A multilayer ΔE-ER telescope for breakup reactions at energies around the Coulomb barrier

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Nan-Ru Ma, Cheng-Jian Lin, Jian-Song Wang, Lei Yang, Dong-Xi Wang, Lei Zheng, Shi-Wei Xu, Li-Jie Sun, Hui-Ming Jia, Jun-Bing Ma, Peng Ma, Shi-Lun Jin, Zhen Bai, Yan-Yun Yang, Xin-Xing Xu, Gao-Long Zhang, Feng Yang, Jian-Jun He, Huan-Qiao Zhang and Zu-Hua Liu. A multilayer ΔE-ER telescope for breakup reactions at energies around the Coulomb barrier[J]. Chinese Physics C, 2016, 40(11): 116004. doi: 10.1088/1674-1137/40/11/116004
Nan-Ru Ma, Cheng-Jian Lin, Jian-Song Wang, Lei Yang, Dong-Xi Wang, Lei Zheng, Shi-Wei Xu, Li-Jie Sun, Hui-Ming Jia, Jun-Bing Ma, Peng Ma, Shi-Lun Jin, Zhen Bai, Yan-Yun Yang, Xin-Xing Xu, Gao-Long Zhang, Feng Yang, Jian-Jun He, Huan-Qiao Zhang and Zu-Hua Liu. A multilayer ΔE-ER telescope for breakup reactions at energies around the Coulomb barrier[J]. Chinese Physics C, 2016, 40(11): 116004.  doi: 10.1088/1674-1137/40/11/116004 shu
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Received: 2016-05-13
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    Supported by National Key Basic Research Development Program of China (2013CB834404) and National Natural Science Foundation of China (11375268, 11475263, U1432127, U1432246)

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A multilayer ΔE-ER telescope for breakup reactions at energies around the Coulomb barrier

    Corresponding author: Cheng-Jian Lin,
  • 1.  China Institute of Atomic Energy, Beijing 102413, China
  • 2.  Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 3.  School of Physics and Nuclear Energy Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
Fund Project:  Supported by National Key Basic Research Development Program of China (2013CB834404) and National Natural Science Foundation of China (11375268, 11475263, U1432127, U1432246)

Abstract: The breakup reactions of weakly-bound nuclei at energies around the Coulomb barrier and the corresponding coupling effect on the other reaction channels are hot topics nowadays. To overcome the difficulty in identifying both heavier and lighter fragments simultaneously, a new kind of ionization-chamber based detector telescope has been designed and manufactured. It consists of a PCB ionization chamber and three different thickness silicon detectors installed inside the chamber, which form a multilayer ΔE-ER telescope. The working conditions were surveyed by using an α source. An in-beam test experiment shows that the detector has good particle identification for heavy particles like 17F and 16O as well as light particles like protons and alpha particles. The measured quasi-elastic scattering angular distribution and the related discussions for 17F+208Pb are presented.

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