Pan, Y.L.
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A Study of $K^+ p$ Elastic Scattering and the Reaction $K^+ p \to K^+ p \pi^+ \pi^-$ at 70-{GeV}/$c$

The Brussels-Genoa-Mons-Nijmegen-Serpukhov-CERN collaboration Barth, M. ; Wolf, A.E. De ; Johnson, D.P. ; et al.
Z.Phys.C 16 (1982) 111, 1982.
Inspire Record 181354 DOI 10.17182/hepdata.41205

Results are presented onK+p elastic scattering and on the reactionK+p→K+pπ+π− at 70 GeV/c. For the

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Single Pion Production in pi- p Collisions at 2.14 GeV/c

Hagopian, V. ; Pan, Y.L. ;
Phys.Rev. 152 (1966) 1183, 1966.
Inspire Record 50984 DOI 10.17182/hepdata.26635

A bubble-chamber experiment in which the reaction π−+p→π+π+N was studied at a beam momentum of 2.14 BeV/c yielded 1533 and 2234 events of the final states π−π0p and π−π+n, respectively. These events are dominated by the formation of the ρ resonance, which is produced mostly in the forward direction. Both the production and decay angular distributions of the ρ− agree very well with the predictions of the one-pion exchange theory modified by absorption effects. The decay angular distribution of the ρ0 shows the well-known forward-backward asymmetry. This effect is interpretable as the result of the interference between the ρ0 and an isospin-zero s-wave π−π resonance. The production of the ρ0, in addition to its forward peak, shows a weak backward peak. Partial cross sections of various final states are also presented.

1 data table
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