I What is the significance of αEM in Coulombic Potential calculations?

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The term αEM refers to the fine structure constant, which is a fundamental physical constant characterizing the strength of electromagnetic interactions. In the context of Coulombic potential calculations, it appears in the equation VC(r)=2ZαEMħc/r, representing the potential energy of two charged particles. The discussion clarifies that this equation applies to an alpha particle separating from a daughter nucleus, where Z is the charge of the nucleus and e is the elementary charge. The confusion arose due to the specific focus on alpha particles, but the principles remain consistent across different charged particles. Understanding αEM is crucial for accurate calculations in quantum mechanics and particle physics.
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What does the term αEM mean?

I'm looking at the Coulombic Potential of an alpha particle separating from a daughter nucleus and it is stated that: VC(r)=2ZαEMħc/r

Im not really sure where this term derives from? Does anyone know?
 
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Omg ofc it is! I was confused because it was about alpha particles. Thank you!
 
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