Hadron Yield Correlation in Combination Models in High Energy AA Collisions

摘要

We study the hadron yield correlation in the combination models in highenergy heavy ion collisions. We derive the relationship between the averageyields of different hadrons produced in the combination of a system consistingof equal number of quarks and antiquarks. We present the results for thedirectly produced hadrons as well as those for the final hadrons including thestrong and electromagnetic decay contributions. We also study the net quarkinfluence by considering the case when the number of quarks is larger than thatof the antiquarks. We make comparison with the data wherever possible.