Measurement of the azimuthal anisotropy of neutral pions in Pb-Pb collisions at √sNN=2.76 TeV

Serguei Chatrchyan,V. Khachatryan,A.M. Sirunyan,A. Tumasyan,W. Adam,E. Aguilo,T. Bergauer,M. Dragicevic,J. Erö,C. Fabjan,M. Friedl,R. Frühwirth,V. M. Ghete,J. Hammer,N. Hörmann,J. Hrubec,M. Jeitler,W. Kiesenhofer,V. Knünz,M. Krammer,I. Krätschmer,D Liko,I. Mikulec,M. Pernicka,B. Rahbaran,C. Rohringer,H. Rohringer,R. Schöfbeck,J. Strauss,A. Taurok,W. Waltenberger,G. Walzel,E. Widl,C.-E. Wulz,V. Mossolov,N Shumeiko,J. Suarez Gonzalez,S. Bansal,T. Cornelis,E. A. De Wolf,X. Janssen,S. Luyckx,L. Mucibello,S. Ochesanu,B. Roland,R. Rougny,M. Selvaggi,Z. Staykova,H. Van Haevermaet,P. Van Mechelen,N. Van Remortel,A. Van Spilbeeck,F. Blekman,S. Blyweert,J. D’Hondt,R. Gonzalez Suarez,A. Kalogeropoulos,M. Maes,A. Olbrechts,W. Van Doninck,P. Van Mulders,G. P. Van Onsem,I. Villella,Barbara Clerbaux,G. De Lentdecker,V. Dero,T. Hreus,A. Léonard,P. E. Marage,T. Reis,L. Thomas,G. Vander Marcken,C. Vander Velde,P. Vanlaer,J. Wang,V. Adler,K. Beernaert,A. Cimmino,S. Costantini,G. Garcia,M. Grunewald,B. Klein,J. Lellouch,A. Marinov,J. Mccartin,A. A. Ocampo Rios,D. Ryckbosch,N. Strobbe,F. Thyssen,Michel H.G. Tytgat,P. Verwilligen,S. Walsh,E. Yazgan,N. Zaganidis,Suzan Basegmez,Giacomo Bruno,Roberto Castello,Ludivine Ceard,Christophe Delaere,T. du Pree,Denis Favart,Laurent Forthomme,Andrea Giammanco,Jonathan Hollar,V. Lemaitre,Junhui Liao,Otilia Militaru,Claude Nuttens,Davide Pagano,Arnaud Pin,Krzysztof Piotrzkowski,N. Schul,J. M. Vizan Garcia,N. Beliy,T. Caebergs,E. Daubie,G. H. Hammad,Gilvan Alves,M. Correa Martins Junior,D. De Jesus Damiao,T. Martins,M.-E. Pol,M. H. G. Souza,W. L. Aldá Júnior,W. Carvalho,A. Custódio,E. M. Da Costa,C. De Oliveira Martins,S. Fonseca De Souza,D. Matos Figueiredo,L. Mundim,H. Nogima,V. Oguri,W. L. Prado Da Silva,A. Santoro,L. Soares Jorge,A Sznajder,T. S. Anjos,C. A. Bernardes,F. A. Dias,T. R. Fernandez Perez Tomei,E. M. Gregores,C. Lagana,F. Marinho,P. G. Mercadante,S. F. Novaes,Sandra S. Padula,V. Genchev,P. Iaydjiev,S Piperov,M. Rodozov,S. Stoykova,G. Sultanov,V. Tcholakov,R. Trayanov,M. Vutova,A. Dimitrov,R. Hadjiiska,V. Kozhuharov,L. Litov,B. Pavlov,P. Petkov,J. G. Bian,G Chen,H. S. Chen,C.H. Jiang,D. Liang,S. Liang,X. Meng,J Tao,X Wang,Z. Wang,H. Xiao,M. Xu,J Zang,Z Zhang,C. Asawatangtrakuldee,Y. Ban,S. Guo,Y. Guo,W Li,S. Liu,Y. Mao,S. J. Qian,H. Teng,D. Wang,L. Zhang,B. Zhu,W. Zou,C. Avila,Jonatan Piedra Gomez,B. Gomez Moreno,A. F. Osorio Oliveros,J. C. Sanabria,Nikola Godinovic,D. Lelas,R. Plestina,D. Polic,Ivica