Packet 1: Tossup 21

A paper that theorized this particle’s existence noted that Goldstone’s theorem only applies to global continuous transformations, not local ones. This particle’s low mass compared to the Planck mass is the subject of the hierarchy problem. Particles roll down the hat-shaped potential energy graph associated with this particle during spontaneous symmetry breaking. This particle produced a 125 giga electronvolts bump in mass recorded by the (*) ATLAS and CMS experiments. W and Z particles interact with the field associated with this particle, which imparts mass to all elementary particles. The last predicted particle by the Standard Model to be discovered was this particle. For 10 points, name this “God particle” discovered at CERN in 2012. ■END■

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