1. The problem statement, all variables and given/known data A photon beam is incident on a proton target (at rest). Particle X (and nothing else) with rest mass M=1.232GeV/c2 is then produced. Use m_p =0.938GeV/c2 as the proton mass. a) What is the energy of the photon beam, in terms of GeV? b) What is the momentum of the moving particle X, in terms of GeV/c? c) What is the energy of the moving particle X, in terms of GeV? c) What is the speed of the moving particle X, in terms of c? (i.e, βX=? 2. Relevant equations E = γ*m*c^2 P = γ*m*u γ = 1/sqrt(1-β^2) β = u/c 3. The attempt at a solution Using the conservation of mass-energy law E_1 = E_2 the energy before the light hits the proton is E_1 and the energy afterwards is E_2 E_1 = P*c(the energy due to the photon beam) + m_p*c^2(the rest energy of the proton) = γ*M*c^2(the energy of particle X) = E_2 P*c + m_p*c^2 = γ*M*c^2 can somebody let me know if i got this equation right so far?