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Titolo:
Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets
Autore:
Aggarwal, MM; Agnihotri, A; Ahammed, Z; Angelis, ALS; Antonenko, V; Arefiev, V; Astakhov, V; Avdeitchikov, V; Awes, TC; Baba, PVKS; Badyal, SK; Baldine, A; Barabach, L; Barlag, C; Bathe, S; Batiounia, B; Bernier, T; Bhalla, KB; Bhatia, VS; Blume, C; Bock, R; Bohne, EM; Borocz, Z; Bucher, D; Buijs, A; Busching, H; Carlen, L; Chalyshev, V; Chattopadhyay, S; Cherbatchev, R; Chujo, T; Claussen, A; Das, AC; Decowski, MP; Djordjadze, V; Donni, P; Doubovik, I; Dutt, S; Majumdar, MRD; El Chenawi, K; Eliseev, S; Enosawa, K; Foka, P; Fokin, S; Frolov, V; Ganti, MS; Garpman, S; Gavrishchuk, O; Geurts, FJM; Ghosh, TK; Glasow, R; Gupta, SK; Guskov, B; Gustafsson, HA; Gutbrod, HH; Higuchi, R; Hrivnacova, I; Ippolitov, M; Kalechofsky, H; Kamermans, R; Kampert, KH; Karadjev, K; Karpio, K; Kato, S; Kees, S; Kim, H; Kolb, BW; Kosarev, I; Koutcheryaev, I; Krumpel, T; Kugler, A; Kulinich, P; Kurata, M; Kurita, K; Kuzmin, N; Langbein, I; Lebedev, A; Lee, YY; Lohner, H; Luquin, L; Mahapatra, DP; Manko, V; Martin, M; Maximov, A; Mehdiyev, R; Mgebrichvili, G; Miake, Y; Mikhalev, D; Mir, MF; Mishra, GC; Miyamoto, Y; Morrison, D; Mukhopadhyay, DS; Myalkovski, V; Naef, H; Nandi, BK; Nayak, SK; Nayak, TK; Neumaier, S; Nianine, A; Nikitine, V; Nikolaev, S; Nilsson, P; Nishimura, S; Nomokonov, P; Nystrand, J; Obenshain, FE; Oskarsson, A; Otterlund, I; Pachr, M; Parfenov, A; Pavliouk, S; Peitzmann, T; Petracek, V; Plasil, F; Pinanaud, W; Purschke, ML; Raeven, B; Rak, J; Raniwala, R; Raniwala, S; Ramamurthy, VS; Rao, NK; Retiere, F; Reygers, K; Roland, G; Rosselet, L; Roufanov, I; Roy, C; Rubio, JM; Sako, H; Sambyal, SS; Santo, R; Sato, S; Schlagheck, H; Schmidt, HR; Shabratova, G; Shah, TH; Sibiriak, I; Siemiarczuk, T; Silvermyr, D; Sinha, BC; Slavine, N; Soderstrom, K; Solomey, N; Sorensen, SP; Stankus, P; Stefanek, G; Steinberg, P; Stenlund, E; Stuken, D; Sumbera, M; Svensson, T; Trivedi, MD; Tsvetkov, A; Twenhofel, C; Tykarski, L; Urbahn, J; Von Eijndhoven, N; Von Nieuwenhuizen, GJ; Vinogradov, A; Viyogi, YP; Vodopianov, A; Voros, S; Wyslouch, B; Yagi, K; Yokota, Y; Young, GR;
Indirizzi:
Panjab Univ, Chandigarh 160014, India Panjab Univ Chandigarh India 160014 anjab Univ, Chandigarh 160014, India Univ Rajasthan, Jaipur 302004, Rajasthan, India Univ Rajasthan Jaipur Rajasthan India 302004 pur 302004, Rajasthan, India Ctr Variable Energy Cyclotron, Calcutta 700064, W Bengal, India Ctr Variable Energy Cyclotron Calcutta W Bengal India 700064 engal, India Univ Geneva, CH-1211 Geneva 4, Switzerland Univ Geneva Geneva Switzerland 4 v Geneva, CH-1211 Geneva 4, Switzerland Kurchatov Inst, RRC, RU-123182 Moscow, Russia Kurchatov Inst Moscow Russia RU-123182 st, RRC, RU-123182 Moscow, Russia Joint Inst Nucl Res, RU-141980 Dubna, Russia Joint Inst Nucl Res Dubna Russia RU-141980 Res, RU-141980 Dubna, Russia Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA Oak Ridge Natl Lab Oak Ridge