Related papers: First Results from Photon Multiplicity Detector at…

Pseudorapidity distribution of charged hadrons in proton-proton collisions at sqrt(s) = 13 TeV

The pseudorapidity distribution of charged hadrons in pp collisions at sqrt(s) =13 TeV is measured using a data sample obtained with the CMS detector, operated at zero magnetic field, at the CERN LHC. The yield of primary charged long-lived…

High Energy Physics - Experiment · Physics 2015-11-12 CMS Collaboration

A Theoretic Review of Centrality-Dependent Direct Photon pt spectra in Au+Au Collisions at 200 GeV

The recently published PHENIX data of direct photons at low pt from Au+Au collisions at the BNL relativestic Heavy Ion Collider (RHIC) energy 200 GeV have attracted a lot of theoretic interest. Here I review our theoretical calculation…

Nuclear Theory · Physics 2011-09-08 Fu-Ming Liu

Higher-Order Cumulants and Correlation Functions of Proton Multiplicity Distributions in $\sqrt{s_{\mathrm{NN}}}$ = 3 GeV Au+Au Collisions at the RHIC STAR Experiment

We report a measurement of cumulants and correlation functions of event-by-event proton multiplicity distributions from fixed-target Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 3 GeV measured by the STAR experiment. Protons are identified…

Nuclear Experiment · Physics 2023-02-24 STAR Collaboration , M. S. Abdallah , B. E. Aboona , J. Adam , L. Adamczyk , J. R. Adams , J. K. Adkins , 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 , I. Chakaberia , P. Chaloupka , B. K. Chan , Z. Chang , A. Chatterjee , D. Chen , J. Chen , J. H. Chen , X. Chen , Z. Chen , J. Cheng , Y. Cheng , S. Choudhury , W. Christie , X. Chu , H. J. Crawford , M. Csanád , 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 , F. M. Fawzi , S. Fazio , C. J. Feng , Y. Feng , E. Finch , Y. Fisyak , A. Francisco , 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 , S. He , W. He , X. H. He , Y. He , S. Heppelmann , N. Herrmann , E. Hoffman , L. Holub , C. Hu , Q. Hu , Y. Hu , H. Huang , H. Z. Huang , S. L. Huang , T. Huang , X. Huang , Y. Huang , T. J. Humanic , D. Isenhower , M. Isshiki , W. W. Jacobs , C. Jena , A. Jentsch , Y. Ji , J. Jia , K. Jiang , 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 , J. H. Kwasizur , R. Lacey , S. Lan , J. M. Landgraf , J. Lauret , A. Lebedev , J. H. Lee , Y. H. Leung , N. Lewis , C. Li , C. Li , W. Li , W. Li , X. Li , Y. Li , Y. Li , Z. Li , X. Liang , Y. Liang , R. Licenik , T. Lin , Y. Lin , M. A. Lisa , F. Liu , H. Liu , H. Liu , T. Liu , X. Liu , Y. Liu , T. Ljubicic , W. J. Llope , 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 , S. Mioduszewski , B. Mohanty , M. M. Mondal , I. Mooney , A. Mukherjee , M. I. Nagy , A. S. Nain , J. D. Nam , Md. Nasim , K. Nayak , 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 , J. Porter , 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 , M. Robotkova , J. L. Romero , 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 , R. Sharma , A. I. Sheikh , D. Y. Shen , K. Shen , S. S. Shi , Y. Shi , Q. Y. Shou , E. P. Sichtermann , R. Sikora , J. Singh , S. Singha , P. Sinha , M. J. Skoby , N. Smirnov , Y. Söhngen , W. Solyst , Y. Song , B. Srivastava , T. D. S. Stanislaus , M. Stefaniak , D. J. Stewart , B. Stringfellow , A. A. P. Suaide , M. Sumbera , C. Sun , X. M. Sun , X. Sun , Y. Sun , Y. Sun , B. Surrow , Z. W. Sweger , P. Szymanski , 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 , S. K. Tripathy , 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 , P. Wang , X. Wang , Y. Wang , Y. Wang , Z. Wang , J. C. Webb , P. C. Weidenkaff , G. D. Westfall , D. Wielanek , H. Wieman , S. W. Wissink , R. Witt , 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 , 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 , S. Zhang , Y. Zhang , Y. Zhang , Y. Zhang , Z. J. Zhang , Z. Zhang , Z. Zhang , F. Zhao , J. Zhao , M. Zhao , C. Zhou , J. Zhou , Y. Zhou , X. Zhu , M. Zurek , M. Zyzak

