Rapidity and Pseudorapidity Distributions of theVarious Hadron-Species Produced in High EnergyNuclear Collisions: A Systematic Approach
Goutam Sau, Aparajita Bhattacharya, Subrata Bhattacharyya
DOI: 10.4236/jmp.2011.211168   PDF   HTML     3,861 Downloads   6,921 Views   Citations


With the help of a phenomenological approach outlined in the text in some detail, we have dealt here with the description of the plots on rapidity and pseudorapidity spectra of some hadron-secondaries produced in various nucleus-nucleus interactions at high energies. The agreement between the measured data and the attempted fits are, on the whole, modestly satisfactory excepting a very narrow central region in the vicinity of y = η = 0. At last, hints to how the steps suggested in the main body of the text to proceed with the description of the measured data given in the plots could lead finally to a somewhat systematic methodology have also been made.

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G. Sau, A. Bhattacharya and S. Bhattacharyya, "Rapidity and Pseudorapidity Distributions of theVarious Hadron-Species Produced in High EnergyNuclear Collisions: A Systematic Approach," Journal of Modern Physics, Vol. 2 No. 11, 2011, pp. 1354-1365. doi: 10.4236/jmp.2011.211168.

Conflicts of Interest

The authors declare no conflicts of interest.


[1] G. Sau, P. Guptaroy, A. C. Das Ghosh and S. Bhattacharyya, “Rapidity Spectra of Heavy Baryons in Nuclear Collisions at Various Energies: A Systematic Approach,” Il Nuovo Cimento B, Vol. 125, No. 11, 2010, pp.1379-1393. doi:10.1393/ncb/i2010-10937-8
[2] M. A. Faessler, “Experiments with α Particles at the CERN Intersecting Storage Rings,” Physical Report, Vol. 115, No. 1-2, 1984, pp. 1-91. doi:10.1016/0370-1573(84)90011-5
[3] T. Peitzmann, “Scaling Properties of Pion Production,” Physics Letters B, Vol. 450, No. 1-3, 1999, pp. 7-14. doi:10.1016/S0370-2693(99)00121-5
[4] H. R. Schmidt and J. Schukraft, “The Physics of Ultra- Relativistic Heavy-Ion Collsion,” Journal of Physics G, Vol. 19, No. 11, 1993, p. 1705. doi:10.1088/0954-3899/19/11/006
[5] W. Thome,' et al., “Charged Particle Multiplicity Distributions in pp Collisions at ISR Energies,” Nuclear Physics B, Vol. 129, No. 3, 1977, pp. 365-389. doi:10.1016/0550-3213(77)90122-5
[6] B. De, S. Bhattacharyya and P.Guptaroy, “Studies in Rapidity and pT-Spectra of Pions in High Energy NN, NA and AA Collisions: A Comprehensive Approach,” International Journal of Modern Physics A, Vol. 17, No. 30, 2002, pp. 4615-4634. doi:10.1142/S0217751X02010704
[7] B. De and S. Bhattacharyya, “Rapidity Spectra of the Particle-Secondaries and a Combinational Approach,” International Journal of Modern Physics A, Vol. 19, No. 14, 2004, pp. 2313-2329. doi:10.1142/S0217751X04018269
[8] S. Bhattacharyya, “EMC Effect: Another Outlook,” Letter Al Nuovo Cimento, Vol. 42, No. 2, 1985, pp. 119-126. doi:10.1007/BF02747002
[9] R. C. Hwa et al., “Effects of Gluon Depletion on J/ψ Suppression in pA and AA Collision,” Physical Review C, Vol. 64, No. 5, 2001, Article ID: 054611. doi:10.1103/PhysRevC.64.054611
[10] G. Sau, S. K. Biswas, A. C. Das Ghosh, A. Bhattacharya and S. Bhattacharyya, “On the Nature of the Rapidity Spectra at RHIC and Some Other Energies,” Il Nuovo Cimento B, Vol. 125, No. 7, 2010, pp. 833-849. doi:10.1393/ncb/i2010-10898-x
[11] L.-X. Sun, et al., “Hadronic Rapidity Spectra in Heavy Ion Collisions at SPS and AGS Energies in Quark Combination Model,” Chinese Physics C, Vol. 33, No. 10, 2009, p. 1. hep-ph/1105.0577 v1 03 May 2011.
[12] L.-W. Chen, et al., “Transport Model Studies of the Baryon-Rich Quark-Gluon Plasma Formed in Heavy Ion Collsions,” Nuclear Theory, 4 March 2011, arXiv:1103.0916.
[13] B. Alver, et al. (PHOBOS Collaboration), “Charged- Particle Multiplicity and Pseudorapidity Distributions Measured with the PHOBOS Detector in Au + Au, Cu + Cu, d + Au and pp Collsions at Ultra Relativistic Energies,” Physical Review C, Vol. 83, No. 2, 2011, Article ID: 024913. doi:10.1103/PhysRevC.83.024913
[14] J. Adams, et al., (STAR Collaboration), “Multiplicity and Pseudorapidity Distributions of Chraged Particles and Photons at Forward Pseudorapidity in Au + Au Collisions at = 62.4 GeV,” Physical Review C, Vol. 73, No. 3, 2006, Article ID: 034906. doi:10.1103/PhysRevC.73.034906

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