Distributions Of Rapidity Intervals Jet Ranges And Maximum Rapidity Gaps In Proton Proton Interactions At 200 Gev C PDF Download

Preliminary data are presented on [pi]-production in inclusive pp interactions at 200 GeV/c using the NAL 30-inch bubble chamber and downstream wide-gap spark chambers. Correlations between [pi]−'s are studied. No strong short-range correlation effect is seen in contrast to ISR results. Further details of the physical characteristics of the hybrid system and track reconstruction are described in accompanying papers. In this paper they present preliminary results on correlations between [pi]−'s in 200 GeV/c pp interactions obtained from the NAL 30-inch bubble chamber-wide gap spark chamber hybrid system. The physical characteristics of the hybrid system and track reconstruction are described in accompanying papers. The data came from a film sample of 5,000 pictures. By selecting frames with no upstream bubble chamber wall interactions and with the number of beam tracks less than 15, they have obtained 596 events (1604 negative tracks) from all topologies in the first measurement pass. By detecting high momentum secondaries in the spark chambers, they have obtained a complete momentum spectra in the entire range of kinematic variables.