Muons are produced through the annihilation of particle a and its anti-particle, namely the process a+a → µ* + µ¯ . A muon has a rest mass of 105 MeV/c and its proper life time is 2µs. If the center of mass energy of the collision is 2.1 GeV in the laboratory frame that coincides with the center-of-mass frame, then the fraction of muons that will decay before they reach a detecior placed 6 km away from the interaction point.
Muons are produced through the annihilation of particle a and its anti-particle, namely the process a+a → µ* + µ¯ . A muon has a rest mass of 105 MeV/c and its proper life time is 2µs. If the center of mass energy of the collision is 2.1 GeV in the laboratory frame that coincides with the center-of-mass frame, then the fraction of muons that will decay before they reach a detecior placed 6 km away from the interaction point.
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Transcribed Image Text:Muons are produced through the annihilation of particle a and its anti-particle, namely
the process a +a → u* + µ¯. A muon has a rest mass of 105 MeV/c and its proper life
time is 2µs. If the center of mass energy of the collision is 2.1 GeV in the laboratory
frame that coincides with the center-of-mass frame, then the fraction of muons that will
decay before they reach a detecior placed 6 km away from the interaction point.
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