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The elliptic, triangular, quadrangular and pentagonal anisotropic flow coefficients for $\pi^{\pm}$, $\mathrm{K}^{\pm}$ and p+$\overline{\mathrm{p}}$ in Pb-Pb collisions at $\sqrt{s_\mathrm{{NN}}} = 2.76$ TeV were measured with the ALICE…

核实验 · 物理学 2016-11-29 ALICE Collaboration

The elliptic flow ($v_{2}$) at $\sqrt{s_{\rm NN}} = $ 11.5, 39, and 200 GeV and triangular flow ($v_{3}$) at $\sqrt{s_{\rm NN}} = $ 200 GeV of identified particles ($\pi^{\pm}, K^{\pm}, K^{0}_{S}, p, \bar{p}, \phi, \Lambda$ and…

核实验 · 物理学 2015-09-28 Xu Sun , Jianli Liu , Alexander Schmah , Shusu Shi , Jingbo Zhang , Lei Huo , Hanzhi Jiang

We apply the hydrodynamic model for the dynamics of matter created in p-Pb collisions at 4.4TeV and d-Pb collisions at 3.11TeV. The fluctuating initial conditions are calculated in the Glauber Monte-Carlo model for several centrality…

高能物理 - 唯象学 · 物理学 2012-02-01 Piotr Bozek

We use the string melting version of a multi-phase transport (AMPT) model to study Cu+Au collisions at $\sqrt{s_{NN}}=200$ GeV. The rapidity distributions of identified hadrons show asymmetric dependences on rapidity. In addition, elliptic…

高能物理 - 唯象学 · 物理学 2020-05-20 Yuncun He , Zi-Wei Lin

This study presents a comprehensive analysis of the elliptic flow coefficient, $v_2$, for charged hadrons at mid-rapidity in d+Au collisions at $\sqrt{s_{\mathrm{NN}}} = 200\mathrm{~GeV}$. Utilizing the AMPT model in both default and string…

核理论 · 物理学 2026-03-06 Jaideep Tanwar , Ishu Aggarwal , Vipul Bairathi , Lokesh Kumar , Sonia Kabana

The elliptic flow coefficient ($v_{2}$) of identified particles in Pb-Pb collisions at $\sqrt{s_\mathrm{{NN}}} = 2.76$ TeV was measured with the ALICE detector at the LHC. The results were obtained with the Scalar Product method, a…

核实验 · 物理学 2015-07-15 ALICE Collaboration

The matter created in central p+p, p+Pb and Pb+Pb collisions at sqrt{s}=5.02 TeV is simulated event-by-event using the superSONIC model, which combines pre-equilibrium flow, viscous hydrodynamic evolution and late-stage hadronic…

核理论 · 物理学 2018-02-01 Ryan D. Weller , Paul Romatschke

Elliptic flow (v_2) of \phi-meson is shown to be a sensitive probe of the partonic collectivity using A Multi Phase Transport (AMPT) model. Within the ambit of the AMPT model with partonic interactions (string melting version), the…

核实验 · 物理学 2015-06-12 Md. Nasim , Bedangadas Mohanty , Nu Xu

Two-particle correlations in relative rapidity and azimuth are studied for the p-Pb collisions at the LHC energy of 5.02 TeV in the framework of event-by-event 3+1-dimensional viscous hydrodynamics. It is found that for the…

核理论 · 物理学 2013-01-16 Piotr Bozek , Wojciech Broniowski

We present measurements of the elliptic flow, $v_2$, as a function of transverse momentum ($p_T$), pseudorapidity ($\eta$), and centrality in $d$$+$Au collisions at $\sqrt{s_{_{NN}}}=$200, 62.4, 39, and 19.6 GeV. The beam-energy scan of…

