Total reaction cross sections of deuteron, σRd, are calculated by a microscopic three-body reaction model. The reaction model has no free adjustable parameter and applicable to reactions at various deuteron incident energies Ed and with both stable and unstable nuclei. The predicted σRd are consistent with those evaluated by a phenomenological optical potential for Ed ≲ 200 MeV in which the potential has been parametrized. A simple formula of σRd up to Ed = 1 GeV, as a function of Ed, the target mass number A and its atomic number Z, is given.
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