How does beta disintegration work?

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SUMMARY

Beta disintegration occurs when a down quark transforms into an up quark through the weak force, facilitated by W bosons. This process requires the addition of a positive charge, which is supplied by a virtual positron/electron pair. During this transformation, the positron interacts with the down quark, resulting in the emission of an electron and a neutrino. Understanding these interactions is crucial for grasping the fundamentals of particle physics.

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  • Understanding of weak force interactions
  • Familiarity with quark types (up quark, down quark)
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adolphysics
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In beta desintegration, a down quark becomes an up quark by the weak force. We have to add one positive charge to make it work, and it comes from a virtual positron/electron pair. The positron changes the down quark to up quark and the electron scapes. But why does it scape because it's near positivly charged quarks? And why does that positron react with the down quark and not with the positron? (I'm not very good at this, i hope you understand, probably almost everything that i think is wrong but i want to know why)
 
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This is not a correct description of what is going on. Beta decay is mediated by W bosons and also result in a neutrino.
 

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