核实验 · 物理学 2018-01-03 C. Aidala , Y. Akiba , M. Alfred , K. Aoki , N. Apadula , C. Ayuso , V. Babintsev , A. Bagoly , K. N. Barish , S. Bathe , A. Bazilevsky , R. Belmont , A. Berdnikov , Y. Berdnikov , D. S. Blau , M. Boer , J. S. Bok , M. L. Brooks , J. Bryslawskyj , V. Bumazhnov , C. Butler , S. Campbell , V. Canoa Roman , C. Y. Chi , M. Chiu , M. Connors , M. Csanád , T. Csörgő , T. W. Danley , M. S. Daugherity , G. David , K. DeBlasio , K. Dehmelt , A. Denisov , A. Deshpande , E. J. Desmond , J. H. Do , A. Drees , K. A. Drees , M. Dumancic , J. M. Durham , A. Durum , T. Elder , A. Enokizono , S. Esumi , B. Fadem , W. Fan , N. Feege , D. E. Fields , S. L. Fokin , J. E. Frantz , A. Franz , A. D. Frawley , Y. Fukuda , C. Gal , P. Garg , H. Ge , Y. Goto , N. Grau , S. V. Greene , T. Gunji , T. Hachiya , J. S. Haggerty , K. I. Hahn , S. Y. Han , S. Hasegawa , T. O. S. Haseler , X. He , T. K. Hemmick , K. Hill , A. Hodges , K. Homma , B. Hong , T. Hoshino , N. Hotvedt , J. Huang , S. Huang , J. Imrek , M. Inaba , D. Isenhower , Y. Ito , D. Ivanishchev , B. V. Jacak , Z. Ji , B. M. Johnson , V. Jorjadze , D. Jouan , D. S. Jumper , J. H. Kang , D. Kapukchyan , S. Karthas , A. V. Kazantsev , V. Khachatryan , A. Khanzadeev , C. Kim , D. J. Kim , E. -J. Kim , M. Kim , M. H. Kim , D. Kincses , E. Kistenev , T. Koblesky , D. Kotov , S. Kudo , K. Kurita , J. G. Lajoie , E. O. Lallow , A. Lebedev , S. H. Lee , M. J. Leitch , Y. H. Leung , N. A. Lewis , X. Li , S. H. Lim , L. D. Liu , M. X. Liu , V. -R. Loggins , S. Lokos , D. Lynch , T. Majoros , M. Makek , M. Malaev , V. I. Manko , E. Mannel , H. Masuda , M. McCumber , D. McGlinchey , W. J. Metzger , A. C. Mignerey , D. E. Mihalik , A. Milov , D. K. Mishra , J. T. Mitchell , G. Mitsuka , T. Moon , D. P. Morrison , S. I. M. Morrow , T. Murakami , J. Murata , K. Nagai , K. Nagashima , T. Nagashima , J. L. Nagle , M. I. Nagy , I. Nakagawa , H. Nakagomi , K. Nakano , C. Nattrass , R. Nouicer , T. Novák , N. Novitzky , R. Novotny , A. S. Nyanin , E. O'Brien , C. A. Ogilvie , J. D. Orjuela Koop , J. D. Osborn , A. Oskarsson , K. Ozawa , V. Pantuev , V. Papavassiliou , J. S. Park , S. Park , S. F. Pate , M. Patel , W. Peng , D. V. Perepelitsa , G. D. N. Perera , C. E. PerezLara , R. Petti , M. Phipps , C. Pinkenburg , A. Pun , M. L. Purschke , P. V. Radzevich , K. F. Read , V. Riabov , Y. Riabov , D. Richford , T. Rinn , M. Rosati , Z. Rowan , J. Runchey , T. Sakaguchi , H. Sako , V. Samsonov , M. Sarsour , K. Sato , S. Sato , B. Schaefer , B. K. Schmoll , R. Seidl , A. Sen , R. Seto , A. Sexton , D. Sharma , I. Shein , T. -A. Shibata , K. Shigaki , M. Shimomura , C. L. Silva , D. Silvermyr , M. J. Skoby , M. Slunečka , K. L. Smith , R. A. Soltz , S. P. Sorensen , I. V. Sourikova , P. W. Stankus , S. P. Stoll , T. Sugitate , A. Sukhanov , S. Syed , A Takeda , K. Tanida , M. J. Tannenbaum , S. Tarafdar , G. Tarnai , R. Tieulent , A. Timilsina , M. Tomášek , C. L. Towell , R. S. Towell , I. Tserruya , Y. Ueda , B. Ujvari , H. W. van Hecke , S. Vazquez-Carson , J. Velkovska , M. Virius , X. R. Wang , Z. Wang , Y. Watanabe , C. P. Wong , C. Xu , Q. Xu , Y. L. Yamaguchi , A. Yanovich , P. Yin , J. H. Yoo , I. Yoon , H. Yu , I. E. Yushmanov , W. A. Zajc , S. Zharko , L. Zou

