Quasifree polarization-transfer measurements in the ( p →, n →) reaction at 495 MeV

Results from a complete set of polarization-transfer observables for quasifree ({ital {rvec p}},{ital {rvec n}}) scattering at 495 MeV are reported. Measurements were carried out on CD{sub 2}, carbon, and calcium targets at a laboratory scattering angle of 18{degree} using the new neutron time-of-fl...

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Bibliographic Details
Published in:Physical review letters 1992-07, Vol.69 (4), p.582-585
Main Authors: McClelland, J. B., Taddeucci, T. N., Chen, X. Y., Alford, W. P., Byrd, R. C., Carey, T. A., DeLucia, S., Goodman, C. D., Gülmez, E., Huang, W., Luther, B., Marchlenski, D. G., Mercer, D. J., Prout, D. L., Rapaport, J., Rybaryck, L. J., Sailor, W., Sugarbaker, E., Wang, Y., Whitten, C.
Format: Article
Language:English
Subjects:
663300 > Nuclear Reactions & Scattering, General-- (1992-)
663520 > Nuclear Mass Ranges-- A=6-19-- (1992-)
663540 > Nuclear Mass Ranges-- A=39-58-- (1992-)
ALKALINE EARTH ISOTOPES
BARYON REACTIONS
CALCIUM ISOTOPES
CARBON ISOTOPES
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DETECTION
DEUTERIUM COMPOUNDS
DIRECT REACTIONS
DISTORTED WAVE THEORY
ENERGY RANGE
EXPERIMENTAL DATA
FORM FACTORS
HADRON REACTIONS
HYDROGEN COMPOUNDS
INELASTIC SCATTERING
INFORMATION
ISOTOPES
MEV RANGE
MEV RANGE 100-1000
NEUTRON DETECTION
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
PARTICLE PROPERTIES
POLARIZATION
PROTON REACTIONS
RADIATION DETECTION
RANDOM PHASE APPROXIMATION
SCATTERING 663430 > Nucleon-Induced Reactions & Scattering-- (1992-)
TIME-OF-FLIGHT METHOD
TRANSFER REACTIONS
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Summary:Results from a complete set of polarization-transfer observables for quasifree ({ital {rvec p}},{ital {rvec n}}) scattering at 495 MeV are reported. Measurements were carried out on CD{sub 2}, carbon, and calcium targets at a laboratory scattering angle of 18{degree} using the new neutron time-of-flight facility at LAMPF. The ratio of spin-longitudinal to spin-transverse responses at a momentum transfer of approximately 1.72 fm{sup {minus}1} is extracted from the data and compared to distorted-wave calculations incorporating a random-phase approximation description of the nuclear response. No enhancement is observed in the experimental ratio.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.69.582