质子-核碰撞中软核轫致辐射的抑制
核实验
2008-11-26 v1
摘要
在190 MeV质子与轻核和重核的反应中，测量了直至运动学极限的光子能谱，以研究多次散射过程对光子产生的影响。相对于基于准自由产生机制的模型预测，在光子谱的低能区观察到轫致辐射的强烈抑制。我们将此效应归因于核介质中核子多次散射导致的光子振幅干涉。
引用
@article{arxiv.nucl-ex/0111021,
title = {Suppression of soft nuclear bremsstrahlung in proton-nucleus collisions},
author = {M. J. van Goethem and L. Aphecetche and J. C. S. Bacelar and H. Delagrange and J. Diaz and D. d'Enterria and M. Hoefman and R. Holzmann and H. Huisman and N. Kalantar--Nayestanaki and A. Kugler and H. Loehner and G. Martinez and J. G. Messchendorp and R. W. Ostendorf and S. Schadmand and R. H. Siemssen and R. S. Simon and Y. Schutz and R. Turrisi and M. Volkerts and H. W. Wilschut},
journal= {arXiv preprint arXiv:nucl-ex/0111021},
year = {2008}
}
备注
12 pages, 3 figures, submitted to Phys. Rev. Lett