Advanced experimental physics: Particle and astroparticle physics (EV-B)10 ECTS
(englische Bezeichnung: Advanced experimental physics: Particle and astroparticle physics)
(Prüfungsordnungsmodul: Advanced experimental physics)

Lehrveranstaltungen:

• • Advanced experimental physics: Particle and astroparticle physics
    (Vorlesung, 4 SWS, Stefan Funk, Do, 12:00 - 14:00, HD; Di, 14:00 - 16:00, HE)
  • Advanced experimental physics: Particle and astroparticle physics (Excercise class)
    (Übung, 3 SWS, Stefan Funk et al., Do, Fr, 14:00 - 16:00, SRTL (307); Fr, 14:00 - 16:00, SR 01.332, SR 00.732; Di, 12:00 - 14:00, SR 01.332)

Inhalt:

Contents:

• Introduction

Interactions and exchange bosons, Feynman diagrams; relativistic kinematics with four- vectors

• Covariant description of spin-less particles

Free particles, spatial probability density, charge current density, equation of continuity; Klein-Gordon equation: Solutions for free particles, energy eigenvalues, interpretation by Feynman and Stückelberg; scattering on a static potential: Perturbative approach, transition matrix element, Fermi’s Golden Rule

• Electrodynamics of spin-1/2 particles

Maxwell equations in covariant notation; Dirac equation (free particles, gamma matrices, spin, anti-particles, helicity, charge current density, equation of continuity); electron- muon scattering: Current-current interaction, photon propagator, Feynman rules, helicity conservation, spin averaging (without explicit calculation), differential cross section; electron-positron annihilation to muons or quarks, hadron/muon ratio R; decay width and its relation to matrix element and phase space factor; higher orders: Anomalous magnetic moment (g-2), charge renormalisation, running coupling constant

• Weak interactions

Charged current: (V-A) structure and parity violation, propagator, Fermi constant, quark mixing: Cabibbo angle, CKM matrix, its complex phase and CP violation, direct and indirect CP violation; massive neutrinos; Oscillations, PMNS matrix, oscillation phenomenology of solar, atmospheric and reactor neutrinos

• Neutral currents and electroweak unification

Weak isospin and hypercharge, SU(2)xU(1); electroweak coupling: Weinberg angle, Z- fermion-couplings

• Gauge theories and Higgs mechanism

Euler-Lagrange equation, global gauge invariance and current conservation: local gauge invariance and QED: Mass and interaction terms, photon field, spontaneous U(1) symmetry breaking; Higgs mechanism for U(1): Gauge freedom, Higgs mass and interaction terms, masses of U(1)xSU(2) gauge bosons (without explicit derivation); Higgs coupling to Standard Model particles, Higgs production and decay

Lernziele und Kompetenzen:

Learning goals and competences:

Students

• explain and analyze advanced experimental topics of particle and astroparticle physics as outlined in the table of contents

• apply the associated physical concepts to specific problems using appropriate methods
  

Bemerkung:

May be applied to specialisation ’Astrophysics and astroparticle physics’ in the physics master program starting winter term 2018/19.

Verwendbarkeit des Moduls / Einpassung in den Musterstudienplan:

1. Advanced Optical Technologies (Master of Science)
   (Po-Vers. 2018w | TechFak | Advanced Optical Technologies (Master of Science) | Gesamtkonto | Major Topics | Physics of Light | Advanced experimental physics)

Studien-/Prüfungsleistungen:

Advanced experimental physics (Prüfungsnummer: 69411)

(englischer Titel: Advanced experimental physics)

Prüfungsleistung, mündliche Prüfung, Dauer (in Minuten): 30, benotet, 10 ECTS

Anteil an der Berechnung der Modulnote: 100.0 %

Prüfungssprache: Englisch

Erstablegung: SS 2022, 1. Wdh.: SS 2022

1. Prüfer:

Christopher van Eldik

1. Prüfer:

Uli Katz

1. Prüfer:

Stefan Funk