Di-hadron correlations with identified leading hadrons in 200 GeV Au+Au and d+Au collisions at STAR

L. Adamczyk,J. K. Adkins,G. Agakishiev,Madan Mohan Aggarwal,Zubayer Ahammed,I. Alekseev,A. Aparin,D. Arkhipkin,E. C. Aschenauer,G. S. Averichev,X. Bai,V. Bairathi,A. Banerjee,Rene Bellwied,Anju Bhasin,A. K. Bhati,P. Bhattarai,J. Bielcik,J. Bielcikova,L. C. Bland,I. G. Bordyuzhin,J. Bouchet,D. Brandenburg,A. V. Brandin,I. Bunzarov,J. Butterworth,Helen Louise Caines,M. Calderon De La Barca Sanchez,J. M. Campbell,D. Cebra,M. C. Cervantes,I. Chakaberia,P. Chaloupka,Z. Chang,Sukalyan Chattopadhyay,X. Chen,Jian Chen,J. Cheng,Michael G. Cherney,W. Christie,Giacomo Contin,H. J. Crawford,S. Das,L. C. De Silva,Ramiro Debbe,T. G. Dedovich,Jun Deng,A. A. Derevschikov,B. Di Ruzza,L. Didenko,C. Dilks,X. Dong,J. L. Drachenberg,J. E. Draper,C. M. Du,L. E. Dunkelberger,J. C. Dunlop,L. G. Efimov,J. Engelage,G. Eppley,R. Esha,O. Evdokimov,O. Eyser,R. Fatemi,S. Fazio,Pavol Federic,J. Fedorisin,Z. Feng,P. Filip,Y. Fisyak,C.E. Flores,Łukasz Fulek,C. A. Gagliardi,D. Garand,F. J. M. Geurts,A. Gibson,M. R. Girard,Leo Clifford Greiner,D. Grosnick,D. S. Gunarathne,Yuzhu Guo,S K Gupta,A. Gupta,W. Guryn,Ayman Hamad,A. Hamed,R. Haque,J. W. Harris,Liang He,S. Heppelmann,A. S. Hirsch,G. W. Hoffmann,D. J. Hofman,S. Horvat,T. Huang,B. Huang,H. Z. Huang,X. Huang,P. Huck,T. J. Humanic,G. J. Igo,W. W. Jacobs,H J Jang,J. Jia,Kun Jiang,E. G. Judd,S. Kabana,Dmitry Kalinkin,K. Kang,K. Kauder,H. W. Ke,D. Keane,A. Kechechyan,Z. H. Khan,Daniel Kikola,A. Kisiel,L. Kochenda,D. D. Koetke,Leszek Kosarzewski,A. F. Kraishan,P. Kravtsov,K. Krueger,Lokesh Kumar,Mac Lamont,J. M. Landgraf,K. D. Landry,J. Lauret,A. Lebedev,R. Lednický,J. H. Lee,Xiang Li,W.G. Li,Zhiming Li,Y. Li,Cheng Li,Michael Annan Lisa,F. H. Liu,T. Ljubicic,William Llope,M. Lomnitz,R. S. Longacre,Xiaofeng Luo,G. L. Ma,Y. G. Ma,Rongrong Ma,L. Ma,Niseem Magdy,Richard Daniel Majka,A. Manion,S. Margetis,Christina Markert,H. Masui,H. S. Matis,Donald M. McDonald,Kathryn Meehan,Jie Mei,N. G. Minaev,S. Mioduszewski,D. K. Mishra,Bedangadas Mohanty,M M Mondal,D A Morozov,M. K. Mustafa,B. K. Nandi,Nasim,Tapan Kumar Nayak,Grigory Nigmatkulov,Takafumi Niida,L. V. Nogach,Sy Noh,J. Novak,S. B. Nurushev,G. Odyniec,A. Ogawa,K. Oh,V. A. Okorokov,D. L. Olvitt,B. S. Page,R. Pak,Y. X. Pan,Y. Pandit,Y. Panebratsev,B. Pawlik,Hua Pei,C. Perkins,A. Peterson,P. Pile,Jan Marian Pluta,K. Poniatowska,J. Porter,Matthew Posik,A. M. Poskanzer,N. K. Pruthi,J. Putschke,H. Qiu,A. Quintero,S. Ramachandran,Rashmi Raniwala,Sudhir Raniwala,R. L. Ray,H. G. Ritter,Jay