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Kaya, L.*; Vogt, A.*; Reiter, P.*; Siciliano, M.*; 清水 則孝*; 宇都野 穣; Wang, H.-K.*; Gargano, A.*; Coraggio, L.*; Itaco, N.*; et al.
Physical Review C, 100(2), p.024323_1 - 024323_18, 2019/08
被引用回数:13 パーセンタイル:73.82(Physics, Nuclear)Baの高スピン状態を
および
反応によって生成し、そこからの脱励起ガンマ線を観測した。
Baの1942keVのアイソマーの寿命を66.6(20)nsと決定し、
Baの
よりの高スピン状態を見つけた。この結果を殻模型計算と比較し、
Baの
と
の間隔や
と
の間隔が広がるなどの特徴が計算によってよく再現できることがわかった。
Rgis, J.-M.*; Jolie, J.*; Saed-Samii, N.*; Warr, N.*; Pfeiffer, M.*; Blanc, A.*; Jentschel, M.*; K
ster, U.*; Mutti, P.*; Soldner, T.*; et al.
Physical Review C, 90(6), p.067301_1 - 067301_4, 2014/12
被引用回数:24 パーセンタイル:79.41(Physics, Nuclear)A smooth onset of collectivity in Kr has been determined from reported
and E(2
) values. This is in contrast to the sudden onset in even-even Zr, Mo, and Sr isotopes. Our objective was to complete the systematics by determining the
value in
Kr, which was produced by cold-neutron-induced fission of
U. The lifetime of the 2
state in
Kr was measured via the electronic
timing technique using the EXILL and FATIMA spectrometers. Based on the measured mean lifetime of
= 15(10) ps, the
value of 13
W.u. in
Kr is determined for the first time and the smooth onset of deformation in the even-even Kr isotopes beyond neutron number N=50 is confirmed.