Jet-like correlations with direct-photon and neutral-pion triggers at sNN=200 GeV
L. AdamczykAGH University of Science and Technology, FPACS, Cracow 30-059, PolandJ. K. AdkinsUniversity of Kentucky, Lexington, KY 40506-0055, United StatesG. AgakishievJoint Institute for Nuclear Research, Dubna 141 980, RussiaM. M. AggarwalPanjab University, Chandigarh 160014, IndiaZ. AhammedVariable Energy Cyclotron Centre, Kolkata 700064, IndiaI. AlekseevAlikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, RussiaD. M. AndersonTexas A&M University, College Station, TX 77843, United StatesA. AparinJoint Institute for Nuclear Research, Dubna 141 980, RussiaD. ArkhipkinBrookhaven National Laboratory, Upton, NY 11973, United StatesE. C. AschenauerBrookhaven National Laboratory, Upton, NY 11973, United StatesM. U. AshrafTsinghua University, Beijing 100084, ChinaA. AttriPanjab University, Chandigarh 160014, IndiaG. S. AverichevJoint Institute for Nuclear Research, Dubna 141 980, RussiaX. BaiCentral China Normal University, Wuhan, Hubei 430079, ChinaV. BairathiNational Institute of Science Education and Research, Bhubaneswar 751005, IndiaR. BellwiedUniversity of Houston, Houston, TX 77204, United StatesA. BhasinUniversity of Jammu, Jammu 180001, IndiaA. K. BhatiPanjab University, Chandigarh 160014, IndiaP. BhattaraiUniversity of Texas, Austin, TX 78712, United StatesJ. BielčíkCzech Technical University in Prague, FNSPE, Prague 115 19, Czech RepublicJ. BielčíkováAGH University of KrakowL. C. BlandaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandI. G. BordyuzhinAlikhanov Institute for Theoretical and Experimental Physics , Moscow 117218 , RussiaJ. BouchetaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandJ. D. BrandenburgShanghai Institute of Applied Physics , Chinese Academy of Sciences , Shanghai 201800 , ChinaA. V. BrandinShanghai Institute of Applied Physics , Chinese Academy of Sciences , Shanghai 201800 , ChinaI. BunzarovJoint Institute for Nuclear Research , Dubna 141 980 , RussiaJ. M. ButterworthaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandH. Cainesau United States Naval Academy , Annapolis , MD 21402 , United StatesM. Calderon De La Barca SanchezaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandJ. M. CampbellaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandD. CebraaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandI. ChakaberiaBrookhaven National Laboratory , Upton , NY 11973 , United StatesP. ChaloupkaaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandZ. ChangShanghai Institute of Applied Physics , Chinese Academy of Sciences , Shanghai 201800 , ChinaA. ChatterjeeVariable Energy Cyclotron Centre, Kolkata 700064, IndiaS. ChattopadhyayVariable Energy Cyclotron Centre , Kolkata 700064 , IndiaX. ChenInstitute of Modern Physics , Chinese Academy of Sciences , Lanzhou , Gansu 730000 , ChinaJ.H. ChenaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandJ. ChengPanjab University , Chandigarh 160014 , IndiaM. CherneyCreighton University , Omaha , NE 68178 , United StatesW. ChristieaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandG. ContinLawrence Berkeley National Laboratory , Berkeley , CA 94720 , United StatesH. J. CrawfordaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandS. DasaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandL.C. De SilvaaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandR. R. DebbeBrookhaven National Laboratory , Upton , NY 11973 , United StatesT. G. DedovichJoint Institute for Nuclear Research , Dubna 141 980 , RussiaJ. DengPanjab University , Chandigarh 160014 , IndiaA. A. DerevschikovInstitute of High Energy Physics , Protvino 142281 , RussiaB. Di RuzzaBrookhaven National Laboratory , Upton , NY 11973 , United StatesL. DidenkoBrookhaven National Laboratory , Upton , NY 11973 , United StatesC. DilksaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandX. DongLawrence Berkeley National Laboratory , Berkeley , CA 94720 , United StatesJ. L. DrachenbergLamar University , Beaumont , TX 77710 , United StatesJ. E. DraperaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandC. M. DuaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandL. E. DunkelbergeraAGH University of Science and Technology, FPACS, Cracow 30-059, PolandJ. C. DunlopBrookhaven National Laboratory , Upton , NY 11973 , United StatesL. G. EfimovJoint Institute for Nuclear Research , Dubna 141 980 , RussiaJ. EngelageaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandG. EppleyaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandR. EshaaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandO. EvdokimovaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandO. EyseraAGH University of Science and Technology, FPACS, Cracow 30-059, PolandR. FatemiaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandS. FazioBrookhaven National Laboratory , Upton , NY 11973 , United StatesP. FedericaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandJ. FedorišinJoint Institute for Nuclear Research , Dubna 141 980 , RussiaZ. FengCentral China Normal University , Wuhan , Hubei 430079 , ChinaP. FilipJoint Institute for Nuclear Research , Dubna 141 980 , RussiaY. FisyakBrookhaven National Laboratory , Upton , NY 11973 , United StatesC. E. FloresaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandŁ. FulekAGH University of Science and Technology , FPACS , Cracow 30-059 , PolandC. A. GagliardiaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandD. GarandaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandF. J. M. GeurtsRice University , Houston , TX 77251 , United StatesS. M. GibsonaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandM. GirardaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandL. GreineraAGH University of Science and Technology, FPACS, Cracow 30-059, PolandD. GrosnickaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandD. S. GunarathneaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandY. GuoaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandS. K. GuptaUniversity of Jammu , Jammu 180001 , IndiaA. GuptaUniversity of Jammu , Jammu 180001 , IndiaW. GurynBrookhaven National Laboratory , Upton , NY 11973 , United StatesA. I. HamadKent State University , Kent , OH 44242 , United StatesA. HamedaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandM. R. HaqueaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandJ. W. HarrisaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandL. HeaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandS. HeppelmannaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandS. HeppelmannaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandA. HirschAGH University of KrakowG. W. HoffmannaAGH University of Science and Technology, FPACS, Cracow 30-059, PolandS. HorvatYale University , New Haven , CT 06520 , United StatesT. HuangNational Cheng Kung UniversityB. HuangShanghai Institute of Applied Physics , Chinese Academy of Sciences , Shanghai 201800 , ChinaX. HuangShanghai Institute of Applied Physics , Chinese Academy of Sciences , Shanghai 201800 , ChinaH. Z. HuangAGH University of Krakow
2016lv
Ochiq kirishOlmos
Litsenziya: cc-by
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Annotatsiya
Azimuthal correlations of charged hadrons with direct-photon ( γ d i r ) and neutral-pion ( π 0 ) trigger particles are analyzed in central Au+Au and minimum-bias p + p collisions at s N N = 200 GeV in the STAR experiment. The charged-hadron per-trigger yields at mid-rapidity from central Au+Au collisions are compared with p + p collisions to quantify the suppression in Au+Au collisions. The suppression of the away-side associated-particle yields per γ d i r trigger is independent of the transverse momentum of the trigger particle ( p T trig ), whereas the suppression is smaller at low transverse momentum of the associated charged hadrons ( p T assoc ). Within uncertainty, similar levels of suppression are observed for γ d i r and π 0 triggers as a function of z T ( ≡ p T assoc / p T trig ). The results are compared with energy-loss-inspired theoretical model predictions. Our studies support previous conclusions that the lost energy reappears predominantly at low transverse momentum, regardless of the trigger energy.
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