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is there any possibility to express line width [tex]\Gamma[/tex] of the nuclear level in second (s) or inverse second ?

For eg. for 57Fe,

[tex]\Gamma=4.6413[/tex] neV = 0.09654 mm/s for the 1st excited level of 57Fe.

I want to how one can convert to second or inverse second.

PS: some conversion factors that i know are: 1 mm/s = 48.075 neV and 1 eV = 8065.5 cm^{-1}

thanks

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# Linewidth and time

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