MITA: A Multilayer Ionization-chamber Telescope Array for low-energy reactions with exotic nuclei
MITA: A Multilayer Ionization-chamber Telescope Array for low-energy reactions with exotic nuclei
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MITA：多层电离室望远镜阵列，用于奇异核的低能反应
DOI：
10.1140/epja/i2019-12765-7
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发表时间：
2019-06
期刊：
影响因子：
--
通讯作者：
G.
中科院分区：
文献类型：
--
作者：
N.R. Ma;L. Yang;C.J. Lin;H. Yamaguchi;D.X. Wang;L.J. Sun;M. Mazzocco;H.M. Jia;S. Hayakawa;D. Kahl;S.M. Cha;G.X. Zhang;F. Yang;Y.Y. Yang;C. Signorini;Y. Sakaguchi;K. Abe;M. La Commara;D. Pierroutsakou;C. Parasc;olo;E. Strano;A. Kim;K.Y. Chae;M.S. Kwag;G.
我们报告了一种新的，便携式的带电粒子探测器阵列的发展与低检测阈值研究的能量在库仑势垒周围的外来核系统的反应机制。为了同时识别轻、重粒子，该阵列由10个望远镜单元组成，其中每个望远镜单元由4个探测层组成：一个电离室，一个40（或60）μm双面硅条探测器和两个四象限硅探测器，厚度分别为300μm和1000（或1500）μm。电离室的框架创新地设计有印刷电路板，因此每个伸缩单元的质量显著减小，从而减轻了对地球仪周围不同放射性离子束线的运输和安装要求。调试实验的重点是阐明17F +58Ni和17F +208Pb系统中遇到的几种反应机制，我们证明了该阵列具有足够的能力，使带电粒子识别在大范围的Z。轻粒子如p、d以及重离子如16O和17F都能被清楚地分辨出来。考虑到这些特性，这种新开发的阵列能够深入研究奇异核与不同同位素碰撞中所表现出的新型反应机制。
We report on the development of a new, portable detector array for charged particles with a low detection threshold to study the reaction mechanisms of exotic nuclear systems at energies around the Coulomb barrier. In order to identify both light and heavy particles simultaneously, the array consists of ten units of-telescopes, where each one is made up of four detection layers: one ionization chamber, one 40 (or 60)μm double-sided silicon strip detector and two quadrant silicon detectors with thicknesses of 300μm and 1000 (or 1500)μm, respectively. The frame of the ionization chamber is innovatively designed with printed circuit boards, thus the mass of each telescopic unit was reduced significantly which eases transport and installation requirements to different radioactive ion beam lines around the globe. The commissioning experiments focused on elucidating several reaction mechanisms encountered in the17F +58Ni and17F +208Pb systems, and we demonstrated that the array has a sufficient capability to enable charged particle identification over a large range ofZ. Light particles likep,d,as well as heavy ions like16O and17F can be clearly distinguished. Considering these properties, this newly developed array enables in-depth investigation of the novel reaction mechanisms which are manifested in the collisions of exotic nuclei with differing isotopes.
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DOI：
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发表时间：
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