近阈值产生多奇异数$\Xi^-$超子
核实验
2008-11-26 v2
摘要
通过重建其衰变产物和（后者也通过其子径迹和p重建），测量了6 AGeV Au+Au碰撞中多奇异数超子的产额。该测量非常接近产生的阈值，因此为模型预测提供了重要检验。将不同中心度下测得的和产额进行了比较。在中心碰撞中，发现产额与统计模型和输运模型预测高度一致，表明在高重子密度核物质中，多奇异数强子产生接近化学平衡。
引用
@article{arxiv.nucl-ex/0302021,
title = {Near-threshold production of the multi-strange $\Xi^-$ hyperon},
author = {P. Chung and N. N. Ajitanand and J. M. Alexander and M. Anderson and D. Best and F. P. Brady and T. Case and W. Caskey and D. Cebra and J. L. Chance and B. Cole and K. Crowe and A. C. Das and J. E. Draper and M. L. Gilkes and S. Gushue and M. Heffner and A. S. Hirsch and E. L. Hjort and W. Holzmann and L. Huo and M. Issah and M. Justice and M. Kaplan and D. Keane and J. C. Kintner and J. Klay and D. Krofcheck and R. A. Lacey and J. Lauret and M. A. Lisa and H. Liu and Y. M. Liu and J. Milan and R. McGrath and Z. Milosevich and G. Odyniec and D. L. Olson and S. Panitkin and N. T. Porile and G. Rai and H. G. Ritter and J. L. Romero and R. Scharenberg and B. Srivastava and N. T. B Stone and T. J. M. Symons and A. Taranenko and J. Whitfield and T. Wienold and R. Witt and L. Wood and W. N. Zhang and H. Oeschler},
journal= {arXiv preprint arXiv:nucl-ex/0302021},
year = {2008}
}
备注
Submitted to PRL