Related papers: Charged particle pseudorapidity distributions meas…

Azimuth Quadrupole Systematics in Au-Au Collisions

We have measured $p_t$-dependent two-particle number correlations on azimuth and pseudorapidity for eleven centralities of $\sqrt{s_{NN}} = 62$ and 200~GeV Au-Au collisions at STAR. 2D fits to these angular correlations isolate the azimuth…

Nuclear Experiment · Physics 2011-03-23 David Kettler

Measurement of Charged Particle Spectra in Deep-Inelastic ep Scattering at HERA

Charged particle production in deep-inelastic ep scattering is measured with the H1 detector at HERA. The kinematic range of the analysis covers low photon virtualities, 5 < Q^2 < 100 GeV^2, and small values of Bjorken-x, 10^{-4} < x <…

High Energy Physics - Experiment · Physics 2013-02-07 H1 Collaboration

Fluctuations of charge separation perpendicular to the event plane and local parity violation in sqrt(sNN)=200 GeV Au+Au collisions at RHIC

Previous experimental results based on data (15 million events) collected by the STAR detector at RHIC suggest event-by-event charge separation fluctuations perpendicular to the event plane in non-central heavy-ion collisions. Here we…

Nuclear Experiment · Physics 2013-10-22 STAR Collaboration , L. Adamczyk , J. K. Adkins , G. Agakishiev , M. M. Aggarwal , Z. Ahammed , I. Alekseev , J. Alford , C. D. Anson , A. Aparin , D. Arkhipkin , E. Aschenauer , G. S. Averichev , J. Balewski , A. Banerjee , Z. Barnovska , D. R. Beavis , R. Bellwied , M. J. Betancourt , R. R. Betts , A. Bhasin , A. K. Bhati , Bhattarai , H. Bichsel , J. Bielcik , J. Bielcikova , L. C. Bland , I. G. Bordyuzhin , W. Borowski , J. Bouchet , A. V. Brandin , S. G. Brovko , E. Bruna , S. Bültmann , I. Bunzarov , T. P. Burton , J. Butterworth , H. Caines , M. Calderón de la Barca Sánchez , D. Cebra , R. Cendejas , M. C. Cervantes , P. Chaloupka , Z. Chang , S. Chattopadhyay , H. F. Chen , J. H. Chen , J. Y. Chen , L. Chen , J. Cheng , M. Cherney , A. Chikanian , W. Christie , P. Chung , J. Chwastowski , M. J. M. Codrington , R. Corliss , J. G. Cramer , H. J. Crawford , X. Cui , S. Das , A. Davila Leyva , L. C. De Silva , R. R. Debbe , T. G. Dedovich , J. Deng , R. Derradi de Souza , S. Dhamija , B. di Ruzza , L. Didenko , Dilks , F. Ding , A. Dion , P. Djawotho , X. Dong , J. L. Drachenberg , J. E. Draper , C. M. Du , L. E. Dunkelberger , J. C. Dunlop , L. G. Efimov , M. Elnimr , J. Engelage , K. S. Engle , G. Eppley , L. Eun , O. Evdokimov , R. Fatemi , S. Fazio , J. Fedorisin , R. G. Fersch , P. Filip , E. Finch , Y. Fisyak , C. E. Flores , C. A. Gagliardi , D. R. Gangadharan , D. Garand , F. Geurts , A. Gibson , S. Gliske , O. G. Grebenyuk , D. Grosnick , Y. Guo , A. Gupta , S. Gupta , W. Guryn , B. Haag , O. Hajkova , A. Hamed , L-X. Han , R. Haque , J. W. Harris , J. P. Hays-Wehle , S. Heppelmann , A. Hirsch , G. W. Hoffmann , D. J. Hofman , S. Horvat , B. Huang , H. Z. Huang , P. Huck , T. J. Humanic , G. Igo , W. W. Jacobs , C. Jena , E. G. Judd , S. Kabana , K. Kang , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , A. Kesich , D. P. Kikola , J. Kiryluk , I. Kisel , A. Kisiel , D. D. Koetke , T. Kollegger , J. Konzer , I. Koralt , W. Korsch , L. Kotchenda , P. Kravtsov , K. Krueger , I. Kulakov , L. Kumar , R. A. Kycia , M. A. C. Lamont , J. M. Landgraf , K. D. Landry , S. LaPointe , J. Lauret , A. Lebedev , R. Lednicky , J. H. Lee , W. Leight , M. J. LeVine , C. Li , W. Li , X. Li , X. Li , Y. Li , Z. M. Li , L. M. Lima , M. A. Lisa , F. Liu , T. Ljubicic , W. J. Llope , R. S. Longacre , X. Luo , G. L. Ma , Y. G. Ma , D. M. M. D. Madagodagettige Don , D. P. Mahapatra , R. Majka , S. Margetis , C. Markert , H. Masui , H. S. Matis , D. McDonald , T. S. McShane , S. Mioduszewski , M. K. Mitrovski , Y. Mohammed , B. Mohanty , M. M. Mondal , M. G. Munhoz , M. K. Mustafa , M. Naglis , B. K. Nandi , Md. Nasim , T. K. Nayak , J. M. Nelson , L. V. Nogach , J. Novak , G. Odyniec , A. Ogawa , K. Oh , A. Ohlson , V. Okorokov , E. W. Oldag , R. A. N. Oliveira , D. Olson , M. Pachr , B. S. Page , S. K. Pal , Y. X. Pan , Y. Pandit , Y. Panebratsev , T. Pawlak , B. Pawlik , H. Pei , C. Perkins , W. Peryt , P. Pile , M. Planinic , J. Pluta , D. Plyku , N. Poljak , J. Porter , A. M. Poskanzer , C. B. Powell , C. Pruneau , N. K. Pruthi , M. Przybycien , P. R. Pujahari , J. Putschke , H. Qiu , S. Ramachandran , R. Raniwala , S. Raniwala , R. L. Ray , C. K. Riley , H. G. Ritter , J. B. Roberts , O. V. Rogachevskiy , J. L. Romero , J. F. Ross , A. Roy , L. Ruan , J. Rusnak , N. R. Sahoo , P. K. Sahu , I. Sakrejda , S. Salur , A. Sandacz , J. Sandweiss , E. Sangaline , A. Sarkar , J. Schambach , R. P. Scharenberg , A. M. Schmah , B. Schmidke , N. Schmitz , T. R. Schuster , J. Seger , P. Seyboth , N. Shah , E. Shahaliev , M. Shao , B. Sharma , M. Sharma , W. Q. Shen , S. S. Shi , Q. Y. Shou , E. P. Sichtermann , R. N. Singaraju , M. J. Skoby , D. Smirnov , N. Smirnov , D. Solanki , P. Sorensen , U. G. deSouza , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , J. R. Stevens , R. Stock , M. Strikhanov , B. Stringfellow , A. A. P. Suaide , M. C. Suarez , 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 , J. H. Thomas , A. R. Timmins , D. Tlusty , M. Tokarev , S. Trentalange , R. E. Tribble , P. Tribedy , B. A. Trzeciak , O. D. Tsai , J. Turnau , T. Ullrich , D. G. Underwood , G. Van Buren , G. van Nieuwenhuizen , J. A. Vanfossen, , R. Varma , G. M. S. Vasconcelos , R. Vertesi , F. Videbæk , Y. P. Viyogi , S. Vokal , S. A. Voloshin , A. Vossen , 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 , H. Wieman , S. W. Wissink , R. Witt , Y. F. Wu , Z. Xiao , W. Xie , K. Xin , H. Xu , N. Xu , Q. H. Xu , W. Xu , Y. Xu , Z. Xu , Yan , C. Yang , Y. Yang , Y. Yang , P. Yepes , L. Yi , K. Yip , I-K. Yoo , Y. Zawisza , H. Zbroszczyk , W. Zha , J. B. Zhang , S. Zhang , X. P. Zhang , Y. Zhang , Z. P. Zhang , F. Zhao , J. Zhao , C. Zhong , X. Zhu , Y. H. Zhu , Y. Zoulkarneeva , M. Zyzak

