Scientists have detected a new particle at the Large Hadron Collider at Cern, with a mass around 3.5 times heavier than protons and neutrons, and has double the electric charge of a proton.

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Scientists have detected a new particle at the Large Hadron Collider at Cern, with a mass around 3.5 times heavier than protons and neutrons, and has double the electric charge of a proton.