2024

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Jet modification via π0 -hadron correlations in Au+Au collisions at SNN =200 GeV
(American Physical Society, 2024) N.J. Abdulameer; U. Acharya; A. Adare; S. Afanasiev; C. Aidala; N.N. Ajitanand; Y. Akiba; H. Al-Bataineh; J. Alexander; M. Alfred; K. Aoki; N. Apadula; L. Aphecetche; J. Asai; H. Asano; E.T. Atomssa; R. Averbeck; T.C. Awes; B. Azmoun; V. Babintsev; M. Bai; G. Baksay; L. Baksay; A. Baldisseri; N.S. Bandara; B. Bannier; K.N. Barish; P.D. Barnes; B. Bassalleck; A.T. Basye; S. Bathe; S. Batsouli; V. Baublis; C. Baumann; A. Bazilevsky; M. Beaumier; S. Beckman; S. Belikov; R. Belmont; R. Bennett; A. Berdnikov; Y. Berdnikov; L. Bichon; A.A. Bickley; B. Blankenship; D.S. Blau; J.G. Boissevain; J.S. Bok; H. Borel; V. Borisov; K. Boyle; M.L. Brooks; J. Bryslawskyj; H. Buesching; V. Bumazhnov; G. Bunce; S. Butsyk; C.M. Camacho; S. Campbell; B.S. Chang; W.C. Chang; J.L. Charvet; C.-H. Chen; D. Chen; S. Chernichenko; M. Chiu; C.Y. Chi; I.J. Choi; J.B. Choi; R.K. Choudhury; T. Chujo; P. Chung; A. Churyn; V. Cianciolo; Z. Citron; B.A. Cole; M. Connors; P. Constantin; R. Corliss; M. Csanád; T. Csörgo; D. D'Enterria; T. Dahms; S. Dairaku; T.W. Danley; K. Das; A. Datta; M.S. Daugherity; G. David; K. Deblasio; K. Dehmelt; A. Denisov; A. Deshpande; E.J. Desmond; O. Dietzsch; A. Dion; P.B. Diss; M. Donadelli; V. Doomra; J.H. Do; O. Drapier; A. Drees; K.A. Drees; A.K. Dubey; J.M. Durham; A. Durum; D. Dutta; V. Dzhordzhadze; Y.V. Efremenko; F. Ellinghaus; H. En'Yo; T. Engelmore; A. Enokizono; R. Esha; K.O. Eyser; B. Fadem; N. Feege; D.E. Fields; M. Finger; D. Firak; D. Fitzgerald; F. Fleuret; S.L. Fokin; Z. Fraenkel; J.E. Frantz; A. Franz; A.D. Frawley; K. Fujiwara; Y. Fukao; T. Fusayasu; P. Gallus; C. Gal; P. Garg; I. Garishvili; H. Ge; F. Giordano; A. Glenn; H. Gong; M. Gonin; J. Gosset; Y. Goto; R. Granier De Cassagnac; N. Grau; S.V. Greene; M. Grosse Perdekamp; T. Gunji; T. Guo; H.-A. Gustafsson; T. Hachiya; A. Hadj Henni; J.S. Haggerty; K.I. Hahn; H. Hamagaki; H.F. Hamilton; J. Hanks; R. Han; S.Y. Han; E.P. Hartouni; K. Haruna; S. Hasegawa; T.O.S. Haseler; K. Hashimoto; E. Haslum; R. Hayano; M. Heffner; T.K. Hemmick; T. Hester; X. He; J.C. Hill; A. Hodges; M. Hohlmann; R.S. Hollis; W. Holzmann; K. Homma; B. Hong; T. Horaguchi; D. Hornback; T. Hoshino; N. Hotvedt; J. Huang; T. Ichihara; R. Ichimiya; H. Iinuma; Y. Ikeda; K. Imai; J. Imrek; M. Inaba; A. Iordanova; D. Isenhower; M. Ishihara; T. Isobe; M. Issah; A. Isupov; D. Ivanishchev; B.V. Jacak; M. Jezghani; X. Jiang; J. Jin; Z. Ji; B.M. Johnson; K.S. Joo; D. Jouan; D.S. Jumper; F. Kajihara; S. Kametani; N. Kamihara; J. Kamin; S. Kanda; J.H. Kang; J. Kapustinsky; D. Kawall; A.V. Kazantsev; T. Kempel; J.A. Key; V. Khachatryan; A. Khanzadeev; K.M. Kijima; J. Kikuchi; B. Kimelman; B.I. Kim; C. Kim; D.H. Kim; D.J. Kim; E. Kim; E.