Related papers: Comment on "Circumstantial Evidence for Critical B…

Measuring Dynamical K/$\pi$ and p/$\pi$ Fluctuations in Au+Au Collisions from the STAR Experiment

Results from new measurements of dynamical $K/\pi$ and $p/\pi$ ratio fluctuations are presented. Dynamical fluctuations in global conserved quantities such as baryon number, strangeness, or charge may be observed near a QCD critical point.…

Nuclear Experiment · Physics 2015-05-27 Terence Tarnowsky

Charge Separation Measurements in Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7--200 GeV in Search of the Chiral Magnetic Effect

The chiral magnetic effect in heavy-ion collisions predicts a charge separation signal along a magnetic field, which indicates local $P$ and $CP$ violations in the quark-gluon plasma. We report measurements of electric charge separation…

Nuclear Experiment · Physics 2025-06-03 The STAR Collaboration

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…

Nuclear Experiment · Physics 2026-04-09 STAR Collaboration

Ultra-peripheral Au+Au collisions at PHENIX

Ultra-peripheral collisions (UPC) of heavy-ions involve long range electromagnetic interactions at impact parameters twice larger than the nuclear radius, where no nucleon-nucleon collisions occur. The first measurement of photoproduction…

Nuclear Experiment · Physics 2019-08-13 Mate Csanad

Au+Au Reactions at the AGS: Experiments E866 and E917

Particle production and correlation functions from Au+Au reactions have been measured as a function of both beam energy (2-10.7AGeV) and impact parameter. These results are used to probe the dynamics of heavy-ion reactions, confront…

Nuclear Experiment · Physics 2019-08-14 C. A. Ogilvie

Locating the critical point for the hadron to quark-gluon plasma phase transition from finite-size scaling of proton cumulants in heavy-ion collisions

We perform a finite-size scaling analysis of net-proton number cumulants in Au+Au collisions at center-of-mass energies between $\sqrt{s_{\rm{NN}}} = 2.4$ GeV and 54.4 GeV to search for evidence of a critical point in the QCD phase diagram.…

Nuclear Theory · Physics 2024-05-20 Agnieszka Sorensen , Paul Sorensen

Event activity measurements and mid-rapidity correlations in 200 GeV p+Au collisions at STAR

These proceedings report preliminary measurements of correlations between mid-rapidity charged tracks and high-rapidity event activity (EA) at STAR for $\sqrt{s_\mathrm{NN}}= 200\, \mathrm{GeV}$ p+Au collisions taken in 2015. These…

High Energy Physics - Experiment · Physics 2025-08-27 David Stewart

Energy Dependence of $K\pi$, $p\pi$, and $Kp$ Fluctuations in Au+Au Collisions from $\rm \sqrt{s_{NN}}$ = 7.7 to 200 GeV

A search for the quantum chromodynamics (QCD) critical point was performed by the STAR experiment at the Relativistic Heavy Ion Collider, using dynamical fluctuations of unlike particle pairs. Heavy-ion collisions were studied over a large…

Nuclear Experiment · Physics 2015-08-26 STAR Collaboration , L. Adamczyk , J. K. Adkins , G. Agakishiev , M. M. Aggarwal , Z. Ahammed , I. Alekseev , J. Alford , A. Aparin , D. Arkhipkin , E. C. Aschenauer , G. S. Averichev , A. Banerjee , R. Bellwied , A. Bhasin , A. K. Bhati , P. Bhattarai , J. Bielcik , J. Bielcikova , L. C. Bland , I. G. Bordyuzhin , J. Bouchet , A. V. Brandin , I. Bunzarov , T. P. Burton , 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 , X. Chen , J. H. Chen , J. Cheng , M. Cherney , W. Christie , M. J. M. Codrington , 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 , 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 , 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 , E. G. Judd , S. Kabana , D. Kalinkin , K. Kang , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , Z. H. Khan , D. P. Kikola , I. Kisel , A. Kisiel , S. R. Klein , D. D. Koetke , T. Kollegger , L. K. Kosarzewski , L. Kotchenda , 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 , W. Li , Z. M. Li , C. Li , Y. Li , X. Li , X. Li , M. A. Lisa , F. Liu , T. Ljubicic , W. J. Llope , M. Lomnitz , R. S. Longacre , X. Luo , L. Ma , R. Ma , G. 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 , 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. L. Olvitt , B. S. Page , Y. X. Pan , Y. Pandit , Y. Panebratsev , T. Pawlak , B. Pawlik , H. Pei , C. Perkins , A. Peterson , P. Pile , M. Planinic , J. Pluta , N. Poljak , K. Poniatowska , J. Porter , A. M. Poskanzer , N. K. Pruthi , J. Putschke , H. Qiu , A. Quintero , S. Ramachandran , S. Raniwala , R. 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 , I. Sakrejda , S. Salur , A. Sandacz , 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 , M. K. Sharma , B. Sharma , W. Q. Shen , S. S. Shi , Q. Y. Shou , E. P. Sichtermann , R. Sikora , M. Simko , M. J. Skoby , D. Smirnov , N. Smirnov , D. Solanki , L. Song , P. Sorensen , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , R. Stock , M. Strikhanov , B. Stringfellow , M. Sumbera , B. J. Summa , Z. Sun , Y. Sun , X. M. Sun , X. Sun , B. Surrow , D. N. Svirida , M. A. Szelezniak , J. Takahashi , A. H. Tang , Z. Tang , T. Tarnowsky , A. N. Tawfik , J. H. Thomas , J. Tian , A. R. Timmins , D. Tlusty , 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 , Y. Wang , F. Wang , J. S. Wang , H. Wang , G. Wang , Y. Wang , J. C. Webb , G. Webb , L. Wen , G. D. Westfall , H. Wieman , S. W. Wissink , R. Witt , Y. F. Wu , Z. Xiao , W. Xie , K. Xin , N. Xu , H. Xu , Y. F. Xu , Q. H. Xu , Z. Xu , Y. Yang , S. Yang , C. Yang , Y. Yang , Q. Yang , Z. Ye , P. Yepes , L. Yi , K. Yip , I. -K. Yoo , N. Yu , H. Zbroszczyk , W. Zha , J. Zhang , Y. Zhang , S. Zhang , X. P. Zhang , J. B. Zhang , J. L. Zhang , Z. Zhang , F. Zhao , J. Zhao , C. Zhong , X. Zhu , Y. Zoulkarneeva , M. Zyzak

