Flow effects in high-energy nucleus collisions with Ag(Br) in emulsion |
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| Authors: | M. I. Adamovich N. P. Andreeva E. S. Basova V. Bradnová V. I. Bubnov M. M. Chernyavsky A. S. Gaitinov K. G. Gulamov M. Haiduc D. Hasegan L. Just E. K. Kanygina S. P. Kharlamov A. D. Kovalenko S. A. Krasnov A. Kravcčáková V. G. Larionova I. A. Lebedev O. V. Levitskaya N. S. Lukicheva A. K. Musaeva S. Z. Nasyrov V. S. Navotny G. I. Orlova N. G. Peresadko L. N. Philippova V. A. Plyushchev V. V. Rusakova N. Saidkhanov N. A. Salmanova A. M. Seitimbetov M. I. Tretyakova T. P. Trofimova S. Vokál J. Vrláková P. I. Zarubin S. I. Zhokhova |
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| Affiliation: | (1) Lebedev Institute of Physics, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 117924, Russia;(2) Energy Physics Institute, Almaty, Kazakhstan;(3) Institute of Nuclear Physics, Tashkent, Uzbekistan;(4) Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia;(5) Physical-Technical Institute, Tashkent, Uzbekistan;(6) Institution of Gravitation and Space Research, Bucharest, Romania;(7) Institute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovakia;(8) Department of Nuclear Physics, Šafárik University, Košice, Slovakia;(9) Petersburg Nuclear Physics Institute, Russian Academy of Sciences, Gatchina, 188350, Russia;(10) Khlopin Radium Institute, St. Petersburg, Russia |
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| Abstract: | Various flow phenomena observed by a unique emulsion method are reviewed. The experimental data of the emission of projectile and target fragments and relativistic particles in collisions of 1–160 A GeV/c 16O, 22Ne, 28Si, 32S, 84Kr, 197Au, and 208Pb nuclei with 108Ag (80Br) targets are investigated. The transverse-momentum approach, the flow-angle analysis using principal vectors, the azimuthal correlation functions, the method of azimuthal correlations between charged secondaries, and the method of Fourier expansion of the azimuthal angle distributions are applied. Evidence of the directed flow of spectators has been obtained in the medium-impact nuclear interactions. In azimuthal distributions, with respect to the reaction plane, the signal of the elliptic flow of participants has been observed. |
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