Allen, C
nucl-ex
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Anti-proton-proton elastic scattering at 3.55 gev/c

Baker, W.F. ; Carlson, P.J. ; Chabaud, V. ; et al.
Nucl.Phys.B 12 (1969) 5-8, 1969.
Inspire Record 56106 DOI 10.17182/hepdata.35577

Antiproton-proton elastic scattering has been measured at 3.55 GeV/ c in the c.m. angular range from 20° to 77° and from 109° to 160°. Forward elastic scattering shows a structure near t = −0.5 (GeV/ c ) 2 . In the backward region two events are observed.

1 data table

$\pi^+$ production with linearly polarized photons

Geweniger, C. ; Heide, P. ; Kötz, U. ; et al.
Phys.Lett.B 29 (1969) 41-44, 1969.
Inspire Record 56795 DOI 10.17182/hepdata.29060

Single π + production on protons by linearly polarized photons of 2.5 to 5 GeV was measured at squared four momentum transfers t between −0.01 and −0.6 (GeV/ c ) 2 . The results show that the differential cross section d σ ⊥ d t with the electric vector of the photon perpendicular to the reaction plane is much larger than d σ ‖ d t with the electric vector parallel to the reaction plane. The predictions of Regge models and of the vector meson dominance model are briefly discussed.

3 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////).

Table 3

Axis error includes +- 0.0/0.0 contribution (?////).