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Accession Number:
AD0412659
Title:
ELASTIC SCATTERING OF NEGATIVE PIONS BY PROTONS AT BEV/C,
Corporate Author:
MICHIGAN UNIV ANN ARBOR
Report Date:
1963-06-01
Abstract:
The negative pion-proton differential elastic cross section at an incident pion momentum of 2 Bevc has been measured in a spark chamber experiment. Approximately 7000 events were obtained in the center of mass angular range .95 greater than cos theta asterisk greater than -.97. The data show an approximately ex ponential diffraction peak which when extrapo lated to cos theta asterisk 1.0 is con sistent with the optical theorem prediction. A second peak, with a maximum of 23 mbsr is seen at cos theta asterisk .2. The backward s ering is not isotropic, but drops smoothly from .12 mbsr at cos theta asterisk 0 to about .01 mbsr at the most backward angles. An analysis in terms of a simple diffraction model and a fit in powers of cos theta asterisk are given. Author
Pages:
0053
Contract Number:
Nonr1224 23
File Size:
0.00MB
