Related papers: Net-proton probability distribution in heavy ion c…

Search for the QCD Critical Point with Fluctuations of Conserved Quantities in Relativistic Heavy-Ion Collisions at RHIC : An Overview

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

Nuclear Experiment · Physics 2018-01-10 Xiaofeng Luo , Nu Xu

Identified particle correlation studies in central Au + Au collisions at sqrt(S)= 200 GeV

We present correlations between strange baryons and mesons with charged hadrons in AuAu and pp collisions at sqrt(s)=200 GeV for different pT ranges and centralities. We observe that for central AuAu collisions, the large width of the back…

Nuclear Experiment · Physics 2014-11-18 Ying Guo

Proton and neutron density distributions at supranormal density in low- and medium-energy heavy-ion collisions

We report results of the first systematic simulation of proton and neutron density distributions in central heavy-ion collisions within the beam energy range of $ E_{\rm beam} \leq 800 \, \text{MeV/nucl}$ using pBUU and TDHF models. The…

Nuclear Theory · Physics 2017-07-26 J. R. Stone , P. Danielewicz , Y. Iwata

QCD Critical Point and High Baryon Density Matter

We report the latest results on the search for the QCD critical point in the QCD phase diagram through high energy heavy-ion collisions. The measurements discussed are based on the higher moments of the net-proton multiplicity distributions…

Nuclear Experiment · Physics 2021-01-25 Bedangadas Mohanty , Nu Xu

Parton Momentum Distribution at the Moment of Jet-Parton Collision

We extract the early parton momentum distribution using the STAR Collaboration data of ridge particles associated with a near-side jet in central AuAu collisions at \sqrt{s_{NN}}=200 GeV. The ridge particles are identified as medium partons…

High Energy Physics - Phenomenology · Physics 2008-11-04 Cheuk-Yin Wong

Neutron density fluctuation and neutron-proton correlation from AMPT model

Using the multiphase transport (AMPT) model, we study the relative neutron density fluctuation and neutron-proton correlation in matter produced by Au+Au collisions at $\sqrt{s_\text{NN}} = $7.7-200 GeV. The rapidity, centrality, and energy…

Nuclear Theory · Physics 2022-12-13 Zuman Zhang , Ning Yu , Hongge Xu

Beam Energy Dependence of Fifth and Sixth-Order Net-proton Number Fluctuations in Au+Au Collisions at RHIC

We report the beam energy and collision centrality dependence of fifth and sixth order cumulants ($C_{5}$, $C_{6}$) and factorial cumulants ($\kappa_{5}$, $\kappa_{6}$) of net-proton and proton distributions, from $\sqrt{s_{NN}} = 3 - 200$…