-J. Kim; G.W. Kim; M. Kim; S.H. Kim; E. Kinney; K. Kiriluk; Á. Kiss; E. Kistenev; R. Kitamura; J. Klatsky; J. Klay; C. Klein-Boesing; D. Kleinjan; P. Kline; T. Koblesky; L. Kochenda; B. Komkov; M. Konno; J. Koster; D. Kotov; L. Kovacs; A. Kozlov; A. Kravitz; A. Král; G.J. Kunde; B. Kurgyis; K. Kurita; M. Kurosawa; M.J. Kweon; Y. Kwon; G.S. Kyle; Y.S. Lai; J.G. Lajoie; D. Layton; A. Lebedev; D.M. Lee; K.B. Lee; S. Lee; S.H. Lee; T. Lee; M.J. Leitch; M.A.L. Leite; B. Lenzi; P. Liebing; S.H. Lim; A. Litvinenko; H. Liu; M.X. Liu; T. Liška; X. Li; S. Lokos; D.A. Loomis; B. Love; D. Lynch; C.F. Maguire; Y.I. Makdisi; M. Makek; A. Malakhov; M.D. Malik; A. Manion; V.I. Manko; E. Mannel; Y. Mao; H. Masui; F. Matathias; L. Mašek; M. McCumber; P.L. McGaughey; D. McGlinchey; C. McKinney; N. Means; A. Meles; M. Mendoza; B. Meredith; Y. Miake; A.C. Mignerey; P. Mikeš; K. Miki; A. Milov; D.K. Mishra; M. Mishra; J.T. Mitchell; M. Mitrankova; Iu. Mitrankov; S. Miyasaka; S. Mizuno; A.K. Mohanty; P. Montuenga; T. Moon; Y. Morino; A. Morreale; D.P. Morrison; T.V. Moukhanova; D. Mukhopadhyay; B. Mulilo; T. Murakami; J. Murata; A. Mwai; S. Nagamiya; K. Nagashima; J.L. Nagle; M. Naglis; M.I. Nagy; I. Nakagawa; H. Nakagomi; Y. Nakamiya; T. Nakamura; K. Nakano; C. Nattrass; P.K. Netrakanti; J. Newby; M. Nguyen; T. Niida; S. Nishimura; R. Nouicer; N. Novitzky; T. Novák; G. Nukazuka; A.S. Nyanin; E. O'Brien; S.X. Oda; C.A. Ogilvie; K. Okada; M. Oka; Y. Onuki; J.D. Orjuela Koop; M. Orosz; J.D. Osborn; A. Oskarsson; M. Ouchida; K. Ozawa; R. Pak; A.P.T. Palounek; V. Pantuev; V. Papavassiliou; J. Park; S. Park; W.J. Park; M. Patel; S.F. Pate; H. Pei; J.-C. Peng; H. Pereira; D.V. Perepelitsa; G.D.N. Perera; V. Peresedov; D.Yu. Peressounko; J. Perry; R. Petti; C. Pinkenburg; R. Pinson; R.P. Pisani; M. Potekhin; M.L. Purschke; A.K. Purwar; H. Qu; A. Rakotozafindrabe; J. Rak; B.J. Ramson; I. Ravinovich; K.F. Read; S. Rembeczki; K. Reygers; D. Reynolds; V. Riabov; Y. Riabov; D. Richford; T. Rinn; D. Roach; G. Roche; S.D. Rolnick; M. Rosati; S.S.E. Rosendahl; P. Rosnet; Z. Rowan; J.G. Rubin; P. Rukoyatkin; P. RuŽička; V.L. Rykov; B. Sahlmueller; N. Saito; T. Sakaguchi; S. Sakai; K. Sakashita; H. Sako; V. Samsonov; M. Sarsour; S. Sato; T. Sato; S. Sawada; B. Schaefer; B.K. Schmoll; K. Sedgwick; J. Seele; R. Seidl; A.Yu. Semenov; V. Semenov; A. Sen; R. Seto; P. Sett; A. Sexton; D. Sharma; I. Shein; Z. Shi; T.