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The collective flow provides valuable insights into the anisotropic expansion of particles produced in heavy-ion collisions and is sensitive to the equation of the state of nuclear matter in high-baryon-density regions. In this paper, we…

Nuclear Theory · Physics 2025-01-24 Shaowei Lan , Zuowen Liu , Like Liu , Shusu Shi

Elliptic flow ($v_2$) measurements of inclusive charged hadrons at mid-rapidity ($|\eta| <$ 1.0) in Au+Au collisions at $E_{lab} = 35\mathrm{~A~GeV}$ using the Parton Hadron String Dynamics (PHSD) model are presented as a function of…

Nuclear Experiment · Physics 2023-02-24 Waseem Bhat , M. Farooq Mir , Vipul Bairathi , Towseef Bhat , Sonia Kabana , Shabir Bhat

Differential elliptic flow (v_2) for phi mesons and (anti)deuterons (d^bar)d is measured for Au+Au collisions at sqrt(s_NN) = 200 GeV. The v_2 for phi mesons follows the trend of lighter pi^+/- and K^+/- mesons, suggesting that ordinary…

Nuclear Experiment · Physics 2008-11-26 PHENIX Collaboration , S. Afanasiev

We present a systematic study of the elliptic flow $v_2$ relative to the participant plane (PP) and reaction plane (RP) in Au+Au collisions at $\sqrt{s_{NN}} = 7.7$-200 GeV using the AMPT model with the string melting version. The ratio…

Nuclear Theory · Physics 2025-10-31 Shaowei Lan , Qiuhua Liu , Yong Li , Shusu Shi

We have compared the experimental data on charged particle elliptic flow parameter (v2) in Au+Au collisions at midrapidity for \surd sNN = 9.2, 19.6, 62.4 and 200 GeV with results from various models in heavy-ion collisions like UrQMD,…

Nuclear Experiment · Physics 2010-12-02 Md. Nasim , Lokesh Kumar , Pawan Kumar Netrakanti , Bedangadas Mohanty

Elliptic flow (v_2) values for identified particles at midrapidity in Au + Au collisions measured by the STAR experiment in the Beam Energy Scan at the Relativistic Heavy Ion Collider at sqrt{s_{NN}}= 7.7--62.4 GeV are presented for three…

