Can an isovector dipole mode of nuclear collective motion give a signature duplicating that of an isoscalar monopole mode
Journal Article
·
· Phys. Rev. Lett.; (United States)
It is shown that inelastic ..cap alpha..-particle scattering to the well-known isovector giant dipole excitation, when computed with a neutron radius greater than the proton radius and including isovector Coulomb excitation, is predicted to give an angular dependence similar to that of an isoscalar monopole excitation claimed to exist at the same nuclear excitation energy. A much smaller fraction of the monopole sum-rule transition strength is then required by these data, altering the conclusions for nuclear compressibility.
- Research Organization:
- Nuclear Physics Laboratory, Department of Physics, University of Colorado, Boulder, Colorado 80309
- OSTI ID:
- 7166274
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 57:13; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
653001* -- Nuclear Theory-- Nuclear Structure
Moments
Spin
& Models
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
BARYONS
BORN APPROXIMATION
CHARGED-PARTICLE REACTIONS
COLLECTIVE MODEL
COULOMB EXCITATION
CROSS SECTIONS
DIPOLE MOMENTS
DWBA
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EQUATIONS
EXCITATION
FERMIONS
GIANT RESONANCE
HADRONS
INELASTIC SCATTERING
ISOVECTORS
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 100-1000
MONOPOLES
NEUTRONS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEONS
PARTICLE PROPERTIES
PARTICLE RADII
PROTONS
RESONANCE
SCATTERING
SUM RULES
TARGETS
TENSORS
TIN 116 TARGET
VECTORS
Moments
Spin
& Models
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
BARYONS
BORN APPROXIMATION
CHARGED-PARTICLE REACTIONS
COLLECTIVE MODEL
COULOMB EXCITATION
CROSS SECTIONS
DIPOLE MOMENTS
DWBA
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EQUATIONS
EXCITATION
FERMIONS
GIANT RESONANCE
HADRONS
INELASTIC SCATTERING
ISOVECTORS
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 100-1000
MONOPOLES
NEUTRONS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEONS
PARTICLE PROPERTIES
PARTICLE RADII
PROTONS
RESONANCE
SCATTERING
SUM RULES
TARGETS
TENSORS
TIN 116 TARGET
VECTORS