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Isomer spectroscopy in $$^{133}$$Ba and high-spin structure of $$^{134}$$Ba

$$^{133}$$Baにおけるアイソマー分光と$$^{134}$$Baの高スピン構造

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.*; Arnswald, K.*; Bazzacco, D.*; Birkenbach, B.*; Blazhev, A.*; Bracco, A.*; Bruyneel, B.*; Corradi, L.*; Crespi, F. C. L.*; de Angelis, G.*; Droste, M.*; Eberth, J.*; Esmaylzadeh, A.*; Farnea, E.*; Fioretto, E.*; Fransen, C.*; Gadea, A.*; Giaz, A.*; G$"o$rgen, A.*; Gottardo, A.*; Hady$'n$ska-Kl$c{e}$k, K.*; Hess, H.*; Hirsch, R.*; John, P. R.*; Jolie, J.*; Jungclaus, A.*; Karayonchev, V.*; Kornwebel, L.*; Korten, W.*; Leoni, S.*; Lewandowski, L.*; Lunardi, S.*; Menegazzo, R.*; Mengoni, D.*; Michelagnoli, C.*; Mijatovi$'c$, T.*; Montagnoli, G.*; M$"u$ller-Gatermann, C.*; Napoli, D. R.*; Podoly$'a$k, Zs.*; Pollarolo, G.*; Recchia, F.*; R$'e$gis, J.-M.*; Saed-Samii, N.*; $c{S}$ahin, E.*; Scarlassara, F.*; Schomacker, K.*; Seidlitz, M.*; Siebeck, B.*; S$"o$derstr$"o$m, P.-A.*; Stefanini, A. M.*; Stezowski, O.*; Szilner, S.*; Szpak, B.*; 照屋 絵理*; Ur, C. A.*; Ur, C. A.*; Valiente-Dob$'o$n, J. J.*; Wolf, K.*; 柳瀬 宏太*; 吉永 尚孝*; Zell, K. O.*

Kaya, L.*; Vogt, A.*; Reiter, P.*; Siciliano, M.*; Shimizu, Noritaka*; Utsuno, Yutaka; Wang, H.-K.*; Gargano, A.*; Coraggio, L.*; Itaco, N.*; Arnswald, K.*; Bazzacco, D.*; Birkenbach, B.*; Blazhev, A.*; Bracco, A.*; Bruyneel, B.*; Corradi, L.*; Crespi, F. C. L.*; de Angelis, G.*; Droste, M.*; Eberth, J.*; Esmaylzadeh, A.*; Farnea, E.*; Fioretto, E.*; Fransen, C.*; Gadea, A.*; Giaz, A.*; G$"o$rgen, A.*; Gottardo, A.*; Hady$'n$ska-Kl$c{e}$k, K.*; Hess, H.*; Hirsch, R.*; John, P. R.*; Jolie, J.*; Jungclaus, A.*; Karayonchev, V.*; Kornwebel, L.*; Korten, W.*; Leoni, S.*; Lewandowski, L.*; Lunardi, S.*; Menegazzo, R.*; Mengoni, D.*; Michelagnoli, C.*; Mijatovi$'c$, T.*; Montagnoli, G.*; M$"u$ller-Gatermann, C.*; Napoli, D. R.*; Podoly$'a$k, Zs.*; Pollarolo, G.*; Recchia, F.*; R$'e$gis, J.-M.*; Saed-Samii, N.*; $c{S}$ahin, E.*; Scarlassara, F.*; Schomacker, K.*; Seidlitz, M.*; Siebeck, B.*; S$"o$derstr$"o$m, P.-A.*; Stefanini, A. M.*; Stezowski, O.*; Szilner, S.*; Szpak, B.*; Teruya, Eri*; Ur, C. A.*; Ur, C. A.*; Valiente-Dob$'o$n, J. J.*; Wolf, K.*; Yanase, Kota*; Yoshinaga, Naotaka*; Zell, K. O.*

$$^{133,134}$$Baの高スピン状態を$$^{136}textrm{Xe}+^{208}textrm{Pb}$$および$$^{13}textrm{C}+^{124}textrm{Sn}$$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。$$^{133}$$Baの1942keVのアイソマーの寿命を66.6(20)nsと決定し、$$^{134}$$Baの$$10^+$$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、$$^{134}$$Baの$$10^+$$$$12^+$$の間隔や$$12^+$$$$14^+$$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。

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