400AMeV^(12)C诱发乳胶核反应α射弹碎片的角分布  

Angular Distribution of α Projectile Fragments in 400AMeV^(12)C Induced Latex Nuclear Reaction

作　　者：杨文锦 郑素华 韦仙 段振兴 YANG Wen-jin;ZHENG Su-hua;WEI Xian;DUAN Zhen-xing(Department of Science,Taiyuan Institute of Technology,Taiyuan Shanxi,030008)

机构地区：[1]太原工业学院理学系,山西太原030008

出　　处：《山西大同大学学报（自然科学版）》2022年第2期16-17,55,共3页Journal of Shanxi Datong University(Natural Science Edition)

基　　金：太原工业院级青年科学基金项目[2019-11]。

摘　　要：中高能区核-核碰撞中,α射弹碎片角分布和横动量分布需用分布宽度不同的双高斯分布叠加来进行描述,而在高能区则可以用一个高斯分布进行描述。实验采用400 A MeV^(12)C射弹诱发乳胶核反应,对这一规律进一步进行了验证。所用的粒子能量处于中高能区,得到的角分布和横动量分布符合双高斯分布叠加,可用双温度发射图像来解释。In nucleus-nucleus collisions in the middle and high energy region, the angular distribution and transverse momentum distribution of α projectile fragments can be described by the superposition of double Gaussian distributions with different distribution widths, while in the high energy region, it can be described by a Gaussian distribution. The emulsion nuclear reaction induced by 400AMe V^(12)C projectile was used to further verify this law. The particle energy used is in the middle and high energy region, and the angular distribution and transverse momentum distribution obtained accord with the superposition of double Gaussian distribution, which can be explained by double temperature emission image.

关 键 词：α射弹碎片 角分布 横动量分布 

分 类 号：O571.6[理学—粒子物理与原子核物理]