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Freya Blekman

1223: There are multiple resonances in the J/ψ-J/ψ mass distribution (some spotted by LHCb earlier), and @CMSexperiment also sees a new one. Whether you should call them particles or something else is somewhat controversial... so take that as you wish.. hopefully this result will help figure out whether it is a blob of quarks or two quark-pairs spinning around each other, or even something resembling a molecule! Plenty of questions, this is an exciting result 🤯 cms-results.web.cern.ch/cms-re

CMS data that is showing the distribution and showing three distinct peaks, pointing to three bound systems at different mass
Jun 27, 2023, 11:51 AM·Public·Web
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