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Flag incorrect charmonium GEM comparison #47

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Flag incorrect charmonium comparison
ohno Aug 12, 2026
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Merge remote-tracking branch 'origin/main' into codex/issue-6-gem
ohno Aug 12, 2026
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9 changes: 6 additions & 3 deletions docs/src/GEM.md
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Expand Up @@ -103,6 +103,12 @@ calculation reproduced here.

## Example of Charmonium

!!! warning
This comparison is currently incorrect. It uses the SGA parameters and
result from Arifi et al. rather than reproducing their GEM calculation.
The example will be updated after the optimized GEM parameters have been
recovered from the calculation notes.

The following calculation uses one Gaussian with ``\nu=0.2443`` and the SGA
parameters of [Arifi et al.
(2024)](https://arxiv.org/abs/2401.07933). Natural units are used, so energies
Expand Down Expand Up @@ -140,9 +146,6 @@ round(eta_c.E[1] * 1000; digits=6)
| TwoBody.jl with the parameters above | 3013.183414 |
| Arifi et al. SGA, Table 2 | 3012 |

The 1.18 MeV difference from the paper table is consistent with using the
rounded parameters and rounded variational exponent shown above.

## API reference

```@docs; canonical=false
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