Researchers at the Large Hadron Collider in Switzerland have announced that they <a href="https://home.cern/news/news/physics/lhcb-collaboration-discovers-new-proton-particle" target="_blank" rel="noopener noreferrer">discovered a new subatomic particle</a>. Roughly four times more massive than a standard proton, this <a href="https://www.sciencefriday.com/segments/new-subatomic-particle-rubin-observatory-alerts/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank" rel="noopener noreferrer">short-lived piece of matter</a> called Ξcc⁺(Xi-cc-plus) is like an extra-heavy proton, researchers say. Physicist Hassan Jawahery joins Host Flora Lichtman to unpack how the particle was found, and what its discovery means for theoretical physics. 
Then, astronomer Eric Bellm describes a new alert system that could flag potentially significant changes in the southern night sky in real time. On its first night of testing at the Rubin Observatory in Chile, the system fired off 800,000 alerts.
Guests:
Dr. Hassan Jawahery is a distinguished university professor at the University of Maryland and a member of the LHCb consortium. 
Dr. Eric Bellm is alert product group lead for the Rubin Observatory and a research associate professor at the University of Washington.
Transcripts for each episode are available within 1-3 days at <a href="https://www.sciencefriday.com/segments/new-subatomic-particle-rubin-observatory-alerts/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank" rel="noopener noreferrer">sciencefriday.com</a>.
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