Puljak,Z. Antunovic,M. Kovac,V. Brigljevic,S. Duric,K. Kadija,J. Luetic,S. Morovic,A. Attikis,M. Galanti,G. Mavromanolakis,J. Mousa,C. Nicolaou,F. Ptochos,P. A. Razis,M. Finger,Y Assran,S. Elgammal,A. Ellithi Kamel,S Khalil,M A Mahmoud,A. Radi,M. Kadastik,M. Müntel,M. Raidal,L. Rebane,A. Tiko,P. Eerola,G. Fedi,M. Voutilainen,J. Härkönen,A. Heikkinen,V. Karimäki,R. Kinnunen,M. J. Kortelainen,T Lampén,K. Lassila Perini,S. Lehti,T Lindén,P. Luukka,T. Mäenpää,T. Peltola,Eija Tuominen,J Tuominiemi,E. Tuovinen,D. Ungaro,L. Wendland,K. Banzuzi,A. Karjalainen,A. Korpela,T. Tuuva,Marc Besancon,S. Choudhury,M. Dejardin,Daniel Denegri,B. Fabbro,J.-L. Faure,F. Ferri,S. Ganjour,A. Givernaud,P. Gras,G. Hamel de Monchenault,P. Jarry,E Locci,J Malcles,L. Millischer,A Nayak,J. Rander,A. Rosowsky,I. Shreyber,M. Titov,S. Baffioni,F. Beaudette,L. Benhabib,L. Bianchini,M Bluj,C. Broutin,P. Busson,C. Charlot,N. Daci,T. Dahms,L. Dobrzynski,R. Granier de Cassagnac,M. Haguenauer,P. Miné,C. Mironov,I. N. Naranjo,M. Nguyen,C. Ochando,P. Paganini,D. Sabes,R. Salerno,Yves Sirois,C. Veelken,A. Zabi,J. L. Agram,J. Andrea,D. Bloch,D. Bodin,J.M. Brom,M. Cardaci,E. C. Chabert,C. Collard,E. Conte,F. Drouhin,C. Ferro,J. C. Fontaine,D. Gelé,U. Goerlach,P. Juillot,A.-C. Le Bihan,P. Van Hove,F. Fassi,D. Mercier,S. Beauceron,N. Beaupere,O. Bondu,G. Boudoul,J. Chasserat,R. Chierici,D. Contardo,P. Depasse,H. El Mamouni,J. Fay,S. Gascon,M. Gouzevitch,B. Ille,T. Kurca,M. Lethuillier,L. Mirabito,S Perries,V. Sordini,Y. Tschudi,P. Verdier,S. Viret,Z Tsamalaidze,G. Anagnostou,S. Beranek,M. Edelhoff,L. Feld,N. Heracleous,O. Hindrichs,R. Jussen,K. Klein,J. Merz,A. Ostapchuk,A. Perieanu,F. Raupach,J. Sammet,S. Schael,D. Sprenger,H. A. Weber,B. Wittmer,V. Zhukov,M. Ata,J. Caudron,E. Dietz-Laursonn,D. Duchardt,M. Erdmann,R. Fischer,A. Güth,T. Hebbeker,C. Heidemann,K. Hoepfner,D. Klingebiel,P. Kreuzer,C. Magass,M. Merschmeyer,Arnd Meyer,M. Olschewski,P. Papacz,H. Pieta,H. Reithler,S. A. Schmitz,L. Sonnenschein,J. Steggemann,D. Teyssier,M. Weber,M. Bontenackels,V. Cherepanov,G. Flügge,H. Geenen,M. Geisler,W. Haj Ahmad,F. Hoehle,B. Kargoll,T Kress,Y. Kuessel,A. Nowack,L. Perchalla,O. Pooth,P. Sauerland,A. Stahl,M. Aldaya Martin,J. Behr,W Behrenhoff,U. Behrens,M. Bergholz,A. Bethani,K Borras,A. Burgmeier,A Çakir,L. Calligaris,A Campbell,E. Castro,F. Costanza,D. Dammann,C. Diez Pardos,G. Eckerlin,D Eckstein,G. Flucke,A Geiser,I. Glushkov,P. Gunnellini,S. Habib .,J. Hauk,G. Hellwig,H. Jung,M Kasemann,P. Katsas,C Kleinwort,H. Kluge,A. Knutsson,M. Kramer,D. Krücker,E. Kuznetsova,W. Lange,W. Lohmann,B. Lutz,R. Mankel,I. Marfin,M Marienfeld,I. A. Melzer-Pellmann,A. B. Meyer,J. Mnich,A. Mussgiller,S. Naumann-Emme,J