Abstract
A method of calculation of the triple-differential cross section of the 208 Pb( 6 Li,αd) 208 Pb Coulomb breakup at astrophysically relevant energies E of the relative motion of the breakup fragments, taking into account the three-body ( α– d– 208 Pb ) Coulomb effects and the contributions from the E1- and E2-multipoles, including their interference, has been proposed. The new results for the astrophysical S-factor of the direct radiative capture d(α,γ) 6 Li reaction at E≤250 keV have been obtained. It is shown that the experimental triple-differential cross section of the 208 Pb( 6 Li,αd) 208 Pb Coulomb breakup can also be used to give information about the value of the modulus squared of the nuclear vertex constant for the virtual decay 6 Li→α+d .
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