Charged Hadron Spectra in Au+Au Collisions at a Centre-of-Mass Energy of 130 GeV

This work concentrates on measurement of global hadronic observables in Au+Au interactions at a centre-of-mass energy per nucleon pair of 130 GeV, which mainly address conditions in the final state of the collision. The minimum bias…

Nuclear Experiment · Physics 2007-05-23 Manuel Calderon de la Barca Sanchez

Charged-particle multiplicities in pp interactions at sqrt(s) = 900 GeV measured with the ATLAS detector at the LHC

The first measurements from proton-proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy of 900 GeV. The…

High Energy Physics - Experiment · Physics 2012-08-27 The ATLAS Collaboration

Charged-particle production in pp collisions at $\sqrt{s}$ = 13.6 TeV and Pb$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.36 TeV with ALICE

This article presents the measurement of charged-particle pseudorapidity ($\eta$) density, $\mathrm{d}N_{\rm ch}/\mathrm{d}\eta$, in proton$-$proton (pp) collisions at a centre-of-mass energy $\sqrt{s}$ = 13.6 TeV, and in lead$-$lead…

Nuclear Experiment · Physics 2024-09-30 Abhi Modak

Charged-particle multiplicity distributions over a wide pseudorapidity range in proton-proton collisions at $\mathbf{\sqrt{s}=}$ 0.9, 7 and 8 TeV

We present the charged-particle multiplicity distributions over a wide pseudorapidity range ($-3.4<\eta<5.0$) for pp collisions at $\sqrt{s}=$ 0.9, 7, and 8 TeV at the LHC. Results are based on information from the Silicon Pixel Detector…

High Energy Physics - Experiment · Physics 2017-12-15 ALICE Collaboration

Pseudorapidity Distributions of Charged Particles in d + Au and p + p Collisions at $\sqrt{s_{_{NN}}}$ = 200GeV

The measured pseudorapidity distributions of primary charged particles are presented for d + Au and p + p collisions at ${\sqrt{s_{_{NN}}} =}$ 200 GeV over a wide pseudorapidity range of ${\rm \mid \eta \mid \le}$ 5.4. The results for d +…

Nuclear Experiment · Physics 2008-11-26 Rachid Nouicer

Charged particle (pseudo-)rapidity distributions in proton+anti-proton/proton+proton and Pb+Pb/Au+Au collisions from SPS to LHC energies from UrQMD

We present results for final state charged particle (pseudo-)rapidity distributions in $\rm{p}$ + $\bar{\rm{p}}$ / $\rm{p}$ + $\rm{p}$ and Pb+Pb/Au+Au at ultra high energies (17.3 GeV $\leq$ $\sqrt{s_{\rm{NN}}}$ $\leq$ 14 TeV) from the…

High Energy Physics - Phenomenology · Physics 2009-04-07 Michael Mitrovski , Tim Schuster , Gunnar Graef , Hannah Petersen , Marcus Bleicher

Pseudorapidity distributions of charged hadrons in proton-lead collisions at $\sqrt{s_{_\mathrm{NN}}} =$ 5.02 and 8.16 TeV

The pseudorapidity distributions of charged hadrons in proton-lead collisions at nucleon-nucleon center-of-mass energies $\sqrt{s_{_\mathrm{NN}}} =$ 5.02 and 8.16 TeV are presented. The measurements are based on data samples collected by…

High Energy Physics - Experiment · Physics 2018-04-06 CMS Collaboration

Charged particle flow measurement for $|\eta|<5.3$ with the PHOBOS detector

The measurement of elliptic flow for charged particles in Au-Au collisions at $\sqrt{s_{_{NN}}} = 130$ GeV using the PHOBOS detector at the Relativistic Heavy Ion Collider (RHIC) is presented. Charge particle distributions over a wide…

