相关论文: Elastic parton scattering and non-statistical even…

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…

核理论 · 物理学 2025-02-14 Liuyao Zhang , Jinhui Chen , Chunjian Zhang

Non-flow correlations and elliptic flow fluctuations in Au+Au collisions at sqrt(s_NN)=200GeV

We present first results on event-by-event elliptic flow fluctuations in nucleus-nucleus collisions corrected for effects of non-flow correlations where the magnitude of non-flow correlations has been independently measured in data. Over…

核实验 · 物理学 2008-11-26 PHOBOS Collaboration , B. Alver , B. B. Back , M. D. Baker , M. Ballintijn , D. S. Barton , R. R. Betts , A. A. Bickley , R. Bindel , W. Busza , A. Carroll , Z. Chai , V. Chetluru , M. P. Decowski , E. Garcia , T. Gburek , N. George , K. Gulbrandsen , C. Halliwell , J. Hamblen , I. Harnarine , M. Hauer , C. Henderson , D. J. Hofman , R. S. Hollis , R. Holyinski , B. Holzman , A. Iordanova , E. Johnson , J. L. Kane , N. Khan , P. Kulinich , C. M. Kuo , W. Li , W. T. Lin , C. Loizides , S. Manly , A. C. Mignerey , R. Nouicer , A. Olszewski , R. Pak , C. Reed , E. Richardson , C. Roland , G. Roland , J. Sagerer , H. Seals , I. Sedykh , C. E. Smith , M. A. Stankiewicz , P. Steinberg , G. S. F. Stephans , A. Sukhanov , A. Szostak , M. B. Tonjes , A. Trzupek , C. Vale , G. J. van Nieuwenhuizen , S. S. Vaurynovich , R. Verdier , G. I. Veres , P. Walters , E. Wenger , D. Willhelm , F. L. H. Wolfs , B. Wosiek , K. Wozniak , S. Wyngaardt , B. Wyslouch

Initial partonic eccentricity fluctuations in a multi-phase transport model

Initial partonic eccentricities in Au+Au collisions at center-of-mass energy $\sqrt{s_{NN}}$ = 200 GeV are investigated using a multi-phase transport model with string melting scenario. The initial eccentricities in different order of…

核理论 · 物理学 2017-06-06 L. Ma , G. L. Ma , Y. G. Ma

Measurement of semi-inclusive jet fragmentation functions in Au+Au collisions at sqrt(s_NN) = 200 GeV in STAR

Jet quenching in relativistic heavy ion collisions can have multiple phenomenological consequences: jet energy loss, modification of jet substructure, and induced acoplanarity. In these proceedings, we report a measurement of the jet…

核实验 · 物理学 2021-02-12 Saehanseul Oh

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…

核实验 · 物理学 2008-11-26 PHENIX Collaboration , S. S. Adler

Beam-Energy and System-Size Dependence of Dynamical Net Charge Fluctuations

We present measurements of net charge fluctuations in $Au + Au$ collisions at $\sqrt{s_{NN}} = $ 19.6, 62.4, 130, and 200 GeV, $Cu + Cu$ collisions at $\sqrt{s_{NN}} = $ 62.4, 200 GeV, and $p + p$ collisions at $\sqrt{s} = $ 200 GeV using…

核实验 · 物理学 2019-08-13 Monika Sharma

Non-flow correlations and elliptic flow fluctuations in gold-gold collisions at sqrt(s_NN)= 200 GeV

This paper presents results on event-by-event elliptic flow fluctuations in Au+Au collisions at sqrt(s_NN)=200Gev, where the contribution from non-flow correlations has been subtracted. An analysis method is introduced to measure non-flow…

核实验 · 物理学 2019-08-13 B. Alver

Scaling p_T distributions for p and \bar{p} produced in Au+Au collisions at RHIC

With the experimental data from STAR and PHENIX on the centrality dependence of the $p_T$ spectra of protons and anti-protons produced at mid-rapidity in Au+Au collisions at 200 GeV, we show that for protons and anti-protons there exists a…

