Fifty two high energy cosmic ray interactions in graphite have been analysed. The analysis strongly suggests that some of the characteristics of high energy interactions are dependent on the total transverse momentum,Σp_t, of allγ-rays in an interaction. Out of the 52 events analysed, 29 haveΣp_t⩽2.5 GeV/c and the rest haveΣp_t>2.5 GeV/c; the former are called smallp_t events while the latter are designated as largep_t events. For these two types of events, the characteristics investigated are: (a) fractional energy distribution ofγ-rays, (b) the invariant mass ofγ-rays and (c) the energy distribution ofγ-rays in the emission system.