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Topic: Reduced Mass in Equation of Spectroscopy  (Read 4732 times)

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Offline ayumi

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Reduced Mass in Equation of Spectroscopy
« on: March 18, 2007, 05:06:08 AM »
Hi,

Anyone know why we using reduced mass instead of average mass in spectroscopy related equation ?Is it because derivation from the moment of inertia and the spectroscopy related equation are related to reduced mass too?
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Offline FeLiXe

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Re: Reduced Mass in Equation of Spectroscopy
« Reply #1 on: March 18, 2007, 10:41:42 AM »
reduced mass strictly follows from the mathematical derivation

two balls connected with a spring behave the same way as one ball with the reduced mass of those two
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