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When an electron and positron collide at the SLAC facility, they each have 50.0 GeV kinetic energies. What is the total collision energy available, taking into account the annihilation energy? Note that the annihilation energy is insignificant, because the electrons are highly relativistic.

100 $\mathrm{GeV}$

Physics 103

Chapter 33

Particle Physics

Rutgers, The State University of New Jersey

University of Michigan - Ann Arbor

University of Sheffield

McMaster University

Lectures

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So in this collision off election and position, each particle brings in 50 Giga Electron volts off kinetic energy. And they're also gonna bring in there rest my mass image. The 1st 50 Giga Electron volts off, uh, kinetic energy. And then we know that the massive electro museum opened 511 maybe electron volts derided by C squared, uh, meaning that the rest mass energy is M C squared, which is zero point 511 mega electron volts C squared, C squared, cancel each other out. Then the total energy is gonna be the sun off the energies that each particle brings it. Meaning that we can calculate energy as multiplication off to end the total energy of each particle. So twice the energy of each particle. And when we get his 1,100,000 electron volts or country Giga electron volts

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