Brundiers, H.J.
POL
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$\pi^+$ 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 (?////).


A STUDY OF THE REACTIONS ANTI-K0 P ---> LAMBDA PI+ (BACKWARD) AND ANTI-K0 P ---> SIGMA0 PI+ (BACKWARD) FOR KAON MOMENTA BETWEEN 1 AND 8-GEV/C

Bamberger, A. ; Bruning, H. ; Brundiers, H.J. ; et al.
Nucl.Phys.B 174 (1980) 277-299, 1980.
Inspire Record 159454 DOI 10.17182/hepdata.34465

We present results for the reactions K 0 p →Λπ + and K 0 p →∑ 0 π + , for |u'| <0. 05 ( GeV /c) 2 and kaon momenta between 1 and 8 GeV/ c . The experiment was performed ina neutral beam at the PS with a two arm spark chamber spectrometer. The cross sections show strong dependence on beam energy and momentum transfer u ′. Λ polarization is compatible with zero. We compare energy dependence of the backward cross sections with the baryon exchange model from π N scattering.

8 data tables
Table 1

No description provided.

Table 2

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Table 3

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