CERN SPS 上铟-铟碰撞中的低质量双μ子产生
核实验
2007-05-23 v1
摘要
NA60 是 CERN SPS 上的一个固定靶实验，测量了原子核-原子核和质子-原子核碰撞中的双μ子产生。本文中我们报道了 158 AGeV 铟-铟碰撞中低质量μ子对的精密测量。在预期来自中性介子衰变的产额之上观测到了显著的超出。得益于优异的质量分辨率和大的样本量，该超出可通过扣减预期源而得以分离。
引用
@article{arxiv.nucl-ex/0606023,
title = {Low Mass Dimuon Production in Indium-Indium Collisions at the CERN SPS},
author = {NA60 Collaboration and M. Floris and 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. de Falco and A. Devaux and A. Dress and L. Ducroux and J. Farjeix and H. En'yo and A. Ferretti and A. Förster and P. Force and N. Guettet and A. Guichard and H. Gulkanian and J. Heuser and M. Keil and L. Kluberg and J. Lozano and C. Lourenço 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. Wöhri},
journal= {arXiv preprint arXiv:nucl-ex/0606023},
year = {2007}
}
备注
4 pages, 3 figures, Contribution at XLIst Rencontres de Moriond, "QCD and High Energy Hadronic Interactions"