热轫致辐射探测多重碎裂系统的热力学状态
核实验
2016-08-15 v1
摘要
研究了五种不同重离子反应（60 A MeV 的 36Ar+197Au、107Ag、58Ni、12C 和 50 A MeV 的 129Xe+120Sn）中的包含性和排他性硬光子（Eγ > 30 MeV）产生，将 TAPS 光子谱仪与覆盖超过 80% 4π 立体角的多个带电粒子多重探测器耦合。测得的谱、斜率参数和源速度及其对靶的依赖性，证实了来自次级核子-核子碰撞的热轫致辐射发射的存在，该发射约占硬光子总产额的 20%。热斜率是反应过程中产生的激发核系统温度的直接度量。
引用
@article{arxiv.nucl-ex/0007006,
title = {Thermal bremsstrahlung probing the thermodynamical state of multifragmenting systems},
author = {D. G. d'Enterria and L. Aphecetche and A. Chbihi and H. Delagrange and J. Díaz and M. J. van Goethem and M. Hoefman and H. Huisman and A. Kugler and H. Loehner and G. Martínez and R. Ortega and R. Ostendorf and S. Schadmand and Y. Schutz and R. Siemssen and D. Stracener and P. Tlusty and R. Turrisi and M. Volkerts and V. Wagner and H. Wilschut and N. Yahlali},
journal= {arXiv preprint arXiv:nucl-ex/0007006},
year = {2016}
}
备注
4 pages, 3 figures, Proceedings CRIS 2000, 3rd Catania Relativistic Ion Studies, "Phase Transitions in Strong Interactions: Status and Perspectives", Acicastello, Italy, May 22-26, 2000 (to be published in Nuc. Phys. A)