Measurement of the spin-dependent parametersD,R,A, andPfor small-anglep−pelastic scattering between 300 and 600 MeV

The Wolfenstein parameters $D$, $R$, and $A$ and the polarization parameter $P$ have been measured for $p-p$ elastic scattering at 312, 392, 493, and 575 MeV kinetic energy. The center-of-mass angular range observed was from 3° to 33°. The experiment was performed at SIN, using a polarized proton beam. These data significantly improve the determination of $I=1\mathrm{}$ phase shifts.