Results from the E917 experiment at the AGS

Collisions of Au+Au have been studied at beam kinetic energies of 6, 8, and 10.8 GeV/nucleon at the AGS facility at Brookhaven National Laboratory. Particles emitted from the collisions were momentum analyzed and identified in a magnetic…

Nuclear Experiment · Physics 2019-08-14 Birger B. Back

Centrality dependence of freeze-out parameters from Au+Au collisions at $\sqrt{s_{NN}}=$7.7, 11.5 and 39 GeV

The RHIC beam energy scan program in its first phase collected data for Au+Au collisions at beam energies of 7.7, 11.5 and 39 GeV. The event statistics collected at these lower energies allow us to study the centrality dependence of various…

Nuclear Experiment · Physics 2015-06-03 Lokesh Kumar

Hypertriton Production in Au+Au Collisions from STAR BES-II

Hypernuclei are bound states of nuclei with one or more hyperons. Precise measurements of hypernuclei properties and their production yields in heavy ion collisions are crucial for the understanding of their production mechanisms. The…

Nuclear Experiment · Physics 2026-05-05 Yuanjing Ji

Critical Behavior in Light Nuclear Systems: Experimental Aspects

An extensive experimental survey of the features of the disassembly of a small quasi-projectile system with $A \sim$ 36, produced in the reactions of 47 MeV/nucleon $^{40}$Ar + $^{27}$Al, $^{48}$Ti and $^{58}$Ni, has been carried out.…

Nuclear Experiment · Physics 2007-05-23 Y. G. Ma , J. B. Natowitz , R. Wada , K. Hagel , J. Wang , T. Keutgen , Z. Majka , M. Murray , L. Qin , P. Smith , R. Alfaro , J. Cibor , M. Cinausero , Y. El Masri , D. Fabris , E. Fioretto , A. Keksis , M. Lunardon , A. Makeev , N. Marie , E. Martin , A. Martinez-Davalos , A. Menchaca-Rocha , G. Nebbia , G. Prete , V. Rizzi , A. Ruangma , D. V. Shetty , G. Souliotis , P. Staszel , M. Veselsky , G. Viesti , E. M. Winchester , S. J. Yennello

Isospin diffusion in semi-peripheral $^{58}Ni$ + $^{197}Au$ collisions at intermediate energies (II): Dynamical simulations

We study isospin effects in semi-peripheral collisions above the Fermi energy by considering the symmetric $^{58}Ni$ + $^{58}Ni$ and the asymmetric reactions $^{58}Ni$ + $^{197}Au$ over the incident energy range 52-74 A MeV. A microscopic…

Nuclear Experiment · Physics 2009-07-09 E. Galichet , M. Colonna , B. Borderie , M. F. Rivet

Systematics of Stopping and Flow in Au+Au Collisions

Excitation functions of flow and stopping observables for the Au+Au system at energies from 40 to 1500 MeV per nucleon are presented. The systematics were obtained by merging the results of the INDRA and FOPI experiments, both performed at…