Olzem,H. Perrey,A. Petrukhin,D. Pitzl,A. Raspereza,P. M. Ribeiro Cipriano,C. Riedl,E. Ron,M. Rosin,J. Salfeld-Nebgen,R. Schmidt,T. Schoerner-Sadenius,N. Sen,A. Spiridonov,M. Stein,R. Walsh,C. Wissing,C. Autermann,V. Blobel,J. Draeger,H. Enderle,J. Erfle,U. Gebbert,M. Görner,T. Hermanns,R. S. Höing,K. Kaschube,G. Kaussen,H. Kirschenmann,R. Klanner,J. Lange,B. Mura,F. Nowak,T. Peiffer,N. Pietsch,D. Rathjens,C. Sander,H. Schettler,P. Schleper,E. Schlieckau,A. Schmidt,M. Schröder,T. Schum,M. Seidel,V. Sola,H. Stadie,G. Steinbrück,J. Thomsen,L. Vanelderen,C. Barth,J. Berger,C. Böser,T. Chwalek,W. De Boer,A. Descroix,A. Dierlamm,M. Feindt,M. Guthoff,C. Hackstein,F. Hartmann,T. Hauth,M. Heinrich,H. Held,K. H. Hoffmann,Simon Honc,I. Katkov,J. R. Komaragiri,P. Lobelle Pardo,D. Martschei,S. Mueller,Th. Müller,M. Niegel,A. Nürnberg,O. Oberst,A. Oehler,J. Ott,G. Quast,K. Rabbertz,F. Ratnikov,N. Ratnikova,S. Röcker,Armin Scheurer,F. P. Schilling,G. Schott,H. J. Simonis,F. M. Stober,D. Troendle,R. Ulrich,J Wagner-Kuhr,S. Wayand,T. Weiler,M. Zeise,G. Daskalakis,T. Geralis,S. Kesisoglou,A. Kyriakis,D. Loukas,I. Manolakos,A. Markou,C. Markou,C. Mavrommatis,E. Ntomari,L. Gouskos,T. J. Mertzimekis,A. Panagiotou,N. Saoulidou,I. Evangelou,C. Foudas,P. Kokkas,N. Manthos,I. Papadopoulos,V. Patras,G. Bencze,C. Hajdu,P. Hidas,D. Horvath,F. Sikler,V. Veszpremi,G. Vesztergombi,N. Beni,S. Czellar,J. Molnár,J. Pálinkás,Z. Szillasi,J. Karancsi,P. Raics,Z. L. Trocsanyi,B. Ujvari,S. B. Beri,V. Bhatnagar,N. Dhingra,R. Gupta,M. Jindal,M. Kaur,M. Z. Mehta,N Nishu,L K Saini,A. Sharma,J. B. Singh,Ashok Kumar,Arun Kumar,S. Ahuja,A. Bhardwaj,B. C. Choudhary,S. Malhotra,M. Naimuddin,K. Ranjan,V. Sharma,R. K. Shivpuri,S. Banerjee,S. Bhattacharya,S. Dutta,B. Gomber,Sa. Jain,Sh. Jain,R. Khurana,S. Sarkar,M. Sharan,A. Abdulsalam,R. K. Choudhury,D. Dutta,S. Kailas,V. Kumar,P. Mehta,A. K. Mohanty,L. M. Pant,P. Shukla,T. Aziz,S. Ganguly,M. Guchait,M. Maity,G. Majumder,K. Mazumdar,G. B. Mohanty,B. Parida,K. Sudhakar,N. Wickramage,S. Dugad,H. Arfaei,H. Bakhshiansohi,S.M. Etesami,A Fahim,M Hashemi,H Hesari,A Jafari,M Khakzad,M. Mohammadi Najafabadi,S Paktinat Mehdiabadi,B. Safarzadeh,M Zeinali,M. Abbrescia,L. Barbone,C. Calabria,S. S. Chhibra,A. Colaleo,D. Creanza,N De Filippis,M. De Palma,L. Fiore,G. Iaselli,L. Lusito,G. Maggi,M. Maggi,B. Marangelli,S. My,S. Nuzzo,N. Pacifico,A. Pompili,G. Pugliese,G. Selvaggi,L. Silvestris,G. Singh,R. Venditti,G. Zito,G. Abbiendi,A C Benvenuti,D. Bonacorsi,S. Braibant-Giacomelli,L. Brigliadori,P. Capiluppi,A. Castro,F R