The Spin Correlation Parameter and Analyzing Power in $n p$ Elastic Scattering at Intermediate-energies

Abegg, R.; Ahmad, M.; Bandyopadhyay, D.; Birchall, J.; Chantziantoniou, K.; Davis, C.A.; Davison, N.E.; Delheij, P.P.J.; Green, P.W.; Greeniaus, L.G.

doi:10.1103/PhysRevC.40.2684

The Spin Correlation Parameter and Analyzing Power in $n p$ Elastic Scattering at Intermediate-energies

Jun, 1989

15 pages

Published in:

Phys.Rev.C 40 (1989) 2684-2696

DOI:

10.1103/PhysRevC.40.2684

Report number:

TRI-PP-89-57

Experiments:

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Abstract: (APS)

In order to improve existing I=0 phase shift solutions, the spin correlation parameter ANN and the analyzing powers A0N and AN0 have been measured in n-p elastic scattering over an angular range of 50°–150° (c.m.) at three neutron energies (220, 325, and 425 MeV) to an absolute accuracy of ±0.03. The data have a profound effect on various phase parameters, particularly the P11, D23, and ε1 phase parameters which in some cases change by almost a degree. With the exception of the highest energy, the data support the predictions of the latest version of the Bonn potential. Also, the analyzing power data (A0N and AN0) measured at 477 MeV in a different experiment over a limited angular range [60°–80° (c.m.)] are reported here.

p n: elastic scattering
p: polarized target
spin: correlation
analyzing power: angular dependence
energy dependence
partial wave
experimental results
TRIUMF Cycl
0.220: 0.325: 0.425 GeV: 50-150 degrees-cms
ANALYZING POWER: POLARIZATION

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The Spin Correlation Parameter and Analyzing Power in npn pnp Elastic Scattering at Intermediate-energies

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The Spin Correlation Parameter and Analyzing Power in $n p$ Elastic Scattering at Intermediate-energies