Accession Number : AD0270698

Title :   A MEASUREMENT OF SPIN CORRELATION IN PROTON-PROTON SCATTERING AT 400 AND 450 MEV

Corporate Author : PRINCETON UNIV N J PALMER PHYSICAL LAB

Personal Author(s) : ENGELS,EUGENE JR.

Report Date : 30 JAN 1962

Pagination or Media Count : 1

Abstract : The spin correlation coefficients Cnn and CKP for proton-proton scattering at 400 and 450 Mev at 90 degrees in the center-of-mass system were measured using spark chambers containing carbon plates as the polarization analyzers. The results obtained are: Cnn(400 Mev) = 0.60 ! 0.09, CKP(400 Mev) = 0.32 ! 0.09, Cnn(450 Mev) = 0.70 ! 0.15 and CKP(450 Mev) = 0.37 ! 0.14. The results of the 400 Mev measurements are consistent with predicted values for these coefficients obtained by extrapolating the p-p phase shifts from lower energies. Phase shift extrapolations to 450 Mev are not as yet available. (Author)

Descriptors :   *PROTON SCATTERING, *SPARK SHADOWGRAPH PHOTOGRAPHY, INSTRUMENTATION, MEASUREMENT, NUCLEAR SPINS, PROTON BEAMS, PROTON BOMBARDMENT

Distribution Statement : APPROVED FOR PUBLIC RELEASE