Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Which electron on annihilation will release more energy

  1. Feb 10, 2010 #1
    1. The problem statement, all variables and given/known data
    which electron on annihilation will release more energy ,the one at rest or the one in relative motion


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 10, 2010 #2

    ideasrule

    User Avatar
    Homework Helper

    Where's your attempt? Remember that the annihilation involves, in the reference frame of the two particles' center of mass, the particles rushing in at each other at the same speed and two photons going out in the opposite direction.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook