department, SUNY Albany, Albany, NY, United States of America3. Department of Physics, University of Alberta, Edmonton, AB, Canada4. Department of Physics, Ankara University, Ankara, Turkey5. Department of Physics, Dumlupinar University, Kutahya, Turkey6. Department of Physics, Gazi University, Ankara, Turkey7. Division of Physics, TOBB University of Economics and Technology, Ankara, Turkey8. Turkish Atomic Energy Authority, Ankara, Turkey9. LAPP, CNRS/IN2P3 and Université de Savoie, Annecy-le-Vieux, France10. High Energy Physics Division, Argonne National Laboratory, Argonne, IL, United States of America11. Department of Physics, University of Arizona, Tucson, AZ, United States of America12. Department of Physics, The University of Texas at Arlington, Arlington, TX, United States of America13. Physics Department, University of Athens, Athens, Greece14. Physics Department, National Technical University of Athens, Zografou, Greece15. Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan16. Institut de Física d’Altes Energies and Departament de Física de la Universitat Autònoma de Barcelona and ICREA, Barcelona, Spain17. Institute of Physics, University of Belgrade, Belgrade, Serbia18. Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia19. Department for Physics and Technology, University of Bergen, Bergen, Norway20. Physics Division, Lawrence Berkeley National Laboratory and University of California, Berkeley, CA, United States of America21. Department of Physics, Humboldt University, Berlin, Germany22. Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, Switzerland23. School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom24. Department of Physics, Bogazici University, Istanbul, Turkey25. Division of Physics, Dogus University, Istanbul, Turkey26. Department of Physics Engineering, Gaziantep University, Gaziantep, Turkey27. Department of Physics, Istanbul Technical University, Istanbul, Turkey28. INFN Sezione di Bologna, Bologna, Italy29. Dipartimento di Fisica, Università di Bologna, Bologna, Italy30. Physikalisches Institut, University of Bonn, Bonn, Germany31. Department of Physics, Boston University, Boston, MA, United States of America32. Department of Physics, Brandeis University, Waltham, MA, United States of America33. Universidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, Brazil34. Federal University of Juiz de Fora (UFJF), Juiz de Fora, Brazil35. Federal University of Sao Joao del Rei (UFSJ), Sao Joao del Rei, Brazil36. Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo, Brazil37. Physics Department, Brookhaven National Laboratory, Upton, NY, United States of America38. National Institute of Physics and Nuclear Engineering, Bucharest, Romania39. University Politehnica Bucharest, Bucharest, Romania40. West University in Timisoara, Timisoara, Romania41. Departamento de Física, Universidad de Buenos Aires, Buenos Aires, Argentina42. Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom43. Department of Physics, Carleton University, Ottawa, ON, Canada44. CERN, Geneva, Switzerland45. Enrico Fermi Institute, University of Chicago, Chicago, IL, United States of America46. Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile47. Departamento de Física, Universidad Técnica Federico Santa María, Valparaíso, Chile48. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China49. Department of Modern Physics, University of Science and Technology of China, Anhui, China50. Department of Physics, Nanjing University, Jiangsu, China51. School of Physics, Shandong University, Shandong, China52. Laboratoire de Physique Corpusculaire, Clermont Université and Université Blaise Pascal and CNRS/IN2P3, Aubiere Cedex, France53. Nevis Laboratory, Columbia University, Irvington, NY, United States of America54. Niels Bohr Institute, University of Copenhagen, Kobenhavn, Denmark55. INFN Gruppo Collegato di Cosenza, Arcavata di Rende, Italy56. Dipartimento di Fisica, Università della Calabria, Arcavata di Rende, Italy57. AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland58. The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland59. Physics Department, Southern Methodist University, Dallas, TX, United States of America60. Physics Department, University of Texas at Dallas, Richardson, TX, United States of