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Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar

徐晓栋 I. Mukha L. Acosta E. Casarejos A. A. Ciemny W. Dominik et al.

徐晓栋, I. Mukha, L. Acosta, E. Casarejos, A. A. Ciemny, W. Dominik, et al.. Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar[J]. 原子核物理评论, 2016, 33(2): 197-202. doi: 10.11804/NuclPhysRev.33.02.197
引用本文: 徐晓栋, I. Mukha, L. Acosta, E. Casarejos, A. A. Ciemny, W. Dominik, et al.. Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar[J]. 原子核物理评论, 2016, 33(2): 197-202. doi: 10.11804/NuclPhysRev.33.02.197
XU Xiaodong, I. Mukha, L. Acosta, E. Casarejos, A. A. Ciemny, W. Dominik, et al.. Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar[J]. Nuclear Physics Review, 2016, 33(2): 197-202. doi: 10.11804/NuclPhysRev.33.02.197
Citation: XU Xiaodong, I. Mukha, L. Acosta, E. Casarejos, A. A. Ciemny, W. Dominik, et al.. Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar[J]. Nuclear Physics Review, 2016, 33(2): 197-202. doi: 10.11804/NuclPhysRev.33.02.197

Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar

doi: 10.11804/NuclPhysRev.33.02.197

Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar

  • 摘要: An experiment aimed to investigate the two-proton (2p) decay of the previously unknown nucleus 30Ar was performed at GSI: By tracking the decay products in-flight with silicon micro-strip detectors, the 2p decays of 30Ar were observed for the first time. For the calibration purpose, 2p decays of 19Mg were also remeasured by tracking the coincident 17Ne+p+p trajectories. By comparing the measured angular p-17Ne correlations with those obtained from the corresponding Monte Carlo simulations, the simultaneous 2p decay of 19Mg ground state and the sequential 2p emission of several known excited states of 19Mg were confirmed. One new excited state in 19Mg and two new excited states in 18Na were observed.
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  • 刊出日期:  2016-06-20

Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar

doi: 10.11804/NuclPhysRev.33.02.197

摘要: An experiment aimed to investigate the two-proton (2p) decay of the previously unknown nucleus 30Ar was performed at GSI: By tracking the decay products in-flight with silicon micro-strip detectors, the 2p decays of 30Ar were observed for the first time. For the calibration purpose, 2p decays of 19Mg were also remeasured by tracking the coincident 17Ne+p+p trajectories. By comparing the measured angular p-17Ne correlations with those obtained from the corresponding Monte Carlo simulations, the simultaneous 2p decay of 19Mg ground state and the sequential 2p emission of several known excited states of 19Mg were confirmed. One new excited state in 19Mg and two new excited states in 18Na were observed.

English Abstract

徐晓栋, I. Mukha, L. Acosta, E. Casarejos, A. A. Ciemny, W. Dominik, et al.. Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar[J]. 原子核物理评论, 2016, 33(2): 197-202. doi: 10.11804/NuclPhysRev.33.02.197
引用本文: 徐晓栋, I. Mukha, L. Acosta, E. Casarejos, A. A. Ciemny, W. Dominik, et al.. Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar[J]. 原子核物理评论, 2016, 33(2): 197-202. doi: 10.11804/NuclPhysRev.33.02.197
XU Xiaodong, I. Mukha, L. Acosta, E. Casarejos, A. A. Ciemny, W. Dominik, et al.. Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar[J]. Nuclear Physics Review, 2016, 33(2): 197-202. doi: 10.11804/NuclPhysRev.33.02.197
Citation: XU Xiaodong, I. Mukha, L. Acosta, E. Casarejos, A. A. Ciemny, W. Dominik, et al.. Revisit to Two-Proton Radioactivity of 19Mg and Observation of Two-Proton Decay of 30Ar[J]. Nuclear Physics Review, 2016, 33(2): 197-202. doi: 10.11804/NuclPhysRev.33.02.197

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