## Gstrong

`Gstrong`  is a shortcut for `SMP["g_s"]` which represents the strong coupling constant.

The shortcut `Gstrong` is deprecated, please use `SMP["g_s"]` instead!

### See also

[Overview](Extra/FeynCalc.md), [CovariantD](CovariantD.md), [FieldStrength](FieldStrength.md), [GluonVertex](GluonVertex.md).

### Examples

```mathematica
Gstrong
```

$$g_s$$

```mathematica
Gstrong // StandardForm

(*SMP["g_s"]*)
```