Studies of multiplicity in relativistic heavy-ion collisions

In this talk I'll review the present status of charged particle multiplicity measurements from heavy-ion collisions. The characteristic features of multiplicity distributions obtained in Au+Au collisions will be discussed in terms of…

Nuclear Experiment · Physics 2009-11-10 B. B. Back

Charged-particle multiplicities in pp interactions measured with the ATLAS detector at the LHC

Measurements are presented from proton-proton collisions at centre-of-mass energies of sqrt(s) = 0.9, 2.36 and 7 TeV recorded with the ATLAS detector at the LHC. Events were collected using a single-arm minimum-bias trigger. The…

High Energy Physics - Experiment · Physics 2015-03-17 The ATLAS Collaboration

High-multiplicity pA collisions and the small-x effective action

I discuss the p_t distributions for high-multiplicity events originating from semi-classical variation of the gluon density of the proton.The multiplicity distribution measures the curvature of the effective action for the small-x gluon…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Dumitru

Energy dependence of elliptic flow over a large pseudorapidity range in Au+Au collisions at RHIC

This paper describes the measurement of the energy dependence of elliptic flow for charged particles in Au+Au collisions using the PHOBOS detector at the Relativistic Heavy Ion Collider (RHIC). Data taken at collision energies of…

Nuclear Experiment · Physics 2012-08-27 PHOBOS Collaboration

Charged-particle production in pp collisions at 13.6 TeV and Pb-Pb collisions at 5.36 TeV with ALICE

The first measurements of the charged-particle pseudorapidity density, ${\rm d}N_{\rm{ch}}/{\rm d}\eta$, in proton-proton (pp) collisions at $\sqrt{s} =$ 13.6 TeV and in lead-lead (Pb-Pb) collisions at $\sqrt{s_{\rm{NN}}} = $ 5.36 TeV are…

Nuclear Experiment · Physics 2025-06-19 Tulika Tripathy

Comparative study of charged multiplicities and moments in $pp$ collisions at $\sqrt{s}$=7 TeV in the forward region at the LHC

Charged particle multiplicities in proton-proton collisions measured in the LHCb detector at a centre-of-mass energy of $\sqrt s$=7 TeV in different windows of pseudorapidity $\eta$, in the forward region of the vertex detector are studied…

High Energy Physics - Experiment · Physics 2020-09-16 R. Aggarwal , M. Kaur

Pseudorapidity distributions of charged particles in pp($\rm\overline{p}$), p(d)A and AA collisions using Tsallis thermodynamics

The pseudorapidity distributions of charged particles measured in p+p($\rm \overline{p}$) collisions for energies ranging from $\sqrt{s_{NN}}=23.6$ GeV to 13 TeV, d+Au collisions at $\sqrt{s_{NN}}=200$ GeV, p+Pb collisions at…

Nuclear Theory · Physics 2021-09-09 J. Q. Tao , M. Wang , H. Zheng , W. C. Zhang , L. L. Zhu , A. Bonasera

Collision geometry scaling of Au+Au pseudorapidity density from sqrt(s_NN) = 19.6 to 200 GeV

The centrality dependence of the midrapidity charged particle multiplicity in Au+Au collisions at sqrt(s_NN) = 19.6 and 200 GeV is presented. Within a simple model, the fraction of hard (scaling with number of binary collisions) to soft…

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

Systematics of Charged Particle Production in Heavy-Ion Collisions with the PHOBOS Detector at RHIC

The multiplicity of charged particles produced in Au+Au collisions as a function of energy, centrality, rapidity and azimuthal angle has been measured with the PHOBOS detector at RHIC. These results contribute to our understanding of the…

High Energy Physics - Phenomenology · Physics 2017-08-23 Peter A. Steinberg

Directed flow in Au+Au collisions at $\sqrt{s_{_{NN}}}$ =62.4 GeV

We present the directed flow ($v_1$) measured in Au+Au collisions at $\sqrt{s_{_{NN}}}$ = 62.4 GeV in the mid-pseudorapidity region $|\eta|<1.3$ and in the forward pseudorapidity region $2.5 < |\eta| < 4.0$. The results are obtained using…

Nuclear Experiment · Physics 2008-11-26 STAR Collaboration , J. Adams

Direct photons measured by the PHENIX experiment at RHIC

Results from the PHENIX experiment at RHIC on direct photon production in p+p, d+Au, and Au+Au collisions at sqrt(s_NN) = 200 GeV are presented. In p+p collisions, direct photon production at high p_T behaves as expected from perturbative…

Nuclear Experiment · Physics 2019-08-14 Stefan Bathe

Measurement of Mutual Coulomb Dissociation in $\sqrt{s_{NN}}=130$ GeV Au+Au collisions at RHIC

We report on the first measurement of Mutual Coulomb Dissociation in heavy ion collisions. We employ forward calorimeters to measure neutron multiplicity at beam rapidity in peripheral collisions. The cross-section for simultaneous…

Nuclear Experiment · Physics 2008-11-26 Mickey Chiu , Alexei Denisov , Edmundo Garcia , Judith Katzy , Andrei Makeev , Michael Murray , Sebastian White

Kaon Production and Kaon to Pion Ratio in Au+Au Collisions at $\snn=130$ GeV

Mid-rapidity transverse mass spectra and multiplicity densities of charged and neutral kaons are reported for Au+Au collisions at $\snn$=130 GeV at RHIC. The spectra are exponential in transverse mass, with an inverse slope of about 280 MeV…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Low-$p_T$ direct-photon production in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=39$ and 62.4 GeV

The measurement of direct photons from Au$+$Au collisions at $\sqrt{s_{_{NN}}}=39$ and 62.4 GeV in the transverse-momentum range $0.4<p_T<3$ Gev/$c$ is presented by the PHENIX collaboration at the Relativistic Heavy Ion Collider. A…

