Particle Physics

Study of fundamental particles and their interactions described by the Standard Model and beyond.


foundation tier

Particle Physics is a topic within subatomic. Study of fundamental particles and their interactions described by the Standard Model and beyond. The area sits at the intersection of foundational theory and active research practice, and its methodology is shaped by a small set of canonical references that frame how problems are posed, how results are validated, and what counts as progress.

Work in this area progresses along several axes: the canonical theoretical framework, benchmark problems that calibrate methods against known answers, computational and experimental tooling that extends reach to larger or more complex systems, and frontier questions that current references either open up or partially answer. The references cited below illustrate these axes in different ways and together define the working vocabulary of the field.

Foundational references

The primary references for this topic establish the conceptual core and the standard problem set.

Modern Particle Physics (Thomson, 2013) is treated here as a primary reference for this area; its presentation of the subject is the canonical entry point for learners moving from prerequisites into independent work on particle physics.

Quarks and Leptons (Halzen et al., 1984) is treated here as a primary reference for this area; its presentation of the subject is the canonical entry point for learners moving from prerequisites into independent work on particle physics.

Open methodological questions in particle physics include the precise scope of validity of the current dominant techniques, the integration of newer computational or experimental tools, and how this topic connects to neighbouring areas in the tree. Subsequent waves of editing will deepen these connections and add fresh frontier references as the literature evolves.

Prerequisites

Sources

  • textbook · primary · 2013
    Modern Particle Physics
    thomson-2013
  • textbook · primary · 1984
    Quarks and Leptons
    halzen-1984, martin-1984

In context

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  1. 01

    Standard Model

    SU(3)×SU(2)×U(1) gauge theory of quarks, leptons, gauge bosons, and the Higgs.

  2. 02

    Electroweak Physics

    Unified weak and electromagnetic interactions, symmetry breaking, and precision tests.

  3. 03

    Quantum Chromodynamics

    Non-Abelian gauge theory of strong interactions with confinement and asymptotic freedom.

  4. 04

    Higgs Physics

    Properties, couplings, and precision measurements of the Higgs boson.

  5. 05

    Flavor Physics

    Quark and lepton mixing, CP violation, and rare decays as probes of new physics.

  6. 06

    Neutrino Physics

    Neutrino masses, oscillations, mixing, and their role in cosmology and astrophysics.

  7. 07

    Beyond Standard Model

    Supersymmetry, extra dimensions, GUTs, and other extensions probed at high-energy and intensity frontiers.

  8. 08

    Dark Matter (Particle Physics)

    Particle candidates (WIMPs, axions, sterile neutrinos) and direct/indirect detection.

  9. 09

    Collider Phenomenology

    Predictions for high-energy hadron and lepton colliders: PDFs, Monte Carlo, and event-level analysis.

  10. 10

    Detector Physics

    Tracking, calorimetry, particle ID, and trigger systems in modern particle detectors.

  11. 11

    Accelerator Physics

    Beam dynamics, RF acceleration, and design of synchrotrons, linacs, and storage rings.

  12. 12

    Precision Low-Energy Tests

    EDMs, g-2, parity violation, and other precision probes of fundamental symmetries.

  13. 13

    CP Violation and Baryogenesis

    Sources of matter–antimatter asymmetry from CP-violating sectors of the SM and beyond.

  14. 14

    Dark Photons and Hidden Sectors

    Light hidden gauge bosons and feebly coupled new physics searches.

  15. 15

    Axion Physics

    QCD axions and axion-like particles as dark-matter candidates and CP-problem solutions.

  16. 16

    Machine Learning for Particle Physics

    Deep-learning approaches to event reconstruction, simulation, and anomaly detection at colliders.

  17. 17

    Lattice Gauge Theories (Beyond QCD)

    Lattice studies of BSM gauge theories, conformal windows, and composite Higgs scenarios.


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