1ST OBSERVATION OF COLLECTIVE DIPOLE ROTATIONAL BANDS IN THE NEUTRON-DEFICIENT BISMUTH NUCLEI

被引:27
作者
CLARK, RM
WADSWORTH, R
AZAIEZ, F
BEAUSANG, CW
BRUCE, AM
DAGNALL, PJ
FALLON, P
JONES, PM
JOYCE, MJ
KORICHI, A
PAUL, ES
SHARPEYSCHAFER, JF
机构
[1] INST PHYS NUCL,F-91406 ORSAY,FRANCE
[2] UNIV LIVERPOOL,OLIVER LODGE LAB,LIVERPOOL L69 3BX,ENGLAND
[3] UNIV BRIGHTON,DEPT MATH SCI,BRIGHTON BN2 4GJ,ENGLAND
关键词
D O I
10.1088/0954-3899/19/4/001
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
The nucleus 202Bi was populated via the (Pt(B,5n)Bi)-Pt-196-B-11-Bi-202 reaction at a beam energy of 75 MeV. Three regular sequences of magnetic dipole transitions have been found. A comparison is made with the known DELTAI = 1 rotational bands seen in the neighbouring Pb nuclei. An interpretation in terms of collective oblate configurations involving high-K proton and alignable neutron orbitals is suggested.
引用
收藏
页码:L57 / L62
页数:6
相关论文
共 13 条
[1]   OBLATE COLLECTIVE BANDS IN PB-199 AND PB-200 [J].
BALDSIEFEN, G ;
HUBEL, H ;
MEHTA, D ;
RAO, BVT ;
BIRKENTAL, U ;
FROHLINGSDORF, G ;
NEFFGEN, M ;
NENOFF, N ;
PANCHOLI, SC ;
SINGH, N ;
SCHMITZ, W ;
THEINE, K ;
WILLSAU, P ;
GRAWE, H ;
HEESE, J ;
KLUGE, H ;
MAIER, KH ;
SCHRAMM, M ;
SCHUBART, R ;
MAIER, HJ .
PHYSICS LETTERS B, 1992, 275 (3-4) :252-258
[2]   ROTATIONAL BANDS IN PB-201 [J].
BALDSIEFEN, G ;
HUBEL, H ;
AZAIEZ, F ;
BOURGEOIS, C ;
HOJMAN, D ;
KORICHI, A ;
PERRIN, N ;
SERGOLLE, H .
ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 1992, 343 (02) :245-246
[3]   COLLECTIVE DIPOLE ROTATIONAL BANDS IN PB-197 [J].
CLARK, RM ;
WADSWORTH, R ;
PAUL, ES ;
BEAUSANG, CW ;
ALI, I ;
ASTIER, A ;
CULLEN, DM ;
DAGNALL, PJ ;
FALLON, P ;
JOYCE, MJ ;
MEYER, M ;
REDON, N ;
REGAN, PH ;
SHARPEYSCHAFER, JF ;
NAZAREWICZ, W ;
WYSS, R .
ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 1992, 342 (03) :371-372
[4]   1ST OBSERVATION OF A COLLECTIVE DIPOLE ROTATIONAL BAND IN THE A APPROXIMATELY 200 MASS REGION [J].
CLARK, RM ;
WADSWORTH, R ;
PAUL, ES ;
BEAUSANG, CW ;
ALI, I ;
ASTIER, A ;
CULLEN, DM ;
DAGNALL, PJ ;
FALLON, P ;
JOYCE, MJ ;
MEYER, M ;
REDON, N ;
REGAN, PH ;
NAZAREWICZ, W ;
WYSS, R .
PHYSICS LETTERS B, 1992, 275 (3-4) :247-251
[5]  
CLARK RM, IN PRESS, P64603
[6]   COEXISTENCE OF COLLECTIVE OBLATE AND SUPERDEFORMED PROLATE SHAPES IN PB-196 [J].
DAGNALL, PJ ;
BEAUSANG, CW ;
FALLON, P ;
FORSYTH, PD ;
PAUL, ES ;
SHARPEYSCHAFER, JF ;
TWIN, PJ ;
ALI, I ;
CULLEN, DM ;
JOYCE, MJ ;
SMITH, G ;
WADSWORTH, R ;
CLARK, RM ;
REGAN, PH ;
ASTIER, A ;
MEYER, M ;
REDON, N .
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 1993, 19 (03) :465-470
[7]   ELECTROMAGNETIC-RADIATION OF ROTATING NUCLEI [J].
DONAU, F .
NUCLEAR PHYSICS A, 1987, 471 (3-4) :469-488
[8]  
HTIRUMALARAO BV, 1981, NUCL PHYS A, V362, P71
[9]   HIGH-SPIN STRUCTURE OF HG-190-194 AND THE CRANKED SHELL-MODEL [J].
HUBEL, H ;
BYRNE, AP ;
OGAZA, S ;
STUCHBERY, AE ;
DRACOULIS, GD ;
GUTTORMSEN, M .
NUCLEAR PHYSICS A, 1986, 453 (02) :316-348
[10]   OBLATE COLLECTIVITY IN PB-197 [J].
KUHNERT, A ;
STOYER, MA ;
BECKER, JA ;
HENRY, EA ;
BRINKMAN, MJ ;
YATES, SW ;
WANG, TF ;
CIZEWSKI, JA ;
STEPHENS, FS ;
DELEPLANQUE, MA ;
DIAMOND, RM ;
MACCHIAVELLI, AO ;
DRAPER, JE ;
AZAIEZ, F ;
KELLY, WH ;
KORTEN, W .
PHYSICAL REVIEW C, 1992, 46 (01) :133-143