Table 2 2γ annihilation rates for positronic atoms and molecules accumulated with FermiNet wavefunctions, compared with those obtained via various other computational methods

CI

2.0183²⁶

–

1.000991²⁸

0.8947^a31

–

–

–

FN-DMC

2.32³³

–

–

1.3602^a34

–

–

–

ECG-SVM

2.4361¹⁶, 2.4722¹⁷, 2.4685¹⁹

1.898²⁰

0.955²², 1.0249²⁸

1.375²³

–

–

–

Hofierka et al.⁴⁷

–

–

–

2.083

–

–

0.666

FermiNet-VMC

2.440(1)

1.870(1)

1.076(1)

1.3391(7)

0.9533(8)

1.962(2)

0.5247(6)