America61. DESY, Hamburg and, Zeuthen, Germany62. Institut für Experimentelle Physik IV, Technische Universit?t Dortmund, Dortmund, Germany63. Institut für Kern-und Teilchenphysik, Technical University Dresden, Dresden, Germany64. Department of Physics, Duke University, Durham, NC, United States of America65. SUPA - School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom66. INFN Laboratori Nazionali di Frascati, Frascati, Italy67. Fakult?t für Mathematik und Physik, Albert-Ludwigs-Universit?t, Freiburg, Germany68. Section de Physique, Université de Genève, Geneva, Switzerland69. INFN Sezione di Genova, Genova, Italy70. Dipartimento di Fisica, Università di Genova, Genova, Italy71. E. Andronikashvili Institute of Physics, Tbilisi State University, Tbilisi, Georgia72. High Energy Physics Institute, Tbilisi State University, Tbilisi, Georgia73. II Physikalisches Institut, Justus-Liebig-Universit?t Giessen, Giessen, Germany74. SUPA - School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom75. II Physikalisches Institut, Georg-August-Universit?t, G?ttingen, Germany76. Laboratoire de Physique Subatomique et de Cosmologie, Université Joseph Fourier and CNRS/IN2P3 and Institut National Polytechnique de Grenoble, Grenoble, France77. Department of Physics, Hampton University, Hampton, VA, United States of America78. Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA, United States of America79. Kirchhoff-Institut für Physik, Ruprecht-Karls-Universit?t Heidelberg, Heidelberg, Germany80. Physikalisches Institut, Ruprecht-Karls-Universit?t Heidelberg, Heidelberg, Germany81. ZITI Institut für technische Informatik, Ruprecht-Karls-Universit?t Heidelberg, Mannheim, Germany82. Faculty of Applied Information Science, Hiroshima Institute of Technology, Hiroshima, Japan83. Department of Physics, Indiana University, Bloomington, IN, United States of America84. Institut für Astro-und Teilchenphysik, Leopold-Franzens-Universit?t, Innsbruck, Austria85. University of Iowa, Iowa City, IA, United States of America86. Department of Physics and Astronomy, Iowa State University, Ames, IA, United States of America87. Joint Institute for Nuclear Research, JINR Dubna, Dubna, Russia88. KEK, High Energy Accelerator Research Organization, Tsukuba, Japan89. Graduate School of Science, Kobe University, Kobe, Japan90. Faculty of Science, Kyoto University, Kyoto, Japan91. Kyoto University of Education, Kyoto, Japan92. Department of Physics, Kyushu University, Fukuoka, Japan93. Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, Argentina94. Physics Department, Lancaster University, Lancaster, United Kingdom95. INFN Sezione di Lecce, Lecce, Italy96. Dipartimento di Matematica e Fisica, Università del Salento, Lecce, Italy97. Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom98. Department of Physics, Jo?ef Stefan Institute and University of Ljubljana, Ljubljana, Slovenia99. School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom100. Department of Physics, Royal Holloway University of London, Surrey, United Kingdom101. Department of Physics and Astronomy, University College London, London, United Kingdom102. Laboratoire de Physique Nucléaire et de Hautes Energies, UPMC and Université Paris-Diderot and CNRS/IN2P3, Paris, France103. Fysiska institutionen, Lunds universitet, Lund, Sweden104. Departamento de Fisica Teorica C-15, Universidad Autonoma de Madrid, Madrid, Spain105. Institut für Physik, Universit?t Mainz, Mainz, Germany106. School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom107. CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, France108. Department of Physics, University of Massachusetts, Amherst, MA, United States of America109. Department of Physics, McGill University, Montreal, QC, Canada110. School of Physics, University of Melbourne, Victoria, Australia111. Department of Physics, The University of Michigan, Ann Arbor, MI, United States of America112. Department of Physics and Astronomy, Michigan State University, East, Lansing, MI, United States of America113. INFN Sezione di Milano, Milano, Italy114. Dipartimento di Fisica, Università di Milano, Milano, Italy115. B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Republic of Belarus116. National Scientific and Educational Centre for Particle and High Energy Physics, Minsk, Republic of Belarus117. Department of Physics, Massachusetts Institute of Technology, Cambridge, MA, United States of America118. Group of Particle Physics, University of Montreal, Montreal, QC, Canada119. P.N. Lebedev Institute of Physics, Academy of Sciences, Moscow, Russia120. Institute for Theoretical and Experimental Physics (ITEP), Moscow, Russia121. Moscow Engineering and Physics Institute (MEPhI), Moscow, Russia122. