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Physical Review C
We report quantum Monte Carlo calculations of weak transitions in A 10 nuclei, based on the Norfolk two-and three-nucleon chiral interactions, and associated one-and two-body axial currents. We find that the contribution from two-body currents is at the 2-3% level, with the exception of matrix elements entering the rates of 8 Li, 8 B, and 8 He β decay. These matrix elements are suppressed in impulse approximation based on the (leading order) Gamow Teller transition operator alone; two-bodydoi:10.1103/physrevc.102.025501 fatcat:3zlvf3zqpfardkfhmzibzppvqq