We use A Multi-Phase Transport (AMPT) model to simulate the event-by-event p-Pb collisions at $\sqrt{s_{NN}}$=5.02 TeV. To study the space-time volume fluctuations, two different definitions of radius have been introduced in the…

核理论 · 物理学 2024-10-30 De-Xian Wei

Recent developments on a deep learning feed-forward network for estimating elliptic flow ($v_2$) coefficients in heavy-ion collisions have shown us the prediction power of this technique. The success of the model is mainly the estimation of…

高能物理 - 唯象学 · 物理学 2023-05-05 Neelkamal Mallick , Suraj Prasad , Aditya Nath Mishra , Raghunath Sahoo , Gergely Gábor Barnaföldi

The first measurements of elliptic flow of $\pi^\pm$, ${\rm K}^\pm$, p+$\overline{\rm p}$, ${\rm K_{S}^0}$, $\Lambda$+$\overline{\Lambda}$, $\phi$, $\Xi^-$+$\Xi^+$, and $\Omega^-$+$\Omega^+$ using multiparticle cumulants in Pb$-$Pb…

核实验 · 物理学 2023-06-16 ALICE Collaboration

The correlation between the elliptic flow $v_2$ scaled by the impact parameter $b$ and the shear viscosity $\eta$ as well as the specific viscosity $\eta/s$, defined as the ratio of the shear viscosity to the entropy density $s$, is…

核理论 · 物理学 2014-11-21 C. L. Zhou , Y. G. Ma , D. Q. Fang , G. Q. Zhang , J. Xu , X. G. Cao , W. Q. Shen

The applicability of hydrodynamics in small collision systems remains controversial due to the small size and short lifetime of the system. In this letter, we employ viscous anisotropic hydrodynamics (VAH), which incorporates large pressure…

核理论 · 物理学 2025-10-07 Shujun Zhao , Yiyang Peng , Ulrich W. Heinz , Huichao Song

We calculate the elliptic flow parameter $v_2$ for Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV employing the parton cascade BAMPS (Boltzmann Approach of Multiparton Scatterings). Besides gluon interactions including the bremsstrahlung…

高能物理 - 唯象学 · 物理学 2010-05-12 Zhe Xu , Carsten Greiner

Event-by-event fluctuations in the spatial patterns in charged particles generated in Pb--Pb collisions at the center-of-mass energy $\sqrt{S_{\rm{NN}}}$ = 2.76 TeV are studied within A MultiPhase Transport (AMPT) model. The spatial…

核实验 · 物理学 2015-01-29 Ramni Gupta , Rohni Sharma

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,…

核实验 · 物理学 2010-12-02 Md. Nasim , Lokesh Kumar , Pawan Kumar Netrakanti , Bedangadas Mohanty

We studied the relation between the initial geometry anisotropy and the anisotropic flow in a multiphase transport model (AMPT) for both Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV. It is found that unlike the elliptic flow…

核理论 · 物理学 2012-01-16 Kai Xiao , Na Li , Shusu Shi , Feng Liu

Multi-particle collision dynamics is an appealing numerical technique aiming at simulating fluids at the mesoscopic scale. It considers molecular details in a coarse-grained fashion and reproduces hydrodynamic phenomena. Here, the…

软凝聚态物质 · 物理学 2019-03-28 H. Híjar