Related papers: Multiplicity distribution and source deformation i…

Multiplicity Fluctuations in Au+Au Collisions at RHIC

The preliminary data of the PHENIX collaboration for the scaled variances of charged hadron multiplicity fluctuations in Au+Au at $\sqrt{s}=200$ GeV are analyzed within the model of independent sources. We use the HSD transport model to…

Nuclear Theory · Physics 2008-11-26 V. P. Konchakovski , M. I. Gorenstein , E. L. Bratkovskaya

<pt> Systematics and mt-Scaling

An enhancement in the number of strange particles produced in relativistic heavy ion collisions is expected to coincide with the formation of a deconfined state of partonic matter. Measurements of transverse momentum spectra for strange…

Nuclear Experiment · Physics 2019-08-15 Richard Witt

Forward-backward multiplicity fluctuations in heavy nuclei collisions in the wounded nucleon model

We use the wounded nucleon model to study the forward-backward multiplicity fluctuations measured by the PHOBOS Collaboration in Au+Au collisions at sqrt(s_NN)=200 GeV. The enhancement of forward-backward fluctuations in Au+Au collisions…

High Energy Physics - Phenomenology · Physics 2010-04-14 Adam Bzdak , Krzysztof Wozniak

Coherent QCD multiple scattering in proton-nucleus collisions

We argue that high energy proton-nucleus (p+A) collisions provide an excellent laboratory for studying nuclear size enhanced parton multiple scattering where power corrections to the leading twist perturbative QCD factorization approach can…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jianwei Qiu , Ivan Vitev

Multiplicity distributions in gravitational and strong interactions

The multiplicity distributions produced by the variation of time-dependent gravitational fields in a conformally flat background geometry belong to the same class of infinitely divisible distributions found, for fixed centre of mass…

High Energy Physics - Theory · Physics 2014-11-21 Massimo Giovannini

Charged-Particle Multiplicity Distributions over a Wide Pseudorapidity Range in Proton-Proton Collisions with ALICE

Multiplicity distributions of charged particles for pp collisions at LHC Run 1 energies, from $\sqrt{s}=$ 0.9 to 8 TeV are measured over a wide pseudorapidity range ($-3.4<\eta<5.0$) for the first time. The results are obtained using the…

High Energy Physics - Experiment · Physics 2019-08-13 Valentina Zaccolo

Distributions of Charged Hadrons Associated with High Transverse Momentum Particles in pp and Au+Au Collisions at sqrt(s_NN)=200 GeV

Charged hadrons in 0.15 < pt < 4 GeV/c associated with particles of pt^trig > 4 GeV/c are reconstructed in pp and Au+Au collisions at sqrt(s_NN)=200 GeV. The associated multiplicity and pt magnitude sum are found to increase from pp to…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Elliptic flow fluctuations in 200 GeV Au+Au collisions at RHIC

We present first results on event-by-event elliptic flow fluctuations in Au+Au collisions at 200 GeV obtained with the PHOBOS detector. Over the measured range in centrality, large relative fluctuations of 40--50% are found. The elliptic…

Nuclear Experiment · Physics 2019-08-14 Constantin Loizides

Inclusive photon production at forward rapidities in pp and p$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV

A study of multiplicity and pseudorapidity distributions of inclusive photons measured in pp and p$-$Pb collisions at a center-of-mass energy per nucleon$-$nucleon collision of $\sqrt{s_{\rm NN}} = 5.02$ TeV using the ALICE detector in the…

Nuclear Experiment · Physics 2023-10-10 ALICE Collaboration

On Dynamics of Fractality in Central C-Cu Collisions at 4.5A Gev/c

Fractal structure of charged particle distributions in the pseudorapidity and transverse momentum in central C-Cu collisions at 4.5A GeV/c is studied by means of intermittency approach and multifractal analysis. The modifications to take…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. K. G. Sarkisyan , L. K. Gelovani , G. L. Gogiberidze

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

Multiplicity and Pseudorapidity Distributions of Charged Particles and Photons at Forward Pseudorapidity in Au + Au Collisions at sqrt{s_NN} = 62.4 GeV

We present the centrality dependent measurement of multiplicity and pseudorapidity distributions of charged particles and photons in Au + Au collisions at sqrt{s_NN} = 62.4 GeV. The charged particles and photons are measured in the…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Mid-Rapidity Direct-Photon Production in p+p Collisions at sqrt(s) = 200 GeV

A measurement of direct photons in p+p collisions at sqrt(s)=200 GeV is presented. A photon excess above background from pi^0 --> gamma+gamma, eta --> gamma+gamma, and other decays is observed in the transverse momentum range 5.5 < p_T < 7…

