A K° meson (mass 497.61 MeV/c²) decays to a n+, n¯ pair with a mean lifetime of 0.89 x 10-10 s. Suppose the K° has a kinetic energy of 276 MeV when it decays, and that the two T mesons emerge at equal angles to the original Kº direction. Calculate the kinetic energy of each a meson and the opening angle between them. The mass of a T meson is 139.57 MeV/c².
A K° meson (mass 497.61 MeV/c²) decays to a n+, n¯ pair with a mean lifetime of 0.89 x 10-10 s. Suppose the K° has a kinetic energy of 276 MeV when it decays, and that the two T mesons emerge at equal angles to the original Kº direction. Calculate the kinetic energy of each a meson and the opening angle between them. The mass of a T meson is 139.57 MeV/c².
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Transcribed Image Text:a) A K° meson (mass 497.61 MeV/c2) decays to a t, T pair with a mean lifetime of 0.89 x
10-10 s. Suppose the K° has a kinetic energy of 276 MeV when it decays, and that the two
A mesons emerge at equal angles to the original K° direction.
Calculate the kinetic energy of each T meson and the opening angle between them. The
mass of a 7 meson is 139.57 MeV/c2.
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