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Search for scalar diphoton resonances in the mass range 65-600 GeV with the ATLAS detector in pp collision data at √s=8 TeV.
Aad, G; Abbott, B; Abdallah, J; Abdel Khalek, S; Abdinov, O; Aben, R; Abi, B; Abolins, M; AbouZeid, O S; Abramowicz, H; Abreu, H; Abreu, R; Abulaiti, Y; Acharya, B S; Adamczyk, L; Adams, D L; Adelman, J; Adomeit, S; Adye, T; Agatonovic-Jovin, T; Aguilar-Saavedra, J A; Agustoni, M; Ahlen, S P; Ahmadov, F; Aielli, G; Akerstedt, H; Akesson, T P A; Akimoto, G; Akimov, A V; Alberghi, G L; Albert, J; Albrand, S; Alconada Verzini, M J; Aleksa, M; Aleksandrov, I N; Alexa, C; Alexander, G; Alexandre, G; Alexopoulos, T; Alhroob, M; Alimonti, G; Alio, L; Alison, J; Allbrooke, B M M; Allison, L J; Allport, P P; Almond, J; Aloisio, A; Alonso, A; Alonso, F.
Afiliação
  • Aad G; CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, France.
  • Abbott B; Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, Oklahoma, USA.
  • Abdallah J; Institute of Physics, Academia Sinica, Taipei, Taiwan.
  • Abdel Khalek S; LAL, Université Paris-Sud and CNRS/IN2P3, Orsay, France.
  • Abdinov O; Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan.
  • Aben R; Nikhef National Institute for Subatomic Physics and University of Amsterdam, Amsterdam, Netherlands.
  • Abi B; Department of Physics, Oklahoma State University, Stillwater, Oklahoma, USA.
  • Abolins M; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA.
  • AbouZeid OS; Department of Physics, University of Toronto, Toronto, Ontario, Canada.
  • Abramowicz H; Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel.
  • Abreu H; Department of Physics, Technion: Israel Institute of Technology, Haifa, Israel.
  • Abreu R; CERN, Geneva, Switzerland.
  • Abulaiti Y; Department of Physics, Stockholm University, Sweden and The Oskar Klein Centre, Stockholm, Sweden.
  • Acharya BS; INFN Gruppo Collegato di Udine, Sezione di Trieste, Udine, Italy and ICTP, Trieste, Italy.
  • Adamczyk L; AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland.
  • Adams DL; Physics Department, Brookhaven National Laboratory, Upton, New York, USA.
  • Adelman J; Department of Physics, Yale University, New Haven, Connecticut, USA.
  • Adomeit S; Fakultät für Physik, Ludwig-Maximilians-Universität München, München, Germany.
  • Adye T; Particle Physics Department, Rutherford Appleton Laboratory, Didcot, United Kingdom.
  • Agatonovic-Jovin T; Institute of Physics, University of Belgrade, Belgrade, Serbia.
  • Aguilar-Saavedra JA; Laboratorio de Instrumentacao e Fisica Experimental de Particulas-LIP, Lisboa, Portugal and Departamento de Fisica Teorica y del Cosmos and CAFPE, Universidad de Granada, Granada (Spain), Portugal.
  • Agustoni M; Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, Switzerland.
  • Ahlen SP; Department of Physics, Boston University, Boston, Massachusetts, USA.
  • Ahmadov F; Joint Institute for Nuclear Research, JINR Dubna, Dubna, Russia.
  • Aielli G; INFN Sezione di Roma Tor Vergata, Italy and Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy.
  • Akerstedt H; Department of Physics, Stockholm University, Sweden and The Oskar Klein Centre, Stockholm, Sweden.
  • Akesson TP; Fysiska institutionen, Lunds universitet, Lund, Sweden.
  • Akimoto G; International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo, Tokyo, Japan.
  • Akimov AV; P.N. Lebedev Institute of Physics, Academy of Sciences, Moscow, Russia.
  • Alberghi GL; INFN Sezione di Bologna, Italy and Dipartimento di Fisica e Astronomia, Università di Bologna, Bologna, Italy.
  • Albert J; Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada.
  • Albrand S; Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS/IN2P3, Grenoble, France.
  • Alconada Verzini MJ; Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, Argentina.
  • Aleksa M; CERN, Geneva, Switzerland.
  • Aleksandrov IN; Joint Institute for Nuclear Research, JINR Dubna, Dubna, Russia.
  • Alexa C; National Institute of Physics and Nuclear Engineering, Bucharest, Romania.
  • Alexander G; Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel.
  • Alexandre G; Section de Physique, Université de Genève, Geneva, Switzerland.
  • Alexopoulos T; Physics Department, National Technical University of Athens, Zografou, Greece.
  • Alhroob M; INFN Gruppo Collegato di Udine, Sezione di Trieste, Udine, Italy and Dipartimento di Chimica, Fisica e Ambiente, Università di Udine, Udine, Italy.
  • Alimonti G; INFN Sezione di Milano, Italy.
  • Alio L; CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, France.
  • Alison J; Enrico Fermi Institute, University of Chicago, Chicago, Illinois, USA.
  • Allbrooke BM; School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom.
  • Allison LJ; Physics Department, Lancaster University, Lancaster, United Kingdom.
  • Allport PP; Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom.
  • Almond J; School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom.
  • Aloisio A; INFN Sezione di Napoli, Italy and Dipartimento di Fisica, Università di Napoli, Napoli, Italy.
  • Alonso A; Niels Bohr Institute, University of Copenhagen, Kobenhavn, Denmark.
  • Alonso F; Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, Argentina.
Phys Rev Lett ; 113(17): 171801, 2014 Oct 24.
Article em En | MEDLINE | ID: mdl-25379911
A search for scalar particles decaying via narrow resonances into two photons in the mass range 65-600 GeV is performed using 20.3 fb(-1) of √s 8 TeV pp collision data collected with the ATLAS detector at the Large Hadron Collider. The recently discovered Higgs boson is treated as a background. No significant evidence for an additional signal is observed. The results are presented as limits at the 95% confidence level on the production cross section of a scalar boson times branching ratio into two photons, in a fiducial volume where the reconstruction efficiency is approximately independent of the event topology. The upper limits set extend over a considerably wider mass range than previous searches.
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article