Multiplicity distributions and charged-neutral fluctuations

T K Nayak ,F Plášil ,S Pavliouk ,B Batiounia ,C Blume ,J Urbahn ,A Nianine ,A Öskarsson ,H Naef ,G Roland ,H.h Gutbrod ,S.m Eliseev ,H Kalechofsky ,K Yagi ,A Parfenov ,R Mehdiyev ,O Gavrishchuk ,H Löhner ,T Siemiarczuk ,M M Aggarwal ,S K Badyal ,W.h.v Heeringen ,H R Schmidt ,S Nishimura ,S Garpman ,G Shabratova ,V Antonenko ,M Pachr ,J Rak ,D Mukhopadhyay ,R Higuchi ,Bolesław Wysłouch ,V Avdeitchikov ,P Nomokov ,N Kameswara Rao ,D P Morrison ,I Otterlund ,B K Nandi ,S Raniwala ,I Koutcheryaev ,M Šumbera ,G Mgebrichvili ,V Djordjadze ,V Chalyshev ,K El Chenawi ,А В Виноградов ,M.r Dutta Majumdar ,I Doubovik ,J Nystrand ,N Van Eijndhoven ,P Kulinich ,N Slavine ,Y Miake ,S K Nayak ,M D Trivedi ,I Roufanov ,Y Y Lee ,Harald Feldmann ,M Ippolitov ,А Куглер ,E J Buis ,L Carlén ,T Peitzmann ,F Retière ,B Raeven ,V Myalkovski ,D P Mahapatra ,L Barabach ,V Manko ,D Mikhalev ,M L Purschke ,P Foka ,A Lebedev ,V Nikitine ,Masahiro Kurata ,F J M Geurts ,V Petráček ,V Arefiev ,P Dönni ,M.p Decowski ,T Chujo ,K Söderström ,S Neumaier ,S Kees ,I Kosarev ,E Stenlund ,S Sambyal ,B.n Gus'kov ,H Schlagheck ,R Bock ,P.v.k.s Baba ,R Santo ,Bikash Sinha ,I Sibiriak ,V.s Ramamurthy ,E.-M Bohne ,Z Ahammed ,L Tykarski ,H Kim ,A Agnihotri ,N Solomey ,J M Rubio ,K Enosawa ,R Kamermans ,A Tsvetkov ,P W Stankus ,M Vos ,S Kato ,Michel Martin ,В Фролов ,K Kurita ,B Mohanty ,G Sood ,H Å Gustafsson ,T C Awes ,B W Kolb ,Tushar K Ghosh ,D Bucher ,V Astakhov ,A Vodopianov ,A K Dubey ,H Büsching ,G J V Nieusvenhuizen ,A.l.s Angelis ,V S Bhatia ,V Kumar ,S Nikolaev ,G Stefanek ,I Langbein ,A C Das ,A Maximov ,Yusuke Miyamoto ,Susumu Sato ,A Claussen ,F.e Obenshain ,K Reygers ,R Raniwala ,S Bathe ,I Hřivnáčová ,K B Bhalla ,K.h Kampert ,M S Ganti ,Subhasis Chattopadhyay ,L Rosselet ,R Cherbatchev ,P Steinberg ,D Stüken ,N Kuzmin ,R Glasow ,S Fokin ,Y Yokota ,C Twenhöfel ,C Barlag ,A Buijs ,K Karadjev ,Y P Viyogi ,S Sörensen ,Tomas Svensson ,S Vörös ,T Bernier ,A Baldine ,K Karpio ,S K Gupta ,G C Mishra ,G R Young

doi:10.1007/s12043-001-0039-3

Multiplicity distributions and charged-neutral fluctuations

T K Nayak , F Plášil + Show 163 more

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https://doi.org/10.1007/s12043-001-0039-3

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Journal: Pramana	Publication Date: Aug 1, 2001
Citations: 3

Affiliation: Variable Energy Cyclotron Centre, Oak Ridge National Laboratory, Dubna State University, University of Münster, GSI Helmholtz Centre for Heavy Ion Research, Kurchatov Institute, Lund University, University of Geneva, IIT@MIT, Laboratoire de Physique Subatomique et des Technologies Associées, New Chemical Syntheses Institute, Panjab University, University of Jammu, National Institute for Subatomic Physics, University of Tsukuba, University of Tennessee at Knoxville, Institute of Physics, University of Rajasthan

#Charged-neutral Fluctuations #GeV Pb + Show 8 more

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Abstract

Results from the multiplicity distributions of inclusive photons and charged particles, scaling of particle multiplicities, event-by-event multiplicity fluctuations, and charged-neutral fluctuations in 158$\cdot A$ GeV Pb+Pb collisions are presented and discussed. A scaling of charged particle multiplicity as $N_{part}^{1.07\pm 0.05}$ and photons as $N_{part}^{1.12\pm 0.03}$ have been observed, indicating violation of naive wounded nucleon model. The analysis of localized charged-neutral fluctuation indicates a model-independent demonstration of non-statistical fluctuations in both charged particles and photons in limited azimuthal regions. However, no correlated charged-neutral fluctuations are observed.

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