Homework Statement
A particle of unknown rest mass, M, traveling at an unknown speed, v, decays to an electron, a positron and a photon with the following four-momenta: pe x pe y pe z Ee/c pp x pp y pp z Ep/c pγ x pγ y pγ z Eγ/c
Write down an expression for M in terms of these four-momenta...
Hello there.
I am a student doing a MSci at one of the top British universities and top 5 world universities according to QS. I am doing a Natural Sciences Degree and must choose a specialisation in Physics starting next term. Ever since I was a child, my dream has been to study Astrophysics...