High Energy Physics - Experiment · Physics 2008-11-26 PHENIX Collaboration , S. Adler

Transverse Momentum Spectra in Au+Au and d+Au Collisions at $\sqrt{s_{NN}}$=200 GeV and the Pseudorapidity Dependence of High p$_T$ Suppression

We present spectra of charged hadrons from Au+Au and d+Au collisions at $\sqrt{s_{NN}}=200$ GeV measured with the BRAHMS experiment at RHIC. The spectra for different collision centralities are compared to spectra from ${\rm p}+\bar{{\rm…

Nuclear Experiment · Physics 2011-08-19 The BRAHMS Collaboration , I. Arsene

Transverse-energy distributions at midrapidity in $p$$+$$p$, $d$$+$Au, and Au$+$Au collisions at $\sqrt{s_{_{NN}}}=62.4$--200~GeV and implications for particle-production models

Measurements of the midrapidity transverse energy distribution, $d\Et/d\eta$, are presented for $p$$+$$p$, $d$$+$Au, and Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV and additionally for Au$+$Au collisions at $\sqrt{s_{_{NN}}}=62.4$ and…

Nuclear Experiment · Physics 2014-04-23 S. S. Adler , S. Afanasiev , C. Aidala , N. N. Ajitanand , Y. Akiba , A. Al-Jamel , J. Alexander , K. Aoki , L. Aphecetche , R. Armendariz , S. H. Aronson , R. Averbeck , T. C. Awes , B. Azmoun , V. Babintsev , A. Baldisseri , K. N. Barish , P. D. Barnes , B. Bassalleck , S. Bathe , S. Batsouli , V. Baublis , F. Bauer , A. Bazilevsky , S. Belikov , R. Bennett , Y. Berdnikov , M. T. Bjorndal , J. G. Boissevain , H. Borel , K. Boyle , M. L. Brooks , D. S. Brown , N. Bruner , D. Bucher , H. Buesching , V. Bumazhnov , G. Bunce , J. M. Burward-Hoy , S. Butsyk , X. Camard , S. Campbell , J. -S. Chai , P. Chand , W. C. Chang , S. Chernichenko , C. Y. Chi , J. Chiba , M. Chiu , I. J. Choi , R. K. Choudhury , T. Chujo , V. Cianciolo , C. R. Cleven , Y. Cobigo , B. A. Cole , M. P. Comets , P. Constantin , M. Csanád , T. Csörgő , J. P. Cussonneau , T. Dahms , K. Das , G. David , F. Deák , H. Delagrange , A. Denisov , D. d'Enterria , A. Deshpande , E. J. Desmond , A. Devismes , O. Dietzsch , A. Dion , J. L. Drachenberg , O. Drapier , A. Drees , A. K. Dubey , A. Durum , D. Dutta , V. Dzhordzhadze , Y. V. Efremenko , J. Egdemir , A. Enokizono , H. En'yo , B. Espagnon , S. Esumi , D. E. Fields , C. Finck , F. Fleuret , S. L. Fokin , B. Forestier , B. D. Fox , Z. Fraenkel , J. E. Frantz , A. Franz , A. D. Frawley , Y. Fukao , S. -Y. Fung , S. Gadrat , F. Gastineau , M. Germain , A. Glenn , M. Gonin , J. Gosset , Y. Goto , R. Granier de Cassagnac , N. Grau , S. V. Greene , M. Grosse Perdekamp , T. Gunji , H. -Å. Gustafsson , T. Hachiya , A. Hadj Henni , J. S. Haggerty , M. N. Hagiwara , H. Hamagaki , A. G. Hansen , H. Harada , E. P. Hartouni , K. Haruna , M. Harvey , E. Haslum , K. Hasuko , R. Hayano , X. He , M. Heffner , T. K. Hemmick , J. M. Heuser , P. Hidas , H. Hiejima , J. C. Hill , R. Hobbs , M. Holmes , W. Holzmann , K. Homma , B. Hong , A. Hoover , T. Horaguchi , M. G. Hur , T. Ichihara , H. Iinuma , V. V. Ikonnikov , K. Imai , M. Inaba , M. Inuzuka , D. Isenhower , L. Isenhower , M. Ishihara , T. Isobe , M. Issah , A. Isupov , B. V. Jacak , J. Jia , J. Jin , O. Jinnouchi , B. M. Johnson , S. C. Johnson , K. S. Joo , D. Jouan , F. Kajihara , S. Kametani , N. Kamihara , M. Kaneta , J. H. Kang , K. Katou , T. Kawabata , T. Kawagishi , A. V. Kazantsev , S. Kelly , B. Khachaturov , A. Khanzadeev , J. Kikuchi , D. J. Kim , E. Kim , E. J. Kim , G. -B. Kim , H. J. Kim , Y. -S. Kim , E. Kinney , Á. Kiss , E. Kistenev , A. Kiyomichi , C. Klein-Boesing , H. Kobayashi , L. Kochenda , V. Kochetkov , R. Kohara , B. Komkov , M. Konno , D. Kotchetkov , A. Kozlov , P. J. Kroon , C. H. Kuberg , G. J. Kunde , N. Kurihara , K. Kurita , M. J. Kweon , Y. Kwon , G. S. Kyle , R. Lacey , J. G. Lajoie , A. Lebedev , Y. Le Bornec , S. Leckey , D. M. Lee , M. K. Lee , M. J. Leitch , M. A. L. Leite , X. H. Li , H. Lim , A. Litvinenko , M. X. Liu , C. F. Maguire , Y. I. Makdisi , A. Malakhov , M. D. Malik , V. I. Manko , Y. Mao , G. Martinez , H. Masui , F. Matathias , T. Matsumoto , M. C. McCain , P. L. McGaughey , Y. Miake , T. E. Miller , A. Milov , S. Mioduszewski , G. C. Mishra , J. T. Mitchell , A. K. Mohanty , D. P. Morrison , J. M. Moss , T. V. Moukhanova , D. Mukhopadhyay , M. Muniruzzaman , J. Murata , S. Nagamiya , Y. Nagata , J. L. Nagle , M. Naglis , T. Nakamura , J. Newby , M. Nguyen , B. E. Norman , A. S. Nyanin , J. Nystrand , E. O'Brien , C. A. Ogilvie , H. Ohnishi , I. D. Ojha , K. Okada , O. O. Omiwade , A. Oskarsson , I. Otterlund , K. Oyama , K. Ozawa , D. Pal , A. P. T. Palounek , V. Pantuev , V. Papavassiliou , J. Park , W. J. Park , S. F. Pate , H. Pei , V. Penev , J. -C. Peng , H. Pereira , V. Peresedov , D. Yu. Peressounko , A. Pierson , C. Pinkenburg , R. P. Pisani , M. L. Purschke , A. K. Purwar , H. Qu , J. M. Qualls , J. Rak , I. Ravinovich , K. F. Read , M. Reuter , K. Reygers , V. Riabov , Y. Riabov , G. Roche , A. Romana , M. Rosati , S. S. E. Rosendahl , P. Rosnet , P. Rukoyatkin , V. L. Rykov , S. S. Ryu , B. Sahlmueller , N. Saito , T. Sakaguchi , S. Sakai , V. Samsonov , L. Sanfratello , R. Santo , H. D. Sato , S. Sato , S. Sawada , Y. Schutz , V. Semenov , R. Seto , D. Sharma , T. K. Shea , I. Shein , T. -A. Shibata , K. Shigaki , M. Shimomura , T. Shohjoh , K. Shoji , A. Sickles , C. L. Silva , D. Silvermyr , K. S. Sim , C. P. Singh , V. Singh , S. Skutnik , W. C. Smith , A. Soldatov , R. A. Soltz , W. E. Sondheim , S. P. Sorensen , I. V. Sourikova , F. Staley , P. W. Stankus , E. Stenlund , M. Stepanov , A. Ster , S. P. Stoll , T. Sugitate , C. Suire , J. P. Sullivan , J. Sziklai , T. Tabaru , S. Takagi , E. M. Takagui , A. Taketani , K. H. Tanaka , Y. Tanaka , K. Tanida , M. J. Tannenbaum , A. Taranenko , P. Tarján , T. L. Thomas , M. Togawa , J. Tojo , H. Torii , R. S. Towell , V-N. Tram , I. Tserruya , Y. Tsuchimoto , S. K. Tuli , H. Tydesjö , N. Tyurin , T. J. Uam , C. Vale , H. Valle , H. W. van Hecke , J. Velkovska , M. Velkovsky , R. Vértesi , V. Veszprémi , A. A. Vinogradov , M. A. Volkov , E. Vznuzdaev , M. Wagner , X. R. Wang , Y. Watanabe , J. Wessels , S. N. White , N. Willis , D. Winter , F. K. Wohn , C. L. Woody , M. Wysocki , W. Xie , A. Yanovich , S. Yokkaichi , G. R. Young , I. Younus , I. E. Yushmanov , W. A. Zajc , O. Zaudtke , C. Zhang , S. Zhou , J. Zimányi , L. Zolin , X. Zong

