1.76A GeV Ar+KCl反应中的深亚阈值$\Xi^-$产生
核实验
2009-10-29 v1
摘要
我们报告了在重离子反应中双奇异超子深亚阈值产生的首批结果。在1.76A GeV的束流能量下，利用SIS18/GSI的高接受度双电子谱仪(HADES)研究了Ar+KCl反应。收集了高统计量、高纯度的样本，从而能够研究衰变道。推导出的产生比为，显著大于现有模型预测值。
引用
@article{arxiv.0907.3582,
title = {Deep sub-threshold $\Xi^-$ production in Ar+KCl reactions at 1.76A GeV},
author = {G. Agakishiev and A. Balanda and R. Bassini and D. Belver and A. V. Belyaev and A. Blanco and M. Böhmer and J. L. Boyard and P. Braun-Munzinger and P. Cabanelas and E. Castro and S. Chernenko and T. Christ and M. Destefanis and J. Díaz and F. Dohrmann and A. Dybczak and T. Eberl and L. Fabbietti and O. V. Fateev and P. Finocchiaro and P. Fonte and J. Friese and I. Fröhlich and T. Galatyuk and J. A. Garzón and R. Gernhäuser and A. Gil and C. Gilardi and M. Golubeva and D. González-Díaz and F. Guber and T. Hennino and R. Holzmann and I. Iori and A. Ivashkin and M. Jurkovic and B. Kämpfer and K. Kanaki and T. Karavicheva and D. Kirschner and I. Koenig and W. Koenig and B. W. Kolb and R. Kotte and F. Krizek and R. Krücken and W. Kühn and A. Kugler and A. Kurepin and S. Lang and J. S. Lange and K. Lapidus and T. Liu and L. Lopes and M. Lorenz and L. Maier and A. Mangiarotti and J. Markert and V. Metag and B. Michalska and J. Michel and D. Mishra and E. Morinière and J. Mousa and C. Müntz and L. Naumann and J. Otwinowski and Y. C. Pachmayer and M. Palka and Y. Parpottas and V. Pechenov and O. Pechenova and J. Pietraszko and W. Przygoda and B. Ramstein and A. Reshetin and M. Roy-Stephan and A. Rustamov and A. Sadovsky and B. Sailer and P. Salabura and A. Schmah and Yu. G. Sobolev and S. Spataro and B. Spruck and H. Ströbele and J. Stroth and C. Sturm and M. Sudol and A. Tarantola and K. Teilab and P. Tlusty and M. Traxler and R. Trebacz and H. Tsertos and V. Wagner and M. Weber and M. Wisniowski and T. Wojcik and J. Wüstenfeld and S. Yurevich and Y. V. Zanevsky and P. Zhou},
journal= {arXiv preprint arXiv:0907.3582},
year = {2009}
}
备注
4 pages, including 4 figures