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The European Physical Journal A
ISSN: 1434-6001 (printed version)
ISSN: 1434-601X (electronic version)
Abstract Volume 1 Issue 1 (1998) pp 77-83
Critical behaviour in Au fragmentation at 10.7A GeV
M.I. Adamovich (14), M.M. Aggarwal (4), Y.A. Alexandrov (14), R. Amirikas (18), N.P. Andreeva (1), F.A. Avetyan (22), S.K. Badyal (8), A.M. Bakich (18), E.S. Basova (19), K.B. Bhalla (7), A. Bhasin (8), V.S. Bhatia (4), V.G. Bogdanov (15), V. Bradnova (6), V.I. Bubnov (1), X. Cai (21), I.Y. Chasnikov (1), G.M. Chen (2), L.P. Chernova (20), M.M. Chernyavski (14), S. Dhamija (4), A.S. Gaitinov (1), E.R. Ganssauge (13), S. Garpman (12), S.G. Gerassimov (14), J. Grote (16), K.G. Gulamov (20), S.K. Gupta (7), V.K. Gupta (8), M. Haiduc (3), U. Henjes (13), B. Jakobsson (12), L. Just (10), E.K. Kanygina (1), M. Karabova (9), L. Karlsson (12), S.P. Kharlamov (14), A.D. Kovalenko (6), S.A. Krasnov (6), V. Kumar (7), V.G. Larionova (14), Y.X. Li (5), L.S. Liu (21), Z.G. Liu (5), S. Lokanathan (7), J.J. Lord (16), N.S. Lukicheva (20), Y. Lu (2), S.B. Luo (11), L.K. Mangotra (8), I. Manhas (8), N.A. Marutyan (22), A.K. Musaeva (1), S.Z. Nasyrov (19), V.S. Navotny (20), J. Nystrand (12), G.I. Orlova (14), I. Otterlund (12), L.S. Peak (18), N.G. Peresadko (14), V.A. Plyushchev (15), W.Y. Qian (21), Y.M. Qin (11), R. Raniwala (7), N.K. Rao (8), J.-T. Rhee (17), M. Roeper (13), V.V. Rusakova (6), N. Saidkhanov (20), N.A. Salmanova (14), L.G. Sarkisova (22), V.R. Sarkisyan (22), A.M. Seitimbetov (1), R. Sethi (4), C.I. Shakhova (1), B. Singh (7), D. Skelding (16), K. Söderström (12), E. Stenlund (12), L.N. Svechnikova (20), N.A. Tawfik (13), M. Tothova (9), M.I. Tretyakova (14), T.P. Trofimova (19), U.I. Tuleeva (19), S. Vokal (9), J. Vrlakova (9), H.Q. Wang (12)(21), S.H. Wang (2), X.R. Wang (21), Z.Q. Weng (5), R.J. Wilkes (16), C.B. Yang (21), D.H. Zhang (11), P.Y. Zheng (2), S.I. Zhokhova (20), D.C. Zhou (21)EMU01-Collaboration
(1) High Energy Physics Institute, Almaty, Kazakstan
(2) Institute of High Energy Physics, Academia Sinica, Beijing, China
(3) Institute for Gravitation and Space Research, Bucharest, Romania
(4) Department of Physics, Panjab University, Chandigarh, India
(5) Department of Physics, Hunan Education Institute, Changsha, Hunan, China
(6) Laboratory of High Energies, Joint Institute for Nuclear Research (JINR), Dubna, Russia
(7) Department of Physics, University of Rajasthan, Jaipur, India
(8) Department of Physics, University of Jammu, Jammu, India
(9) Department of Nuclear Physics and Biophysics, Safarik University, Kosice, Slovakia
(10) Institute of Experimental Physics, Slovak Academy of Sciences, Kosice, Slovakia
(11) Department of Physics, Shanxi Normal University, Linfen, Shanxi, China
(12) Department of Physics, University of Lund, Lund, Sweden
(13) F.B. Physik, Philipps University, Marburg, Germany
(14) Lab. of Cosmic Physics, P.N. Lebedev Institute of Physics, Moscow, Russia
(15) V.G. Khlopin Radium Institute, St. Petersburg, Russia
(16) Department of Physics, University of Washington, Seattle, Washington, USA
(17) Department of Physics, Kon-Kuk University, Seoul, Korea
(18) School of Physics, University of Sydney, Sydney, Australia
(19) Lab. of Relativistic Nuclear Physics, Institute of Nuclear Physics, Tashkent, Uzbekistan
(20) Lab. of High Energies, Physical-Technical Institute, Tashkent, Uzbekistan
(21) Institute of Particle Physics, Hua-Zhong Normal University, Wuhan, Hubei, China
(22) Yerevan Physics Institute, Yerevan, Armenia
Received: 23 September 1997
Abstract. The complete charge distribution of products from Au nuclei fragmenting in nuclear emulsion at 10.7A GeV has been measured. Multiplicities of produced particles and particles associated with the target source are used to select peripheral and central events. A statistical analysis, based on event-by-event charge distributions, show that a population of subcritical, critical and supercritical events, i.e. a phase transition like behaviour, is observed among peripheral collisions.
PACS: 25.75.-q Relativistic heavy-ion collisions
Communicated by B. Povh
Online publication: January 23, 1998
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