Produced Hadron Spectra in p + p Collisions at √s=200 GeV
Abstract
The rapidity dependence of particle production in high energy p + p collisions can provide important information of parton distribution functions and the transport of baryon number. In addition, p + p collisions provide an elementary reference for heavy ion collisions. Identified charged hadron spectra resulting from p + p collisions at RHIC have been measured over a wide range of rapidity with BRAHMS for √s=200 GeV. We will present the spectra of positive and negative π and p. The spectra are analyzed to extract rapidity densities over the rapidity range from 0 to near 4 which we compare to rapidity distributions of the same species of produced hadrons in Au + Au collisions at the same energy. The proton rapidity densities are used to determine nuclear stopping while the pion yields constrain the total entropy production.
- Publication:
-
APS Division of Nuclear Physics Meeting Abstracts
- Pub Date:
- October 2007
- Bibcode:
- 2007APS..DNP.BD003H