Tag: Quarks
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New tetraquark particle tests current theories in particle physics
On June 30th, an experiment at the LHC in Geneva (LHCb) reported on arXiv what could be a particle made up of four quarks. The tetraquark particle, named X(6900), is thought to be made of two charm quarks and two of their antimatter counterparts, anticharm quarks. This is the first time that a particle has…