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Bias in particle collision experiments


Jacques
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Particle collider mostly use electron-electron or nucleus-nucleus for there experiment. There is a conservation law about the electric charge.

Does these experiments are biased by using particle with the same electric charge ?

For example if you collide proton with proton the result should be mostly positive charged particle.

Just a thought...

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There are experiments in which electrons are colliding with positrons. Can create heavy mesons at relativistic velocities.

 

In other experiments protons are colliding with antiprotons with relativistic velocities.


For example if you collide proton with proton the result should be mostly positive charged particle.

 

At pretty small velocities (it's called "pion production threshold" if you want to search google):

 

[math]p^+ + p^+ \rightarrow p^+ + p^+ + \pi^0[/math]

neutral pion produced

 

[math]p^+ + p^+ \rightarrow p^+ + n^0 + \pi^+[/math]

neutron and charged pion produced

Edited by Sensei
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