Science & Tech

Rare Higgs Boson Decay was observed by researchers

  • CERN’s Large Hadron Collider (LHC) physicists have reported finding a rare decay of the Higgs boson into a Z boson and a photon.
  • The decay process reveals important information about the Higgs boson and the nature of our cosmos.

Recognising the Higgs Boson

  • The Higgs boson is a subatomic particle that conveys the force of particle motion through the Higgs field, which exists throughout the universe.
  • The mass of a particle is determined by its interaction with Higgs bosons, with stronger interaction resulting in more mass.

The significance of Higgs Boson Decay

  • Understanding the properties of Higgs bosons and how other particles interact with them helps disclose knowledge about the universe.
  • The recent discovery of Higgs boson decay to a Z boson and a photon provides important new information.

The Function of Virtual Particles

  • According to quantum field theory, space at the subatomic level is filled with virtual particles that constantly arise and disappear.
  • During their formation, Higgs bosons interact briefly with virtual particles, culminating in the generation of a Z boson and a photon.

New Result and Probability

  • The Standard Model predicts that the Higgs boson will decay into a Z boson and a photon 0.1% of the time.
  • The LHC needed to produce a significant number of Higgs bosons to observe this decay pathway.

Confirmation and Statistical Precision

  • The ATLAS and CMS detectors, which previously observed the decay independently, combined their data for increased statistical precision.
  • Although the significance is not yet 100%, the combined data enhanced the confirmation of the Higgs boson decay.

Importance of the Standard Model

  • Physicists are attempting to detect and validate the Standard Model’s predicted decay pathways for the Higgs boson.
  • Precise testing of the model’s predictions aids in the identification of potential deviations and the exploration of new physics ideas.

Consequences for New Theories

  • Higher decay rates throughout the measured pathway could lend support to theories other than the Standard Model.
  • Experimental evidence from the LHC could help increase scientific knowledge.
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