Show that any two zero-mass particles have a cm frame

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Reference no: EM131049899

Show that any two zero-mass particles have a CM frame, provided their three-momenta are not parallel. [Hint: As you should explain, this is equivalent to showing that the sum of two forward light-like vectors is forward time-like, unless the spatial parts are parallel.]

Reference no: EM131049899

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Show that any two zero-mass particles have a cm frame : [Hint: As you should explain, this is equivalent to showing that the sum of two forward light-like vectors is forward time-like, unless the spatial parts are parallel.]

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