核理论 · 物理学 2008-11-26 W. C. Zhang , Y. Zeng , W. X. Nie , L. L. Zhu , C. B. Yang

Measurement of event-by-event fluctuations and order parameters in PHENIX

We present the latest results on event-by-event fluctuations of charged particle multiplicity in Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}} = 200$ GeV and 62.4 GeV measured by PHENIX experiment at RHIC. The two particle correlation length…

核实验 · 物理学 2019-08-14 T. Nakamura

Systematic Studies of Elliptic Flow Measurements in Au+Au Collisions at sqrt(s_NN) = 200 GeV

We present inclusive charged hadron elliptic flow v_2 measured over the pseudorapidity range |\eta| < 0.35 in Au+Au collisions at sqrt(s_NN) = 200 GeV. Results for v_2 are presented over a broad range of transverse momentum (p_T = 0.2-8.0…

核实验 · 物理学 2010-05-12 PHENIX Collaboration , A. Afanasiev

Cumulants of event-by-event net-strangeness distributions in Au+Au collisions at $\sqrt{s_\mathrm{NN}}$=7.7-200 GeV from UrQMD model

Fluctuations of conserved quantities, such as baryon, electric charge and strangeness number, are sensitive observables in heavy-ion collisions to search for the QCD phase transition and critical point. In this paper, we performed a…

核实验 · 物理学 2017-07-17 Chang Zhou , Ji Xu , Xiaofeng Luo , Feng Liu

Event by Event Net Charge Fluctuations

We present analyses of event-by-event dynamical net charge fluctuations measured in 130 and 200 GeV Au Au collisions with the STAR detector. The dynamical net charge fluctuations are evaluated using the $\nu_{+-,dyn}$ observable. Dynamical…

核实验 · 物理学 2010-01-05 Claude A. Pruneau

Correlations of event activity with hard and soft processes in $p$ + Au collisions at $\sqrt{s_\mathrm{NN}}$ = 200 GeV at STAR

With the STAR experiment at the BNL Relativisic Heavy Ion Collider, we characterize $\sqrt{s_\mathrm{NN}}$ = 200 GeV p+Au collisions by event activity (EA) measured within the pseudorapidity range $eta$ $in$ [-5, -3.4] in the Au-going…

核实验 · 物理学 2024-10-23 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 , Z. Chen , J. Cheng , Y. Cheng , W. Christie , X. Chu , H. J. Crawford , M. Csanád , G. Dale-Gau , A. Das , I. M. Deppner , 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 , 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 , S. Margetis , 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 , 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 , 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

Propagation of Fluctuations in Au+Au Collisions at FAIR energy

Event by event fluctuations of particle multiplicities and their ratios are considered to be sensitive probes to the exotic phenomena in high energy heavy ion collisions like phase transtion or the occurence of critical point. These…

高能物理 - 唯象学 · 物理学 2014-08-22 S. Ahmad , M. Farooq , S. Bashir , H. jahan , N. Ahmad , S. Chattopadhyay

Constraining the Particle Production Mechanism in Au+Au Collisions at $\sqrt{s_{NN}}=$ 7.7, 27, and 200 GeV Using A Multi Phase Transport Model

We study the production of pions, kaons, and (anti)protons in A Multi Phase Transport (AMPT) Model in Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7, 27, and 200 GeV. We present the centrality and energy dependence of various bulk observables…

高能物理 - 唯象学 · 物理学 2020-08-24 Abhirikshma Nandi , Lokesh Kumar , Natasha Sharma

Non-Monotonicity of Transverse Momentum Correlations in Au + Au Collisions at RHIC

Event-by-event transverse momentum correlations are sensitive to the equation of state of strongly interacting matter and are expected to exhibit anomalous fluctuations in the vicinity of the QCD critical point. We report the first…

核实验 · 物理学 2026-04-09 STAR Collaboration

Collision Energy Dependence of $p_{\rm t}$ Correlations in Au+Au Collisions at RHIC

We present two-particle $p_{\rm t}$ correlations as a function of event centrality for Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV at the Relativistic Heavy Ion Collider using the STAR…

