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shiwen5006(½ð±Ò+1): 2011-10-12 09:03:13
wgs8136(½ð±Ò+1): »¶Ó½»Á÷ 2011-10-12 09:07:06
shiwen5006(½ð±Ò+1): 2011-10-12 09:03:13
wgs8136(½ð±Ò+1): »¶Ó½»Á÷ 2011-10-12 09:07:06
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In nonrelativistic situations, if a particle has a velocity v = ¦Âc, and a 1/e decay lifetime ¦Ó (e.g., 2.2 microseconds for muon), then the distance the particle will travel before decaying is ¦Âc¦Ó. For relativistic particles, we need to add time dilation, so the 1/e decay length becomes ¦Â¦Ãc¦Ó |
2Â¥2011-10-12 08:55:02
shiwen5006
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3Â¥2011-10-12 09:03:03
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