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Relativistic particles

  • Thread starter martyf
  • Start date
  • #1
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Homework Statement



A relativistic particle with mass at rest M0 and velocity v hits another particle with mass at rest M1. the collision is perfectly inelastic. How can I calculate the mass at rest of the new particles after the collision?



Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
674
2
Conservation of momentum and total energy.
 
  • #3
Cyosis
Homework Helper
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Easiest way to do this is using 4-momentum, [itex]p_\mu=(\frac{E}{c},\vec{p})[/itex]. Note that 4-momentum is conserved and [itex]p^\mu p_\mu=-m^2 c^2[/itex] is invariant.
 
Last edited:

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