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Is tau lepton heavier than a proton?

  • No

  • Yes

  • Not certain

  • Not enough information

Answer

The tau lepton is a subatomic particle that is about 3,500 times heavier than an electron. It is the heaviest of the six leptons, and it is also the only one that decays via the weak force. The proton, on the other hand, is about 1,836 times heavier than an electron and is the most stable subatomic particle known to exist.
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