Nuclear Experiment · Physics 2016-01-27 STAR Collaboration , L. Adamczyk , J. K. Adkins , G. Agakishiev , M. M. Aggarwal , Z. Ahammed , I. Alekseev , A. Aparin , D. Arkhipkin , E. C. Aschenauer , G. S. Averichev , X. Bai , V. Bairathi , A. Banerjee , R. Bellwied , A. 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 , H. Caines , M. Calderón de la Barca Sánchez , J. M. Campbell , D. Cebra , M. C. Cervantes , I. Chakaberia , P. Chaloupka , Z. Chang , S. Chattopadhyay , J. H. Chen , X. Chen , J. Cheng , M. Cherney , O. Chisman , W. Christie , G. Contin , H. J. Crawford , S. Das , L. C. De Silva , R. R. Debbe , T. G. Dedovich , J. 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 , P. Federic , J. Fedorisin , Z. Feng , P. Filip , Y. Fisyak , C. E. Flores , L. Fulek , C. A. Gagliardi , D. Garand , F. Geurts , A. Gibson , M. Girard , L. Greiner , D. Grosnick , D. S. Gunarathne , Y. Guo , A. Gupta , S. Gupta , W. Guryn , A. Hamad , A. Hamed , R. Haque , J. W. Harris , L. He , S. Heppelmann , S. Heppelmann , A. Hirsch , G. W. Hoffmann , D. J. Hofman , S. Horvat , H. Z. Huang , B. Huang , X. Huang , P. Huck , T. J. Humanic , G. Igo , W. W. Jacobs , H. Jang , J. Jia , K. Jiang , E. G. Judd , S. Kabana , D. Kalinkin , K. Kang , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , Z. H. Khan , D. P. Kikoła , I. Kisel , A. Kisiel , L. Kochenda , D. D. Koetke , T. Kollegger , L. K. Kosarzewski , A. F. Kraishan , P. Kravtsov , K. Krueger , I. Kulakov , L. Kumar , R. A. Kycia , M. A. C. Lamont , J. M. Landgraf , K. D. Landry , J. Lauret , A. Lebedev , R. Lednicky , J. H. Lee , X. Li , X. Li , W. Li , C. Li , Z. M. Li , Y. Li , M. A. Lisa , F. Liu , T. Ljubicic , W. J. Llope , M. Lomnitz , R. S. Longacre , X. Luo , G. L. Ma , R. Ma , L. Ma , Y. G. Ma , N. Magdy , R. Majka , A. Manion , S. Margetis , C. Markert , H. Masui , H. S. Matis , D. McDonald , K. Meehan , N. G. Minaev , S. Mioduszewski , D. Mishra , B. Mohanty , M. M. Mondal , D. A. Morozov , M. K. Mustafa , B. K. Nandi , Md. Nasim , T. K. Nayak , G. Nigmatkulov , L. V. Nogach , S. Y. Noh , J. Novak , S. B. Nurushev , G. Odyniec , A. Ogawa , K. Oh , V. Okorokov , D. Olvitt , B. S. Page , R. Pak , Y. X. Pan , Y. Pandit , Y. Panebratsev , B. Pawlik , H. Pei , C. Perkins , A. Peterson , P. Pile , M. Planinic , J. Pluta , N. Poljak , K. Poniatowska , J. Porter , M. Posik , A. M. Poskanzer , N. K. Pruthi , J. Putschke , H. Qiu , A. Quintero , S. Ramachandran , R. Raniwala , S. Raniwala , R. L. Ray , H. G. Ritter , J. B. Roberts , O. V. Rogachevskiy , J. L. Romero , A. Roy , L. Ruan , J. Rusnak , O. Rusnakova , N. R. Sahoo , P. K. Sahu , S. Salur , J. Sandweiss , A. Sarkar , J. Schambach , R. P. Scharenberg , A. M. Schmah , W. B. Schmidke , N. Schmitz , J. Seger , P. Seyboth , N. Shah , E. Shahaliev , P. V. Shanmuganathan , M. Shao , B. Sharma , M. K. Sharma , W. Q. Shen , S. S. Shi , Q. Y. Shou , E. P. Sichtermann , R. Sikora , M. Simko , S. Singha , M. J. Skoby , N. Smirnov , D. Smirnov , L. Song , P. Sorensen , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , M. Stepanov , R. Stock , M. Strikhanov , B. Stringfellow , M. Sumbera , B. Summa , X. Sun , Z. Sun , X. M. Sun , Y. Sun , B. Surrow , N. Svirida , M. A. Szelezniak , Z. Tang , A. H. Tang , T. Tarnowsky , A. Tawfik , J. Thaeder , J. H. Thomas , A. R. Timmins , D. Tlusty , T. Todoroki , M. Tokarev , S. Trentalange , R. E. Tribble , P. Tribedy , S. K. Tripathy , B. A. Trzeciak , O. D. Tsai , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , G. van Nieuwenhuizen , M. Vandenbroucke , R. Varma , A. N. Vasiliev , R. Vertesi , F. Videbæk , Y. P. Viyogi , S. Vokal , S. A. Voloshin , A. Vossen , F. Wang , J. S. Wang , Y. Wang , Y. Wang , G. Wang , H. Wang , J. C. Webb , G. Webb , L. Wen , G. D. Westfall , H. Wieman , S. W. Wissink , R. Witt , Y. Wu , Y. F. Wu , Z. G. Xiao , W. Xie , K. Xin , N. Xu , Q. H. Xu , Z. Xu , Y. F. Xu , H. Xu , C. Yang , Y. Yang , Y. Yang , S. Yang , Q. Yang , Y. Yang , Z. Ye , Z. Ye , P. Yepes , L. Yi , K. Yip , I. -K. Yoo , N. Yu , H. Zbroszczyk , W. Zha , X. P. Zhang , Z. Zhang , S. Zhang , J. Zhang , Y. Zhang , J. B. Zhang , J. Zhang , J. Zhao , C. Zhong , L. Zhou , X. Zhu , Y. Zoulkarneeva , M. Zyzak

Recent data from the NA49 experiment on directed and elliptic flow for Pb+Pb reactions at CERN-SPS are compared to calculations with a hadron-string transport model, the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hannah Petersen , Qingfeng Li , Xianglei Zhu , Marcus Bleicher

