M. Derrick et al., MEASUREMENT OF MULTIPLICITY AND MOMENTUM SPECTRA IN THE CURRENT FRAGMENTATION REGION OF THE BREIT FRAME AT HERA, Zeitschrift fur Physik. C, Particles and fields, 67(1), 1995, pp. 93-107
Charged particle production has been measured in Deep Inelastic Scatte
ring (DIS) events using the ZEUS detector over a large range of Q(2) f
rom 10 to 1280 GeV2 The evolution with Q of the charged multiplicity a
nd scaled momentum has been investigated in the current fragmentation
region of the Breit frame. The data are used to study QCD coherence ef
fects in DIS and are compared with corresponding e(+)e(-) data in orde
r to test the universality of quark fragmentation.