Excitation of high-spin particle-hole states in /sup 28/Si by pion inelastic scattering
Journal Article
·
· Phys. Rev. Lett.; (United States)
The inelastic scattering of 162-MeV ..pi../sup +/ and ..pi../sup -/ by /sup 28/Si was studied at larger momentum transfer. Several high-spin particle-hole states are observed to be preferentially excited in this reaction. These include the 9.70-MeV (5/sup -/,T=0), 11.58-MeV (6/sup -/,T=0) and 14.36-MeV (6/sup -/,T=1) states. The ratios of the cross sections of the 6/sup -/, T=0 state to the 6/sup -/, T=1 state are 1.5/sup +0.4//sub -0.2/ for ..pi../sup +/ and 1.7 +- 0.4 for ..pi../sup -/, in contrast to ratios of about 4 predicted by simple distorted-wave impulse-approximation calculations.
- Research Organization:
- Argonne National Laboratory, Argonne, Illinois 60439
- OSTI ID:
- 6034700
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 43:9; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651423* -- Nuclear Properties & Reactions
A=20-38
Experimental-- Energy Levels & Transitions-- (-1987)
651425 -- Nuclear Properties & Reactions
A=20-38
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DISTORTED WAVE THEORY
DISTRIBUTION
ENERGY LEVELS
ENERGY RANGE
EVEN-EVEN NUCLEI
HADRON REACTIONS
HIGH SPIN STATES
IMPULSE APPROXIMATION
INELASTIC SCATTERING
ISOTOPES
LIGHT NUCLEI
MATHEMATICAL MODELS
MESON REACTIONS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
PARITY
PARTICLE PROPERTIES
PARTICLE-HOLE MODEL
PION MINUS REACTIONS
PION PLUS REACTIONS
PION REACTIONS
SCATTERING
SILICON 28
SILICON 28 TARGET
SILICON ISOTOPES
SPIN
SPIN FLIP
STABLE ISOTOPES
TARGETS
A=20-38
Experimental-- Energy Levels & Transitions-- (-1987)
651425 -- Nuclear Properties & Reactions
A=20-38
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DISTORTED WAVE THEORY
DISTRIBUTION
ENERGY LEVELS
ENERGY RANGE
EVEN-EVEN NUCLEI
HADRON REACTIONS
HIGH SPIN STATES
IMPULSE APPROXIMATION
INELASTIC SCATTERING
ISOTOPES
LIGHT NUCLEI
MATHEMATICAL MODELS
MESON REACTIONS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
PARITY
PARTICLE PROPERTIES
PARTICLE-HOLE MODEL
PION MINUS REACTIONS
PION PLUS REACTIONS
PION REACTIONS
SCATTERING
SILICON 28
SILICON 28 TARGET
SILICON ISOTOPES
SPIN
SPIN FLIP
STABLE ISOTOPES
TARGETS