Roberts,O. V. Rogachevskiy,J. L. Romero,Amit Roy,L. Ruan,J. Rusnak,O. Rusnakova,N. R. Sahoo,P. K. Sahu,I. Sakrejda,Sevil Salur,J. Sandweiss,A. Sarkar,J. Schambach,R. P. Scharenberg,Alexander Schmah,W. B. Schmidke,N. Schmitz,Janet Elizabeth Seger,P. Seyboth,Nilay Shah,E. Shahaliev,P. V. Shanmuganathan,M. Shao,B. Sharma,Monika Sharma,W.Q. Shen,S. S. Shi,Q. Y. Shou,E. P. Sichtermann,Rafal Sikora,Miroslav Simko,Subhash Singha,M. J. Skoby,Nikolai Smirnov,D. Smirnov,L. Song,P. Sorensen,H. M. Spinka,B. K. Srivastava,T. D. S. Stanislaus,M. Stepanov,M. N. Strikhanov,B.C. Stringfellow,M Šumbera,Branden Summa,Y. J. Sun,Z. Y. Sun,X. M. Sun,Xiao-Guang Sun,Bernd Surrow,D.N. Svirida,M. A. Szelezniak,A. H. Tang,Zebo Tang,T. Tarnowsky,Abdel Nasser Tawfik,J. H. Thomas,A. R. Timmins,D. Tlusty,Takahito Todoroki,M. Tokarev,S. Trentalange,R. E. Tribble,Prithwish Tribedy,S. K. Tripathy,O. D. Tsai,T. Ullrich,D. G. Underwood,Isaac Upsal,G. Van Buren,G. van Nieuwenhuizen,M. Vandenbroucke,Raghava Varma,A. N. Vasiliev,Róbert Vértesi,F. Videbaek,Y. P. Viyogi,S. Vokal,S. A. Voloshin,A. Vossen,J. S. Wang,Fuqiang Wang,H. Wang,G. Wang,Y. Wang,G. Webb,J. C. Webb,Liwen Wen,G. D. Westfall,H. H. Wieman,S. W. Wissink,R. Witt,Y. F. Wu,Wu,Zhigang Xiao,W. Xie,K. Xin,H.S. Xu,Z. J. Xu,Qingnian Xu,Yizhuang Xu,N. Xu,Shangfeng Yang,Y. Yang,Q. Yang,C. Yang,Z. Ye,P. Yepes,L. Yi,K. Yip,I. K. Yoo,N. Yu,Hanna Paulina Zbroszczyk,W. Zha,Y. Zhang,Z.P. Zhang,Jingqing Zhang,Junjie Zhang,Xing Zhang,S. H. Zhang,J. Zhao,C. Zhong,Lei Zhou,X.L. Zhu,Y. Zoulkarneeva

Di-hadron correlations with identified leading hadrons in 200 GeV Au+Au and d+Au collisions at STAR

2015

The STAR Collaboration presents for the first time two-dimensional di- hadroncorrelations with identified leading hadronsin 200 GeV central Au+Au and minimum-bias d+Au collisions to explore hadronizationmechanisms in the quark gluon plasma. The enhancement of the jet-like yield for leading pionsin Au + Au data with respect to the d + Au reference and the absence of such an enhancement for leading non- pions(protons and kaons) are discussed within the context of a quark recombination scenario. The correlated yield at large angles, specifically in the ridge region, is found to be significantly higher for leading non- pionsthan pions. The consistencies of the constituent quark scaling, azimuthal harmonicmodel and a mini-jet modification model description of the data are tested, providing further constraints on hadronization. (C) 2015 The Authors. Published by Elsevier B.V.

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