Study of the Cluster Characteristics in Hadron-Nucleus Interactions at Ultrahigh Cosmic Ray Energies

Ghosh, Dipak; Roy, J.; Naha, S.; Sengupta, Kaushik; Basu, Madhumita

doi:10.1143/jpsj.50.2799

Cited by 8 publications

(5 citation statements)

References 5 publications

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“…Furthermore, we may also see from the table that the value of the slope parameter B, which provides a measure of the strength of the correlation, decreases with the increase in the number of particles in a cluster and the value of B is not only independent of the target size but also independent of the nature and energy of the incident particle in each type of correlation. Thus, our findings are in fine agreement with the results reported by Dipak et al (9) in hadron-nucleus interactions at cosmic ray energies -1 TeV.…”

Section: Resultssupporting

confidence: 93%

“…(16) that the slope parameter D is strongly dependent on the target size, but is almost independent of the energy of the incident particle, whereas Dipak et al (9) have observed that this parameter does not depend on the target size. It may be seen from Table 1 that the slope parameter D is independent of the target size as well as the energy of the impinging hadron.…”

Section: Resultsmentioning

confidence: 99%

“…The results obtained in the present analysis have been compared with those obtained in hadron-hadron and hadron-nucleus interactions at cosmic ray energies (7,9). It may be noted that such a comparison is quite useful from the point of view of understanding the mechanism of multiparticle production in hadron-hadron and hadronnucleus interactions.…”

Section: Introductionmentioning

confidence: 82%

“…Several investigators (1)(2)(3)(4)(5)(6)(7)(8)(9)(10) have attempted to investigate the dynamics of cluster production in hadron-hadron and hadron-nucleus interactions at cosmic ray energies. These studies have revealed that the particles tend to form clusters in the intermediate stage, prior to their decay as shower particles.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Characteristics of clusters produced in particle–nucleus interactions at 24, 50, and 400 GeV

Khushnood¹,

Shakeel²,

Irfan³

et al. 1985

Can. J. Phys.

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Some useful and interesting characteristics of clusters produced in 24 and 400 GeV p-nucleus and 50 GeV a--nucleus interactions have been investigated. The maximum number of charged shower pions constituting a cluster is three at 24 GeV, whereas at 50 GeV and beyond, this number is observed to be four. Further, the results reveal that the cluster size is independent of the star size, nature, and energy of the incident hadron beyond 50 GeV projectile energy. This observation is in accord with the "big hadron" approach suggested for explaining multiparticle production where the centre of the nucleus is visualized to behave like a "big hadron" and the interaction is envisaged to proceed via hadron -"big hadron" collisions. On a CtudiC certaines caractkristiques utiles et intkressantes des amas produits lors des interactions entre noyaux et protons de 24 et 400 GeV, ainsi qu'entre noyaux et a-de 50 GeV. Le nombre maximum de pions chargCs constituant un amas est trois a 24GeV, alors qu'i 50 GeV et au-dela, on observe que ce nombre est Cgal i quatre. Les rCsultats rCv&lent de plus que la grosseur de l'amas est indipendante de la grosseur de I'Ctoile, ainsi que de la nature et de I'tnergie du hadron incident lorsque I'Cnergie du projectile dCpasse 50 GeV. Cette observation est en accord avec I'approche "gros hadron" suggCrCe pour expliquer la production de particules multiples, approche dans laquelle on considere que le centre du noyau se comporte comme un "gros hadron" et que I'interaction procede par collisions entre hadrons et "gros hadrons."[Traduit par le journal]Can.

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Section: Resultssupporting

confidence: 93%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Characteristics of clusters produced in particle–nucleus interactions at 24, 50, and 400 GeV

Khushnood¹,

Shakeel²,

Irfan³

et al. 1985

Can. J. Phys.

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“…Several investigators (15)(16)(17)(18)(19)(20)(21)(22)(23)(24) have observed that the study of the dynamics of cluster formation and their sizes in highenergy hadronic interactions might reveal useful clues in the understanding of the mechanism of multiparticle production. Many workers are of the opinion that the particles produced in the intermediate stage show a tendency to form clusters; these clusters thereafter decay into charged shower particles.…”

Section: Introductionmentioning

confidence: 99%

Some interesting aspects of total disintegration of heavy emulsion nuclei at high energies

Khushnood¹,

Shakeel²,

Irfan³

et al. 1986

Can. J. Phys.

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Analysis of the events having Nh 2 28 produced in 50 GeV pion (T)--Em and 400 GeV proton (p)-Em interactions and the results obtained at different incident energies reveal that the probability of total disintegration of the target nuclei and the value of (N,) strongly depend on the mass of the incident particle as well as the target nuclei. This probability is observed to be independent of the energy of the projectile in p-Em reactions but not in ern collisions. The mean normalized multiplicity, R4, calculated in terms of the created charged particles, is independent of the identity and energy of the impinging hadron beyond -20 Gev. Furthermore, the values of ( T ) and D(T) are observed to depend weakly on the energy of the projectile. The maximum number of charged particles constituting a cluster is observed to be four at both incident energies; the characteristics of clusters are observed to be independent of the nature and energy of the impinging hadron.L'analyse des Cvenements avec Nh 2 28 produits dans les interactions de T-de 50 GeV ou de p de 400 MeV avec des noyaux lourds dans les Cmulsions, ainsi que les rCsultats obtenus a differentes tnergies incidentes, rCv2lent que la probabilitt d'une dCsintCgration totale des noyaux cibles et la valeur de (N,) dependent de la masse de la particule incidente aussi bien que des noyaux cibles, alors qu'on observe que cette probabilitC est indtpendante de 1'Cnergie du projectile dans le cas des reactions p mais non pas dans le cas des collisions T-. La multiplicitC normalisCe moyenne, R4, calculCe en termes des particules chargees qui sont crCCes, est independante de l'identite et de l'energie du hadron incident au-dell d'environ 20 GeV. On observe de plus que les valeurs de ( v ) et D ( q ) dependent faiblement de 1'Cnergie du projectile. On observe aussi que le nombre maximum de particules chargtes constituant un amas est quatre pour les deux Cnergies incidentes, et que les caractkristiques des amas sont indkpendantes de la nature et de 1'Cnergie du hadron incident.[Traduit par le journal]Can. J. Phys. 64, 320 (1986)

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Many-pion correlation observed in16O-AgBr interaction at 2.1 GeV/c/Nucleon

et al. 1989

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Study of the Cluster Characteristics in Hadron-Nucleus Interactions at Ultrahigh Cosmic Ray Energies

Cited by 8 publications

References 5 publications

Characteristics of clusters produced in particle–nucleus interactions at 24, 50, and 400 GeV

Characteristics of clusters produced in particle–nucleus interactions at 24, 50, and 400 GeV

Some interesting aspects of total disintegration of heavy emulsion nuclei at high energies

Many-pion correlation observed in16O-AgBr interaction at 2.1 GeV/c/Nucleon

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