Singapore H2 Physics Wiki

Particle Physics

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Particle Physics

Overview

This page is kept as a minimal standalone placeholder rather than a full dossier.

In this wiki, most H2-relevant content involving emitted particles is already handled under:

So this page only keeps the small amount of adjacent context that is useful for beta decay.

Core Ideas

  • beta decay may require a neutrino or antineutrino in the full particle-level equation
  • this helps account qualitatively for conservation of energy and momentum
  • a full treatment of particle families, antiparticles, quarks, and interactions is intentionally out of scope here
  • this topic is retained mainly to keep the numbering and cross-links clear within the modern-physics block

Minimal H2-Relevant Note

Some beta-decay processes cannot be explained using only the visible emitted electron.

An additional neutral particle is used in the fuller particle-level description:

  • beta-minus:
  • beta-plus:

At the H2 level, the main takeaway is:

  • neutrinos or antineutrinos may be included to make conservation arguments complete
  • detailed particle-physics classification is not required here
  • the practical exam focus remains on nuclear equations and decay behaviour in Radioactive Decay

Scope Boundary

This page does not attempt a full treatment of:

  • particle families
  • quarks
  • hadron and lepton classification
  • particle interactions beyond the small beta-decay context above

If later source material shows that these are genuinely required for the target H2 scope, this page can be expanded into a fuller dossier.

Exam Relevance

Students may occasionally need only the qualitative point that a neutrino or antineutrino is included in beta decay to help account for conservation of energy and momentum.

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