We present elliptic flow, $v_2$, measurements for charged and identified particles at midrapidity in Au+Au collisions at $\sqrt{s_{NN}}$ = 7.7, 11.5 and 39 GeV at STAR. We compare the inclusive charged hadron $v_2$ to those from high…

Nuclear Experiment · Physics 2019-08-13 Shusu Shi

We report the first predictions of elliptic flow ($v_2$) of identified hadrons at mid-rapidity ($|y| <$ 1.0) in Au+Au collisions at $E_{lab} =$ 6.7, 8, 11, and 25 A GeV using the Parton Hadron String Dynamics (PHSD) model. The transverse…

High Energy Physics - Phenomenology · Physics 2024-07-09 B. Towseef , M. Farooq , V. Bairathi , B. Waseem , S. Kabana , S. Ahmad

Recently it has been discovered that the elliptic flow, v2, of composite charged particles emitted at midrapidity in Heavy-Ion collisions at intermediate energies shows the strongest sensitivity to the Nuclear Equation of State (EoS) which…

Nuclear Theory · Physics 2018-09-12 A. Le Fevre , Y. Leifels , C. Hartnack , J. Aichelin

We report a systematic measurement of elliptic flow ($v_{2}$) of $K_{s}^{0}$, $\Lambda$, $\overline{\Lambda}$, $\phi$, $\Xi^{-}$, $\overline{\Xi}^{+}$, and $\Omega^{-}$+$\overline{\Omega}^{+}$ at mid-rapidity ($|y| < 1.0$) for isobar,…

Nuclear Experiment · Physics 2026-02-13 The STAR Collaboration

The spatial configuration of initial partons in high-multiplicity proton-proton scatterings at 14 TeV is assumed as three randomly positioned "hot spots". The parton momentum distribution in the hot spots is calculated by HIJING2.0 with…

High Energy Physics - Phenomenology · Physics 2015-06-03 Wei-Tian Deng , Zhe Xu , Carsten Greiner

Recently the splitting of elliptic flow $v_2$ at finite rapidities has been proposed as a result of the global vorticity in non-central relativistic heavy ion collisions. In this study, we find that this left-right (i.e., on opposite sides…

Nuclear Theory · Physics 2022-12-14 Chao Zhang , Zi-Wei Lin

At Large Hadron Collider energy, the expected large multiplicities suggests the presence of collective behavior even in pp collisions. A hydrodynamical approach has been applied to estimate the expected elliptic flow measured by the…

Nuclear Theory · Physics 2010-09-28 S. K. Prasad , Victor Roy , S. Chattopadhyay , A. K. Chaudhuri

Employing a perturbative QCD based parton cascade we calculate the elliptic flow $v_2$ and its transverse momentum dependence $v_2(p_T)$ for the gluon matter created in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV. To make comparisons with…

High Energy Physics - Phenomenology · Physics 2009-02-18 Zhe Xu , Carsten Greiner

We have studied elliptic flow ($v_{2}$) of $\phi$-mesons in the framework of a multi phase transport (AMPT) model at LHC energy. In the realms of AMPT model we observe $\phi$-mesons at intermediate transverse momentum ($p_{T}$) deviate from…

Nuclear Theory · Physics 2017-02-20 Subikash Choudhury , Debojit Sarkar , Subhasis Chattopadhyay

Elliptic ($v_2$) and triangular ($v_3$) anisotropic flow coefficients for inclusive and identified charged hadrons (~$\pi^\pm$, $K^\pm$, $p$, $\bar{p}$~) at midrapidity in Au+Au collisions, measured by the STAR experiment in the Beam Energy…

High Energy Physics - Experiment · Physics 2020-12-15 P. Parfenov

The beam energy dependence of the elliptic flow,$v_2$, is studied in mid-central Au+Au collisions in the energy range of $3\leq \sqrt{s_{NN}} \leq 30$ GeV within the microscopic transport model JAM. The results of three different modes of…

Nuclear Theory · Physics 2018-04-04 Yasushi Nara , Harri Niemi , Akira Ohnishi , Jan Steinheimer , Xiaofeng Luo , Horst Stoecker

Based on the framework of an extended multiphase transport model with mean-field potentials in both the partonic phase and the hadronic phase, we explain the elliptic flow difference between $\pi^+$ and $\pi^-$ in the beam-energy scan…

Nuclear Theory · Physics 2019-10-18 He Liu , Feng-Tao Wang , Kai-Jia Sun , Jun Xu , Che Ming Ko