An Implantation and Detection System for Spectroscopy of <sup>22,24</sup>Si

SUN Lijie; XU Xinxing; LIN Chengjian; WANG Jiansong; FANG Deqing; LI Zhihuan; WANG Yuting; LI Jing; YANG Lei; MA Nanru; WANG Kang; ZANG Hongliang; et al.

doi:10.11804/NuclPhysRev.33.02.230

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Article Navigation > Nuclear Physics Review > 2016 > 33(2): 230-234

SUN Lijie, XU Xinxing, LIN Chengjian, WANG Jiansong, FANG Deqing, LI Zhihuan, WANG Yuting, LI Jing, YANG Lei, MA Nanru, WANG Kang, ZANG Hongliang, et al.. An Implantation and Detection System for Spectroscopy of 22,24Si[J]. Nuclear Physics Review, 2016, 33(2): 230-234. doi: 10.11804/NuclPhysRev.33.02.230

Citation:

SUN Lijie, XU Xinxing, LIN Chengjian, WANG Jiansong, FANG Deqing, LI Zhihuan, WANG Yuting, LI Jing, YANG Lei, MA Nanru, WANG Kang, ZANG Hongliang, et al.. An Implantation and Detection System for Spectroscopy of ^22,24Si[J]. Nuclear Physics Review, 2016, 33(2): 230-234. doi: 10.11804/NuclPhysRev.33.02.230

An Implantation and Detection System for Spectroscopy of ^22,24Si

doi: 10.11804/NuclPhysRev.33.02.230

1.
China Institute of Atomic Energy, Beijing 102413, China;
2.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
3.
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;
4.
School of Physic and State Key Laboratory of Nuclear Physics and Technology,
Peking University, Beijing 100871, China

Publish Date: 2016-06-20

Abstract

A new decay detection system with high detection efficiency and low detection threshold has been developed for charged-particle decay studies, including -delayed proton, decay or direct proton emission from proton-rich nuclei. The detection system was tested by using the -delayed proton emitter 24Si and was commissioned in the decay study of 22Si produced by projectile fragmentation at the First Radioactive Ion Beam Line in Lanzhou. Under a continuous-beam mode, the isotopes of interest were implanted into two double-sided silicon strip detectors, where the subsequent decays were measured and correlated to the preceding implantations by using position and time information. The system allows to measure protons with energies down to about 200 keV without obvious background in the proton spectrum. Further application of the detection system can be extended to the measurements of -delayed proton decay and the direct proton emission of other exotic proton-rich nuclei.
- &beta,
- -delayed proton decay,
- direct proton decay,
- double-sided silicon strip detector,
- continuousbeam mode,
- implantation-decay correlation
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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An Implantation and Detection System for Spectroscopy of ^22,24Si

doi: 10.11804/NuclPhysRev.33.02.230

1. China Institute of Atomic Energy, Beijing 102413, China;

2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

3. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;

4. School of Physic and State Key Laboratory of Nuclear Physics and Technology,

Peking University, Beijing 100871, China

Publish Date: 2016-06-20

Key words:

Abstract: A new decay detection system with high detection efficiency and low detection threshold has been developed for charged-particle decay studies, including -delayed proton, decay or direct proton emission from proton-rich nuclei. The detection system was tested by using the -delayed proton emitter 24Si and was commissioned in the decay study of 22Si produced by projectile fragmentation at the First Radioactive Ion Beam Line in Lanzhou. Under a continuous-beam mode, the isotopes of interest were implanted into two double-sided silicon strip detectors, where the subsequent decays were measured and correlated to the preceding implantations by using position and time information. The system allows to measure protons with energies down to about 200 keV without obvious background in the proton spectrum. Further application of the detection system can be extended to the measurements of -delayed proton decay and the direct proton emission of other exotic proton-rich nuclei.

Citation:

SUN Lijie, XU Xinxing, LIN Chengjian, WANG Jiansong, FANG Deqing, LI Zhihuan, WANG Yuting, LI Jing, YANG Lei, MA Nanru, WANG Kang, ZANG Hongliang, et al.. An Implantation and Detection System for Spectroscopy of ^22,24Si[J]. Nuclear Physics Review, 2016, 33(2): 230-234. doi: 10.11804/NuclPhysRev.33.02.230