Nuclear Experiment · Physics 2023-02-28 STAR Collaboration , B. E. Aboona , J. Adam , L. Adamczyk , J. R. Adams , I. Aggarwal , M. M. Aggarwal , Z. Ahammed , D. M. Anderson , E. C. Aschenauer , J. Atchison , V. Bairathi , W. Baker , J. G. Ball Cap , K. Barish , R. Bellwied , P. Bhagat , A. Bhasin , S. Bhatta , J. Bielcik , J. Bielcikova , J. D. Brandenburg , X. Z. Cai , H. Caines , M. Calderón de la Barca Sánchez , D. Cebra , J. Ceska , I. Chakaberia , P. Chaloupka , B. K. Chan , Z. Chang , D. Chen , J. Chen , J. H. Chen , Z. Chen , J. Cheng , Y. Cheng , S. Choudhury , W. Christie , X. Chu , H. J. Crawford , M. Csanád , G. Dale-Gau , A. Das , M. Daugherity , I. M. Deppner , 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 , C. A. Gagliardi , T. Galatyuk , 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 , W. He , X. H. He , Y. He , S. Heppelmann , N. Herrmann , L. Holub , 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 , A. Jentsch , Y. Ji , J. Jia , C. Jin , X. Ju , E. G. Judd , S. Kabana , M. L. Kabir , S. Kagamaster , D. Kalinkin , K. Kang , D. Kapukchyan , K. Kauder , H. W. Ke , D. Keane , M. Kelsey , Y. V. Khyzhniak , D. P. Kikoła , B. Kimelman , D. Kincses , I. Kisel , A. Kiselev , A. G. Knospe , H. S. Ko , L. K. Kosarzewski , L. Kramarik , L. Kumar , S. Kumar , R. Kunnawalkam Elayavalli , R. Lacey , J. M. Landgraf , J. Lauret , A. Lebedev , J. H. Lee , Y. H. Leung , N. Lewis , C. Li , C. Li , W. Li , X. Li , Y. Li , Y. Li , Z. Li , X. Liang , Y. Liang , R. Licenik , T. Lin , M. A. Lisa , 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. Loyd , T. Lu , N. S. Lukow , X. F. Luo , L. Ma , R. Ma , Y. G. Ma , N. Magdy , D. Mallick , S. Margetis , C. Markert , H. S. Matis , J. A. Mazer , G. McNamara , K. Mi , S. Mioduszewski , B. Mohanty , I. Mooney , A. Mukherjee , M. I. Nagy , A. S. Nain , J. D. Nam , Md. Nasim , D. Neff , J. M. Nelson , D. B. Nemes , M. Nie , T. Niida , R. Nishitani , T. Nonaka , A. S. Nunes , G. Odyniec , A. Ogawa , S. Oh , K. Okubo , B. S. Page , R. Pak , J. Pan , A. Pandav , A. K. Pandey , T. Pani , A. Paul , B. Pawlik , D. Pawlowska , C. Perkins , J. Pluta , B. R. Pokhrel , M. Posik , T. Protzman , V. Prozorova , N. K. Pruthi , M. Przybycien , J. Putschke , Z. Qin , H. Qiu , A. Quintero , C. Racz , S. K. Radhakrishnan , N. Raha , R. L. Ray , R. Reed , H. G. Ritter , C. W. Robertson , M. Robotkova , J. L. Romero , M. A. Rosales Aguilar , D. Roy , P. Roy Chowdhury , L. Ruan , A. K. Sahoo , N. R. Sahoo , H. Sako , S. Salur , S. Sato , W. B. Schmidke , N. Schmitz , F-J. Seck , J. Seger , R. Seto , P. Seyboth , N. Shah , P. V. Shanmuganathan , M. Shao , 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 , N. Smirnov , Y. Söhngen , Y. Song , B. Srivastava , T. D. S. Stanislaus , M. Stefaniak , D. J. Stewart , B. Stringfellow , Y. Su , A. A. P. Suaide , M. Sumbera , C. Sun , X. Sun , Y. Sun , Y. Sun , B. Surrow , Z. W. Sweger , P. Szymanski , A. Tamis , A. H. Tang , Z. Tang , T. Tarnowsky , J. H. Thomas , A. R. Timmins , D. Tlusty , T. Todoroki , C. A. Tomkiel , S. Trentalange , R. E. Tribble , P. Tribedy , T. Truhlar , B. A. Trzeciak , O. D. Tsai , C. Y. Tsang , Z. Tu , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , J. Vanek , I. Vassiliev , V. Verkest , F. Videbæk , 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 , D. Wielanek , H. Wieman , G. Wilks , S. W. Wissink , R. Witt , J. Wu , J. Wu , X. Wu , Y. Wu , B. Xi , Z. G. Xiao , 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 , Y. Yu , H. Zbroszczyk , 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

Higher Moments of Net-proton Multiplicity Distributions at RHIC

We report the first measurements of the kurtosis (\kappa), skewness (S) and variance (\sigma^2) of net-proton multiplicity (N_p - N_pbar) distributions at midrapidity for Au+Au collisions at \sqrt(s_NN) = 19.6, 62.4, and 200 GeV…

