An Electron Undergoes a Collision with a Proton

question 20

Multiple Choice

An electron undergoes a collision with a proton. In the center of mass system, the energy of the electron is 4000 MeV. What is the energy of the electron in the lab system, where the proton is at rest before the collision?

• A)34 GeV
• B)37 GeV
• C)40 GeV
• D)43 GeV
• E)46 GeV
• F)52 GeV

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