Related papers: Neutron density fluctuation and neutron-proton cor…

Particle productions and anisotropic flows from the AMPT model for Cu+Au collisions at $\sqrt{s_{NN}}=200$ GeV

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…

High Energy Physics - Phenomenology · Physics 2020-05-20 Yuncun He , Zi-Wei Lin

Correlation functions of net-proton multiplicity distributions in Au + Au collisions at energies available at the BNL Relativistic Heavy Ion Collider from a multiphase transport model

Fluctuations of conserved quantities are believed to be sensitive observables to probe the signature of the QCD phase transition and critical point. It was argued recently that measuring the genuine correlation functions (CFs) could provide…

High Energy Physics - Phenomenology · Physics 2017-10-24 Yufu Lin , Lizhu Chen , Zhiming Li

Rapidity dependence of antiproton to proton ratios in Au+Au collisions at sqrt{s_{NN}}=130 GeV

Measurements, with the BRAHMS detector, of the antiproton to proton ratio at central and forward rapidities are presented for Au+Au reactions at sqrt{s_{NN}}=130 GeV, and for three different collision centralities. For collisions in the…

Nuclear Experiment · Physics 2014-11-18 BRAHMS Collaboration , I. G. Bearden

Rapidity dependence of deuteron production in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

We have measured the distributions of protons and deuterons produced in high energy heavy ion Au+Au collisions at RHIC over a very wide range of transverse and longitudinal momentum. Near mid-rapidity we have also measured the distribution…

Nuclear Experiment · Physics 2015-03-17 BRAHMS Collaboration , I. Arsene , I. G. Bearden , D. Beavis , S. Bekele , C. Besliu , B. Budick , H. Bøggild , C. Chasman , C. H. Christensen , P. Christensen , H. H. Dalsgaard , R. Debbe , J. J. Gaardhøje , C. E. Jørgensen , K. Hagel , H. Ito , A. Jipa , E. B. Johnson , R. Karabowicz , N. Katrynska , E. J. Kim , T. M. Larsen , J. H. Lee , G. Løvhøiden , Z. Majka , M. Murray , J. Natowitz , B. S. Nielsen , C. Nygaard , D. Ouerdane , D. Pal , A. Qville , F. Rami , C. Ristea , O. Ristea , D. Röhrich , S. J. Sanders , P. Staszel , T. S. Tveter , F. Videbæk , R. Wada , H. Yang , Z. Yin , S. Zgura

Measurement of density correlations in pseudorapidity via charged particle multiplicity fluctuations in Au+Au collisions at sqrt(s_NN)=200 GeV

Longitudinal density correlations of produced matter in Au+Au collisions at sqrt(s_NN)=200 GeV have been measured from the inclusive charged particle distributions as a function of pseudorapidity window sizes. The extracted \alpha \xi…

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

Effects of centrality fluctuation and deuteron formation on proton number cumulant in Au+Au collisions at $\sqrt{s_\mathrm{NN}}$ = 3 GeV from JAM model

We studied the effects of centrality fluctuation and deuteron formation on the cumulants ($C_n$) and correlation functions ($\kappa_n$) of protons up to sixth order in most central ($b<3$ fm) Au+Au collisions at $\sqrt{s_\mathrm{NN}}$ = 3…

Nuclear Experiment · Physics 2021-04-29 Arghya Chatterjee , Yu Zhang , Hui Liu , Ruiqin Wang , Shu He , Xiaofeng Luo

Energy dependence of particle production in Au+Au collisions at $\sqrt{s_{\text{NN}}}$ = 7.7-200 GeV using a multiphase transport model

In this study, we employ a multi-phase transport (AMPT) model to understand the production of $\pi^{\pm}$, $K^{\pm}$, $p$, $\overline{p}$, $K^{0}_{s}$, $\Lambda$, $\bar{\Lambda}$, and $\phi$ in Au + Au collisions at $\sqrt{s_{NN}} = 7.7$,…

