Elsevier

Nuclear Physics B

Volume 143, Issue 1, 9 October 1978, Pages 1-39
Nuclear Physics B

Large angle neutron-proton elastic scattering from 5 to 12 GeV/c

https://doi.org/10.1016/0550-3213(78)90446-7Get rights and content

Abstract

This paper describes a measurement of the neutron-proton differential cross section made at the Argonne National Laboratory Zero Gradient Synchrotron. The differential cross sections, based on about 470 000 events, are presented for 8 different momentum ranges between 4.5 and 12.5 GeV/c. The data extend from small angles out to about 145° in the c.m.s., corresponding to 0.14 < −t ⪅ 19 (GeV/c)2 at the highest energies. These results in conjunction with previous np charge-exchange data provide almost complete angular distributions in this momentum range. A detailed comparison of the data with existing pp data and with theoretical predictions is made.

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