Experimental study of beta-delayed proton emission of 37Ca

SUN Lijie; LIN Chengjian; XU Xinxing; WANG Jiansong; JIA Huiming; YANG Feng; YANG Yanyun; YANG Lei; BAO Pengfei; ZHANG Huanqiao; JIN Shilun; HAN Jianlong; WU Zhendong; ZHANG Ningtao; CHEN Size; MA Junbing; MA Peng; MA Nanru; LIU Zuhua; ZHENG Lei

doi:10.11889/j.0253-3219.2014.hjs.37.100509

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Experimental study of beta-delayed proton emission of 37Ca

更新时间：2021-03-03

- Experimental study of beta-delayed proton emission of 37Ca
- NUCLEAR TECHNIQUES Vol. 37, Issue 10, Article number: 100509(2014)
- 作者机构：
  
  1. 中国原子能科学研究院核物理研究所,北京,102413
  2. 中国科学院近代物理研究所,兰州,730000
  3. 中国科学院上海应用物理研究所嘉定园区,上海,201800
  4. 北京航空航天大学物理科学与核能工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2014.hjs.37.100509
  CLC：
- Published：16 October 2014
- 稿件说明：
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SUN Lijie, LIN Chengjian, XU Xinxing, et al. Experimental study of beta-delayed proton emission of 37Ca[J]. Nuclear techniques, 2014, 37(10): 100509
DOI：

SUN Lijie, LIN Chengjian, XU Xinxing, et al. Experimental study of beta-delayed proton emission of 37Ca[J]. Nuclear techniques, 2014, 37(10): 100509 DOI： 10.11889/j.0253-3219.2014.hjs.37.100509.

摘要

对B缓发质子衰变模式的研究已经成为获取极丰质子核及其核结构知识的有力工具。在中国科学院近代物理研究所兰州放射性束流线上开展了37Ca ?B缓发质子发射实验，采用将感兴趣核注入双面硅条探测器测量其关联衰变的实验方法，在连续束模式下测量了37Ca B缓发质子衰变能谱、半衰期、衰变分支比。实验结果与已有文献数据在误差范围内基本符合，证实了我们实验方法的可行性与数据处理程序的可靠性，为下一步开展更近质子滴线核衰变研究积累了经验、创造了条件。

Abstract

Background: The investigation of beta-delayed proton decay mode has become a powerful tool to study the proton-rich nuclei and their nuclear structure. Purpose: The aim is to study exotic nuclei with extremely low production rates and purity. Methods: The experiment of beta-delayed proton emission of 37Ca was performed at the First Radioactive Ion Beam Line in Lanzhou (RIBLL). Ions were implanted into a double-sided silicon detector (DSSD)

where the subsequent decays were correlated to the preceding implantation under a continuous beam-mode. Results: The energy spectrum of delayed protons from 37Ca B decay

half-life and decay branching ratios were measured. Conclusion: The experimental results are in reasonable agreement with the literature

demonstrating the feasibility of our detection approach and the reliability of our data analysis procedure. This allows for development of more powerful detection arrays and further research on nuclei closer to proton-drip line on the basis of present work.Cited

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