Nuclear Theory · Physics 2024-06-21 Krishan Gopal , Chitrasen Jena , Kishora Nayak

Production of Protons and Light Nuclei in Au+Au Collisions at $\sqrt{s_{\mathrm{NN}}}$ = 3 GeV with the STAR Detector

We report the systematic measurement of protons and light nuclei production in Au+Au collisions at $\sqrt{s_{\mathrm{NN}}}$ = 3 GeV by the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The transverse momentum ($p_{T}$)…

Nuclear Experiment · Physics 2024-11-26 STAR Collaboration , M. I. Abdulhamid , B. E. Aboona , J. Adam , L. Adamczyk , J. R. Adams , I. Aggarwal , M. M. Aggarwal , Z. Ahammed , E. C. Aschenauer , S. Aslam , J. Atchison , V. Bairathi , J. G. Ball Cap , K. Barish , R. Bellwied , P. Bhagat , A. Bhasin , S. Bhatta , S. R. Bhosale , J. Bielcik , J. Bielcikova , J. D. Brandenburg , C. Broodo , X. Z. Cai , H. Caines , M. Calderón de la Barca Sánchez , D. Cebra , J. Ceska , I. Chakaberia , P. Chaloupka , B. K. Chan , Z. Chang , A. Chatterjee , D. Chen , J. Chen , J. H. Chen , Q. Chen , Z. Chen , J. Cheng , Y. Cheng , W. Christie , X. Chu , H. J. Crawford , M. Csanád , G. Dale-Gau , A. Das , I. M. Deppner , A. Deshpande , A. Dhamija , P. Dixit , X. Dong , J. L. Drachenberg , E. Duckworth , J. C. Dunlop , J. Engelage , G. Eppley , S. Esumi , O. Evdokimov , O. Eyser , R. Fatemi , S. Fazio , C. J. Feng , Y. Feng , E. Finch , Y. Fisyak , F. A. Flor , C. Fu , C. A. Gagliardi , T. Galatyuk , T. Gao , F. Geurts , N. Ghimire , A. Gibson , K. Gopal , X. Gou , D. Grosnick , A. Gupta , W. Guryn , A. Hamed , Y. Han , S. Harabasz , M. D. Harasty , J. W. Harris , H. Harrison-Smith , W. He , X. H. He , Y. He , N. Herrmann , L. Holub , C. Hu , Q. Hu , Y. Hu , H. Huang , H. Z. Huang , S. L. Huang , T. Huang , Y. Huang , Y. Huang , T. J. Humanic , M. Isshiki , W. W. Jacobs , A. Jalotra , C. Jena , A. Jentsch , Y. Ji , J. Jia , C. Jin , X. Ju , E. G. Judd , S. Kabana , D. Kalinkin , K. Kang , D. Kapukchyan , K. Kauder , D. Keane , A. Khanal , Y. V. Khyzhniak , D. P. Kikoła , D. Kincses , I. Kisel , A. Kiselev , A. G. Knospe , H. S. Ko , J. Kołaś , L. K. Kosarzewski , L. Kumar , M. C. Labonte , R. Lacey , J. M. Landgraf , J. Lauret , A. Lebedev , J. H. Lee , Y. H. Leung , C. Li , D. Li , H-S. Li , H. Li , H. Li , W. Li , X. Li , Y. Li , Y. Li , Z. Li , X. Liang , Y. Liang , R. Licenik , T. Lin , Y. Lin , M. A. Lisa , C. Liu , G. Liu , H. Liu , L. Liu , T. Liu , X. Liu , Y. Liu , Z. Liu , T. Ljubicic , O. Lomicky , R. S. Longacre , E. M. Loyd , T. Lu , J. Luo , X. F. Luo , L. Ma , R. Ma , Y. G. Ma , N. Magdy , D. Mallick , R. Manikandhan , C. Markert , O. Matonoha , G. McNamara , O. Mezhanska , K. Mi , S. Mioduszewski , B. Mohanty , B. Mondal , M. M. Mondal , I. Mooney , J. Mrazkova , M. I. Nagy , C. J. Naim , A. S. Nain , J. D. Nam , M. Nasim , D. Neff , J. M. Nelson , M. Nie , G. Nigmatkulov , T. Niida , T. Nonaka , G. Odyniec , A. Ogawa , S. Oh , K. Okubo , B. S. Page , S. Pal , A. Pandav , A. Panday , A. K. Pandey , T. Pani , A. Paul , B. Pawlik , D. Pawlowska , C. Perkins , J. Pluta , B. R. Pokhrel , M. Posik , T. L. Protzman , V. Prozorova , N. K. Pruthi , M. Przybycien , J. Putschke , Z. Qin , H. Qiu , C. Racz , S. K. Radhakrishnan , A. Rana , R. L. Ray , R. Reed , C. W. Robertson , M. Robotkova , M. A. Rosales Aguilar , D. Roy , P. Roy Chowdhury , L. Ruan , A. K. Sahoo , N. R. Sahoo , H. Sako , S. Salur , S. Sato , B. C. Schaefer , W. B. Schmidke , N. Schmitz , F-J. Seck , J. Seger , R. Seto , P. Seyboth , N. Shah , P. V. Shanmuganathan , T. Shao , M. Sharma , N. Sharma , R. Sharma , S. R. Sharma , A. I. Sheikh , D. Shen , D. Y. Shen , K. Shen , S. S. Shi , Y. Shi , Q. Y. Shou , F. Si , J. Singh , S. Singha , P. Sinha , M. J. Skoby , N. Smirnov , Y. Söhngen , Y. Song , B. Srivastava , T. D. S. Stanislaus , M. Stefaniak , D. J. Stewart , Y. Su , M. Sumbera , C. Sun , X. Sun , Y. Sun , Y. Sun , B. Surrow , M. Svoboda , Z. W. Sweger , A. C. Tamis , A. H. Tang , Z. Tang , T. Tarnowsky , J. H. Thomas , A. R. Timmins , D. Tlusty , T. Todoroki , S. Trentalange , P. Tribedy , S. K. Tripathy , T. Truhlar , B. A. Trzeciak , O. D. Tsai , C. Y. Tsang , Z. Tu , J. Tyler , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , J. Vanek , I. Vassiliev , V. Verkest , F. Videbæk , S. A. Voloshin , G. Wang , J. S. Wang , J. Wang , K. Wang , X. Wang , Y. Wang , Y. Wang , Y. Wang , Z. Wang , J. C. Webb , P. C. Weidenkaff , G. D. Westfall , D. Wielanek , H. Wieman , G. Wilks , S. W. Wissink , R. Witt , J. Wu , J. Wu , X. Wu , X. Wu , B. Xi , Z. G. Xiao , G. Xie , W. Xie , H. Xu , N. Xu , Q. H. Xu , Y. Xu , Y. Xu , Z. Xu , Z. Xu , G. Yan , Z. Yan , C. Yang , Q. Yang , S. Yang , Y. Yang , Z. Ye , Z. Ye , L. Yi , N. Yu , Y. Yu , H. Zbroszczyk , W. Zha , C. Zhang , D. Zhang , J. Zhang , S. Zhang , W. Zhang , X. Zhang , Y. Zhang , Y. Zhang , Y. Zhang , Y. Zhang , Z. J. Zhang , Z. Zhang , Z. Zhang , F. Zhao , J. Zhao , M. Zhao , S. Zhou , Y. Zhou , X. Zhu , M. Zurek , M. Zyzak

Net-charge fluctuation in Au+Au collisions at energies available at the Facility for Antiproton and Ion Research using the UrQMD model

We have studied the dynamical fluctuation of net-charge of hadrons produced in Au+Au collisions at energies that in near future will be available at the Facility for Antiproton and Ion Research (FAIR). Data simulated by a microscopic…

Nuclear Theory · Physics 2018-05-03 Somnath Ghosh , Provash Mali , Amitabha Mukhopadhyay

