Kampert, K.H.
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Photoproduction of pi+ mesons on polarized protons at photon energies between 0.5 and 2.2 gev

Althoff, K.H. ; Feller, P. ; Herr, H. ; et al.
Nucl.Phys.B 53 (1973) 9-18, 1973.
Inspire Record 84220 DOI 10.17182/hepdata.32593

The target asymmetry T = ( σ ↑ − σ ↓)/( σ ↑ + σ ↓) for the reaction γ p → π + n has been measured at the Bonn 2.5 GeV electron synchrotron for a pion c.m. angle of 40° and γ energies between 0.5 and 2.2 GeV. Butanol was used as the target material. About 35% of the protons could be polarized using the dynamic-polarization method in a continuous-flow cryostat operating at 1°K and 25 kG. The π + mesons were detected in a magnetic-spectrometer system. Considerable structure in the asymmetry was observed.

1 data table
Table 1

Axis error includes +- 11/11 contribution.


Measurement of the polarization of the recoil protons from the reaction $\gamma + \rho \rightarrow \rho + \pi^0$ in the region of the second resonance at low pion center of mass angles

Trines, Dieter ; Althoff, K.H. ;
PhD Thesis, Bonn U., Math. Inst., 1972.
Inspire Record 1396209 DOI 10.17182/hepdata.37154

None

1 data table
Table 1

No description provided.


Recoil polarization in K$^+ \Lambda$ photoproduction at 5 gev

Vogel, G. ; Burfeindt, H. ; Buschhorn, G. ; et al.
Phys.Lett.B 40 (1972) 513-516, 1972.
Inspire Record 75679 DOI 10.17182/hepdata.28291

The Λ polarization in the reaction γp → K + Λ has been measured using the decay Λ → pπ − as an analyzer. It is found to be large and negative in the momentum transer range 0.2 ⩽ | t | ⩽ 1.0 (GeV/ c ) 2 .

1 data table
Table 1

No description provided.


Measurement of the polarization of the recoil neutron from the photoproduction of charged pions on hydrogen

Althoff, K.H. ; Piel, H. ; Wallraff, W. ; et al.
Phys.Lett.B 26 (1968) 640-641, 1968.
Inspire Record 1099537 DOI 10.17182/hepdata.29335

The polarization of the recoil neutron in the reaction γ + p → π + + n has been measured for a pion c.m.-angle of 90° and a photon energy of 390 MeV. Hydrogen was used as the polarization analyser.

1 data table
Table 1

No description provided.