{
  "id": 16105570,
  "title": "Physicists Hold Single Antimatter Particle for Months and Control Its Quantum States",
  "url": "https://urgent.news/2026/10/22/physicists-hold-single-antimatter-particle-for-months-and-control-its",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-22T21:01:46.000Z",
  "source": {
    "name": "Sci.News",
    "slug": "sci-news",
    "url": "https://www.sci.news/physics/one-positron-quantum-cyclotron-15147.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "Physicists at Northwestern University in Illinois have successfully trapped a single positron, the antimatter counterpart of the electron, for months at a time. According to New Scientist, the positron shares the same mass as an electron but possesses an opposite electric charge. Because positrons typically annihilate instantly upon meeting electrons, they are difficult to study, but researchers have managed to capture one in a trap using invisible walls.\n\nThe researchers, including Gerald Gabrielse, refer to their setup as a “one-positron quantum cyclotron,” according to Sci.News. The team has been able to manipulate the particle one quantum jump at a time and coax it into a controlled quantum state, Phys.org reports.\n\nBy analyzing data collected while the particle is trapped, the team plans to precisely measure the properties of the antiparticle. New Scientist reports that these measurements may allow researchers to investigate the standard model of particle physics and potentially challenge current mathematical models of physical reality.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 4,
    "also_reported_by": [
      {
        "outlet": "New Scientist",
        "title": "A single antimatter particle was held in a trap for months",
        "url": "https://urgent.news/2026/10/21/a-single-antimatter-particle-was-held-in-a-trap-for-months",
        "published": "2026-10-21T15:00:00.000Z"
      },
      {
        "outlet": "Scientific American",
        "title": "Physicists trap a single antimatter particle for a month",
        "url": "https://urgent.news/2026/10/21/physicists-trap-a-single-antimatter-particle-for-a-month",
        "published": "2026-10-21T15:00:00.000Z"
      },
      {
        "outlet": "Phys.org",
        "title": "Physicists trap and tame single particle of antimatter for months",
        "url": "https://urgent.news/2026/10/21/physicists-trap-and-tame-single-particle-of-antimatter-for-months",
        "published": "2026-10-21T15:00:10.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}