Multipole moments of /sup 154/Sm and /sup 166/Er by inelastic scattering of 134 MeV protons

Journal Article · Fri Jul 01 00:00:00 EDT 1983 · Phys. Rev. C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.28.123· OSTI ID:5909066

Ronningen, R M; Crawley, G M; Anantaraman, N; Banks, S M; Spicer, B M; Shute, G G; Wastell, J M.R.; Devins, D W; Friesel, D L

Inelastic scattering of 134 MeV polarized protons from /sup 154/Sm and /sup 166/Er has yielded angular distributions of both cross sections and asymmetries for J/sup ..pi../ = 0/sup +/ to 6/sup +/ members of the ground state rotational bands. Deformation parameters ..beta../sub 2/, ..beta../sub 4/, and ..beta../sub 6/ have been extracted from an analysis using coupled channels calculations for scattering from a deformed optical potential. The angular distributions of the cross sections have also been compared with an analytic eikonal model of the reaction. Multipole moments of the potential are determined and are compared with similar moments obtained from electromagnetic measurements and other hadron scattering experiments at different energies. A small energy dependence of the moments for /sup 154/Sm is observed. Comparisons are also made to moments obtained from Hartree-Fock calculations and from a liquid drop model. The observed hexadecapole moment of /sup 154/Sm is consistently higher than the theoretical predictions.

• Research Organization: National Superconducting Cyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824
• OSTI ID: 5909066
• Journal Information: Phys. Rev. C; (United States), Vol. 28:1
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ERBIUM 166
MULTIPOLE TRANSITIONS
ROTATIONAL STATES
ERBIUM 166 TARGET
PROTON REACTIONS
INELASTIC SCATTERING
SAMARIUM 154
SAMARIUM 154 TARGET
ANGULAR DISTRIBUTION
COUPLED CHANNEL THEORY
CROSS SECTIONS
EIKONAL APPROXIMATION
HARTREE-FOCK METHOD
MEV RANGE 100-1000
NUCLEAR DEFORMATION
OPTICAL MODELS
PARITY
POLARIZED BEAMS
SPIN
ANGULAR MOMENTUM
BARYON REACTIONS
BEAMS
CHARGED-PARTICLE REACTIONS
DEFORMATION
DISTRIBUTION
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
ERBIUM ISOTOPES
EVEN-EVEN NUCLEI
EXCITED STATES
HADRON REACTIONS
INTERMEDIATE MASS NUCLEI
ISOTOPES
MEV RANGE
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
PARTICLE PROPERTIES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
SAMARIUM ISOTOPES
SCATTERING
STABLE ISOTOPES
TARGETS
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