Spectroscopic factors for 9Be <= 10Be as of Jan 2021 Hamiltonian = Argonne v18 + Urbana X VMC 10Be of 2020 has [442], [4411], [433], [4321], [4222] components VMC 9Be of 2015 has [441], [432], [4311] components GFMC energies for Argonne v18 + Illinois-7 as of 2015 CK denotes Cohen-Kurath wave functions CK67 (DK private communication) Assuming charge-independence these would also be factors for 9B <= 10C 10Be VMC GFMC Expt state energy energy energy (0+;1) -47.3(1) -64.4(2) -64.98 1S[42] ------------------------------------------------------------------------ <9Be(J)+n(j)|10Be(0)> Spectroscopic factors [Pickup for target A=10(0,1)] 9Be CK VMC GFMC Expt CK VMC state energy energy energy energy neutron SF* SF (exct) (exct) (exct) (exct) (3/2-;1/2) -46.0(1) -57.9(2) -58.16 1p3/2 2.356 2.239(10) 2P[41] (0.00) (1/2-;1/2) -42.2(1) -55.5(3) -55.36 1p1/2 0.586 0.168(1) 2P[41] (1.79) (3.8) (2.4) (2.78 (3/2-;1/2) -40.0(1) -52.57 1p3/2 0.011 0.0013 2D[41] (4.66) (6.0) (5.59) (3/2-;1/2) -32.6(1) 1p3/2 0.123 0.047(0) 4P[32] (10.04) (13.4) (1/2-;1/2) -31.6(1) 1p1/2 0.009 0.0007 4P[32] (11.03) (14.4) (1/2-;1/2) -28.4(1) 1p1/2 0.106 0.167(1) 2P[32] (12.04) (17.6) (3/2-;1/2) -28.1(1) 1p3/2 0.136 0.269(1) 2P[32] (12.67) (17.9) ----- ----- (T=1/2) 1p(j) 3.327 2.893(13) (T=3/2) (1/3 of 9Li+p) 1p(j) 0.663 0.558(2) ----- ----- Sum 1p(j) 3.990 3.451(15) ------------------------------------------------------------------------ * all of CK number for T=1 -> T=1/2 states