1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Atomic Mass Units

  1. Jun 26, 2003 #1


    User Avatar

    A pi meson has mass of 139MeV/c^2. what is this in atomic mass?

    HOw do i solve for this? what steps do I need to do, any examples you can give to help me with to solve?
    Dx :wink:
  2. jcsd
  3. Jun 27, 2003 #2

    Tom Mattson

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member


    I made a mistake. The amu is not the mass of one proton, it is 1/12 the mass of a C12 atom.
  4. Jun 27, 2003 #3


    User Avatar
    Gold Member

    I believe 1 amu is something like 812 MeV/c^2..bah...i dont know the exact number, its something in the 800's

    EDIT: Its 931.5 MeV/c^2 for each amu
  5. Jun 27, 2003 #4


    User Avatar

    Thanks you guys are the bomb! :wink:
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Threads - Atomic Mass Units Date
Charges of ions in a mass spectrometer Mar 7, 2018
Convert atomic mass into Joules Nov 19, 2017
Simple Atomic Mass Unit question May 6, 2012
Unified Atomic Mass unit Jun 2, 2006
Atomic mass unit Apr 25, 2005