Skip to main content

Centrality dependence of pseudorapidity spectra of charged particles produced in the nucleus–nucleus collisions at high energies

Indian Journal of Physics volume 88, pages 723–726 (2014)Cite this article

Abstract

We have analyzed the pseudorapidity spectra of charged relativistic particles with β > 0.7 produced in Pb + Em (at energy 158 A GeV) reactions as a function of centrality. The relativistic nucleus beams were obtained from SPS machine. The number of g-particles (particles with 0.23 ≤ β ≤ 0.7) has been used to fix the centrality. We have applied the maximum entropy method to analyses the spectra and found some selected pseudorapidity values—nontrivial structure.

This is a preview of subscription content, access via your institution.

Access options

Buy single article

Instant access to the full article PDF.

USD 39.95

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5

References

  1. J D Bjorken Phys. Rev. D 27 140 (1983)

    Article  ADS  Google Scholar 

  2. F H Liu and Y A Panebratsev Nucl. Phys. A 641 379 (1998)

    Article  ADS  Google Scholar 

  3. F H Liu and Y A Panebratsev Phys. Rev. C 59 1798 (1999)

    Article  ADS  Google Scholar 

  4. F-H Liu Phys. Rev. C 69 067901 (2004)

    Article  ADS  Google Scholar 

  5. B Z Belashev et al Chine Phys. C 35 1095 (2011)

    Article  ADS  Google Scholar 

  6. B Z Belashev Appl. Spectros. 68 838 (2001)

    Article  Google Scholar 

  7. M A Jafarizadeh, N Fouladi, H Sabri and B R Maleki Indian J. Phys. 87 919 (2013)

    Google Scholar 

  8. B Z Belashev Int. J Microstructure Mater. Properties 4 320 (2009)

    Article  Google Scholar 

  9. M K Suleymanov J. Proc. Science. 54 043 (2012)

    Google Scholar 

  10. V P Dyakonov Wavelet From Theory to Practice (Moscow: Solon) p 217 (2002)

    Google Scholar 

  11. M Mitchell An Introduction to Genetic Algorithms (Cambridge: MIT Press) p 158 (1999)

  12. G Musulmanbekov Preprint JINR p2-99-59 Dubna (1999)

  13. F H Liu Phys. Rev. C 78 014902 (2008)

    Article  ADS  Google Scholar 

  14. J X Sun, F H Liu, E Q Wang, Y Sun and Z Sun Phys. Rev. C 83 014001 (2011)

    Article  ADS  Google Scholar 

  15. E Q Wang, Y H Chen, B C Li and F H Liu Indian J. Phys. 87 793 (2013)

    Article  ADS  Google Scholar 

  16. L N Gao, Y H Chen, H R Wei and F H Liu Adv. High Energy Phys. 2013 450247 (2013)

Download references

Acknowledgments

Financial support from the Riphah Academy of Research and Education (RARE) Riphah International University Islamabad is cordially acknowledged.

Author information

Authors and Affiliations

  1. Department of Basic Sciences, Riphah International University, Islamabad, Pakistan

    Z. Wazir, A. Zahir & M. Tufail

  2. COMSATS Institute of Information Technology, Islamabad, Pakistan

    M. K. Suleymanov

  3. Institute of Geology, Karelian Research Center, Russian Academy of Sciences, St. Petrozavodsk, Russia

    M. K. Suleymanov & B. Z. Belashev

  4. P. J. Šafárik University Košice, Kosice, Slovakia

    S. Vokal & J. Vrláková

  5. Department of Physics, International Islamic University, Islamabad, Pakistan

    S. Mehmood

  6. Department of Physics, Abdul Wali Khan University, Mardan, Pakistan

    M. Ajaz

  7. H.M. Abdullayev Institute of Physics, NAS Baku, Azerbaijan

    Sh. Khalilova

Authors
  1. Z. Wazir
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. M. K. Suleymanov
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. B. Z. Belashev
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. S. Vokal
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. J. Vrláková
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. A. Zahir
    View author publications

    You can also search for this author in PubMed Google Scholar

  7. S. Mehmood
    View author publications

    You can also search for this author in PubMed Google Scholar

  8. M. Ajaz
    View author publications

    You can also search for this author in PubMed Google Scholar

  9. Sh. Khalilova
    View author publications

    You can also search for this author in PubMed Google Scholar

  10. M. Tufail
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Z. Wazir.

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Wazir, Z., Suleymanov, M.K., Belashev, B.Z. et al. Centrality dependence of pseudorapidity spectra of charged particles produced in the nucleus–nucleus collisions at high energies. Indian J Phys 88, 723–726 (2014). https://doi.org/10.1007/s12648-014-0462-1

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s12648-014-0462-1

Keywords

  • Pseudorapidity
  • Relativistic particles
  • Centrality
  • g-Particles

PACS Nos.

  • 24.60.Lz
  • 29.27.−a
  • 25.60.Lg