- #1

coregis

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E1^2=(pc)^2 + (m0c^2)^2=(hv)^2+(m0c^2)^2

At threshold energy after collision, three particles with no momentum are produced, so

E2^2=(3m0c^2)

E1=E2, but substituting and solving for hv does not work out correctly, and I have not used 4-momentum at all anyhow. What am I doing wrong/forgetting? Help!