Show that: (a) The difference between two rapidities y 1 and y 2 is invariant under a

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Show that: 

(a) The difference between two rapidities y1 and y2 is invariant under a Lorentz transformation along the beam direction; 

(b) The rapidity reduces to the pseudorapidity if the mass of the jet or particle referred to can be neglected compared to its energy.

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Particle Physics

ISBN: 978-1118912164

4th Edition

Authors: Brian R. Martin, Graham Shaw

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