Why Matter Exists: Hunting CP Violation with a “Ghost” Molecule ⚛️👻
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Why Matter Exists: Hunting CP Violation with a “Ghost” Molecule ⚛️👻
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Why does anything exist at all? According to the Big Bang, matter and antimatter should have annihilated each other completely. Yet here we are. 🌌
In this episode, we explore a groundbreaking discovery that may help solve this cosmic mystery: the first-ever laser spectroscopy of actinium monofluoride (AcF).
This exotic, radioactive molecule contains a pear-shaped nucleus that dramatically enhances sensitivity to CP violation—a tiny asymmetry between matter and antimatter that could explain why the universe favors matter. Using advanced techniques at CERN-ISOLDE, researchers show that AcF could enable measurements 1,000 times more precise than current limits, opening a new frontier beyond the Standard Model of particle physics.
From ghost molecules to the origins of existence, this is a story where chemistry, nuclear physics, and cosmology collide. ✨
📄 Source paper:
Laser spectroscopy and CP-violation sensitivity of actinium monofluoride
Nature, Volume 648, Pages 562–568 (2025)
#CPViolation #Antimatter #QuantumPhysics #LaserSpectroscopy #NatureJournal #FundamentalPhysics #SciencePodcast #WhyWeExist