TN USA 37831 tl Lab, Oak Ridge, TN 37831 USA Univ Jammu, Jammu 180001, India Univ Jammu Jammu India 180001Univ Jammu, Jammu 180001, India Univ Munster, D-48149 Munster, Germany Univ Munster Munster Germany D-48149 v Munster, D-48149 Munster, Germany Ecole Mines, SUBATECH, Nantes, France Ecole Mines Nantes FranceEcole Mines, SUBATECH, Nantes, France Gesell Schwerionenforsch GmbH, D-64220 Darmstadt, Germany Gesell Schwerionenforsch GmbH Darmstadt Germany D-64220 rmstadt, Germany Univ Utrecht, NIKHEF, NL-3508 TA Utrecht, Netherlands Univ Utrecht Utrecht Netherlands NL-3508 TA 3508 TA Utrecht, Netherlands Univ Lund, SE-22100 Lund, Sweden Univ Lund Lund Sweden SE-22100Univ Lund, SE-22100 Lund, Sweden Univ Tsukuba, Tsukuba, Ibaraki 305, Japan Univ Tsukuba Tsukuba Ibaraki Japan 305 ukuba, Tsukuba, Ibaraki 305, Japan Inst Nucl Phys, CZ-25068 Rez, Czech Republic Inst Nucl Phys Rez Czech Republic CZ-25068 CZ-25068 Rez, Czech Republic Univ Groningen, KVI, NL-9747 AA Groningen, Netherlands Univ Groningen Groningen Netherlands NL-9747 AA A Groningen, Netherlands Inst Nucl Studies, PL-00681 Warsaw, Poland Inst Nucl Studies Warsaw Poland PL-00681 tudies, PL-00681 Warsaw, Poland MIT, Cambridge, MA 02139 USA MIT Cambridge MA USA 02139MIT, Cambridge, MA 02139 USA Inst Phys, Bhubaneswar 751005, Orissa, India Inst Phys Bhubaneswar OrissaIndia 751005 ubaneswar 751005, Orissa, India Univ Tennessee, Knoxville, TN 37966 USA Univ Tennessee Knoxville TN USA 37966 Tennessee, Knoxville, TN 37966 USA
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 2-3, volume: 458, anno: 1999,
pagine: 422 - 430
SICI:
0370-2693(19990708)458:2-3<422:SOIPPI>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSVERSE-MOMENTUM DISTRIBUTIONS; PHASE-TRANSITION; HADRONIC-INTERACTIONS; NUCLEAR COLLISIONS; S+AU COLLISIONS; MULTIPLICITY; DEPENDENCE; ENERGIES; AGEV; CERN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Aggarwal, MM Panjab Univ, Chandigarh 160014, India Panjab Univ Chandigarh India 160014 handigarh 160014, India
Citazione:
M.M. Aggarwal et al., "Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets", PHYS LETT B, 458(2-3), 1999, pp. 422-430

Abstract

The multiplicity of inclusive photons has been measured on an event-by-event basis for 158.A GeV Pb induced reactions on Ni, Nb, and Pb targets. The systematics of the pseudorapidity densities at midrapidity (rho(max)) and the width of the pseudorapidity distributions have been studied for varying centralities for these collisions. A power law fit to the photon yield as afunction of the number of participating nucleons gives a value of 1.12 +/-0.03 for the exponent. The mean transverse momentum, [p(T)], of photons determined from the ratio of the measured electromagnetic transverse energy and photon multiplicity, remains almost constant with increasing rho(max). Results are compared with model predictions. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

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Documento generato il 28/11/20 alle ore 02:35:49