Nuclear Experiment · Physics 2010-05-28 Inkyu Park , The PHOBOS Collaboration

System Size, Energy and Centrality Dependence of Pseudorapidity Distributions of Charged Particles in Relativistic Heavy Ion Collisions

We present the first measurements of the pseudorapidity distribution of primary charged particles in Cu+Cu collisions as a function of collision centrality and energy, \sqrtsnn = 22.4, 62.4 and 200 GeV, over a wide range of pseudorapidity,…

Nuclear Experiment · Physics 2009-05-18 B. Alver , B. B. Back , M. D. Baker , M. Ballintijn , D. S. Barton , R. R. Betts , R. Bindel , W. Busza , Z. Chai , V. Chetluru , E. García , T. Gburek , K. Gulbrandsen , J. Hamblen , I. Harnarine , C. Henderson , D. J. Hofman , R. S. Hollis , R. Hołyński , B. Holzman , A. Iordanova , J. L. Kane , 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 , I. Sedykh , C. E. Smith , M. A. Stankiewicz , P. Steinberg , G. S. F. Stephans , A. Sukhanov , A. Szostak , M. B. Tonjes , A. Trzupek , 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. Woźniak , S. Wyngaardt , B. Wysłouch

Measurement of the forward charged particle pseudorapidity density in pp collisions at sqrt(s) = 8 TeV using a displaced interaction point

The pseudorapidity density of charged particles dN(ch)/deta is measured by the TOTEM experiment in pp collisions at sqrt(s) = 8 TeV within the range 3.9 < eta < 4.7 and -6.95 < eta < -6.9. Data were collected in a low intensity LHC run with…

High Energy Physics - Experiment · Physics 2014-11-19 The TOTEM Collaboration , G. Antchev , P. Aspell , I. Atanassov , V. Avati , J. Baechler , V. Berardi , M. Berretti , E. Bossini , U. Bottigli , M. Bozzo , E. Brücken , A. Buzzo , F. S. Cafagna , M. G. Catanesi , C. Covault , M. Csanád , T. Csörgő , M. Deile , M. Doubek , K. Eggert , V. Eremin , F. Ferro , A. Fiergolski , F. Garcia , V. Georgiev , S. Giani , L. Grzanka , J. Hammerbauer , J. Heino , T. Hilden , A. Karev , J. Kašpar , J. Kopal , V. Kundrát , S. Lami , G. Latino , R. Lauhakangas , T. Leszko , E. Lippmaa , J. Lippmaa , M. V. Lokajíček , L. Losurdo , M. Lo Vetere , F. Lucas Rodríguez , M. Macrí , T. Mäki , A. Mercadante , N. Minafra , S. Minutoli , F. Nemes , H. Niewiadomski , E. Oliveri , F. Oljemark , R. Orava , M. Oriunno , K. Österberg , P. Palazzi , Z. Peroutka , J. Procházka , M. Quinto , E. Radermacher , E. Radicioni , F. Ravotti , E. Robutti , L. Ropelewski , G. Ruggiero , H. Saarikko , A. Scribano , J. Smajek , W. Snoeys , J. Sziklai , C. Taylor , N. Turini , V. Vacek , J. Welti , J. Whitmore , P. Wyszkowski , K. Zielinski

Quality Assurance Test of Silicon Photomultipliers and Electronic Boards for STAR Event Plane Detector

The event plane detector (EPD), installed in the Solenoid Tracker at the Relativistic Heavy-Ion Collider located at the Brookhaven National Laboratory is a plastic scintillator-based device that measures the reaction centrality and event…

Instrumentation and Detectors · Physics 2020-11-24 Ming Shao , Yitao Wu , Zheng Liang , Kaifeng Shen , Zebo Tang , M. A. Lisa , R. Reed , G. Visser , Yongjie Sun , Yi Zhou , Jian Zhou , Guofeng Song , Dongdong Hu , Xu Wang , Xinjian Wang

