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Angular distributions of gamma rays following the inelastic scattering of protons from Mn55have been measured at proton energies below 2.50 MeV. The mixture multipole orders for the transition 983→126 keV and 1,530→0 in Mn55have been obtained.

Total yields and angular distributions of gamma rays following the inelastic scattering of protons from Cr50 and Cr54 have been measured at proton energies below 2.5 MeV. Gamma ray spectra resulting from the proton radiative capture by Cr50 and Cr54 were obtained. Transitions from most of the Mn51 and Mn55 low-lying levels have been observed. The experimental results are in good agreement with predictions of the statistical compound nucleus theory.

Then-γangular correlation measurements for the Cr53(p, nγ) Mn53reaction were performed atEp=2.3, 2.4 and 2.5 MeV. The neutron detector was located in the reaction plane atθn=45‡, 90‡ and 120‡ and perpendicularly to this plane atθn=Φ=90‡. The experimental results obtained are in good agreement with predictions of the statistical compound-nucleus theory.