The first-ever observations of a new 'pentaquark' and the first pair of 'tetraquarks'.
The CERN scientists made the discovery of a new type of"pentaquark" and the first-ever pair of"tetraquarks" on Tuesday, July 5, adding to the illustrious list of new hadrons first observed at the 27-kilometre-long LHC.Ten years ago, scientists at the LHC found the Higgs boson particle, also known, which is thought to have played a vital role in the early formation of the universe.
Now, the new subatomic particle discoveries will help physicists better understand the way in which quarks bing to form composite particles. "Finding new kinds of tetraquarks and pentaquarks and measuring their properties will help theorists develop a unified model of exotic hadrons, the exact nature of which is largely unknown," said LHCb spokesperson Chris Parkes."It will also help to better understand conventional hadrons.
In April, after three years offline due to routine maintenance and Covid delays, the LHC fired up once again, before almost immediately breaking a new record. In preparation for its third run of experiments, the particle accelerator created the For its current run, the LHC is expected to operate until another scheduled shutdown between 2025 and 2027. The drastically energized beams of protons will cause more collisions which, in theory, will allow for more new discoveries.
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