244806
Explicitly , the lifetime can be measured from the magnitude of the phasor as follow : \ tau = \ frac \ frac This is a very fast approach compared to methods where they use fitting to estimate the lifetime .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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