Fine-structure constant

Symbol: α

Uncertainty: ±1.1e-12

Raw Data

{
  "id": "fine-structure-constant",
  "label": "Fine-structure constant",
  "symbol": "α",
  "quantity": {
    "value": 0.0072973525693,
    "unit": "dimensionless",
    "uncertainty": 1.1e-12,
    "asOf": "2018-06-01",
    "source": {
      "name": "CODATA",
      "url": "https://physics.nist.gov/cuu/Constants/"
    }
  },
  "sameAs": [
    "https://www.wikidata.org/entity/Q466769"
  ],
  "tags": [
    "physics",
    "quantum",
    "constant"
  ]
}