DECAY PROPERTIES AND LIFETIMES OF STATES IN SM-144 FROM (N, N'GAMMA) REACTION STUDIES -- Web of Science version 4.1 (ISI2)

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DECAY PROPERTIES AND LIFETIMES OF STATES IN SM-144 FROM (N, N'GAMMA) REACTION STUDIES
GATENBY RA, JOHNSON EL, BAUM EM, YATES SW, WANG D, VANHOY JR, MCELLISTREM MT, BELGYA T, FAZEKAS B, MOLNAR G
NUCLEAR PHYSICS A 560: (2) 633-663 JUL 19 1993

Document type: Article

Language: English

Cited References: 60

Times Cited: 20

Abstract:
An extensive investigation of Sm-144 has been carried out with the (n, n'gamma) reaction. Gamma-ray excitation function and angular-distribution measurements were performed at neutron energies up to 4.3 MeV. Many new levels have been established and characterized, and the assignments of several previously known states have been clarified. Level lifetimes were measured following the inelastic neutron-scattering reaction by observing the Doppler shifts of de-exciting gamma-rays, and reduced transition rates have been inferred. Recent shell-model calculations were found to describe the Sm-144 level scheme very well up to 3.2 MeV. A large number of relatively fast E1 transitions were observed.

Author Keywords:
144SM (N,N'GAMMA), E(N) = 1.8-4.3 MEV, MEASURED E-GAMMA, I-GAMMA, I(GAMMA)(THETA), E-GAMMA(THETA), SIGMA(E-GAMMA), DOPPLER SHIFT, 144SM-DEDUCED LEVELS, J, PI, BRANCHING RATIOS, DELTA, T(1/2), B(LAMBDA), ENRICHED TARGET, HYPERPURE GE DETECTOR, COMPTON SUPPRESSION, 2-PHONON STATES, SHELL MODEL

KeyWords Plus:
MAGNETIC DIPOLE STRENGTH, INTERACTING BOSON MODEL, RARE-EARTH NUCLEI, INELASTIC-SCATTERING, PROTON-SCATTERING, SAMARIUM ISOTOPES, TRANSITION, OCTUPOLE, DEFORMATION, NEUTRON

Addresses:
HUNGARIAN ACAD SCI, INST ISOTOPES, POB 77, H-1525 BUDAPEST, HUNGARY.
UNIV KENTUCKY, DEPT CHEM, LEXINGTON, KY 40506.
UNIV KENTUCKY, DEPT PHYS, LEXINGTON, KY 40506.

Publisher:
ELSEVIER SCIENCE BV, AMSTERDAM

IDS Number:
LV552

ISSN:
0375-9474

Article 51 of 102