LEVEL SPIN AND MOMENTS OF INERTIA IN SUPERDEFORMED NUCLEI NEAR A = 194

被引:48
作者
BECKER, JA
ROY, N
HENRY, EA
YATES, SW
KUHNERT, A
DRAPER, JE
KORTEN, W
BEAUSANG, CW
DELEPLANQUE, MA
DIAMOND, RM
STEPHENS, FS
KELLY, WH
AZAIEZ, F
CIZEWSKI, JA
BRINKMAN, MJ
机构
[1] UNIV CALIF DAVIS,DAVIS,CA 95616
[2] RUTGERS STATE UNIV,DEPT PHYS,NEW BRUNSWICK,NJ 08903
基金
美国国家科学基金会;
关键词
D O I
10.1016/0375-9474(90)91146-I
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Experimental transition energies in the superdeformed (SD) bands near A = 190 are least-squares fit to rotational model formulae in order to extract level spin. the data set includes 16 SD bands, which show no evidence of either irregular behavior near the bottom of the bands or abrupt angular momentum alignment at low hw. The 9 transitions lowest in energy in each band are well described by the formulae. The fitted spin of the final state in the gamma-ray cascade is within +/- 0.1h of an integer or half-odd integer for 13 of the bands. The weight of the evidence suggests that meaningful level spins corresponding to these transitions can be inferred. The moment of inertia at w = 0 is correlated, with J = 88.3(5)h2/MeV and J = 93.4(5)h2/MeV for the strong and weak bands, respectively.
引用
收藏
页码:C187 / C194
页数:8
相关论文
共 18 条
[1]  
AZAIEZ F, IN PRESS
[2]   OBSERVATION OF SUPERDEFORMED BANDS IN HG-194 [J].
BEAUSANG, CW ;
HENRY, EA ;
BECKER, JA ;
ROY, N ;
YATES, SW ;
DELEPLANQUE, MA ;
DIAMOND, RM ;
STEPHENS, FS ;
DRAPER, JE ;
KELLY, WH ;
BURDE, J ;
MCDONALD, RJ ;
RUBEL, E ;
BRINKMAN, MJ ;
CIZEWSKI, JA ;
AKOVALI, YA .
ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 1990, 335 (03) :325-330
[3]   OBSERVATION OF SUPERDEFORMATION IN HG-192 [J].
BECKER, JA ;
ROY, N ;
HENRY, EA ;
DELEPLANQUE, MA ;
BEAUSANG, CW ;
DIAMOND, RM ;
DRAPER, JE ;
STEPHENS, FS ;
CIZEWSKI, JA ;
BRINKMAN, MJ .
PHYSICAL REVIEW C, 1990, 41 (01) :R9-R12
[4]  
BONCHE P, 1989, NUCL PHYS A, V500, P309
[5]   SUPERDEFORMATION IN LEAD NUCLEI [J].
BRINKMAN, MJ ;
KUHNERT, A ;
HENRY, EA ;
BECKER, JA ;
YATES, SW ;
DIAMOND, RM ;
DELEPLANQUE, MA ;
STEPHENS, FS ;
KORTEN, W ;
AZAIEZ, F ;
KELLY, WH ;
DRAPER, JE ;
BEAUSANG, CW ;
RUBEL, E ;
CIZEWSKI, JA .
ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 1990, 336 (01) :115-116
[6]  
CARPENTER MP, IN PRESS
[7]   SUPERDEFORMATION NEAR A=190 [J].
CHASMAN, RR .
PHYSICS LETTERS B, 1989, 219 (2-3) :227-231
[8]   COLLECTIVE STRUCTURE OF I-PI=0+ SHAPE ISOMERS IN THE HG-190, HG-192, HG-194 ISOTOPES [J].
DELAROCHE, JP ;
GIROD, M ;
LIBERT, J ;
DELONCLE, I .
PHYSICS LETTERS B, 1989, 232 (02) :145-150
[9]  
DRAPER JE, IN PRESS
[10]  
DRIGERT MW, IN PRESS