Extensive Particle Identification with TPC and TOF at the STAR Experiment

Particle identification (PID) capabilities are studied by using the Time Projection Chamber (TPC) and a Time-Of-Flight (TOF) detector together at STAR. The identification capability of charged hadrons is greatly extended compared with that…

Nuclear Experiment · Physics 2011-07-19 M. Shao , O. Barannikova , X. Dong , Y. Fisyak , L. Ruan , P. Sorensen , Z. Xu

Production of Jets at STAR

Jets serve as an important tool to probe QCD both in the vacuum and in the hot and dense medium. The STAR experiment at RHIC plays a key role in studying QCD phenomena across different collision systems ($p$+$p$, $p$+A, A+A), offering…

High Energy Physics - Experiment · Physics 2025-08-01 Michal Svoboda

Centrality dependence of charged-particle pseudorapidity density at midrapidity in Pb-Pb collisions at $\mathbf{\sqrt{\textit{s}_{\rm NN}} = 5.36}$ TeV

The ALICE Collaboration reports its first LHC Run 3 measurements of charged-particle pseudorapidity density at midrapidity in Pb-Pb collisions at a centre-of-mass energy per nucleon pair of $\sqrt{s_{\mathrm{NN}}}=5.36$ TeV. Particle…

Nuclear Experiment · Physics 2025-04-04 ALICE Collaboration

Beam Energy Dependence of Directed and Elliptic Flow Measurement from the STAR Experiment

Measurements of anisotropic flow in heavy-ion collisions provide insight into the early stage of the system's evolution. This proceedings presents directed and elliptic flow for Au+Au collisions at 39, 11.5 and 7.7 GeV, and for Cu+Cu at…

Nuclear Experiment · Physics 2015-05-30 Yadav Pandit

Measurement of the forward charged particle pseudorapidity density in pp collisions at sqrt{s} = 7 TeV with the TOTEM experiment

The TOTEM experiment has measured the charged particle pseudorapidity density dN_{ch}/deta in pp collisions at sqrt{s} = 7 TeV for 5.3<|eta|<6.4 in events with at least one charged particle with transverse momentum above 40 MeV/c in this…

High Energy Physics - Experiment · Physics 2015-06-05 G. Antchev , P. Aspell , I. Atanassov , V. Avati , J. Baechler , V. Berardi , M. Berretti , E. Bossini , M. Bozzo , P. Brogi , E. Brücken , A. Buzzo , F. S. Cafagna , M. Calicchio , M. G. Catanesi , C. Covault , M. Csanád , T. Csörgő , M. Deile , K Eggert , V. Eremin , R. Ferretti , F. Ferro , A. Fiergolski , F. Garcia , S. Giani , V. Greco , L. Grzanka , J. Heino , T. Hilden , M. R. Intonti , J. Kašpar , J. Kopal , V. Kundrát , K. Kurvinen , S. Lami , G. Latino , R. Lauhakangas , T. Leszko , E. Lippmaa , M. Lokajíček , M. Lo Vetere , F. Lucas Rodríguez , M. Macrí , L. Magaletti , T. Mäki , A. Mercadante , N. Minafra , S. Minutoli , F. Nemes , H. Niewiadomski , E. Oliveri , F. Oljemark , R. Orava , M. Oriunno , K. Österberg , P. Palazzi , J. Procházka , M. Quinto , E. Radermacher , E. Radicioni , F. Ravotti , E. Robutti , L. Ropelewski , G. Ruggiero , H. Saarikko , A. Santroni , A. Scribano , W. Snoeys , J. Sziklai , C. Taylor , N. Turini , V. Vacek , M. Vitek , J. Welti , J. Whitmore

Production of Charged Pions and Hadrons in Au+Au Collisions at sqrt(s_NN)=130GeV

The STAR experiment has measured the production of charged hadrons and identified charged pions as a function of transverse momentum, (pseudo-)rapidity, and centrality in Au+Au collisions at sqrt(s_NN)=130GeV. The mean transverse momentum…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration