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Some Aspects of Multiparticle Production in Relativistic Nuclear Collisions

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An attempt is made to study various types of multiplicity distributions and multiplicity correlations amongst secondary charged particles produced in 4.5 and 14.5 A GeV/c 28Si-nucleus interactions. The results reveal that multiplicity correlations of the type , where i, j = b, g, s and h with i ≠ j, are linear. The observed multiplicity correlations are nicely fitted by the method of least squares fitting of the type, = b + ani. Furthermore, the multiplicity distributions of relativistic charged particles and compound multiplicity at 4.5 A GeV/c are nicely fitted by Poisson distributions with peaks at relatively lower multiplicities. However, in the case of multiplicity distributions of various types of secondary charged particles produced in 14.5 A GeV/c 28Si-nucleus collisions definite trends are not discernible.
Cite this paper
Haque, M. , Tariq, M. , Jahan, H. and Hussain, T. (2014) Some Aspects of Multiparticle Production in Relativistic Nuclear Collisions. Journal of Modern Physics, 5, 1353-1359. doi: 10.4236/jmp.2014.514136
 

[1] Schmidt, H.R. and Schükraft, J. (1993) Journal of Nuclear Physics, G19, 1705.
http://dx.doi.org/10.1088/0954-3899/19/11/006
[2] Bradt, H.L. and Peters, B. (1948) Physical Review Letters, 74, 1828.
http://dx.doi.org/10.1103/PhysRev.74.1828
[3] D. Ghosh, A. Deb and Swarnapratim, S. (2011) Journal of Physics G: Nuclear and Particle Physics, 38, Article ID: 065105.
http://dx.doi.org/10.1088/0954-3899/38/6/065105
[4] El-Naghy, A. and Add Allah, N.N. (1994) Turkish Journal of Physics, 18, 1106.
[5] Tariq, M., Zafar, M., Tufail, A. and Ahmad, S. (1995) International Journal of Modern Physics A, E4, Article No. 2347.
http://dx.doi.org/10.1142/S0218301395000109
[6] Alner, G.J., et al. (UA5 Collaboration) (1985) Physics Letters, 160B, 199.
[7] Ghosh, D., Mukhopadhyay, A., Ghosh, A. and Roy, J. (1991) Nuovo Cimento, 104A, 683.
[8] Mukhopadhyay, A., Jain, P.L. and Singh, G. (1993) Nuovo Cimento, A106, 967.
[9] Saleem Khan, M., Khushnood, H., Ansari, A.R. and Usmani, Q.N. (1995) Nuovo Cimento, A108, 147.
http://dx.doi.org/10.1007/BF02816735
[10] El-Nadi, M., El-Nagdy, M.S., Shaat, E.S., Abou-Moussa, Z., Kamel, S. and Abdalla, A.M. (1997) International Journal of  Modern Physics, E6, 135.
http://dx.doi.org/10.1142/S0218301397000093                eww141217lx

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