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Beam Energy Dependence of the Third Harmonic of Azimuthal Correlations in Au+Au Collisions at RHIC

Adamczyk, L ; Adkins, JK ; Agakishiev, G ; Aggarwal, MM ; Ahammed, Z ; Alekseev, I ; Aparin, A ; Arkhipkin, D ; Aschenauer, EC ; Attri, A ; Averichev, GS ; Bai, X ; Bairathi, V ; Bellwied, R ; Bhasin, A ; Bhati, AK ; Bhattarai, P ; Bielcik, J ; Bielcikova, J ; Bland, LC ; Bordyuzhin, IG ; Bouchet, J ; Brandenburg, JD ; Brandin, AV ; Bunzarov, I ; Butterworth, J ; Caines, H ; Calderón de la Barca Sánchez, M ; Campbell, JM ; Cebra, D ; Chakaberia, I ; Chaloupka, P ; Chang, Z ; Chatterjee, A ; Chattopadhyay, S ; Chen, JH ; Chen, X ; Cheng, J ; Cherney, M ; Christie, W ; Contin, G ; Crawford, HJ ; Das, S ; De Silva, LC ; Debbe, RR ; Dedovich, TG ; Deng, J ; Derevschikov, AA ; di Ruzza, B ; Didenko, L ; Dilks, C ; Dong, X ; Drachenberg, JL ; Draper, JE ; Du, CM ; Dunkelberger, LE ; Dunlop, JC ; Efimov, LG ; Engelage, J ; Eppley, G ; Esha, R ; Evdokimov, O ; Eyser, O ; Fatemi, R ; Fazio, S ; Federic, P ; Fedorisin, J ; Feng, Z ; Filip, P ; Fisyak, Y ; Flores, CE ; Fulek, L ; Gagliardi, CA ; Garand, D ; Geurts, F ; Gibson, A ; Girard, M ; Greiner, L ; Grosnick, D ; Gunarathne, DS ; Guo, Y ; Gupta, S ; Gupta, A ; Guryn, W ; Hamad, AI ; Hamed, A ; Haque, R ; Harris, JW ; He, L ; Heppelmann, S ; Hirsch, A ; Hoffmann, GW ; Horvat, S ; Huang, T ; Huang, X ; Huang, B ; Huang, HZ ; Huck, P ; Humanic, TJ

Physical Review Letters, 2016-03, Vol.116 (11)

eScholarship, University of California

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Título:
Beam Energy Dependence of the Third Harmonic of Azimuthal Correlations in Au+Au Collisions at RHIC
Autor: Adamczyk, L ; Adkins, JK ; Agakishiev, G ; Aggarwal, MM ; Ahammed, Z ; Alekseev, I ; Aparin, A ; Arkhipkin, D ; Aschenauer, EC ; Attri, A ; Averichev, GS ; Bai, X ; Bairathi, V ; Bellwied, R ; Bhasin, A ; Bhati, AK ; Bhattarai, P ; Bielcik, J ; Bielcikova, J ; Bland, LC ; Bordyuzhin, IG ; Bouchet, J ; Brandenburg, JD ; Brandin, AV ; Bunzarov, I ; Butterworth, J ; Caines, H ; Calderón de la Barca Sánchez, M ; Campbell, JM ; Cebra, D ; Chakaberia, I ; Chaloupka, P ; Chang, Z ; Chatterjee, A ; Chattopadhyay, S ; Chen, JH ; Chen, X ; Cheng, J ; Cherney, M ; Christie, W ; Contin, G ; Crawford, HJ ; Das, S ; De Silva, LC ; Debbe, RR ; Dedovich, TG ; Deng, J ; Derevschikov, AA ; di Ruzza, B ; Didenko, L ; Dilks, C ; Dong, X ; Drachenberg, JL ; Draper, JE ; Du, CM ; Dunkelberger, LE ; Dunlop, JC ; Efimov, LG ; Engelage, J ; Eppley, G ; Esha, R ; Evdokimov, O ; Eyser, O ; Fatemi, R ; Fazio, S ; Federic, P ; Fedorisin, J ; Feng, Z ; Filip, P ; Fisyak, Y ; Flores, CE ; Fulek, L ; Gagliardi, CA ; Garand, D ; Geurts, F ; Gibson, A ; Girard, M ; Greiner, L ; Grosnick, D ; Gunarathne, DS ; Guo, Y ; Gupta, S ; Gupta, A ; Guryn, W ; Hamad, AI ; Hamed, A ; Haque, R ; Harris, JW ; He, L ; Heppelmann, S ; Hirsch, A ; Hoffmann, GW ; Horvat, S ; Huang, T ; Huang, X ; Huang, B ; Huang, HZ ; Huck, P ; Humanic, TJ
Assuntos: Engineering ; General Physics ; Mathematical Sciences ; nucl-ex ; Nuclear and Plasma Physics ; Particle and High Energy Physics ; Physical Sciences ; STAR Collaboration
É parte de: Physical Review Letters, 2016-03, Vol.116 (11)
Notas: 112302
Physical Review Letters, vol 116, iss 11
Descrição: We present results from a harmonic decomposition of two-particle azimuthal correlations measured with the STAR detector in Au+Au collisions for energies ranging from sqrt[s_{NN}]=7.7 to 200 GeV. The third harmonic v_{3}^{2}{2}=⟨cos3(ϕ_{1}-ϕ_{2})⟩, where ϕ_{1}-ϕ_{2} is the angular difference in azimuth, is studied as a function of the pseudorapidity difference between particle pairs Δη=η_{1}-η_{2}. Nonzero v_{3}^{2}{2} is directly related to the previously observed large-Δη narrow-Δϕ ridge correlations and has been shown in models to be sensitive to the existence of a low viscosity quark gluon plasma phase. For sufficiently central collisions, v_{3}^{2}{2} persist down to an energy of 7.7 GeV, suggesting that quark gluon plasma may be created even in these low energy collisions. In peripheral collisions at these low energies, however, v_{3}^{2}{2} is consistent with zero. When scaled by the pseudorapidity density of charged-particle multiplicity per participating nucleon pair, v_{3}^{2}{2} for central collisions shows a minimum near sqrt[s_{NN}]=20 GeV.
Editor: eScholarship, University of California
Idioma: Inglês

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Beam Energy Dependence of the Third Harmonic of Azimuthal Correlations in Au+Au Collisions at RHIC

eScholarship, University of California

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