Elsevier

Nuclear Physics A

Volume 380, Issue 3, 31 May 1982, Pages 493-501
Nuclear Physics A

The 209Bi(d,γ)211,211mPo reaction

https://doi.org/10.1016/0375-9474(82)90573-5Get rights and content

Abstract

The yield of the 209Bi(d, γ)211g.s.Po and 211mPo (T12 = 25.2s) reaction was measured for deuteron energies Ed = 8–11.5 MeV. The reaction was identified by the α-activities of the Po isotope. At Ed = 10.43 MeV, the (d, γ) cross section for the population of the ground state of 211Po is σg.s. = 16 ± 3 μb, the ratio relative to the cross section for the metastable state is σg.s./σm = 25.4 ± 0.9. These values and the yield curves were compared with calculations using a simple model for the population of the two states. In the excitation region E∗ = 15–19 MeV, the branching ratio of γ- to particle emission is nearly constant and has a value of about 0.4 × 10−4.

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Permanent address: Institute of Nuclear Research, Warsaw, Poland.

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