PHYS126 Supplementary Notes 4

PHYS126 Supplementary Notes 4 - the other exactly backward....

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PHYS126 Supplementary Notes 4 Important Formula for mass-energy relation Pythagorean Theorem:  Combining   and  , we can get Case Study: Massless Particles Is there any massless particle which is stationary? No From  , we can get: Which implies  That’s photon. Example A neutral pion traveling along the x axis decay into two photons, one being ejected exactly forward, 
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Unformatted text preview: the other exactly backward. The first photon has three times the energy of the second. Prove that the original pion has the speed 0.5c. Consider the decay as the figure shown Suppose B and C are massless and . Prove that , where is of A....
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PHYS126 Supplementary Notes 4 - the other exactly backward....

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