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arxiv: 1102.2669 · v1 · submitted 2011-02-14 · ⚛️ nucl-ex

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Studies of di-jet survival and surface emission bias in Au+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
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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 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 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 J. Porter 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 Jr. 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 Jr. 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 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
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keywords associatedback-to-backhadronbiascollisionscorrelationsdi-jetemission
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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 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 pseudo-rapidity or relative azimuthal angle 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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