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Beam Energy Dependence of Jet-Quenching Effects in Au+Au Collisions at sqrt[s_{NN}]=7.7, 11.5, 14.5, 19.6, 27, 39, and 62.4 GeV.
Adamczyk, L; Adams, J R; Adkins, J K; Agakishiev, G; Aggarwal, M M; Ahammed, Z; Ajitanand, N N; Alekseev, I; Anderson, D M; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, E C; Ashraf, M U; Attri, A; Averichev, G S; Bai, X; Bairathi, V; Barish, K; Behera, A; Bellwied, R; Bhasin, A; Bhati, A K; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, L C; Bordyuzhin, I G; Bouchet, J; Brandenburg, J D; Brandin, A V; Brown, D; Bunzarov, I; Butterworth, J; Caines, H; Calderón de la Barca Sánchez, M; Campbell, J M; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, J H; Chen, X; Chen, X; Cheng, J; Cherney, M; Christie, W.
Afiliación
  • Adamczyk L; AGH University of Science and Technology, FPACS, Cracow 30-059, Poland.
  • Adams JR; Ohio State University, Columbus, Ohio 43210, USA.
  • Adkins JK; University of Kentucky, Lexington, Kentucky 40506-0055, USA.
  • Agakishiev G; Joint Institute for Nuclear Research, Dubna, 141 980, Russia.
  • Aggarwal MM; Panjab University, Chandigarh 160014, India.
  • Ahammed Z; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Ajitanand NN; State University of New York, Stony Brook, New York 11794, USA.
  • Alekseev I; Alikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, Russia.
  • Anderson DM; National Research Nuclear University MEPhI, Moscow 115409, Russia.
  • Aoyama R; Texas A&M University, College Station, Texas 77843, USA.
  • Aparin A; University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan.
  • Arkhipkin D; Joint Institute for Nuclear Research, Dubna, 141 980, Russia.
  • Aschenauer EC; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Ashraf MU; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Attri A; Tsinghua University, Beijing 100084, China.
  • Averichev GS; Panjab University, Chandigarh 160014, India.
  • Bai X; Joint Institute for Nuclear Research, Dubna, 141 980, Russia.
  • Bairathi V; Central China Normal University, Wuhan, Hubei 430079, China.
  • Barish K; National Institute of Science Education and Research, HBNI, Jatni 752050, India.
  • Behera A; University of California, Riverside, California 92521, USA.
  • Bellwied R; State University of New York, Stony Brook, New York 11794, USA.
  • Bhasin A; University of Houston, Houston, Texas 77204, USA.
  • Bhati AK; University of Jammu, Jammu 180001, India.
  • Bhattarai P; Panjab University, Chandigarh 160014, India.
  • Bielcik J; University of Texas, Austin, Texas 78712, USA.
  • Bielcikova J; Czech Technical University in Prague, FNSPE, Prague, 115 19, Czech Republic.
  • Bland LC; Nuclear Physics Institute AS CR, Prague, 250 68, Czech Republic.
  • Bordyuzhin IG; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Bouchet J; Alikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, Russia.
  • Brandenburg JD; Kent State University, Kent, Ohio 44242, USA.
  • Brandin AV; Rice University, Houston, Texas 77251, USA.
  • Brown D; National Research Nuclear University MEPhI, Moscow 115409, Russia.
  • Bunzarov I; Lehigh University, Bethlehem, Pennsylvania 18015, USA.
  • Butterworth J; Joint Institute for Nuclear Research, Dubna, 141 980, Russia.
  • Caines H; Rice University, Houston, Texas 77251, USA.
  • Calderón de la Barca Sánchez M; Yale University, New Haven, Connecticut 06520, USA.
  • Campbell JM; University of California, Davis, California 95616, USA.
  • Cebra D; Ohio State University, Columbus, Ohio 43210, USA.
  • Chakaberia I; University of California, Davis, California 95616, USA.
  • Chaloupka P; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Chang Z; Czech Technical University in Prague, FNSPE, Prague, 115 19, Czech Republic.
  • Chankova-Bunzarova N; Texas A&M University, College Station, Texas 77843, USA.
  • Chatterjee A; Joint Institute for Nuclear Research, Dubna, 141 980, Russia.
  • Chattopadhyay S; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Chen JH; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Chen X; Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China.
  • Chen X; Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China.
  • Cheng J; University of Science and Technology of China, Hefei, Anhui 230026, China.
  • Cherney M; Tsinghua University, Beijing 100084, China.
  • Christie W; Creighton University, Omaha, Nebraska 68178, USA.
Phys Rev Lett ; 121(3): 032301, 2018 Jul 20.
Article en En | MEDLINE | ID: mdl-30085817
We report measurements of the nuclear modification factor R_{CP} for charged hadrons as well as identified π^{+(-)}, K^{+(-)}, and p(p[over ¯]) for Au+Au collision energies of sqrt[s_{NN}]=7.7, 11.5, 14.5, 19.6, 27, 39, and 62.4 GeV. We observe a clear high-p_{T} net suppression in central collisions at 62.4 GeV for charged hadrons which evolves smoothly to a large net enhancement at lower energies. This trend is driven by the evolution of the pion spectra but is also very similar for the kaon spectra. While the magnitude of the proton R_{CP} at high p_{T} does depend on the collision energy, neither the proton nor the antiproton R_{CP} at high p_{T} exhibit net suppression at any energy. A study of how the binary collision-scaled high-p_{T} yield evolves with centrality reveals a nonmonotonic shape that is consistent with the idea that jet quenching is increasing faster than the combined phenomena that lead to enhancement.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2018 Tipo del documento: Article País de afiliación: Polonia
Texto completo
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2018 Tipo del documento: Article País de afiliación: Polonia