-A. Shibata; K. Shigaki; M. Shimomura; K. Shoji; P. Shukla; A. Sickles; C.L. Silva; D. Silvermyr; C. Silvestre; K.S. Sim; B.K. Singh; C.P. Singh; V. Singh; M. Slunečka; K.L. Smith; M. Snowball; A. Soldatov; R.A. Soltz; W.E. Sondheim; S.P. Sorensen; I.V. Sourikova; F. Staley; P.W. Stankus; E. Stenlund; M. Stepanov; A. Ster; S.P. Stoll; T. Sugitate; C. Suire; A. Sukhanov; T. Sumita; J. Sun; Z. Sun; J. Sziklai; E.M. Takagui; A. Taketani; R. Tanabe; Y. Tanaka; K. Tanida; M.J. Tannenbaum; S. Tarafdar; A. Taranenko; P. Tarján; H. Themann; T.L. Thomas; R. Tieulent; A. Timilsina; T. Todoroki; M. Togawa; A. Toia; Y. Tomita; L. Tomášek; M. Tomášek; H. Torii; C.L. Towell; R. Towell; V.-N. Tram; I. Tserruya; Y. Tsuchimoto; B. Ujvari; C. Vale; H. Valle; H.W. Van Hecke; A. Veicht; J. Velkovska; A.A. Vinogradov; M. Virius; V. Vrba; E. Vznuzdaev; R. Vértesi; X.R. Wang; Y. Watanabe; Y.S. Watanabe; F. Wei; J. Wessels; A.S. White; S.N. White; D. Winter; C.P. Wong; C.L. Woody; M. Wysocki; B. Xia; W. Xie; L. Xue; S. Yalcin; Y.L. Yamaguchi; K. Yamaura; R. Yang; A. Yanovich; J. Ying; S. Yokkaichi; I. Yoon; J.H. Yoo; G.R. Young; I. Younus; I.E. Yushmanov; H. Yu; W.A. Zajc; O. Zaudtke; A. Zelenski; C. Zhang; S. Zhou; L. Zolin; L. Zou
High-momentum two-particle correlations are a useful tool for studying jet-quenching effects in the quark-gluon plasma. Angular correlations between neutral-pion triggers and charged hadrons with transverse momenta in the range 4-12 GeV/c and 0.5-7 GeV/c, respectively, have been measured by the PHENIX experiment in 2014 for Au+Au collisions at sNN=200 GeV. Suppression is observed in the yield of high-momentum jet fragments opposite the trigger particle, which indicates jet suppression stemming from in-medium partonic energy loss, while enhancement is observed for low-momentum particles. The ratio and differences between the yield in Au+Au collisions and p+p collisions, IAA and ΔAA, as a function of the trigger-hadron azimuthal separation, Δφ, are measured for the first time at the BNL Relativistic Heavy Ion Collider. These results better quantify how the yield of low-pT associated hadrons is enhanced at wide angle, which is crucial for studying energy loss as well as medium-response effects. © 2024 American Physical Society.