Nuclear Experiment · Physics 2023-03-02 N. J. Abdulameer , U. Acharya , A. Adare , C. Aidala , N. N. Ajitanand , Y. Akiba , R. Akimoto , H. Al-Ta'ani , J. Alexander , M. Alfred , A. Angerami , K. Aoki , N. Apadula , Y. Aramaki , H. Asano , E. C. Aschenauer , E. T. Atomssa , T. C. Awes , B. Azmoun , V. Babintsev , M. Bai , B. Bannier , K. N. Barish , B. Bassalleck , S. Bathe , V. Baublis , S. Baumgart , A. Bazilevsky , R. Belmont , A. Berdnikov , Y. Berdnikov , L. Bichon , B. Blankenship , D. S. Blau , J. S. Bok , V. Borisov , K. Boyle , M. L. Brooks , H. Buesching , V. Bumazhnov , S. Butsyk , S. Campbell , V. Canoa Roman , P. Castera , C. -H. Chen , M. Chiu , C. Y. Chi , I. J. Choi , J. B. Choi , S. Choi , R. K. Choudhury , P. Christiansen , T. Chujo , O. Chvala , V. Cianciolo , Z. Citron , B. A. Cole , M. Connors , R. Corliss , Y. Corrales Morales , M. Csanád , T. Csörgő , L. D'Orazio , S. Dairaku , A. Datta , M. S. Daugherity , G. David , C. T. Dean , A. Denisov , A. Deshpande , E. J. Desmond , K. V. Dharmawardane , O. Dietzsch , L. Ding , A. Dion , M. Donadelli , V. Doomra , O. Drapier , A. Drees , K. A. Drees , J. M. Durham , A. Durum , S. Edwards , Y. V. Efremenko , T. Engelmore , A. Enokizono , R. Esha , K. O. Eyser , B. Fadem , W. Fan , D. E. Fields , M. Finger, , M. Finger , D. Firak , D. Fitzgerald , F. Fleuret , S. L. Fokin , J. E. Frantz , A. Franz , A. D. Frawley , Y. Fukao , T. Fusayasu , K. Gainey , C. Gal , A. Garishvili , I. Garishvili , M. Giles , A. Glenn , X. Gong , M. Gonin , Y. Goto , R. Granier de Cassagnac , N. Grau , S. V. Greene , M. Grosse Perdekamp , T. Gunji , L. Guo , H. -Å. Gustafsson , T. Hachiya , J. S. Haggerty , K. I. Hahn , H. Hamagaki , J. Hanks , M. Harvey , S. Hasegawa , K. Hashimoto , E. Haslum , R. Hayano , T. K. Hemmick , T. Hester , X. He , J. C. Hill , A. Hodges , R. S. Hollis , K. Homma , B. Hong , T. Horaguchi , Y. Hori , J. Huang , T. Ichihara , H. Iinuma , Y. Ikeda , J. Imrek , M. Inaba , A. Iordanova , D. Isenhower , M. Issah , D. Ivanishchev , B. V. Jacak , M. Javani , X. Jiang , Z. Ji , B. M. Johnson , K. S. Joo , D. Jouan , D. S. Jumper , J. Kamin , S. Kaneti , B. H. Kang , J. H. Kang , J. S. Kang , J. Kapustinsky , K. Karatsu , M. Kasai , D. Kawall , A. V. Kazantsev , T. Kempel , V. Khachatryan , A. Khanzadeev , A. Khatiwada , K. M. Kijima , B. I. Kim , C. Kim , D. J. Kim , E. -J. Kim , H. J. Kim , K. -B. Kim , T. Kim , Y. -J. Kim , Y. K. Kim , D. Kincses , A. Kingan , E. Kinney , Á. Kiss , E. Kistenev , J. Klatsky , D. Kleinjan , P. Kline , Y. Komatsu , B. Komkov , J. Koster , D. Kotchetkov , D. Kotov , L. Kovacs , F. Krizek , A. Král , G. J. Kunde , B. Kurgyis , K. Kurita , M. Kurosawa , Y. Kwon , G. S. Kyle , Y. S. Lai , J. G. Lajoie , D. Larionova , A. Lebedev , B. Lee , D. M. Lee , J. Lee , K. B. Lee , K. S. Lee , S. H. Lee , S. R. Lee , M. J. Leitch , M. A. L. Leite , M. Leitgab , B. Lewis , N. A. Lewis , S. H. Lim , L. A. Linden Levy , M. X. Liu , X. Li , D. A. Loomis , B. Love , S. Lökös , C. F. Maguire , T. Majoros , Y. I. Makdisi , M. Makek , A. Manion , V. I. Manko , E. Mannel , S. Masumoto , M. McCumber , P. L. McGaughey , D. McGlinchey , C. McKinney , M. Mendoza , B. Meredith , Y. Miake , T. Mibe , A. C. Mignerey , A. Milov , D. K. Mishra , J. T. Mitchell , M. Mitrankova , Iu. Mitrankov , Y. Miyachi , S. Miyasaka , A. K. Mohanty , S. Mohapatra , M. M. Mondal , H. J. Moon , T. Moon , D. P. Morrison , S. Motschwiller , T. V. Moukhanova , A. Muhammad , B. Mulilo , T. Murakami , J. Murata , A. Mwai , T. Nagae , S. Nagamiya , J. L. Nagle , M. I. Nagy , I. Nakagawa , Y. Nakamiya , K. R. Nakamura , T. Nakamura , K. Nakano , C. Nattrass , A. Nederlof , S. Nelson , M. Nihashi , R. Nouicer , T. Novák , N. Novitzky , G. Nukazuka , A. S. Nyanin , E. O'Brien , C. A. Ogilvie , J. Oh , K. Okada , M. Orosz , J. D. Osborn , A. Oskarsson , M. Ouchida , K. Ozawa , R. Pak , V. Pantuev , V. Papavassiliou , B. H. Park , I. H. Park , J. S. Park , S. Park , S. K. Park , L. Patel , M. Patel , S. F. Pate , H. Pei , J. -C. Peng , W. Peng , H. Pereira , D. V. Perepelitsa , D. Yu. Peressounko , C. E. PerezLara , R. Petti , C. Pinkenburg , R. P. Pisani , M. Potekhin , M. Proissl , A. Pun , M. L. Purschke , H. Qu , P. V. Radzevich , J. Rak , N. Ramasubramanian , I. Ravinovich , K. F. Read , D. Reynolds , V. Riabov , Y. Riabov , E. Richardson , D. Richford , D. Roach , G. Roche , S. D. Rolnick , M. Rosati , J. Runchey , B. Sahlmueller , N. Saito , T. Sakaguchi , H. Sako , V. Samsonov , M. Sano , M. Sarsour , S. Sato , S. Sawada , K. Sedgwick , R. Seidl , A. Sen , R. Seto , D. Sharma , I. Shein , Z. Shi , M. Shibata , T. -A. Shibata , K. Shigaki , M. Shimomura , K. Shoji , P. Shukla , A. Sickles , C. L. Silva , D. Silvermyr , K. S. Sim , B. K. Singh , C. P. Singh , V. Singh , M. Slunečka , K. L. Smith , R. A. Soltz , W. E. Sondheim , S. P. Sorensen , I. V. Sourikova , P. W. Stankus , E. Stenlund , M. Stepanov , A. Ster , S. P. Stoll , T. Sugitate , A. Sukhanov , J. Sun , Z. Sun , J. Sziklai , E. M. Takagui , R. Takahama , A. Takahara , A. Taketani , Y. Tanaka , S. Taneja , K. Tanida , M. J. Tannenbaum , S. Tarafdar , A. Taranenko , E. Tennant , H. Themann , T. Todoroki , L. Tomášek , M. Tomášek , H. Torii , R. S. Towell , I. Tserruya , Y. Tsuchimoto , T. Tsuji , Y. Ueda , B. Ujvari , C. Vale , H. W. van Hecke , M. Vargyas , E. Vazquez-Zambrano , A. Veicht , R. Vértesi , J. Velkovska , M. Virius , A. Vossen , V. Vrba , E. Vznuzdaev , X. R. Wang , Z. Wang , D. Watanabe , K. Watanabe , Y. Watanabe , Y. S. Watanabe , F. Wei , R. Wei , S. N. White , D. Winter , S. Wolin , C. P. Wong , C. L. Woody , M. Wysocki , B. Xia , Y. L. Yamaguchi , R. Yang , A. Yanovich , J. Ying , S. Yokkaichi , I. Younus , Z. You , I. E. Yushmanov , W. A. Zajc , A. Zelenski , L. Zou

