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Search for Scalar Charm Quark Pair Production in pp Collisions at sqrt[s]=8 TeV with the ATLAS Detector.
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; Åkesson, 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; Aloisio, A; Alonso, A; Alonso, F; Alpigiani, C.
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 OK, United States of America.
  • 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 OK, United States of America.
  • Abolins M; Department of Physics and Astronomy, Michigan State University, East Lansing MI, United States of America.
  • AbouZeid OS; Department of Physics, University of Toronto, Toronto ON, 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.
  • Acharya BS; The Oskar Klein Centre, Stockholm, Sweden.
  • Adamczyk L; INFN Gruppo Collegato di Udine, Sezione di Trieste, Udine, Italy.
  • Adams DL; ICTP, Trieste, Italy.
  • Adelman J; AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland.
  • Adomeit S; Physics Department, Brookhaven National Laboratory, Upton NY, United States of America.
  • Adye T; Department of Physics, Northern Illinois University, DeKalb IL, United States of America.
  • Agatonovic-Jovin T; Fakultät für Physik, Ludwig-Maximilians-Universität München, München, Germany.
  • Aguilar-Saavedra JA; Particle Physics Department, Rutherford Appleton Laboratory, Didcot, United Kingdom.
  • Agustoni M; Institute of Physics, University of Belgrade, Belgrade, Serbia.
  • Ahlen SP; Laboratorio de Instrumentacao e Fisica Experimental de Particulas-LIP, Lisboa, Portugal.
  • Ahmadov F; Departamento de Fisica Teorica y del Cosmos and CAFPE, Universidad de Granada, Granada, Spain.
  • Aielli G; Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, Switzerland.
  • Akerstedt H; Department of Physics, Boston University, Boston MA, United States of America.
  • Åkesson TP; Joint Institute for Nuclear Research, JINR Dubna, Dubna, Russia.
  • Akimoto G; INFN Sezione di Roma Tor Vergata, Italy.
  • Akimov AV; Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy.
  • Alberghi GL; Department of Physics, Stockholm University, Sweden.
  • Albert J; The Oskar Klein Centre, Stockholm, Sweden.
  • Albrand S; Fysiska institutionen, Lunds universitet, Lund, Sweden.
  • Alconada Verzini MJ; International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo, Tokyo, Japan.
  • Aleksa M; P.N. Lebedev Institute of Physics, Academy of Sciences, Moscow, Russia.
  • Aleksandrov IN; INFN Sezione di Bologna, Italy.
  • Alexa C; Dipartimento di Fisica e Astronomia, Università di Bologna, Bologna, Italy.
  • Alexander G; Department of Physics and Astronomy, University of Victoria, Victoria BC, Canada.
  • Alexandre G; Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS/IN2P3, Grenoble, France.
  • Alexopoulos T; Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, Argentina.
  • Alhroob M; CERN, Geneva, Switzerland.
  • Alimonti G; Joint Institute for Nuclear Research, JINR Dubna, Dubna, Russia.
  • Alio L; National Institute of Physics and Nuclear Engineering, Bucharest, Romania.
  • Alison J; Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel.
  • Allbrooke BM; Section de Physique, Université de Genève, Geneva, Switzerland.
  • Allison LJ; Physics Department, National Technical University of Athens, Zografou, Greece.
  • Allport PP; Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman OK, United States of America.
  • Aloisio A; INFN Sezione di Milano, Italy.
  • Alonso A; CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, France.
  • Alonso F; Enrico Fermi Institute, University of Chicago, Chicago IL, United States of America.
  • Alpigiani C; School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom.
Phys Rev Lett ; 114(16): 161801, 2015 Apr 24.
Article em En | MEDLINE | ID: mdl-25955046
ABSTRACT
The results of a dedicated search for pair production of scalar partners of charm quarks are reported. The search is based on an integrated luminosity of 20.3 fb^{-1} of pp collisions at sqrt[s]=8 TeV recorded with the ATLAS detector at the LHC. The search is performed using events with large missing transverse momentum and at least two jets, where the two leading jets are each tagged as originating from c quarks. Events containing isolated electrons or muons are vetoed. In an R-parity-conserving minimal supersymmetric scenario in which a single scalar-charm state is kinematically accessible, and where it decays exclusively into a charm quark and a neutralino, 95% confidence-level upper limits are obtained in the scalar-charm-neutralino mass plane such that, for neutralino masses below 200 GeV, scalar-charm masses up to 490 GeV are excluded.
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2015 Tipo de documento: Article
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2015 Tipo de documento: Article