Experimental Studies Of Di-Jet Survival And Surface Emission Bias In Au Plus Au Collisions Via Angular Correlations With Respect To Back-To-Back Leading Hadrons

H. Agakishiev,M. M. Aggarwal, Z. Ahammed,A. V. Alakhverdyants,I. Alekseev, J. Alford,B. D. Anderson, C. D. Anson,D. Arkhipkin,G. S. Averichev,J. Balewski,D. R. Beavis,N. K. Behera, R. Bellwied,M. J. Betancourt,R. R. Betts,A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova,B. Biritz,L. C. Bland, I. G. Bordyuzhin,W. Borowski,J. Bouchet,E. Braidot,A. V. Brandin,A. Bridgeman,S. G. Brovko, E. Bruna,S. Bueltmann,I. Bunzarov,T. P. Burton,X. Z. Cai, H. Caines,M. Calderon De La Barca Sanchez, D. Cebra,R. Cendejas,M. C. Cervantes,Z. Chajecki,P. Chaloupka,S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen,L. Chen,J. Cheng,M. Cherney, A. Chikanian,K. E. Choi,W. Christie,P. Chung,M. J. M. Codrington,R. Corliss,J. G. Cramer,H. J. Crawford,S. Dash,A. Davila Leyva,L. C. De Silva,R. R. Debbe,T. G. Dedovich,A. A. Derevschikov,R. Derradi De Souza,L. Didenko, P. Djawotho,S. M. Dogra, X. Dong, J. L. Drachenberg,J. E. Draper,J. C. Dunlop,L. G. Efimov,M. Elnimr,J. Engelage,G. Eppley,M. Estienne,L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin,R. G. Fersch,P. Filip,E. Finch,V. Fine,Y. Fisyak,C. A. Gagliardi,D. R. Gangadharan,A. Geromitsos,F. Geurts,P. Ghosh,Y. N. Gorbunov,A. Gordon, O. G. Grebenyuk,D. Grosnick, S. M. Guertin,A. Gupta, W. Guryn,B. Haag,O. Hajkova,A. Hamed,L-X. Han,J. W. Harris,J. P. Hays-Wehle,M. Heinz,S. Heppelmann, A. Hirsch, E. Hjort,G. W. Hoffmann,D. J. Hofman,B. Huang, H. Z. Huang, T. J. Humanic,L. Huo, G. Igo, P. Jacobs,W. W. Jacobs,C. Jena,F. Jin,J. Joseph,E. G. Judd, S. Kabana,K. Kang, J. Kapitan, K. Kauder,H. W. Ke,D. Keane,A. Kechechyan,D. Kettler,D. P. Kikola, J. Kiryluk,A. Kisiel,V. Kizka, S. R. Klein,A. G. Knospe,D. D. Koetke,T. Kollegger,J. Konzer,I. Koralt,L. Koroleva,W. Korsch,L. Kotchenda,V. Kouchpil,P. Kravtsov, K. Krueger,M. Krus,L. Kumar,P. Kurnadi, M. A. C. Lamont,J. M. Landgraf,S. Lapointe, J. Lauret,A. Lebedev, R. Lednicky,J. H. Lee, W. Leight,M. J. Levine,C. Li,L. Li,N. Li, W. Li,X. Li,X. Li,Y. Li,Z. M. Li, M. A. Lisa, F. Liu,H. Liu, J. Liu, T. Ljubicic,W. J. Llope,R. S. Longacre,W. A. Love,Y. Lu,E. V. Lukashov,X. Luo,G. L. Ma,Y. G. Ma,D. P. Mahapatra, R. Majka,O. I. Mall,L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert,H. Masui,H. S. Matis,Yu. A. Matulenko,D. Mcdonald,T. S. Mcshane, A. Meschanin,R. Milner, N. G. Minaev, S. Mioduszewski, A. Mischke,M. K. Mitrovski,Y. Mohammed, B. Mohanty,M. M. Mondal,B. Morozov,D. A. Morozov,M. G. Munhoz,M. K. Mustafa, M. Naglis,B. K. Nandi,T. K. Nayak,P. K. Netrakanti,L. V. Nogach,S. B. Nurushev, G. Odyniec,A. Ogawa,K. Oh,A. Ohlson,V. Okorokov,E. W. Oldag, D. Olson,M. Pachr,B. S. Page,S. K. Pal,Y. Pandit,Y. Panebratsev,T. Pawlak,H. Pei, T. Peitzmann,C. Perkins, W. Peryt,S. C. Phatak,P. Pile, M. Planinic, M. A. Ploskon,J. Pluta,D. Plyku,N. Poljak,A. M. Poskanzer,B. V. K. S. Potukuchi,C. B. Powell, D. Prindle, C. Pruneau,N. K. Pruthi,P. R. Pujahari, J. Putschke,H. Qiu, R. Raniwala,S. Raniwala,R. L. Ray,R. Redwine,R. Reed, H. G. Ritter,J. B. Roberts,O. V. Rogachevskiy,J. L. Romero,A. Rose,L. Ruan,J. Rusnak,N. R. Sahoo,S. Sakai,I. Sakrejda, S. Salur,J. Sandweiss,E. Sangaline,A. Sarkar,J. Schambach, R. P. Scharenberg,A. M. Schmah,N. Schmitz,T. R. Schuster,J. Seele,J. Seger, I. Selyuzhenkov, P. Seyboth, E. Shahaliev, M. Shao,M. Sharma,S. S. Shi,Q. Y. Shou,E. P. Sichtermann,F. Simon, R. N. Singaraju,M. J. Skoby, N. Smirnov,P. Sorensen,H. M. Spinka, B. Srivastava,T. D. S. Stanislaus,D. Staszak, S. G. Steadman,J. R. Stevens,R. Stock, M. Strikhanov,B. Stringfellow,A. A. P. Suaide,M. C. Suarez,N. L. Subba, M. Sumbera,X. M. Sun,Y. Sun, Z. Sun,B. Surrow,D. N. Svirida,T. J. M. Symons,A. Szanto De Toledo,J. Takahashi,A. H. Tang, Z. Tang,L. H. Tarini,T. Tarnowsky,D. Thein,J. H. Thomas,J. Tian,A. R. Timmins,D. Tlusty,M. Tokarev, T. A. Trainor,V. N. Tram,S. Trentalange, R. E. Tribble,P. Tribedy,O. D. Tsai,T. Ullrich,D. G. Underwood,G. Van Buren,G. Van Nieuwenhuizen,J. A. Vanfossen,R. Varma,G. M. S. Vasconcelos,A. N. Vasiliev,F. Videbaek,Y. P. Viyogi,S. Vokal,S. A. Voloshin,M. Wada,M. Walker, F. Wang, G. Wang,H. Wang,J. S. Wang,Q. Wang,X. L. Wang, Y. Wang,G. Webb,J. C. Webb,G. D. Westfall,C. Whitten, H. Wieman,S. W. Wissink, R. Witt, W. Witzke,Y. F. Wu,Z. Xiao, W. Xie,H. Xu,N. Xu,Q. H. Xu,W. Xu,Y. Xu,Z. Xu,L. Xue,Y. Yang,Y. Yang,P. Yepes,K. Yip,I-K. Yoo,M. Zawisza, H. Zbroszczyk,W. Zhan,J. B. Zhang,S. Zhang,W. M. Zhang,X. P. Zhang,Y. Zhang,Z. P. Zhang, J. Zhao, C. Zhong, W. Zhou, X. Zhu,Y. H. Zhu, R. Zoulkarneev,Y. Zoulkarneeva

PHYSICAL REVIEW C(2011)

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摘要
We report first results from an analysis based on a new multi-hadron correlation technique, exploring jet-medium interactions and di-jet surface emission bias at the BNL Relativistic Heavy Ion Collider (RHIC). Pairs of back-to-back high-transverse-momentum hadrons are used for triggers to study associated hadron distributions. In contrast with two-and three-particle correlations with a single trigger with similar kinematic selections, the associated hadron distribution of both trigger sides reveals no modification in either relative pseudorapidity Delta eta or relative azimuthal angle Delta phi from d + Au to central Au + Au collisions. We determine associated hadron yields and spectra as well as production rates for such correlated back-to-back triggers to gain additional insights on medium properties.
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关键词
deuteron,star,gold,surface
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