Spin observables in inelastic proton-nucleus scattering at intermediate energy

Thesis/Dissertation · Sun Jan 01 04:00:00 EST 1984

OSTI ID:6283100

Smith, R D

This dissertation is a study of spin observables in inelastic proton-nucleus reactions for incident proton energies near 1 GeV. At this energy, the dominant reaction mechanisms are (1) quasi-free knockout of one or more nucleons, and (2) pion production through the resonance. The cross section due to quasi-free knockout can be reasonably well understood theoretically in a multiple scattering picture, which uses measured NN amplitudes as input. Calculations of this sort were carried out in reference (10) using scalar NN amplitudes parameterized as Gaussians. The author has extended this picture to include spin dependent NN amplitudes. This allows calculation of all the spin observables, Ay, DLL, DSS, DNN, DLS, and DSL, as well as the cross section dsigma/dOmegadp due to quasi-free knockout of one or more particles. The cross section and polarization Ay have been measured at the LAMPF High Resolution Spectrometer at T/sub L/ = 800 MeV on SC. The theoretical results agree well with the data in the quasi-free region. The results for the remaining spin observables provide predictions for experiments which can be performed at LAMPF. By comparing the calculations with the data, it may be possible to separate the contribution due to a quasi-free knockout, and see a signature of quasi-free production in the spin observables.

• Research Organization: Maryland Univ., College Park (USA)
• OSTI ID: 6283100
• Country of Publication: United States
• Language: English

Related Subjects

651315* -- Nuclear Properties & Reactions
A=6-19
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCELERATORS
AMPLITUDES
ANGULAR MOMENTUM
BARYON REACTIONS
CARBON 12 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
DIRECT REACTIONS
ENERGY RANGE
HADRON REACTIONS
INFORMATION
LAMPF LINAC
LINEAR ACCELERATORS
MESON FACTORIES
MEV RANGE
MEV RANGE 100-1000
MULTIPLE SCATTERING
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
PARTICLE PROPERTIES
PROTON REACTIONS
QUASI-FREE REACTIONS
SCATTERING
SCATTERING AMPLITUDES
SPIN
TARGETS
THEORETICAL DATA