Chapter 12: Q5CQ (page 555)
What does color neutrality have to do with quark confinement?
Because of color neutrality, particles can only exist when they are color neutral.
But quarks all have colors, and they cannot exist without other quarks to make them color neutral.
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In the following exercises, two protons are smashed together in an attempt to convert kinetic energy into mass and new particles. Indicate whether the proposed reaction is possible. If not, indicate which rules are violated. Consider only those for charge, angular momentum, and baryon number If the reaction is possible, calculate the minimum kinetic energy required of the colliding protons.
Sketch Feynman vertex for the annihilation of a b quark and .
In the following exercises, two protons are smashed together in an attempt to convert kinetic energy into mass and new particles. Indicate whether the proposed reaction is possible. If not, indicate which rules are violated. Consider only those for charge, angular momentum, and baryon number If the reaction is possible, calculate the minimum kinetic energy required of the colliding protons.
Sketch the Feynman diagram if the proposed decay is possible.
Identify a process that exhibits CT violations and explain how you know it does? Is violation of time-reversal invariance (T) in any way strange for a macroscopic process?
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