Nuclear Experiment · Physics 2012-08-27 M. M. Aggarwal , Z. Ahammed , A. V. Alakhverdyants , I. Alekseev , J. Alford , B. D. Anderson , D. Arkhipkin , G. S. Averichev , J. Balewski , L. S. Barnby , S. Baumgart , D. R. Beavis , R. Bellwied , M. J. Betancourt , R. R. Betts , A. Bhasin , A. K. Bhati , H. Bichsel , J. Bielcik , J. Bielcikova , B. Biritz , L. C. Bland , 3 B. E. Bonner , J. Bouchet , E. Braidot , A. V. Brandin , A. Bridgeman , E. Bruna , S. Bueltmann , I. Bunzarov , T. P. Burton , X. Z. Cai , H. Caines , M. Calderón de la Barca Sánchez , O. Catu , D. Cebra , R. Cendejas , M. C. Cervantes , Z. Chajecki , P. Chaloupka , S. Chattopadhyay , H. F. Chen , J. H. Chen , J. Y. Chen , J. Cheng , M. Cherney , A. Chikanian , K. E. Choi , W. Christie , P. Chung , R. F. Clarke , M. J. M. Codrington , R. Corliss , J. G. Cramer , H. J. Crawford , D. Das , S. Dash , A. Davila Leyva , L. C. De Silva , R. R. Debbe , T. G. Dedovich , A. A. Derevschikov , R. Derradi de Souza , L. Didenko , P. Djawotho , S. M. Dogra , X. Dong , J. L. Drachenberg , J. E. Draper , J. C. Dunlop , M. R. Dutta Mazumdar , L. G. Efimov , E. Elhalhuli , M. Elnimr , J. Engelage , G. Eppley , B. Erazmus , M. Estienne , L. Eun , O. Evdokimov , P. Fachini , R. Fatemi , J. Fedorisin , R. G. Fersch , P. Filip , E. Finch , V. Fine , Y. Fisyak , C. A. Gagliardi , D. R. Gangadharan , M. S. Ganti , E. J. Garcia-Solis , A. Geromitsos , F. Geurts , V. Ghazikhanian , P. Ghosh , Y. N. Gorbunov , A. Gordon , O. Grebenyuk , D. Grosnick , S. M. Guertin , A. Gupta , N. Gupta , W. Guryn , B. Haag , A. Hamed , L-X. Han , J. W. Harris , J. P. Hays-Wehle , M. Heinz , S. Heppelmann , A. Hirsch , E. Hjort , A. M. Hoffman , G. W. Hoffmann , D. J. Hofman , B. Huang , H. Z. Huang , T. J. Humanic , L. Huo , G. Igo , P. Jacobs , W. W. Jacobs , C. Jena , F. Jin , C. L. Jones , P. G. Jones , J. Joseph , E. G. Judd , S. Kabana , K. Kajimoto , K. Kang , J. Kapitan , K. Kauder , D. Keane , A. Kechechyan , D. Kettler , D. P. Kikola , J. Kiryluk , A. Kisiel , S. R. Klein , A. G. Knospe , A. Kocoloski , D. D. Koetke , T. Kollegger , J. Konzer , I. Koralt , L. Koroleva , W. Korsch , L. Kotchenda , V. Kouchpil , P. Kravtsov , K. Krueger , M. Krus , L. Kumar , P. Kurnadi , M. A. C. Lamont , J. M. Landgraf , S. LaPointe , J. Lauret , A. Lebedev , R. Lednicky , C-H. Lee , J. H. Lee , W. Leight , M. J. LeVine , C. Li , L. Li , N. Li , W. Li , X. Li , X. Li , Y. Li , Z. M. Li , G. Lin , S. J. Lindenbaum , M. A. Lisa , F. Liu , H. Liu , J. Liu , T. Ljubicic , W. J. Llope , R. S. Longacre , W. A. Love , Y. Lu , E. V. Lukashov , X. Luo , G. L. Ma , Y. G. Ma , D. P. Mahapatra , R. Majka , O. I. Mall , L. K. Mangotra , R. Manweiler , S. Margetis , C. Markert , H. Masui , H. S. Matis , Yu. A. Matulenko , D. McDonald , T. S. McShane , A. Meschanin , R. Milner , N. G. Minaev , S. Mioduszewski , A. Mischke , M. K. Mitrovski , B. Mohanty , M. M. Mondal. B. Morozov , D. A. Morozov , M. G. Munhoz , B. K. Nandi , C. Nattrass , T. K. Nayak , J. M. Nelson , P. K. Netrakanti , M. J. Ng , L. V. Nogach , S. B. Nurushev , G. Odyniec , A. Ogawa , V. Okorokov , E. W. Oldag , D. Olson , M. Pachr , B. S. Page , S. K. Pal , Y. Pandit , Y. Panebratsev , T. Pawlak , T. Peitzmann , V. Perevoztchikov , C. Perkins , W. Peryt , S. C. Phatak , P. Pile , M. Planinic , M. A. Ploskon , J. Pluta , D. Plyku , N. Poljak , A. M. Poskanzer , B. V. K. S. Potukuchi , C. B. Powell , D. Prindle , C. Pruneau , N. K. Pruthi , P. R. Pujahari , J. Putschke , H. Qiu , R. Raniwala , S. Raniwala , R. L. Ray , R. Redwine , R. Reed , H. G. Ritter , J. B. Roberts , O. V. Rogachevsky , J. L. Romero , A. Rose , C. Roy , L. Ruan , R. Sahoo , S. Sakai , I. Sakrejda , T. Sakuma , S. Salur , J. Sandweiss , E. Sangaline , J. Schambach , R. P. Scharenberg , N. Schmitz , T. R. Schuster , J. Seele , J. Seger , I. Selyuzhenkov , P. Seyboth , E. Shahaliev , M. Shao , M. Sharma , S. S. Shi , E. P. Sichtermann , F. Simon , R. N. Singaraju , M. J. Skoby , N. Smirnov , P. Sorensen , J. Sowinski , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , D. Staszak , J. R. Stevens , R. Stock , M. Strikhanov , B. Stringfellow , A. A. P. Suaide , M. C. Suarez , N. L. Subba , M. Sumbera , X. M. Sun , Y. Sun , Z. Sun , B. Surrow , D. N. Svirida , T. J. M. Symons , A. Szanto de Toledo , J. Takahashi , A. H. Tang , Z. Tang , L. H. Tarini , T. Tarnowsky , D. Thein , J. H. Thomas , J. Tian , A. R. Timmins , S. Timoshenko , D. Tlusty , M. Tokarev , V. N. Tram , S. Trentalange , R. E. Tribble , O. D. Tsai , J. Ulery , T. Ullrich , D. G. Underwood , G. Van Buren , M. van Leeuwen , G. van Nieuwenhuizen , J. A. Vanfossen, , R. Varma , G. M. S. Vasconcelos , A. N. Vasiliev , F. Videbaek , Y. P. Viyogi , S. Vokal , S. A. Voloshin , M. Wada , M. Walker , F. Wang , G. Wang , H. Wang , J. S. Wang , Q. Wang , X. L. Wang , Y. Wang , G. Webb , J. C. Webb , G. D. Westfall , C. Whitten , H. Wieman , S. W. Wissink , R. Witt , Y. F. Wu , W. Xie , H. Xu , N. Xu , Q. H. Xu , W. Xu , Y. Xu , Z. Xu , L. Xue , Y. Yang , P. Yepes , K. Yip , I-K. Yoo , Q. Yue , M. Zawisza , H. Zbroszczyk , W. Zhan , J. B. Zhang , S. Zhang , W. M. Zhang , X. P. Zhang , Y. Zhang , Z. P. Zhang , J. Zhao , C. Zhong , J. Zhou , W. Zhou , X. Zhu , Y. H. Zhu , R. Zoulkarneev , Y. Zoulkarneeva