Probing fluctuations and correlations of strangeness by net-kaon cumulants in Au+Au collisions at $\sqrt{s_{NN}} = 7.7$ GeV

We calculate the cumulants and correlation functions of net-kaon multiplicity distributions in Au+Au collisions at $\sqrt{s_{NN}} = 7.7$ GeV using a multiphase transport model (AMPT) with both a new coalescence mechanism and all charge…

Nuclear Theory · Physics 2023-03-21 Qian Chen , Han-Sheng Wang , Guo-Liang Ma

Collective behaviour in proton number fluctuations seen in $\sqrt{s_{NN}}=$ 2.4 GeV Au+Au collisions

At energies of a few GeV per nucleon, nuclear collisions exhibit phenomena more complex than the individualistic nucleon interactions observed at much higher energies. From recent results on proton number fluctuations in Au + Au collisions…

Nuclear Theory · Physics 2024-08-16 Ali Bazgir , Maciej Rybczynski , Uzair A. Shah , Zbigniew Wlodarczyk

Energy dependence of transverse momentum fluctuations in Au+Au collisions from a multiphase transport model

Event-by-event mean transverse momentum fluctuations ($\langle p_\mathrm{T}\rangle$) serve as a sensitive probe of initial state overlap geometry and energy density fluctuations in relativistic heavy-ion collisions. We present a systematic…

Nuclear Theory · Physics 2025-02-14 Liuyao Zhang , Jinhui Chen , Chunjian Zhang

Light nuclei elliptic flow at mid-rapidity in $\sqrt{s_{NN}} = 3.0-3.9$ GeV Au+Au collisions using coalescence model

Light nuclei collective flow is an important probe for understanding their production mechanisms in heavy-ion collisions. The STAR collaboration has reported that the atomic mass number ($A$) scaling of light nuclei elliptic flow $v_2$ is…

Nuclear Theory · Physics 2025-08-11 Y. Xu , X. H. He , Y. P. Zhang

Probing QCD critical fluctuations from intermittency analysis in relativistic heavy-ion collisions

It is shown that intermittency, a self-similar correlation with respect to the size of the phase space volume, is sensitive to critical density fluctuations of baryon numbers in a system belonging to the three-dimensional (3D) Ising…

Nuclear Theory · Physics 2020-01-06 Jin Wu , Yufu Lin , Yuanfang Wu , Zhiming Li

Beam Energy Dependence of Triton Production and Yield Ratio ($\mathrm{N}_t \times \mathrm{N}_p/\mathrm{N}_d^2$) in Au+Au Collisions at RHIC

We report the triton ($t$) production in mid-rapidity ($|y| <$ 0.5) Au+Au collisions at $\sqrt{s_\mathrm{NN}}$= 7.7--200 GeV measured by the STAR experiment from the first phase of the beam energy scan at the Relativistic Heavy Ion Collider…

