Recent content by Olibaba

  1. O

    Help me think about Proton-Proton -> Proton+Antiproton collision

    Is the flaw of using the lab frame that we aren't seeing the system from the particle's viewpoint? In such a case, that would mean that using the lab frame in this case would only work as we specify that one of the particles is at rest (and thus its frame coincides with the lab frame)? Thanks!
  2. O

    Help me think about Proton-Proton -> Proton+Antiproton collision

    I solved the problem! (Thanks to physicsforums) For reference, see this comment: https://www.physicsforums.com/showthread.php?t=402121&highlight=proton+proton+collision Thanks to you all! Guess next time I will search a little harder before posting.. Sorry for the inconvenience!
  3. O

    Help me think about Proton-Proton -> Proton+Antiproton collision

    I would start in the lab frame.
  4. O

    Help me think about Proton-Proton -> Proton+Antiproton collision

    Hi, just registered to Physics Forums after doing a lot of lurking... Anyway, the semester is restarting and my brain is rusty. Please help! Here is my question: I am asked to show that a proton colliding with a proton at rest must have energy greater than 5.6 GeV in order to produce a...
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