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Deformation of the proton emitter Cs-113 from electromagnetic transition and proton-emission rates

机译:从电磁过渡和质子排放速率的质子发射器CS-113的变形

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摘要

The lifetime of the (11/2(+)) state in the band above the proton-emitting (3/2(+)) state in Cs-113 has been measured to be tau = 24(6) ps from a recoil-decay-tagged differential-plunger experiment. The measured lifetime was used to deduce the deformation of the states using wave functions from a nonadiabatic quasiparticle model to independently calculate both proton-emission and electromagnetic gamma-ray transition rates as a function of deformation. The only quadrupole deformation, which was able to reproduce the experimental excitation energies of the states, the electromagnetic decay rate of the (11/2(+)) state and the proton-emission rate of the (3/2(+)) state, was found to be beta(2) = 0.22(6). This deformation is in agreement with the earlier proton emission studies which concluded that Cs-113 was best described as a deformed proton emitter, however, it is now more firmly supported by the present measurement of the electromagnetic transition rate.
机译:在CS-113中的质子发射(3/2(+))状态上方的带中的(11/2(+))状态的寿命已经测量,从反冲中测量了Tau = 24(6)ps 衰减标记的差分柱塞实验。 测量的寿命用于使用来自非等级Quaparticle模型的波函数来推导各种的变形,以独立地计算作为变形的函数的质子发射和电磁伽马射线过渡率。 唯一能够再现状态的实验激发能量的唯一四倍体变形,(11/2(+))状态和质子发射率(3/2(+))状态的电磁衰减率 发现β(2)= 0.22(6)。 这种变形与先前的质子发射研究一致,所述质子排放研究得出结论,即CS-113最好被描述为变形的质子发射器,然而,现在更牢固地支持电磁过渡率的测量。

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  • 来源
    《Physical review, C》 |2016年第3期|共8页
  • 作者单位

    Univ Manchester Sch Phys &

    Astron Schuster Bldg Manchester M13 9PL Lancs England;

    Univ Manchester Sch Phys &

    Astron Schuster Bldg Manchester M13 9PL Lancs England;

    Univ Manchester Sch Phys &

    Astron Schuster Bldg Manchester M13 9PL Lancs England;

    Univ Manchester Sch Phys &

    Astron Schuster Bldg Manchester M13 9PL Lancs England;

    Univ Lisbon Ctr Fis &

    Engn Mat CeFEMA Av Rovisco Pais P-1049001 Lisbon Portugal;

    Dipartimento Fis &

    Astron G Galilei Via Marzolo 8 I-35131 Padua Italy;

    Univ West Scotland Sch Engn &

    Comp Paisley PA1 2BE Renfrew Scotland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Cologne Inst Kernphys D-50937 Cologne Germany;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ West Scotland Sch Engn &

    Comp Paisley PA1 2BE Renfrew Scotland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Manchester Sch Phys &

    Astron Schuster Bldg Manchester M13 9PL Lancs England;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Liverpool Oliver Lodge Lab Dept Phys Liverpool L69 7ZE Merseyside England;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ West Scotland Sch Engn &

    Comp Paisley PA1 2BE Renfrew Scotland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

    Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 原子核物理学、高能物理学;
  • 关键词

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