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Characteristics of disintegration of different emulsion nuclei by relativistic 28Si nuclei at 3.7 A GeV

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Abstract

An analysis of the data based on 924 inelastic interaction events induced by 28Si nuclei in a nuclear emulsion is presented. The nuclear fragmentation process is studied by analysing the total charge (Q) distribution of the projectile spectators for different emulsion target groups along with the comparison of Monte Carlo Glauber model results. Probability distributions for total disintegrated events as a function of different projectile masses are shown and compared with cascade evaporation model results at same energy per nucleon. Further, mean multiplicities of different charged secondaries for different classes of events are presented and for each event, variation of mean multiplicities as a function of total charge (Q) is also presented. The pseudorapidity distributions and normalized pseudorapidity distributions of the produced charged particles in nucleus–nucleus collisions at 3.7 A GeV are analysed for total disintegration (TD) as well as minimum-bias events.

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Acknowledgement

Ashwini Kumar sincerely acknowledges the Council of Scientific and Industrial Research (CSIR), New Delhi for providing a research grant. BKS is thankful for DST and ISRO-SSPS grant.

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Authors and Affiliations

  1. High Energy Physics Laboratory, Department of Physics, Banaras Hindu University, Varanasi, 221 005, India

    ASHWINI KUMAR, A PRAKASH & B K SINGH

  2. Department of Applied Science (Physics), Vidya College of Engineering, Meerut, 250 010, India

    ASHOK KUMAR

  3. Department of Physics, Faculty of Humanities, Physics and Mathematical Sciences, Shobhit University, Meerut, 250 110, India

    R K JAIN

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  1. ASHWINI KUMAR
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  2. A PRAKASH
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Correspondence to ASHWINI KUMAR.

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KUMAR, A., PRAKASH, A., KUMAR, A. et al. Characteristics of disintegration of different emulsion nuclei by relativistic 28Si nuclei at 3.7 A GeV. Pramana - J Phys 84, 591–608 (2015). https://doi.org/10.1007/s12043-014-0849-8

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