17.5 GeV/c p-Au碰撞中半包容Lambda和Kshort产生
核实验
2008-11-26 v4
摘要
首次详细测量了p-A碰撞中奇异数产生的中心度依赖性。展示了17.5 GeV/c p-Au碰撞中Lambda和Kshort的dn/dy分布，作为“灰色”径迹多重性和质子估计碰撞次数nu的函数。Lambda产额对nu的依赖性偏离了pp数据按参与者数标度的行为，在nu<=5时增长快于此标度，并在较大nu时饱和。观察到Kshort多重性随nu增长较慢，这与K-Kbar产生的nu依赖性弱于Y-K产生一致。
引用
@article{arxiv.nucl-ex/0003010,
title = {Semi-Inclusive Lambda and Kshort Production in p-Au Collisions at 17.5 GeV/c},
author = {I. Chemakin and V. Cianciolo and B. A. Cole and R. Fernow and A. D. Frawley and M. Gilkes and S. Gushue and E. P. Hartouni and H. Hiejima and M. Justice and J. H. Kang and H. Kirk and N. Maeda and S. Mioduszewski and D. Morrison and M. Moulson and M. N. Namboodiri and G. Rai and K. Read and L. Remsberg and M. Rosati and Y. Shin and R. A. Soltz and S. Sorensen and J. H. Thomas and Y. Torun and D. Winter and X. Yang and W. A. Zajc and Y. Zhang},
journal= {arXiv preprint arXiv:nucl-ex/0003010},
year = {2008}
}
备注
5 pages, 3 figures, formatted with RevTex, current version has enlarged figure catpions