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Re: Mass Energy

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Posted by Art on November 18, 1999 23:21:42 UTC

Local, shmocal. "Center-of-momentum frame energy" is "proper frame energy".

Indeed, "mass" and "energy" are two very different things. The former is the magnitude of the energy-momentum 4-vector, the latter is simply the timelike component, p0. There is no "conversion" of one into the other.

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