Multiple band structures at high angular momentum in [sup 115]I: Towards unfavored band termination
- Oliver Lodge Laboratory, University of Liverpool, PO Box 147, Liverpool L69 3BX (United Kingdom)
- Chalk River Laboratories, AECL Research, Chalk River, Ontario, K0J 1J0 (Canada)
- Department of Physics, University of Toronto, Toronto, Ontario, M5S 1A7 (Canada)
- Department of Physics, University of Ottawa, Ottawa, K1N 6N5 (Canada)
- Department of Mathematical Physics, Lund Institute of Technology, PO Box 118, S-22100, Lund (Sweden)
Six new rotational bands have been established in [sup 115]I at high spin using the near symmetric [sup 60]Ni([sup 58]Ni,3[ital p][gamma]) reaction at 250 MeV. Several of the bands are observed to frequencies beyond [h bar][omega]=1.0 MeV (spin approaching 50[h bar]). All the bands show a characteristic drop off in their dynamic moments of inertia with increasing spin. The low values at the highest spins are consistent with predictions for a band termination in which a gradual shape change from collective prolate to noncollective oblate occurs over many transitions. these smoothly occurring terminations contrast with the abrupt favored'' terminations previously observed in this and other odd-[ital A] iodine nuclei.
- OSTI ID:
- 7161053
- Journal Information:
- Physical Review, C (Nuclear Physics); (United States), Vol. 50:2; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
IODINE 115
HIGH SPIN STATES
NICKEL 58 REACTIONS
NICKEL 60 TARGET
ANGULAR MOMENTUM
COLLECTIVE EXCITATIONS
GAMMA SPECTROSCOPY
MEV RANGE 100-1000
MOMENT OF INERTIA
NUCLEAR DEFORMATION
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
CHARGED-PARTICLE REACTIONS
DEFORMATION
ELECTRON CAPTURE RADIOISOTOPES
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
HEAVY ION REACTIONS
INTERMEDIATE MASS NUCLEI
IODINE ISOTOPES
ISOTOPES
MEV RANGE
MINUTES LIVING RADIOISOTOPES
NUCLEAR REACTIONS
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
SPECTROSCOPY
TARGETS
663110* - General & Average Properties of Nuclei & Nuclear Energy Levels- (1992-)
663560 - Nuclear Mass Ranges- A=90-149- (1992-)
663220 - Electromagnetic Transitions- (1992-)
663450 - Heavy-Ion-Induced Reactions & Scattering- (1992-)