Cavallo,M. Cuffiani,G. M. Dallavalle,F. Fabbri,A. Fanfani,D. Fasanella,P. Giacomelli,C Grandi,L. Guiducci,S. Marcellini,G. Masetti,M. Meneghelli,A. Montanari,F. L. Navarria,F. Odorici,A Perrotta,F. Primavera,A. M. Rossi,T. Rovelli,G. P. Siroli,R. Travaglini,S. Albergo,G. Cappello,M. Chiorboli,S Costa,R. Potenza,A. Tricomi,C. Tuvè,G Barbagli,V. Ciulli,C. Civinini,R. D’Alessandro,E. Focardi,S. Frosali,E. Gallo,S. Gonzi,M. Meschini,S. Paoletti,G. Sguazzoni,A. Tropiano,L. Benussi,S. Bianco,S. Colafranceschi,D Piccolo,P. Fabbricatore,R-Musenich,S Tosi,A. Benaglia,F. De Guio,L. Di Matteo,S. Fiorendi,S. Gennai,A. Ghezzi,S. Malvezzi,R. A. Manzoni,A. Martelli,A. Massironi,D. Menasce,L. Moroni,M. Paganoni,D. Pedrini,S. Ragazzi,N. Redaelli,S Sala,T. Tabarelli de Fatis,S. Buontempo,C. A. Carrillo Montoya,N. Cavallo,A. De Cosa,O. Dogangun,F Fabozzi,A.O.M. Iorio,L. Lista,S. Meola,M. Merola,P Paolucci,P. Azzi,N. Bacchetta,P. Bellan,D. Bisello,A. Branca,P. Checchia,T. Dorigo,U. Dosselli,F. Gasparini,A. Gozzelino,Michele Gulmini,K. Kanishchev,S. Lacaprara,I. Lazzizzera,M. Margoni,Gaetano Maron,A. T. Meneguzzo,Massimo Nespolo,J. Pazzini,P. Ronchese,F. Simonetto,E. Torassa,S. Vanini,P. Zotto,Gianni Zumerle,M. Gabusi,S. P. Ratti,C. Riccardi,P. Torre,P. Vitulo,M. Biasini,G. M. Bilei,L. Fanò,P. Lariccia,Andrea Lucaroni,G. Mantovani,M. Menichelli,A. Nappi,F. Romeo,A. Saha,A Santocchia,A. Spiezia,S. Taroni,P. Azzurri,G Bagliesi,T Boccali,G. Broccolo,R. Castaldi,R. T. D'Agnolo,R. Dell ' Orso,F. Fiori,L. Foà,A. Giassi,A. Kraan,F. Ligabue,T. Lomtadze,Luca Martini,A. Messineo,F. Palla,A. Rizzi,A.T Serban,P. Spagnolo,P. Squillacioti,R. Tenchini,G. Tonelli,A. Venturi,P. G. Verdini,L. Barone,F. Cavallari,D. del-Re,M. Diemoz,C Fanelli,M. Grassi,E. Longo,P. Meridiani,F. Micheli,S. Nourbakhsh,G Organtini,R. Paramatti,S. Rahatlou,M Sigamani,L. Soffi,N. Amapane,R. Arcidiacono,S Argiro,M. Arneodo,C Biino,N Cartiglia,M. Costa,D. Dattola,N. Demaria,Chiara Mariotti,S. Maselli,E. Migliore,V. Monaco,M. Musich,M. M. Obertino,N Pastrone,M Pelliccioni,A. Potenza,A. Romero,R. Sacchi,A. Solano,A. Staiano,A. Vilela Pereira,S Belforte,V. Candelise,F. Cossutti,G. Della Ricca,B. Gobbo,M. Marone,D. Montanino,a. Penzo,A. Schizzi,S. G. Heo,T.Y. Kim,S. K. Nam,S. Chang,D. H. Kim,G. N. Kim,D. J. Kong,H. Park,S. R. Ro,D. C. Son,T. Son,J. Y. Kim,Zero J. Kim,S. Song,S Choi,D. Gyun,B. Hong,M. Jo,H. Kim,T. J. Kim,K. S. Lee,D. H. Moon,S. K. Park,M. Choi,J.