158 GeV/核子的In-In碰撞中J/$\psi$压低
核实验
2008-11-26 v1
摘要
NA60实验研究了158 AGeV铟-铟碰撞中的J/产生。本文给出利用完整可用统计量及改进的顶点跟踪器对齐所获得的更新结果。仅基于J/样本的分析技术得到的J/产生 centrality 依赖表明，In-In碰撞中存在超出核吸收所引起的压低，其起始于约80个参与者核子。讨论了与该测量相关的系统误差的初步研究。我们还给出J/方位角分布的初步结果。
引用
@article{arxiv.nucl-ex/0701033,
title = {J/$\psi$ suppression in In-In collisions at 158 GeV/nucleon},
author = {R. Arnaldi and NA60 Collaboration R. Arnaldi and R. Averbeck and K. Banicz and J. Castor and B. Chaurand and C. Cicalo' and A. Colla and P. Cortese and S. Damjanovic and A. David and A. DeFalco and A. Devaux and A. Drees and L. Ducroux and H. En'yo and A. Ferretti and M. Floris and A. Forster and P. Force and N. Guettet and A. Guichard and H. Gulkanian and J. Heuser and M. Keil and L. Kluberg and C. Lourenco and J. Lozano and F. Manso and A. Masoni and P. Martins and A. Neves and H. Ohnishi and C. Oppedisano and P. Parracho and P. Pillot and G. Puddu and E. Radermacher and P. Ramalhete and P. Rosinsky and E. Scomparin and J. Seixas and S. Serci and R. Shahoyan and P. Sonderegger and H. J. Specht and R. Tieulent and G. Usai and R. Veenhof and H. K. Wohri},
journal= {arXiv preprint arXiv:nucl-ex/0701033},
year = {2008}
}
备注
8 pages, 3 figures, proceedings of Hard Probes 2006 International Conference