Anisotropic flow of identified hadrons in Xe-Xe collisions at root s ( NN ) = 5 . 44
Porteboeuf-Houssais,J. Porter,V. Pozdniakov,S. K. Prasad,R. Preghenella,F. Prino,C. A. Pruneau,I. Pshenichnov,M. Puccio,S. Qiu,L. Quaglia,R. E. Quishpe,S. Ragoni,A. Rakotozafindrabe,L. Ramello,F. Rami,S. A. R. Ramirez,A. G. T. Ramos,T. A. Rancien,R. Raniwala,S. Raniwala,S. S. Räsänen,R. Rath,I. Ravasenga,K. F. Read,A. R. Redelbach,K. Redlich,A. Rehman,P. Reichelt,F. Reidt,R. Renfordt,Z. Rescakova,K. Reygers,A. Riabov,V. Riabov,T. Richert,M. Richter,W. Riegler,F. Riggi,C. Ristea,M. Rodríguez Cahuantzi,K. Røed,R. Rogalev,E. Rogochaya,T. S. Rogoschinski,D. Rohr,D. Röhrich,P. F. Rojas,P. S. Rokita,F. Ronchetti,A. Rosano,E. D. Rosas,A. Rossi,A. Rotondi,A. Roy,P. Roy,S. Roy,N. Rubini,O. V. Rueda,R. Rui,B. Rumyantsev,P. G. Russek,A. Rustamov,E. Ryabinkin,Y. Ryabov,A. Rybicki,H. Rytkonen,W. Rzesa,R. Sadek,S. Sadovsky,J. Saetre,K. Šafařík,S. K. Saha,S. Saha,B. Sahoo,P. Sahoo,R. Sahoo,S. Sahoo,D. Sahu,P. K. Sahu,J. Saini,S. Sakai,S. Sambyal,D. Sarkar,N. Sarkar,P. Sarma,C. Schiaua,R. Schicker,A. Schmah,C. Schmidt,H. R. Schmidt,M. O. Schmidt,M. Schmidt,N. V. Schmidt,A. R. Schmier,R. Schotter,J. Schukraft,Y. Schutz,K. Schwarz,K. Schweda,G. Scioli,E. Scomparin,J. E. Seger,Y. Sekiguchi,D. Sekihata,I. Selyuzhenkov,S. Senyukov,J. J. Seo,D. Serebryakov,L. Šerkšnytė,A. Sevcenco,T. J. Shaba,A. Shabanov,A. Shabetai,R. Shahoyan,W. Shaikh,A. Shangaraev,A. Sharma,H. Sharma,M. Sharma,N. Sharma,S. Sharma,U. Sharma,O. Sheibani,M. Shimomura,S. Shirinkin,Y. Sibiriak,S. Siddhanta,T. Siemiarczuk,T. F. Silva,D. Silvermyr,G. Simonetti,B. Singh,R. Singh,V. K. Singh,V. Singhal,T. Sinha,B. Sitar,M. Sitta,T. B. Skaali,G. Skorodumovs,M. Slupecki,N. Smirnov,R. J. M. Snellings,C. Soncco,J. Song,A. Songmoolnak,F. Soramel,S. Sorensen,J. Stachel,P. J. Steffanic,I. Storehaug,M. M. Storetvedt,C. P. Stylianidis,T. Sugitate,C. Suire,M. Sukhanov,M. Suljic,R. Sultanov,M. Šumbera,V. Sumberia,S. Sumowidagdo,S. Swain,A. Szabo,I. Szarka,U. Tabassam,G. Taillepied,J. Takahashi,G. J. Tambave,S. Tang,Z. Tang,J. D. Tapia Takaki,M. Tarhini,M. G. Tarzila,A. Tauro,G. Tejeda Muñoz,A. Telesca,L. Terlizzi,C. Terrevoli,G. Tersimonov,S. Thakur,D. Thomas,M. Tkacik,A. Toia,N. Topilskaya,M. Toppi,F. Torales-Acosta,T. Tork,S. R. Torres,A. Trifiró,S. Tripathy,T. Tripathy,S. Trogolo,G. Trombetta,V. Trubnikov,W. H. Trzaska,A. Tumkin,R. Turrisi,T. S. Tveter,K. Ullaland,A. Uras,M. Urioni,M. Vala,N. Valle,S. Vallero,P. Vande Vyvre,D. Varga,Z. Varga,M. Varga-Kofarago,A. Vargas,M. Vasileiou,A. Vasiliev,V. Vechernin,E. Vercellin
semanticscholar（2021）
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摘要
Measurements of elliptic (v2) and triangular (v3) flow coefficients of π±, K±, p+p, KS, and Λ+Λ obtained with the scalar product method in Xe-Xe collisions at √ sNN = 5.44TeV are presented. The results are obtained in the rapidity range |y| < 0.5 and reported as a function of transverse momentum, pT, for several collision centrality classes. The flow coefficients exhibit a particle mass dependence for pT < 3GeV/c, while a grouping according to particle type (i.e., meson and baryon) is found at intermediate transverse momenta (3 < pT < 8GeV/c). The magnitude of the baryon v2 is larger than that of mesons up to pT = 6GeV/c. The centrality dependence of the shape evolution of the pT-differential v2 is studied for the various hadron species. The v2 coefficients of π±, K±, and p+p are reproduced by MUSIC hydrodynamic calculations coupled to a hadronic cascade model (UrQMD) for pT < 1GeV/c. A comparison with vn measurements in the corresponding centrality intervals in Pb-Pb collisions at sNN = 5.02TeV yields an enhanced v2 in central collisions and diminished value in semicentral collisions.