Analysis of multiplicity distributions in proton-proton collisions at LHC up to $\sqrt {s}$ = 7 TeV in quantum statistical approach

Proton-proton collisions at new high energies ($\sqrt {s}=$2.36 and 7 TeV) at LHC resulted into a greater mean multiplicities ($<e n >$) of charged particles in the mid-rapidity region than estimated $< n >$s by different models and event…

High Energy Physics - Phenomenology · Physics 2012-02-21 Premomoy Ghosh

Probing the QCD equation of state with thermal photons in nucleus-nucleus collisions at RHIC

Thermal photon production at mid-rapidity in Au+Au reactions at $\sqrt{s_{NN}}$ = 200 GeV is studied in the framework of a 2D+1 hydrodynamical model that describes efficiently the bulk identified hadron spectra at RHIC. The combined thermal…

Nuclear Theory · Physics 2009-01-07 David d'Enterria , Dmitri Peressounko

Dissipation and fragmentation of low-Q^2 scattered partons in Au-Au collisions at RHIC

Two-particle correlations and event-wise fluctuations in transverse momentum p_t are reported for Au-Au collisions at sqrt{s_{NN}} = 62 and 200 GeV on pseudorapidity (eta) and azimuth (phi). Distributions of all pairs of particles (no…

Nuclear Experiment · Physics 2015-06-26 STAR Collaboration , R. L. Ray , M. Daugherity