A revised thermonuclear rate of ${}^7$Be($n$,$\alpha$)${}^4$He relevant to Big-Bang nucleosynthesis

S. Q. Hou, J. J. He, S. Kubono +1

In the standard Big-Bang nucleosynthesis (BBN) model, the primordial ${}^7$Li abundance is overestimated by about a factor of 2--3 comparing to the astronomical observations, so call…