Kötz, U.
GAMMA N --> PI- P
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Pion production with polarized photons and test of vector dominance model

Geweniger, Chr. ; Heide, P. ; Kötz, U. ; et al.
Phys.Lett.B 28 (1968) 155-156, 1968.
Inspire Record 1392676 DOI 10.17182/hepdata.29098

Cross section asymmetries for the sum of single π + and π - production with polarized photons of 3.4 GeV have been measured. The results disagree with calculations based on the vector dominance model using experimental data of vector meson production in π beams.

1 data table
Table 1

No description provided.


Photoproduction of negative pions on neutrons at photon energies between 0.2-GeV and 2.0-GeV

The Aachen-Berlin-Bonn-Hamburg-Heidelberg-Muenchen collaboration Hilpert, H.G. ; Lauscher, P. ; Matziolis, M. ; et al.
Nucl.Phys.B 8 (1968) 535-544, 1968.
Inspire Record 56298 DOI 10.17182/hepdata.32389

Total and differenial cross sections of the reaction γ +n→p+ π − have been determined for photon-energies between 0.2 and 2.0 GGeV. Below 500 MeV the differential cross sections are compared with theoretical predictions derived from fixed-momentum-transfer dispersion relations.

30 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (5 TO 8////).

Table 2

Axis error includes +- 0.0/0.0 contribution (5 TO 8////).

Table 3

Axis error includes +- 0.0/0.0 contribution (5 TO 8////).

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