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The `lithium problem' in Big Bang Nucleosynthesis (BBN) has recently focusedon the reactions involving $^7$Be. The $^6$Li($p, \gamma$)$^7$Be reaction canprovide us not only the information for destroying $^6$Li but also theinformation for producing $^7$Be. In the present work, the proton spectroscopicfactor in $^7$Be was extracted to be 0.70 $\pm$ 0.17 from the angulardistribution of $^7$Be($d$, $^3$He)$^6$Li at $E_\mathrm{c.m.}$ = 6.7 MeV. Thevalue was then used to compute the direct component of the astrophysical$^6$Li($p, \gamma$)$^7$Be$_\mathrm{g.s.}$ S(E) factors and determine theresonance parameters from the total S(E) factors.

New determination of the spectroscopic factor of $^7$Be ground state and the $^6$Li($p,\gamma$)$^7$Be astrophysical S(E) factors