Nuclear Experiment · Physics 2023-05-19 STAR Collaboration , M. I. Abdulhamid , B. E. Aboona , J. Adam , J. R. Adams , G. Agakishiev , I. Aggarwal , M. M. Aggarwal , Z. Ahammed , A. Aitbaev , I. Alekseev , D. M. Anderson , A. Aparin , S. Aslam , J. Atchison , G. S. Averichev , V. Bairathi , W. Baker , J. G. Ball Cap , K. Barish , P. Bhagat , A. Bhasin , S. Bhatta , I. G. Bordyuzhin , J. D. Brandenburg , A. V. Brandin , X. Z. Cai , H. Caines , M. Calderón~de~la~Barca~Sánchez , D. Cebra , J. Ceska , I. Chakaberia , B. K. Chan , Z. Chang , A. Chatterjee , D. Chen , J. Chen , J. H. Chen , Z. Chen , J. Cheng , Y. Cheng , S. Choudhury , W. Christie , X. Chu , H. J. Crawford , G. Dale-Gau , A. Das , M. Daugherity , T. G. Dedovich , I. M. Deppner , A. A. Derevschikov , A. Dhamija , L. Di Carlo , L. Didenko , P. Dixit , X. Dong , J. L. Drachenberg , E. Duckworth , J. C. Dunlop , J. Engelage , G. Eppley , S. Esumi , O. Evdokimov , A. Ewigleben , O. Eyser , R. Fatemi , S. Fazio , C. J. Feng , Y. Feng , E. Finch , Y. Fisyak , F. A. Flor , C. Fu , F. Geurts , N. Ghimire , A. Gibson , K. Gopal , X. Gou , D. Grosnick , A. Gupta , A. Hamed , Y. Han , M. D. Harasty , J. W. Harris , H. Harrison-Smith , W. He , X. H. He , Y. He , C. Hu , Q. Hu , Y. Hu , H. Huang , H. Z. Huang , S. L. Huang , T. Huang , X. Huang , Y. Huang , Y. Huang , T. J. Humanic , D. Isenhower , M. Isshiki , W. W. Jacobs , A. Jalotra , C. Jena , Y. Ji , J. Jia , C. Jin , X. Ju , E. G. Judd , S. Kabana , M. L. Kabir , D. Kalinkin , K. Kang , D. Kapukchyan , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , M. Kelsey , B. Kimelman , A. Kiselev , A. G. Knospe , H. S. Ko , L. Kochenda , A. A. Korobitsin , P. Kravtsov , L. Kumar , S. Kumar , R. Kunnawalkam Elayavalli , R. Lacey , J. M. Landgraf , A. Lebedev , R. Lednicky , J. H. Lee , Y. H. Leung , N. Lewis , C. Li , W. Li , X. Li , Y. Li , Y. Li , Z. Li , X. Liang , Y. Liang , T. Lin , C. Liu , F. Liu , H. Liu , H. Liu , L. Liu , T. Liu , X. Liu , Y. Liu , Z. Liu , T. Ljubicic , W. J. Llope , O. Lomicky , R. S. Longacre , E. M. Loyd , T. Lu , N. S. Lukow , X. F. Luo , V. B. Luong , L. Ma , R. Ma , Y. G. Ma , N. Magdy , D. Mallick , S. Margetis , H. S. Matis , J. A. Mazer , G. McNamara , K. Mi , N. G. Minaev , B. Mohanty , M. M. Mondal , I. Mooney , D. A. Morozov , A. Mudrokh , M. I. Nagy , A. S. Nain , J. D. Nam , Md. Nasim , D. Neff , J. M. Nelson , D. B. Nemes , M. Nie , G. Nigmatkulov , T. Niida , R. Nishitani , L. V. Nogach , T. Nonaka , G. Odyniec , A. Ogawa , S. Oh , V. A. Okorokov , K. Okubo , B. S. Page , R. Pak , J. Pan , A. Pandav , A. K. Pandey , Y. Panebratsev , T. Pani , P. Parfenov , A. Paul , C. Perkins , B. R. Pokhrel , M. Posik , T. Protzman , N. K. Pruthi , J. Putschke , Z. Qin , H. Qiu , A. Quintero , C. Racz , S. K. Radhakrishnan , N. Raha , R. L. Ray , H. G. Ritter , C. W. Robertson , O. V. Rogachevsky , M. A. Rosales Aguilar , D. Roy , L. Ruan , A. K. Sahoo , N. R. Sahoo , H. Sako , S. Salur , E. Samigullin , S. Sato , W. B. Schmidke , N. Schmitz , J. Seger , R. Seto , P. Seyboth , N. Shah , E. Shahaliev , P. V. Shanmuganathan , T. Shao , M. Sharma , N. Sharma , R. Sharma , S. R. Sharma , A. I. Sheikh , D. Y. Shen , K. Shen , S. S. Shi , Y. Shi , Q. Y. Shou , F. Si , J. Singh , S. Singha , P. Sinha , M. J. Skoby , Y. Söhngen , Y. Song , B. Srivastava , T. D. S. Stanislaus , D. J. Stewart , M. Strikhanov , B. Stringfellow , Y. Su , C. Sun , X. Sun , Y. Sun , Y. Sun , B. Surrow , D. N. Svirida , Z. W. Sweger , A. Tamis , A. H. Tang , Z. Tang , A. Taranenko , T. Tarnowsky , J. H. Thomas , D. Tlusty , T. Todoroki , M. V. Tokarev , C. A. Tomkiel , S. Trentalange , R. E. Tribble , P. Tribedy , O. D. Tsai , C. Y. Tsang , Z. Tu , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , A. N. Vasiliev , V. Verkest , F. Videbæk , S. Vokal , S. A. Voloshin , F. Wang , G. Wang , J. S. Wang , X. Wang , Y. Wang , Y. Wang , Y. Wang , Z. Wang , J. C. Webb , P. C. Weidenkaff , G. D. Westfall , H. Wieman , G. Wilks , S. W. Wissink , J. Wu , J. Wu , X. Wu , Y. Wu , B. Xi , Z. G. Xiao , G. Xie , W. Xie , H. Xu , N. Xu , Q. H. Xu , Y. Xu , Y. Xu , Z. Xu , Z. Xu , G. Yan , Z. Yan , C. Yang , Q. Yang , S. Yang , Y. Yang , Z. Ye , Z. Ye , L. Yi , K. Yip , N. Yu , Y. Yu , W. Zha , C. Zhang , D. Zhang , J. Zhang , S. Zhang , X. Zhang , Y. Zhang , Y. Zhang , Y. Zhang , Z. J. Zhang , Z. Zhang , Z. Zhang , F. Zhao , J. Zhao , M. Zhao , C. Zhou , J. Zhou , S. Zhou , Y. Zhou , X. Zhu , M. Zurek , M. Zyzak

