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2024-09-13 06:01:29 -

University of Tokyo - Scientists cool positronium to near absolute zero for antimatter research:

https://phys.org/news/2024-09-scientists-cool-positronium-absolute-antimatter.html

#Positronium #Positron #Antimatter #Spectroscopy #Supercooling #ChirpedLaser #LASER #Cosmology #Physics

University of Tokyo - Scientists cool positronium to near absolute zero for antimatter research: https://phys.org/news/2024-09-scientists-cool-positronium-absolute-antimatter.html #Positronium #Positron #Antimatter #Spectroscopy #Supercooling #ChirpedLaser #LASER #Cosmology #Physics

PHYS.ORG

Scientists cool positronium to near absolute zero for antimatter research

Most atoms are made from positively charged protons, neutral neutrons and negatively charged electrons. Positronium is an exotic atom composed of a single negative electron and a positively charged antimatter positron. It is naturally very short-lived, but researchers including those from the University of Tokyo successfully cooled and slowed down samples of positronium using carefully tuned lasers.

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