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Volume 34 Issue 3
Jul.  2017
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Article Navigation >  Nuclear Physics Review  > 2017  >  34(3): 414-419

ZENG Qi, WANG Meng, ZHANG Yuhu, TU Xiaolin, XU Xing, CHEN Ruijiu, CHEN Xiangcheng, FU Chaoyi, HUANG Wenjia, LIU Junhao, LI Hongfu, SI Min, SHUAI Peng, SUN Mingze, XING Yuanming, YAN Xinliang, YANG Jiancheng, YUAN Youjin, ZHANG Peng, ZHANG Wei, ZHOU Xiaohong, XU Hushan, XIAO Guoqing. Study on the Decay of the Fully Stripped Ion 94mRu44+[J]. Nuclear Physics Review, 2017, 34(3): 414-419. doi: 10.11804/NuclPhysRev.34.03.414
Citation: ZENG Qi, WANG Meng, ZHANG Yuhu, TU Xiaolin, XU Xing, CHEN Ruijiu, CHEN Xiangcheng, FU Chaoyi, HUANG Wenjia, LIU Junhao, LI Hongfu, SI Min, SHUAI Peng, SUN Mingze, XING Yuanming, YAN Xinliang, YANG Jiancheng, YUAN Youjin, ZHANG Peng, ZHANG Wei, ZHOU Xiaohong, XU Hushan, XIAO Guoqing. Study on the Decay of the Fully Stripped Ion 94mRu44+[J]. Nuclear Physics Review, 2017, 34(3): 414-419. doi: 10.11804/NuclPhysRev.34.03.414
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Study on the Decay of the Fully Stripped Ion 94mRu44+

doi: 10.11804/NuclPhysRev.34.03.414
  • 1.

    University of Science and Technology of China, Hefei 230026, China;

  • 2.

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

  • 3.

    University of Chinese Academy of Sciences, Beijing 100049, China

Funds:  National Natural Science Foundation of China(U1232208, U1432125, 11205205, 11035007); National Basic Research Program of China(2013CB834401); National Key Program for Sci.&Tech. Research and Development(2016YFA0400504)
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  • Corresponding author: 10.11804/NuclPhysRev.34.03.414
  • Received Date: 2016-12-07
  • Rev Recd Date: 2017-03-02
  • Publish Date: 2017-07-18
  • The decay of the fully stripped ion 94mRu44+ in the order of one hundred microseconds has been studied for the first time by using the Isochronous Mass Spectrometry (IMS) at the HIRFL-CSR facility in Lanzhou. 94mRu44+ was produced via projectile fragmentation of a 112Sn primary beam bombarding on a 9Be production target. After the in-flight separation with RIBLL2, the ions were injected into the experimental ring (CSRe) and then stored there. The revolution times of the stored ions were measured by a Time-of-Flight (TOF) detector. Due to the mass change of a 94mRu44+ ion caused by its de-excitation to the ground state, hence the revolution time change, the decay process of 94mRu44+ could be directly observed in the CSRe. The sensitive window for detection of the decay events and the measurement precision of the decay time have been determined in this work. At the same time, we measured the mass of short-lived 94mRu44+ with the half-life about one hundred microseconds, which is the shortest among nuclides that have been studied by using storage-ring mass-spectrometry.
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Study on the Decay of the Fully Stripped Ion 94mRu44+

doi: 10.11804/NuclPhysRev.34.03.414
  • 1. University of Science and Technology of China, Hefei 230026, China;
  • 2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
  • 3. University of Chinese Academy of Sciences, Beijing 100049, China
Funds:  National Natural Science Foundation of China(U1232208, U1432125, 11205205, 11035007); National Basic Research Program of China(2013CB834401); National Key Program for Sci.&Tech. Research and Development(2016YFA0400504)
    Corresponding author: 10.11804/NuclPhysRev.34.03.414
  • Received Date: 2016-12-07
  • Rev Recd Date: 2017-03-02
  • Publish Date: 2017-07-18

Abstract: The decay of the fully stripped ion 94mRu44+ in the order of one hundred microseconds has been studied for the first time by using the Isochronous Mass Spectrometry (IMS) at the HIRFL-CSR facility in Lanzhou. 94mRu44+ was produced via projectile fragmentation of a 112Sn primary beam bombarding on a 9Be production target. After the in-flight separation with RIBLL2, the ions were injected into the experimental ring (CSRe) and then stored there. The revolution times of the stored ions were measured by a Time-of-Flight (TOF) detector. Due to the mass change of a 94mRu44+ ion caused by its de-excitation to the ground state, hence the revolution time change, the decay process of 94mRu44+ could be directly observed in the CSRe. The sensitive window for detection of the decay events and the measurement precision of the decay time have been determined in this work. At the same time, we measured the mass of short-lived 94mRu44+ with the half-life about one hundred microseconds, which is the shortest among nuclides that have been studied by using storage-ring mass-spectrometry.

ZENG Qi, WANG Meng, ZHANG Yuhu, TU Xiaolin, XU Xing, CHEN Ruijiu, CHEN Xiangcheng, FU Chaoyi, HUANG Wenjia, LIU Junhao, LI Hongfu, SI Min, SHUAI Peng, SUN Mingze, XING Yuanming, YAN Xinliang, YANG Jiancheng, YUAN Youjin, ZHANG Peng, ZHANG Wei, ZHOU Xiaohong, XU Hushan, XIAO Guoqing. Study on the Decay of the Fully Stripped Ion 94mRu44+[J]. Nuclear Physics Review, 2017, 34(3): 414-419. doi: 10.11804/NuclPhysRev.34.03.414
Citation: ZENG Qi, WANG Meng, ZHANG Yuhu, TU Xiaolin, XU Xing, CHEN Ruijiu, CHEN Xiangcheng, FU Chaoyi, HUANG Wenjia, LIU Junhao, LI Hongfu, SI Min, SHUAI Peng, SUN Mingze, XING Yuanming, YAN Xinliang, YANG Jiancheng, YUAN Youjin, ZHANG Peng, ZHANG Wei, ZHOU Xiaohong, XU Hushan, XIAO Guoqing. Study on the Decay of the Fully Stripped Ion 94mRu44+[J]. Nuclear Physics Review, 2017, 34(3): 414-419. doi: 10.11804/NuclPhysRev.34.03.414
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