Multiplicity fluctuations and rapidity correlations in ultracentral proton-nucleus collisions

A collision between a proton and a heavy nucleus at ultrarelativistic energy creates particles whose rapidity distribution is asymmetric, with more particles emitted in the direction of the nucleus than in the direction of the proton. This…

Nuclear Theory · Physics 2024-07-23 Rupam Samanta , Jean-Yves Ollitrault

Centrality dependence of charged antiparticle to particle ratios near mid-rapidity in d+Au collisions at sqrt(s_NN)=200 GeV

The ratios of the yields of charged antiparticles to particles have been obtained for pions, kaons, and protons near mid-rapidity for d+Au collisions at sqrt(s_NN) = 200 GeV as a function of centrality. The reported values represent the…

Nuclear Experiment · Physics 2008-11-26 B. B. Back

Extraction of dihadron-jet correlations with rigorous flow-background subtraction in a multiphase transport model

Dihadron azimuthal correlations in Au+Au collisions at $\sqrt{S_{NN}}$=200 GeV have been explored by using a multi-phase transport (AMPT) model. In order to obtain the contributions from jet-medium interactions, the combined harmonic flow…

Nuclear Theory · Physics 2013-09-27 Yu-hui Zhu , Y. G. Ma , J. H. Chen , G. L. Ma , S. Zhang , C. Zhong

Impact of nuclear deformation on collective flow observables in relativistic U+U collisions

A Multi-Phase Transport (AMPT) model is used to investigate the efficacy of several flow observables to constrain the initial-state deformation of the Uranium nuclei in U$+$U collisions at nucleon-nucleon center-of-mass energy…

Nuclear Theory · Physics 2024-03-04 Niseem Magdy

Anisotropic distributions in a multi-phase transport model

With A Multi-Phase Transport (AMPT) model we investigate the relation between the magnitude, fluctuations and correlations of the initial state spatial anisotropy $\varepsilon_{n}$ and the final state anisotropic flow coefficients $v_{n}$…

Nuclear Experiment · Physics 2016-03-23 You Zhou , Kai Xiao , Zhao Feng , Feng Liu , Raimond Snellings