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia123. Fakult?t für Physik, Ludwig-Maximilians-Universit?t München, München, Germany124. Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), München, Germany125. Nagasaki Institute of Applied Science, Nagasaki, Japan126. Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University, Nagoya, Japan127. INFN Sezione di Napoli, Napoli, Italy128. Dipartimento di Scienze Fisiche, Università di Napoli, Napoli, Italy129. Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM, United States of America130. Institute for Mathematics, Astrophysics and Particle Physics, Radboud University Nijmegen/Nikhef, Nijmegen, Netherlands131. Nikhef National Institute for Subatomic Physics and University of Amsterdam, Amsterdam, Netherlands132. Department of Physics, Northern Illinois University, DeKalb, IL, United States of America133. Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, Russia134. Department of Physics, New York University, New York, NY, United States of America135. Ohio State University, Columbus, OH, United States of America136. Faculty of Science, Okayama University, Okayama, Japan137. Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK, United States of America138. Department of Physics, Oklahoma State University, Stillwater, OK, United States of America139. Palacky University, RCPTM, Olomouc, Czech Republic140. Center for High Energy Physics, University of Oregon, Eugene, OR, United States of America141. LAL, Université Paris-Sud and CNRS/IN2P3, Orsay, France142. Graduate School of Science, Osaka University, Osaka, Japan143. Department of Physics, University of Oslo, Oslo, Norway144. Department of Physics, Oxford University, Oxford, United Kingdom145. INFN Sezione di Pavia, Pavia, Italy146. Dipartimento di Fisica, Università di Pavia, Pavia, Italy147. Department of Physics, University of Pennsylvania, Philadelphia, PA, United States of America148. Petersburg Nuclear Physics Institute, Gatchina, Russia149. INFN Sezione di Pisa, Pisa, Italy150. Dipartimento di Fisica E. Fermi, Università di Pisa, Pisa, Italy151. Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA, United States of America152. Laboratorio de Instrumentacao e Fisica Experimental de Particulas - LIP, Lisboa, Portugal153. Departamento de Fisica Teorica y del Cosmos and CAFPE, Universidad de Granada, Granada, Spain154. Institute of Physics, Academy of Sciences of the Czech Republic, Praha, Czech Republic155. Faculty of Mathematics and Physics, Charles University in Prague, Praha, Czech Republic156. Czech Technical University in Prague, Praha, Czech Republic157. State Research Center Institute for High Energy Physics, Protvino, Russia158. Particle Physics Department, Rutherford Appleton Laboratory, Didcot, United Kingdom159. Physics Department, University of Regina, Regina, SK, Canada160. Ritsumeikan University, Kusatsu, Shiga, Japan161. INFN Sezione di Roma I, Roma, Italy162. Dipartimento di Fisica, Università La Sapienza, Roma, Italy163. INFN Sezione di Roma Tor Vergata, Roma, Italy164. Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy165. INFN Sezione di Roma Tre, Roma, Italy166. Dipartimento di Fisica, Università Roma Tre, Roma, Italy167. Faculté des Sciences Ain Chock, Réseau Universitaire de Physique des Hautes Energies - Université Hassan II, Casablanca, Morocco168. Centre National de l’Energie des Sciences Techniques Nucleaires, Rabat, Morocco169. Faculté des Sciences Semlalia, Université Cadi Ayyad, LPHEA-Marrakech, Morocco170. Faculté des Sciences, Université Mohamed Premier and LPTPM, Oujda, Morocco171. Faculté des sciences, Université Mohammed V-Agdal, Rabat, Morocco172. DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de l’Univers), CEA Saclay (Commissariat a l’Energie Atomique), Gif-sur-Yvette, France173. Santa Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, CA, United States of America174. Department of Physics, University of Washington, Seattle, WA, United States of America175. Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom176. Department of Physics, Shinshu University, Nagano, Japan177. Fachbereich Physik, Universit?t Siegen, Siegen, Germany178. Department of Physics, Simon Fraser University, Burnaby, BC, Canada179. SLAC National Accelerator Laboratory, Stanford, CA, United States of America180. Faculty of Mathematics, Physics & Informatics, Comenius University, Bratislava, Slovak Republic181. Department of Subnuclear Physics, Institute of Experimental Physics of the Slovak Academy of Sciences, Kosice, Slovak Republic182. Department of Physics, University of Johannesburg, Johannesburg, South Africa183. School of Physics, University of the Witwatersrand, Johannesburg, South Africa184. Department of Physics, Stockholm University, Stockholm, Sweden185. The Oskar Klein Centre, Stockholm, Sweden186. Physics Department, Royal Institute of Technology, Stockholm, Sweden187. Departments of Physics & Astronomy and Chemistry, Stony Brook University, Stony Brook, NY, United States of America188. Department of Physics and Astronomy, University of Sussex, Brighton, United Kingdom189. School of Physics, University of Sydney, Sydney, Australia190. Institute of Physics, Academia Sinica, Taipei, Taiwan191. Department of Physics, Technion: Israel Institute of Technology, Haifa, Israel192. Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel193. Department of Physics, Aristotle University of Thessaloniki, Thessaloniki, Greece194. International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo, Tokyo, Japan195. Graduate School of Science and Technology, Tokyo Metropolitan University, Tokyo, Japan196. Department of Physics, Tokyo Institute of Technology, Tokyo, Japan197. Department of Physics, University of Toronto, Toronto, ON, Canada198. TRIUMF, Vancouver, BC, Canada199. Department of Physics and Astronomy, York University, Toronto, ON, Canada200. Institute of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571 Japan201. Science and Technology Center, Tufts University, Medford, MA, United States of America202. Centro de Investigaciones, Universidad Antonio Narino, Bogota, Colombia203. Department of Physics and Astronomy, University of California Irvine, Irvine, CA, United States of America204. INFN Gruppo Collegato di Udine, Udine, Italy205. ICTP, Trieste, Italy206. Dipartimento di Chimica, Fisica e Ambiente, Università di Udine, Udine, Italy207. Department of Physics, University of Illinois, Urbana, IL, United States of America208. Department of Physics and Astronomy, University of Uppsala, Uppsala, Sweden209. Instituto de Física Corpuscular (IFIC) and Departamento de Física Atómica, Molecular y Nuclear and Departamento de Ingeniería Electrónica and Instituto de Microelectrónica de Barcelona (IMB-CNM), University of Valencia and CSIC, Valencia, Spain210. Department of Physics, University of British Columbia, Vancouver, BC, Canada211. Department of Physics and Astronomy, University of Victoria, Victoria, BC, Canada212. Department of Physics, University of Warwick, Coventry, United Kingdom213. Waseda University, Tokyo, Japan214. Department of Particle Physics, The Weizmann Institute of Science, Rehovot, Israel215. Department of Physics, University of Wisconsin, Madison, WI, United States of America216. Fakult?t für Physik und Astronomie, Julius-Maximilians-Universit?t, Würzburg, Germany217. Fachbereich C Physik, Bergische Universit?t Wuppertal, Wuppertal, Germany218. Department of Physics, Yale University, New Haven, CT, United States of America219. Yerevan Physics Institute, Yerevan, Armenia220. Domaine scientifique de la Doua, Centre de Calcul CNRS/IN2P3, Villeurbanne Cedex, France
ISSN:1434-6052
文摘
This letter reports the results of a search for top and bottom squarks from gluino pair production in 4.7 fb?1 of pp collisions at ?s=7 TeV\sqrt{s}=7~\mathrm{TeV} using the ATLAS detector at the LHC. The search is performed in events with large missing transverse momentum and at least three jets identified as originating from a b-quark. Exclusion limits are presented for a variety of gluino-mediated models with gluino masses up to 1 TeV excluded.