Photoproduction of Charged Pi Mesons from Hydrogen and Deuterium

Jenkins, T.L.; Luckey, D.; Palfrey, T.R.; Wilson, R.R.

doi:10.1103/PhysRev.95.179

Photoproduction of Charged Pi Mesons from Hydrogen and Deuterium

T.L. Jenkins
(
- Cornell U., Phys. Dept.
)
,
D. Luckey
(
- Cornell U., Phys. Dept.
)
,
T.R. Palfrey
(
- Cornell U., Phys. Dept.
)
,
R.R. Wilson
(
- Cornell U., Phys. Dept.
)

Jul 1, 1954

5 pages

Published in:

Phys.Rev. 95 (1954) 179-184

DOI:

10.1103/PhysRev.95.179

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Abstract: (APS)

Photoproduction cross sections of charged pi mesons from hydrogen and deuterium have been measured as a function of meson angle at gamma-ray energies of 200, 235, and 265 Mev. The angular range extends from 30° to 180° in the laboratory system. Absolute cross sections have been determined. A least-squares fit of the measured cross sections has been made to the expression A+Bcosθ+Csin2θ, which assumes only S and P wave scattering. The coefficients so determined are qualitatively consistent with electric and magnetic dipole absorption together with the assumption of a resonant state of angular momentum 32 and of energy close to 300 Mev. Comparison with neutral meson production indicates some direct charged meson production in the P state.

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