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論文

Detailed spectroscopy of doubly magic $$^{132}$$Sn

Benito, J.*; Fraile, L. M.*; Korgul, A.*; Piersa, M.*; Adamska, E.*; Andreyev, A. N.; $'A$lvarez-Rodr$'i$guez, R.*; 他81名*

Physical Review C, 102(1), p.014328_1 - 014328_18, 2020/07

The structure of the doubly magic $$^{132}_{50}$$Sn$$_{82}$$ has been investigated at the ISOLDE facility at CERN, populated both by the $$beta$$-decay of $$^{132}$$In and $$beta$$--delayed neutron emission of $$^{133}$$In. The level scheme of $$^{132}$$Sn is greatly expanded with the addition of 68 $$gamma$$-ray transitions and 17 levels. The identification of particle-hole multiplets both for protons and neutrons and the transition rates connecting different particle-hole configurations may provide input on the two-body matrix elements and single-particle states for state-of-the-art calculations.

論文

$$beta$$ decay of $$^{133}$$In; $$gamma$$ emission from neutron-unbound states in $$^{133}$$Sn

Piersa, M.*; Korgul, A.*; Benito, J.*; Andreyev, A. N.; 他75名*

Physical Review C, 99(2), p.024304_1 - 024304_10, 2019/02

 被引用回数:3 パーセンタイル:35.18(Physics, Nuclear)

Excited states in $$^{133}$$Sn were investigated through the $$beta$$ decay of $$^{133}$$In at the ISOLDE facility. The ISOLDE Resonance Ionization Laser Ion Source (RILIS) provided isomer-selective ionization for $$^{133}$$In, allowing us to study separately, and in detail, the $$beta$$-decay branch of $$^{133}$$In $$J^{pi}$$ = (9/2$$^{+}$$) ground state and its $$J^{pi}$$ = (1/2$$^{-}$$) isomer. Thanks to the large spin difference of the two $$beta$$-decaying states of $$^{133}$$In, it is possible to investigate separately the lower and higher spin states in the daughter, $$^{133}$$Sn, and thus to probe independently different single-particle and single-hole levels. We report here new $$gamma$$ transitions observed in the decay of $$^{133}$$In, including those assigned to the deexcitation of the neutron-unbound states.

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