Centrality, system size and energy dependences of charged-particle pseudo-rapidity distribution

Utilizing the three-fireball picture within the quark combination model, we study systematically the charged particle pseudorapidity distributions in both Au+Au and Cu+Cu collision systems as a function of collision centrality and energy,…

High Energy Physics - Phenomenology · Physics 2010-01-08 De-ming Wei , Feng-lan Shao , Jun Song , Yun-fei Wang

Measurement of Charge Multiplicity Asymmetry Correlations in High Energy Nucleus-Nucleus Collisions at 200 GeV

A study is reported of the same- and opposite-sign charge-dependent azimuthal correlations with respect to the event plane in Au+Au collisions at 200 GeV. The charge multiplicity asymmetries between the up/down and left/right hemispheres…

Nuclear Experiment · Physics 2014-04-25 STAR Collaboration , L. Adamczyk , J. K. Adkins , G. Agakishiev , M. M. Aggarwal , Z. Ahammed , A. V. Alakhverdyants , I. Alekseev , J. Alford , C. D. Anson , 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 , 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 , X. Z. Cai , 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 , L. Didenko , 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 , G. Eppley , L. Eun , O. Evdokimov , R. Fatemi , S. Fazio , J. Fedorisin , R. G. Fersch , P. Filip , E. Finch , Y. Fisyak , E. Flores , C. A. Gagliardi , D. R. Gangadharan , D. Garand , F. Geurts , A. Gibson , S. Gliske , Y. N. Gorbunov , O. G. Grebenyuk , D. Grosnick , A. Gupta , S. Gupta , W. Guryn , B. Haag , O. Hajkova , A. Hamed , L-X. Han , 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 , J. Kapitan , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , A. Kesich , D. P. Kikola , J. Kiryluk , I. Kisel , A. Kisiel , V. Kizka , D. D. Koetke , T. Kollegger , J. Konzer , I. Koralt , L. Koroleva , W. Korsch , L. Kotchenda , P. Kravtsov , K. Krueger , I. Kulakov , L. Kumar , 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 , Y. Lu , X. Luo , A. Luszczak , 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 , B. Morozov , 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 , P. Ostrowski , 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 , N. Poljak , J. Porter , C. B. Powell , N. K. Pruthi , M. Przybycien , P. R. Pujahari , J. Putschke , H. Qiu , S. Ramachandran , R. Raniwala , S. Raniwala , R. L. Ray , R. Redwine , C. K. Riley , H. G. Ritter , J. B. Roberts , O. V. Rogachevskiy , J. L. Romero , J. F. Ross , 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. Seele , J. Seger , I. Selyuzhenkov , P. Seyboth , N. Shah , E. Shahaliev , M. Shao , B. Sharma , M. Sharma , 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 , S. G. Steadman , 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 , J. Tian , 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 , F. Videbæk , Y. P. Viyogi , S. Vokal , A. Vossen , M. Wada , F. 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 , Z. Xiao , W. Xie , K. Xin , H. Xu , N. Xu , Q. H. Xu , W. Xu , Y. Xu , Z. Xu , L. Xue , Y. Yang , Y. Yang , P. Yepes , L. Yi , K. Yip , I-K. Yoo , M. Zawisza , H. Zbroszczyk , 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

KNO scaling of fluctuations in pp and pA, and eccentricities in heavy-ion collisions

Multiplicity fluctuations at midrapidity in p+p collisions at high energies are described by a negative binomial distribution and exhibit approximate Koba-Nielsen-Olesen (KNO) scaling. We find that these KNO fluctuations are important also…

Nuclear Theory · Physics 2012-04-23 Adrian Dumitru , Yasushi Nara

A simple power-law growth of charged-particle multiplicities near midrapidity in central Au+Au collisions at $\sqrt{s_{NN}}=56$ and 130 GeV, recently measured at RHIC, is derived. We give predictions for the central particle densities up to…

High Energy Physics - Phenomenology · Physics 2011-03-23 Saul Barshay , Georg Kreyerhoff

Energy and System Size Dependence of Charged Hadron Transverse Momentum Spectra from Cu+Cu and Au+Au Collisions at sqrt(s_(NN)) = 62.4 and 200 GeV

The PHOBOS collaboration has measured transverse momentum distributions of charged hadrons produced in Cu+Cu collisions at sqrt(s_(NN)) = 200 and 62.4 GeV. The nuclear modification factor R_(AA)^(Npart) is calculated relative to p+p data at…

Nuclear Experiment · Physics 2015-06-26 Edward Wenger