Nuclear Experiment · Physics 2009-11-11 A. Andronic , J. Lukasik , W. Reisdorf , W. Trautmann

Multiplicity and mean transverse momentum fluctuations in Au + Au collisions at RHIC

Strong modification of event-by-event fluctuations in global observables was proposed by several authors as an indicator of the phase transition in system evolution. We report the results of the analysis of STAR TPC data on the charged…

Nuclear Experiment · Physics 2019-08-14 Sergei A. Voloshin

Indications for a critical point in the phase diagram for hot and dense nuclear matter

Two-pion interferometry measurements are studied for a broad range of collision centralities in Au+Au (Root_s = 7.7 - 200 GeV) and Pb+Pb (Root_s = 2.76 TeV) collisions. They indicate non-monotonic excitation functions for the Gaussian…

Nuclear Experiment · Physics 2016-11-23 Roy A. Lacey

Multifragment production in Au+Au at 35 MeV/u

Multifragment disintegration has been measured with a high efficiency detection system for the reaction $Au + Au$ at $E/A = 35\ MeV$. From the event shape analysis and the comparison with the predictions of a many-body trajectories…

Nuclear Experiment · Physics 2011-09-12 M. D'Agostino , P. F. Mastinu , P. M. Milazzo , M. Bruno , D. R. Bowman , P. Buttazzo , L. Celano , N. Colonna , J. D. Dinius , A. Ferrero , M. L. Fiandri , C. K. Gelbke , T. Glasmacher , F. Gramegna , D. O. Handzy , D. Horn , W. C. Hsi , M. Huang , I. Iori , G. J. Kunde , M. A. Lisa , W. G. Lynch , L. Manduci , G. V. Margagliotti , C. P. Montoya , A. Moroni , G. F. Peaslee , F. Petruzzelli , L. Phair , R. Rui , C. Schwarz , M. B. Tsang , G. Vannini , C. Williams

Measurements of Dielectron Production in Au$+$Au Collisions at $\sqrt{s_{NN}}$= 27, 39, and 62.4 GeV from the STAR Experiment

We report systematic measurements of dielectron ($e^{\pm}e^{\pm}$) invariant-mass $M_{ee}$ spectra at mid-rapidity in Au+Au collisions at $\sqrt{s_{NN}}$ = 27, 39, and 62.4 GeV taken with the STAR detector at the Relativistic Heavy Ion…

Nuclear Experiment · Physics 2018-10-25 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 , X. Bai , 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 , D. Brown , 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 , G. Contin , 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 , L. G. Efimov , N. Elsey , J. Engelage , G. Eppley , R. Esha , S. Esumi , O. Evdokimov , J. Ewigleben , O. Eyser , R. Fatemi , S. Fazio , P. Federic , J. Fedorisin , P. Filip , E. Finch , Y. Fisyak , C. E. Flores , L. Fulek , C. A. Gagliardi , T. Galatyuk , F. Geurts , A. Gibson , D. Grosnick , D. S. Gunarathne , Y. Guo , A. Gupta , W. Guryn , A. I. Hamad , A. Hamed , A. Harlenderova , J. W. Harris , L. He , S. Heppelmann , S. Heppelmann , N. Herrmann , A. Hirsch , 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 , A. F. Kraishan , L. Kramarik , L. Krauth , P. Kravtsov , K. Krueger , N. Kulathunga , L. Kumar , R. Kunnawalkam Elayavalli , J. Kvapil , J. H. Kwasizur , R. Lacey , J. M. Landgraf , J. Lauret , A. Lebedev , R. Lednicky , J. H. Lee , C. Li , W. Li , X. Li , Y. Li , Y. Liang , R. Licenik , J. Lidrych , 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. D. Negrete , 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 , D. Olvitt , 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 , 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 , A. M. Schmah , 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 , B. Surrow , D. N. Svirida , P. Szymanski , A. H. Tang , Z. Tang , A. Taranenko , T. Tarnowsky , J. H. Thomas , A. R. Timmins , D. Tlusty , 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 , A. Vossen , 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 , J. 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 , J. 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

Beam energy and centrality dependence of the statistical moments of the net-charge and net-kaon multiplicity distributions in Au+Au collisions at STAR

In part to search for a possible critical point (CP) in the phase diagram of hot nuclear matter, a Beam Energy Scan was performed at the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory. The STAR experiment collected…

Nuclear Experiment · Physics 2019-08-13 Daniel McDonald

The Proton-$\Omega$ correlation function in Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV

We present the first measurement of the proton-$\Omega$ correlation function in heavy-ion collisions for central (0-40$\%$) and peripheral (40-80$\%$) Au+Au collisions at \sqrtsNN\,\,=200 GeV by the STAR experiment at the Relativistic…

High Energy Physics - Experiment · Physics 2018-08-09 The STAR Collaboration