Angular Distributions of Photopions from Hydrogen
- 15 April 1959
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 114 (2), 605-611
- https://doi.org/10.1103/physrev.114.605
Abstract
An accurate measurement of the differential cross section for the photoproduction of positive pions from protons has been made at the Berkeley synchrotron for photon energies of 260 and 290 Mev. The mesons were produced in a thin-walled liquid-hydrogen target, and the meson-detection apparatus utilized the characteristic decay of the pion. The measurements were done in two steps, from 0° to 50° with equipment specifically designed to reduce a very high forward-angle positron background, and from 30° to 160° with equipment whose efficiency and solid angle could be accurately determined.Keywords
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