Bhabha Scattering: Fermi Stats & Relative Sign Difference

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SUMMARY

The discussion focuses on the relative sign difference observed in Bhabha scattering diagrams, specifically addressing the influence of Fermi statistics on this phenomenon. Participants clarify that Fermi statistics, which govern the behavior of fermions, directly impact the interference patterns between different scattering diagrams. The conclusion emphasizes that understanding the role of Fermi statistics is crucial for accurately interpreting the relative signs in Bhabha scattering processes.

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  • Fermi statistics
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  • Quantum field theory
  • Particle physics diagrams
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I cannot figure out why there is a relative sign difference between the two diagrams for bhabha scattering. Fermi statistics is at play here but I don't see how that affects the relative sign between 2 different diagram...
 
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