A particle has a proper lifetime of 2.5 × 10^−6s. How fast/gamma must it be going to arrive on the surface of the earth 8km below? If the particle's mass is 120 MeV, what would its total energy and kinetic energy be?
A particle has a proper lifetime of 2.5 × 10^−6s. How fast/gamma must it be going to arrive on the surface of the earth 8km below? If the particle's mass is 120 MeV, what would its total energy and kinetic energy be?
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A particle has a proper lifetime of 2.5 × 10^−6s. How fast/gamma must it be going to arrive on the surface of the earth 8km below? If the particle's mass is 120 MeV, what would its total energy and kinetic energy be?
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