核实验 · 物理学 2019-05-01 STAR Collaboration , J. Adam , L. Adamczyk , J. R. Adams , J. K. Adkins , G. Agakishiev , M. M. Aggarwal , Z. Ahammed , I. Alekseev , D. M. Anderson , R. Aoyama , A. Aparin , D. Arkhipkin , E. C. Aschenauer , M. U. Ashraf , F. Atetalla , A. Attri , G. S. Averichev , V. Bairathi , K. Barish , A. J. Bassill , A. Behera , R. Bellwied , A. Bhasin , A. K. Bhati , J. Bielcik , J. Bielcikova , L. C. Bland , I. G. Bordyuzhin , J. D. Brandenburg , A. V. Brandin , J. Bryslawskyj , I. Bunzarov , J. Butterworth , H. Caines , M. Calderón de la Barca Sánchez , D. Cebra , I. Chakaberia , P. Chaloupka , B. K. Chan , F-H. Chang , Z. Chang , N. Chankova-Bunzarova , A. Chatterjee , S. Chattopadhyay , J. H. Chen , X. Chen , J. Cheng , M. Cherney , W. Christie , H. J. Crawford , M. Csanad , S. Das , T. G. Dedovich , I. M. Deppner , A. A. Derevschikov , L. Didenko , C. Dilks , X. Dong , J. L. Drachenberg , J. C. Dunlop , T. Edmonds , N. Elsey , J. Engelage , G. Eppley , R. Esha , S. Esumi , O. Evdokimov , J. Ewigleben , O. Eyser , R. Fatemi , S. Fazio , P. Federic , J. Fedorisin , Y. Feng , P. Filip , E. Finch , Y. Fisyak , L. Fulek , C. A. Gagliardi , T. Galatyuk , F. Geurts , A. Gibson , D. Grosnick , A. Gupta , W. Guryn , A. I. Hamad , A. Hamed , J. W. Harris , L. He , S. Heppelmann , S. Heppelmann , N. Herrmann , L. Holub , Y. Hong , S. Horvat , B. Huang , H. Z. Huang , S. L. Huang , T. Huang , X. Huang , T. J. Humanic , P. Huo , G. Igo , W. W. Jacobs , A. Jentsch , J. Jia , K. Jiang , S. Jowzaee , X. Ju , E. G. Judd , S. Kabana , S. Kagamaster , D. Kalinkin , K. Kang , D. Kapukchyan , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , M. Kelsey , D. P. Kikoła , C. Kim , T. A. Kinghorn , I. Kisel , A. Kisiel , M. Kocan , L. Kochenda , L. K. Kosarzewski , L. Kramarik , P. Kravtsov , K. Krueger , N. Kulathunga Mudiyanselage , L. Kumar , R. Kunnawalkam Elayavalli , J. H. Kwasizur , R. Lacey , J. M. Landgraf , J. Lauret , A. Lebedev , R. Lednicky , J. H. Lee , C. Li , W. Li , W. Li , X. Li , Y. Li , Y. Liang , R. Licenik , T. Lin , A. Lipiec , M. A. Lisa , F. Liu , H. Liu , P. Liu , P. Liu , X. Liu , Y. Liu , Z. Liu , T. Ljubicic , W. J. Llope , M. Lomnitz , R. S. Longacre , S. Luo , X. Luo , G. L. Ma , L. Ma , R. Ma , Y. G. Ma , N. Magdy , R. Majka , D. Mallick , S. Margetis , C. Markert , H. S. Matis , O. Matonoha , J. A. Mazer , K. Meehan , J. C. Mei , N. G. Minaev , S. Mioduszewski , D. Mishra , B. Mohanty , M. M. Mondal , I. Mooney , Z. Moravcova , D. A. Morozov , Md. Nasim , K. Nayak , J. M. Nelson , D. B. Nemes , M. Nie , G. Nigmatkulov , T. Niida , L. V. Nogach , T. Nonaka , G. Odyniec , A. Ogawa , K. Oh , S. Oh , V. A. Okorokov , B. S. Page , R. Pak , Y. Panebratsev , B. Pawlik , H. Pei , C. Perkins , R. L. Pinter , J. Pluta , J. Porter , M. Posik , N. K. Pruthi , M. Przybycien , J. Putschke , A. Quintero , S. K. Radhakrishnan , S. Ramachandran , R. L. Ray , R. Reed , H. G. Ritter , J. B. Roberts , O. V. Rogachevskiy , J. L. Romero , L. Ruan , J. Rusnak , O. Rusnakova , N. R. Sahoo , P. K. Sahu , S. Salur , J. Sandweiss , J. Schambach , W. B. Schmidke , N. Schmitz , B. R. Schweid , F. Seck , J. Seger , M. Sergeeva , R. Seto , P. Seyboth , N. Shah , E. Shahaliev , P. V. Shanmuganathan , M. Shao , F. Shen , W. Q. Shen , S. S. Shi , Q. Y. Shou , E. P. Sichtermann , S. Siejka , R. Sikora , M. Simko , J Singh , S. Singha , D. Smirnov , N. Smirnov , W. Solyst , P. Sorensen , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , D. J. Stewart , M. Strikhanov , B. Stringfellow , A. A. P. Suaide , T. Sugiura , M. Sumbera , B. Summa , X. M. Sun , Y. Sun , Y. Sun , B. Surrow , D. N. Svirida , P. Szymanski , A. H. Tang , Z. Tang , A. Taranenko , T. Tarnowsky , J. H. Thomas , A. R. Timmins , T. Todoroki , M. Tokarev , C. A. Tomkiel , S. Trentalange , R. E. Tribble , P. Tribedy , S. K. Tripathy , O. D. Tsai , B. Tu , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , J. Vanek , A. N. Vasiliev , I. Vassiliev , F. Videbæk , S. Vokal , S. A. Voloshin , F. Wang , G. Wang , P. Wang , Y. Wang , Y. Wang , J. C. Webb , L. Wen , G. D. Westfall , H. Wieman , S. W. Wissink , R. Witt , Y. Wu , Z. G. Xiao , G. Xie , W. Xie , H. Xu , N. Xu , Q. H. Xu , Y. F. Xu , Z. Xu , C. Yang , Q. Yang , S. Yang , Y. Yang , Z. Ye , Z. Ye , L. Yi , K. Yip , I. -K. Yoo , H. Zbroszczyk , W. Zha , D. Zhang , L. Zhang , S. Zhang , S. Zhang , X. P. Zhang , Y. Zhang , Z. Zhang , J. Zhao , C. Zhong , C. Zhou , X. Zhu , Z. Zhu , M. K. Zurek , M. Zyzak

