{
  "id": "2402.01983",
  "version": "v1",
  "published": "2024-02-03T01:49:45.000Z",
  "updated": "2024-02-03T01:49:45.000Z",
  "title": "Searching for cosmological variation of the proton-to-electron mass ratio using a single $H_2$ system",
  "authors": [
    "T. D. Le"
  ],
  "doi": "10.1016/j.jheap.2024.08.005",
  "categories": [
    "astro-ph.CO",
    "astro-ph.GA"
  ],
  "abstract": "Exploring physics beyond General Relativity and the Standard Model of Particle Physics involves investigating spacetime variations in natural constants. This study employs an $H_2$-single of QSO 0347-383 observational spectrum to propose a unique approach for detecting potential changes in the proton-to-electron mass ratio. By comparing the ratio from observational and laboratory data in the Lyman-Alpha transition line, we derive a cosmological variation of $\\Delta\\mu / \\mu = (0.120 \\pm 0.144) \\times 10^{-8}$ at $z_{abs}=3.025$. This approach not only advances fundamental physics understanding but also introduces innovative techniques for analyzing high-redshift QSO systems.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2024-02-03T01:49:45.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "proton-to-electron mass ratio",
      "cosmological variation",
      "analyzing high-redshift qso systems",
      "lyman-alpha transition line",
      "observational spectrum"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "Elsevier"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}