Bohr magneton, $\mu_B$ (constant)

{
    "$id": "https://schemas.optimade.org/defs/v1.2/constants/codata/2018/electromagnetic/bohrmagneton",
    "$schema": "https://schemas.optimade.org/meta/v1.2/optimade/constant_definition.json",
    "title": "Bohr magneton",
    "symbol": "bohrmagneton",
    "display-symbol": "\\(\\mu_B\\)",
    "description": "The 2018 CODATA Bohr magneton constant is defined as \"1 \\(\\mu_B\\) = 9.274 010 0783(28)\u00b710^-24 J\u00b7T^-1\" with joule and tesla conforming to the 2019 redefinition of the SI derived units.",
    "resources": [
        {
            "relation": "2018 CODATA value Bohr magneton: source for relationship to joules*tesla^-1",
            "resource-id": "https://physics.nist.gov/cgi-bin/cuu/Value?mub"
        },
        {
            "relation": "Wikipedia article describing the unit",
            "resource-id": "https://en.wikipedia.org/wiki/Bohr_magneton"
        }
    ],
    "defining-relation": {
        "base-units": [
            {
                "symbol": "J",
                "id": "https://schemas.optimade.org/defs/v1.2/units/si/2019/named/joule"
            },
            {
                "symbol": "T",
                "id": "https://schemas.optimade.org/defs/v1.2/units/si/2019/named/tesla"
            }
        ],
        "base-units-expression": "J*T^-1",
        "scale": {
            "numerator": 92740100783,
            "exponent": -34,
            "standard_uncertainty": 2.8e-34
        }
    },
    "standard": {
        "name": "codata",
        "year": 2018,
        "category": "electromagnetic",
        "symbol": "\\(\\mu_B\\)"
    },
    "x-optimade-definition": {
        "label": "bohrmagneton_constant_codata_2018_electromagnetic",
        "kind": "constant",
        "format": "1.2",
        "version": "1.2.0",
        "name": "bohrmagneton"
    }
}