Net-charge particle ratio fluctuations in $pp$ collisions at several LHC energies

Event-by-event particle ratio fluctuations for simulated data sets of three different models named UrQMD, AMPT, and Pythia are studied using the fluctuation variable $\nu_{dyn}$. The simulated data sets produced in $pp$ collisions at four…

高能物理 - 唯象学 · 物理学 2023-11-01 Subhadeep Paul , Tumpa Biswas , Dipak Ghosh , Mehedi Kalam , Prabir Kr. Halder

Hadron Correlations and Fluctuations in 40, 80, and 158 AGeV/c Pb-Au Collisions

Measurements of HBT correlations and event-by-event fluctuations of mean pT and the net charge in Pb-Au collisions at 40, 80, and 158 AGeV/c are presented. From comparisons of HBT radii measured from AGS to RHIC energies, a universal mean…

核实验 · 物理学 2007-05-23 Hiroyuki Sako

The eccentricities of flow - elliptic flow fluctuations and evidence for transverse localization in the initial state of the matter in relativistic heavy ion collisions

Recent measurements of event-by-event elliptic flow in Au+Au collisions at sqrt(sNN) = 200 GeV exhibit large relative fluctuations of about 40~50%. The data are well described by fluctuations in the shape of the initial collision region, as…

核实验 · 物理学 2007-05-23 Steven Manly