-H. Kim,C. Park,I. C. Park,S. K. Park,G. Ryu,Y. Cho,Y. Choi,Y. K. Choi,J. Goh,M. S. Kim,E. Kwon,B. Lee,J. Lee,Sangmin Lee,H. Seo,I. Yu,M. J. Bilinskas,I. Grigelionis,M. Janulis,A. Juodagalvis,Heriberto Castilla-Valdez,E. De La Cruz Burelo,I. Heredia de La Cruz,R. Lopez-Fernandez,R. Magaña-Villalba,J. Martínez-Ortega,A. Sánchez Hernández,L. M. Villasenor-Cendejas,S. Carrillo Moreno,F. Vazquez Valencia,H. A. Salazar Ibarguen,E. Casimiro Linares,A. Morelos Pineda,M. A. Reyes-Santos,D. Krofcheck,A.J. Bell,Philip H Butler,R. Doesburg,S. Reucroft,H. Silverwood,M. Ahmad,M. H. Ansari,M. I. Asghar,H. R. Hoorani,S. Khalid,W. A. Khan,T. Khurshid,S. Qazi,M. A. Shah,M. Shoaib,H Bialkowska,B. Boimska,T. Frueboes,R. Gokieli,M. Górski,M. Kazana,K. Nawrocki,Katarzyna Romanowska-Rybinska,M. Szleper,G. Wrochna,P. Zalewski,G. Brona,K. Bunkowski,M. Cwiok,W. Dominik,K. Doroba,A. Kalinowski,M. Konecki,J. Krolikowski,N. Almeida,P. Bargassa,A David,P. Faccioli,P. G. Ferreira Parracho,M. Gallinaro,J. Seixas,J. Varela,P. Vischia,S. Afanasiev,P. Bunin,Mikhail Gavrilenko,I. Golutvin,Ilya Gorbunov,Alexey Kamenev,V. Karjavin,G. Kozlov,A. Lanev,A. Malakhov,P. Moisenz,V. Palichik,V. Perelygin,S. Shmatov,V. Smirnov,A. Volodko,A. Zarubin,S. Evstyukhin,V. Golovtsov,Y. Ivanov,V. Kim,P. Levchenko,V. Murzin,V. Oreshkin,I. Smirnov,V. Sulimov,L. Uvarov,S. Vavilov,A. Vorobyev,An. Vorobyev,Yu Andreev,A. Dermenev,S. Gninenko,N. Golubev,M. Kirsanov,N. Krasnikov,V. Matveev,A. Pashenkov,D. Tlisov,A. Toropin,V. Epshteyn,M. Erofeeva,V. Gavrilov,M. Kossov,N Lychkovskaya,V. Popov,G. Safronov,S. Semenov,V. Stolin,E. Vlasov,A. Zhokin,A. Belyaev,Edouard Boos,A. Ershov,A. Gribushin,V. Klyukhin,O. Kodolova,Vladimir Korotkikh,I. Lokhtin,A. Markina,S. Obraztsov,M. Perfilov,S. Petrushanko,A. Popov,L. Sarycheva,V. Savrin,A. Snigirev,Irina Vardanyan,V. Andreev,M. Azarkin,I. Dremin,M. Kirakosyan,A. Leonidov,G. Mesyats,S. V. Rusakov,A. Vinogradov,I. Azhgirey,I. Bayshev,S. Bitioukov,V. Grishin,V. Kachanov,D. Konstantinov,Andrey Korablev,V. Krychkine,V. Petrov,R. Ryutin,A Sobol,L. Tourtchanovitch,S. Troshin,N. Tyurin,A. Uzunian,A. Volkov,P. Adzic,M. Djordjevic,M. Ekmedzic,D. Krpic,J. Milošević,Manuel Aguilar-Benitez,J. Alcaraz Maestre,P. Arce,C. Battilana,E. Calvo,M. Cerrada,M Chamizo-Llatas,N. Colino,B. De La Cruz,A Delgado Peris,D. Domínguez Vázquez,C. Fernández-Bedoya,J. P. Fernández Ramos,A. Ferrando,J Flix,M. C Fouz,P Garcia-Abia,Ó González-López,S. Goy López,Jose M. Hernandez,M. I. Josa,G. Merino,J Puerta-Pelayo,A. Quintario Olmeda,I Redondo,L. Romero,J. Santaolalla,M. S Soares,C Willmott,C. Albajar,G. Codispoti,J. F. de Trocóniz,H. Brun,J Cuevas,J. Fernandez Menendez,S. Folgueras,I. Gonzalez Caballero,Lara Lloret Iglesias,J. Piedra Gomez,J. A. Brochero Cifuentes,I. J. Cabrillo,A. Calderon,S. H. Chuang,J. Duarte Campderros,Marta