Abstract
Proton gamma angular correlations through the 6.76 and 8.92 MeV excited states of B11 are measured at deuteron bombarding energies from 1.6 to 2.4 MeV. The correlations are measured at laboratory proton scattering angles 35‡ in both reaction and azimuthal planes. The correlation coefficientA 02 and the distortion parameterλ are calculated. A systematic shift of the symmetry axis from the recoil direction is observed. This shift tends to zero asE d→Q. For the 8.92 MeV excited state of B11(Q=0.32 MeV) the distortion parameterλ is close to the plane wave limit. The possible values of incoming channel spins as well as gamma-ray multipole mixing ratio for the 6.76 and 8.92 MeV states are obtained.
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On leave from Atomic Energy State Committee, USSR.
The authors express their sincere gratitude to Prof. Dr. M.El-Nadi for valuable remarks and fruitful discussions. The authors are also indepted to the stuff of the accelerator for efficient operation.
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Comsan, M.N.H., Farouk, M.A., El-Kamhawy, A.A. et al. Angular correlation measurements in the B10(d,p,γ)B11 reaction. Z. Physik 212, 71–82 (1968). https://doi.org/10.1007/BF01379898
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DOI: https://doi.org/10.1007/BF01379898