Elsevier

Physics Letters B

Volume 103, Issue 1, 9 July 1981, Pages 13-17
Physics Letters B

Elastic π± + 3He scattering

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Abstract

Differential cross sections have been measured at θ≈20–120° at 50, 100 and 200 MeV. Salient features of the angular distributions are Coulomb interference effects at 50 MeV and clear spin-flip contributions to π compared to π+ scattering in the angular region of θ≈80° dominated by the πN p-wave minimum. Comparison with optical model calculations account for the data up to 200 MeV while this first-order scattering theory misses conspicuous features of data at 295 MeV.

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1

Present address: Los Alamos National Laboratory, Los Alamos, NM 87545, USA.

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