Felcini,M. Fernández,G. Gomez,J. Gonzalez Sanchez,A. Graziano,C. Jorda,A. Lopez Virto,J. Marco,R. Marco,C. Martinez-Rivero,F. Matorras,F. J. Munoz Sanchez,T. Rodrigo,A. Y. Rodríguez-Marrero,A. Ruiz-Jimeno,L. Scodellaro,M. Sobron Sanudo,I. Vila,R. Vilar Cortabitarte,D. Abbaneo,E. Auffray,G. Auzinger,P. Baillon,A. H. Ball,D. Barney,J. F. Benitez,C. Bernet,G. Bianchi,P. Bloch,A. Bocci,A. Bonato,C. Botta,H. Breuker,T. Camporesi,G. Cerminara,T. Christiansen,J. A. Coarasa Perez,D. d’Enterria,A. Dabrowski,A. De Roeck,S. Di Guida,M. Dobson,N. Dupont-Sagorin,A. Elliott-Peisert,B. Frisch,W. Funk,G. Georgiou,M Giffels,D. Gigi,K. Gill,D. Giordano,M. Giunta,F. Glege,R. Gomez-Reino Garrido,P. Govoni,S Gowdy,R. Guida,M. Hansen,P. Harris,C. Hartl,J. Harvey,B. Hegner,A. Hinzmann,V. Innocente,P. Janot,K. Kaadze,E. Karavakis,K. Kousouris,P. Lecoq,Y.-J. Lee,P Lenzi,C. Lourenço,T. Mäki,M. Malberti,L. Malgeri,M. Mannelli,L Masetti,F. Meijers,S. Mersi,E. Meschi,R. 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Sharma,P. Sheldon,B. Snook,S. Tuo,J. Velkovska,M. W. Arenton,M. Balazs,S. Boutle,B. Cox,B. Francis,J. Goodell,R. Hirosky,A. Ledovskoy,C.-J. Lin,C. Neu,Jeffrey Scott Wood,R. Yohay,S. Gollapinni,R. Harr,P. E. Karchin,C. Kottachchi Kankanamge Don,P. Lamichhane,A. Sakharov,M. Anderson,M. Bachtis,D. Belknap,L. Borrello,D. Carlsmith,M. Cepeda,S. Dasu,E. Friis,L. Gray,K. S. Grogg,M. Grothe,R. Hall-Wilton,M. Herndon,A. Hervé,P Klabbers,J. Klukas,A. Lanaro,C. Lazaridis,J. Leonard,R. Loveless,A. Mohapatra,I. Ojalvo,F. Palmonari,G. A. Pierro,I. Ross,A. Savin,W. H. Smith,J. Swanson

Measurement of the azimuthal anisotropy of neutral pions in Pb-Pb collisions at √sNN=2.76 TeV

2013

First measurements of the azimuthal anisotropy of neutral pions produced in Pb-Pb collisions at a center-of-mass energy of √sNN=2.76 TeV are presented. The amplitudes of the second Fourier component (v_2) of the π^0 azimuthal distributions are extracted using an event-plane technique. The values of v_2 are studied as a function of the neutral pion transverse momentum (p_T) for different classes of collision centrality in the kinematic range 1.6 < p_T <8.0 GeV/c, within the pseudorapidity interval |η|<0.8. The CMS measurements of v_2(p_T) are similar to previously reported π0 azimuthal anisotropy results from √sNN = 200 GeV Au-Au collisions at RHIC, despite a factor of ∼14 increase in the center-of-mass energy. In the momentum range 2.5 < p_T <5.0 GeV/c, the neutral pion anisotropies are found to be smaller than those observed by CMS for inclusive charged particles.

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