  A study of multiplicity distribution of singly charged, doubly charged, multi
charged projectile fragments and shower particles have been carried out for the
peripheral collisions in 16O-emulsion,22Ne-emulsion and 28Si-emulsion
interactions at an incident momentum of (4.1-4.5) AGeV/c. Events having no
target fragments have been designated as peripheral collision events.
Percentage of peripheral events has been found to increase with the increase of
projectile mass. Dispersion of the multiplicity distribution and its dependence
on projectile mass for projectile fragments and shower particles has also been
investigated. Dependence of average multiplicity of projectile fragments and
shower particles on the mass of the projectile beam has been studied. Study of
different fragmentation mode during the emission of multi charged projectile
fragments has also been carried out.
