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Muons are unstable subatomic particles with a mean lifetime of 2.2 μs that decay to electrons....

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Physics

Muons are unstable subatomic particles with a mean lifetime of2.2 μs that decay to electrons. They are produced when cosmic raysbombard the upper atmosphere about 10 km above the earth’s surface,and they travel very close to the speed of light. The problem wewant to address is why we see any of them at the earth’ssurface.What is the greatest distance a muon could travel duringits 2.2 μs lifetime?According to your answer in part A, it wouldseem that muons could never make it to the ground. But the 2.2 μslifetime is measured in the frame of the muon, and they are movingvery fast. At a speed of 0.999c, what is the mean lifetime of amuon as measured by an observer at rest on the earth?

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3.6 Ratings (524 Votes)
Muons are either positively charged ore negatively chargedFollowing are their decay equationsThe life time of the muons and they move with a velocity So the distance    See Answer
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