Off-diagonal cumulants of net-charge, net-proton and net-kaon multiplicity distributions in Au+Au collisions at $\sqrt{s_{NN}}$ = 7.7-200 GeV from STAR

Fluctuations of conserved quantities such as net-baryon, net-charge, and net-strangeness numbers have generated considerable interest in the study of the thermodynamic properties of the hot and dense QCD matter. Theoretical calculations…

High Energy Physics - Experiment · Physics 2021-09-14 Arghya Chatterjee

Calculations of direct photon emission in Heavy Ion Collisions at \sqrt{s_NN} = 200 GeV

Direct photon emission in heavy-ion collisions is calculated within a relativistic micro+macro hybrid model and compared to the microscopic transport model UrQMD. In the hybrid approach, the high-density part of the collision is calculated…

Nuclear Theory · Physics 2011-11-10 Bjoern Baeuchle , Marcus Bleicher

Diffusion or bounce back in relativistic heavy-ion collisions?

The time evolution of pseudorapidity distributions of produced charged hadrons in d+Au collisions at sqrt(s_NN) = 200 GeV is investigated. Results of a nonequilibrium-statistical Relativistic Diffusion Model with three sources are compared…

High Energy Physics - Phenomenology · Physics 2008-11-26 Georg Wolschin , Minoru Biyajima , Takuya Mizoguchi

Jet-hadron correlations in STAR

Advancements in full jet reconstruction have made it possible to use jets as triggers in azimuthal angular correlations to study the modification of hard-scattered partons in the medium created in ultrarelativistic heavy-ion collisions.…

Nuclear Experiment · Physics 2019-08-13 Alice Ohlson

Identified particles at large transverse momenta in STAR in Au+Au collisions @ sqrt(s_NN) = 200 GeV

We report measurements of the ratios of identified hadrons (pi,K,p,Lambda) in Au+Au collisions at sqrt(s_NN) = 200 GeV as a function of both collision centrality and transverse momentum (p_T). Ratios of anti-baryon to baryon yields are…

Nuclear Experiment · Physics 2009-11-10 M. A. C. Lamont

Possible origin of HADES data on proton number fluctuations in Au+Au collisions

Recent data of the HADES Collaboration in Au+Au central collisions at $\sqrt{s_{\rm NN}}=2.4$ GeV indicate large proton number fluctuations inside one unit of rapidity around midrapidity. This can be a signature of critical phenomena due to…

High Energy Physics - Phenomenology · Physics 2022-11-09 O. Savchuk , R. V. Poberezhnyuk , M. I. Gorenstein

Higher-order Proton Cumulants in Au+Au Collisions at $\sqrt{s_{\rm NN}}$ = 3 GeV from RHIC-STAR

In these proceedings, we present the higher-order cumulants of proton multiplicity distributions of the fixed-target (FXT) run in Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 3.0 GeV. The cumulant ratios are presented as a function of…

Nuclear Experiment · Physics 2022-08-12 Yu Zhang

STAR's measurement of Long-range forward-backward multiplicity correlations as the signature of "dense partonic matter" in the Heavy Ion collisions at $\sqrt{s_{NN}}=$200 GeV.}

Forward-backward multiplicity correlations have been measured with the STAR detector for Au+Au, Cu+Cu and {\it p+p} collisions at $\sqrt{s_{NN}}$ = 200 GeV. A strong, long-range correlation is observed for central heavy ion collisions that…

Nuclear Experiment · Physics 2019-08-13 Brijesh K Srivastava

Identified high pT particle correlation studies in central Au + Au collisions at sqrt(s) = 200 GeV

We present azimuthal two particle correlations of high pt strange baryons and mesons with charged hadrons in Au+Au collisions at sqrt(s) =200 A GeV. We observe the suppression of the back to back correlations similar to the previous…

High Energy Physics - Experiment · Physics 2007-05-23 Ying Guo

Higher Moments of Net-Kaon Multiplicity Distributions at STAR

Fluctuations of conserved quantities such as baryon number (B), electric charge number (Q), and strangeness number (S), are sensitive to the correlation length and can be used to probe non-gaussian fluctuations near the critical point.…

High Energy Physics - Experiment · Physics 2017-03-08 Ji Xu

Precision Measurements of Kinematic Scan for Fluctuations of (Net-)proton Multiplicity Distributions in Au+Au Collisions from RHIC-STAR

This work presents measurements of the rapidity-window dependence of event-by-event net-proton cumulants and proton factorial cumulants in Au+Au collisions at $\sqrt{s_\mathrm{NN}}=$7.7 -- 27 GeV, using high-statistics data from RHIC…

Nuclear Experiment · Physics 2025-12-19 Yige Huang

Charge Fluctuation in Heavy Ion Collisions

Charge fluctuations observed in early fixed-target proton-proton experiments are consistent with string models. In central heavy ion events the picture can change in two ways: strings can interact and find new ways to hadronize or they can…

High Energy Physics - Phenomenology · Physics 2017-08-23 Fritz W. Bopp , Johannes Ranft