Identification of a pairing isomeric band inSm152

Investigation of excited 0+ states in 160Er populated via the (p, t) two-neutron transfer reaction

“…This is demonstrated by the strongly-populated 0 + 2 states which emerged in both (p, t) and (t, p) reactions in the N = 90 region [7]. In particular, the cross sections of the first excited L = 0 excitations were comparable to that of their ground states in N = 88 − 90 nuclei, indicating a rapid onset of deformation [7,13].…”

“…Traditionally, deformed nuclei are suggested to have β-vibrational and γ-vibrational bands which result from collective low-lying surface vibrational excitations [1]. Recent data in nuclei near N = 90, such as Gd [2][3][4], Sm [5][6][7][8] and Dy [9][10][11], have put into question whether the nature of low-lying excited 0 + states should be re-examined [12,13].…”

Investigating the nature of the Er isotopes with ( p , t ) reactions

“…As can be seen, the 0 + 2 state is strongly populated in both the (t, p) and (p,t) reactions, whereas the 0 + 3 level is strong in the (t, p), but very weak in the (p,t) reactions. The possible role that the 11 2 − [505] neutron orbital could be playing in these excitations has been highlighted by Kulp et al [6,7] and Sharpey-Schafer et al [12,13].…”

“…[1,2,3,4,5]). Nuclei at or near N = 90 have been studied extensively recently [6,7,8,9,10,11,12,13,14,15,16] since the suggestion that these nuclei could be at the critical point of a quantum shape phase transition [17,18,19,20,21]. The rapid transition observed in the structural signatures, such as the energy ratio of the first 4 + state to that of the first 2 + state, as well as the B(E2; 0…”

N=90region: The decays ofEu152Kulp1, Wood2, Allmond3 et al. 2007Phys. Rev. CSelf Cite420230View full textAdd to dashboardCite

“…(14) 0.0814 (27) 6 + 706.9 316.08 (17) 0.038 (9) 4 + 366.5 656.51 (14) 0.549 (18) 2 + 121.8 901.34 (15) 0.328 (13) 1041.11 (14) 3 − 2.00 (9)/2.25 (7) 4 + 366.5 674.64 (14) 0.656 (21) 2 + 121.8 919.41 (14) 1.59 (5) 1082. 43 (15) 0.077 (4) 4 + 1023.0 210.95 (14) 0.0143 (6) 5 2 + 810.5 423.40 (14) 0.0112 ( (23) 0.0043 (9) 5 0 + 1082.9 209.84 (14) 0.0241 (10) 5 3 − 1041.1 251.65 (14) 0.247 (9) 4 + 1023.0 269.75 (14) 0.0285 (25) 1 − 963.4 329.43 (14) 0.446 (15) 2 + 810.5 482.35 (14) 0.093 (3) 0 + 684.7 608.06 (15) 0.0010 (3) 5 4 + 366.5 926.32 (14) 0.99 (3) 2 + 121.8 1171.20 (20) 0.141 (7) (22) 0.0028 (5) 5 5 − 1221.5 150.20 (14) 0.00370 (24) 5 2 + 1085.9 285.98 (18) 0.037 (6) 3 − 1041.1 330.67 (14) 0.0377 (19) 4 + 1023.0 348.86 (16) 0.0052 (8) 5 2 + 810.5 561.26 (17) 0.0058 (5) 6 + 706.9 664.57 (20) 0.0373 (19) 4 + 366.5 1005.24 (15) 2.38 (8) 2 + 121.8 1249.95 (14) 0.713 (24) 1529.77 (14) 2 − no γ in/94 (4) 2 + 1292.8 237.02 (14) 0.0245 (13) 5 3 + 1233.9 295.99 (14) 1.64 (7) 2 + 1085.9 444.02 (14) 11.0 (4) 3 − 1041.1 488.74 (14) 1.59 (7) 1 − 963.4 566.41 (14) 0.514 (17) 2 + 810.5 719.36 (14) 0.357 (12) 2 + 121.8 1408.04 (14) 78.5 (26) 1579.39 (...…”