Abstract

We present measurements of the proton-proton elastic differential cross section for 1.0 < vertical-bartvertical-bar < 2.0 (GeV/c)/sup 2/ and incident proton momenta between 30 and 250 GeV/c. The minimum in the cross section near t approx. = - 1.5 (GeV/c)/sup 2/ develops monotonically with increasing incident proton momentum and the cross section remains nonzero up to our highest incident momentum of 250 GeV/c. The cross section at the second maximum near t approx. = - 1.8 (GeV/c)/sup 2/ falls with increasing incident momentum up to 210 GeV/c after which it starts to rise.

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