Arkady Vainshtein

vainshte@umn.edu tel: 612-626-0814, office: WBOB 130-7

8902: Elementary Particle Physics II (preliminary, may be corrected)

Books and reference material:

Quang Ho-Kim and Pham Xuan Yem, Elementary Particles and Their Interactions,

Springer, Berlin, Heidelberg, New York, 1998. ISBN 3-540-63667-6. RECOMMENDED

Robert Mann, An Introduction to Particle Physics and the Standard Model,

Taylor & Francis, Boca Raton, London, NY, 2010. ISBN 978-1-4200-8298-2. RECOMMENDED

Review of Particle Physics.

C. Patrignani et al. (Particle Data Group), Chin. Phys. C, 40, 100001 (2016).

DOI:10.1088/1674-1137/40/10/100001

and/or Particle Physics Booklet.

Both can be ordered for free from http://pdg.lbl.gov where you also can find

all the Tables.

1. Weak interaction in the four-fermion limit. V-A weak currents.

Amplitude of muon decay. Fierz identities. Calculation of probability of muon decay.

Electron spectrum in the decay.

2. Beta-decay of charged pion. Beta-decay of neutron. Weak form factors

of a nucleon. Beta-decay of nuclei.

3. Cabibbo angle and theory of semileptonic decays of baryons.

Leptonic decays of charged pions and kaons, pion decay constant. Non-leptonic

decays of strange particles. ΔS = ΔQ and ΔI=1/2 rules. SU(3) relations between

the decays. Conservation of vector current. Decays of tau lepton.

4. Oscillations of neutral kaons.

Theory of kaon oscillations in the limit of CP conservation.

Regeneration of short-lived kaons. CP violation in neutral kaons.

Parameters of the CP violation. Wolfenstein's superweak approximation.

CP-odd transitions with ΔI=3/2.

5. Mixing between 3 generations.

Origin of mixing of quarks in weak interaction. Kobayashi-Maskawa

matrix. Weak decays of charmed and B hadrons, oscillations of neutral B

mesons and the present knowledge of the mixing parameters.

Weak decays of charmed and B hadrons, oscillations of neutral B mesons

and the present knowledge of the mixing parameters. CP violation in B mesons

'Unitarity triangle' and the KM phase as the origin of CP violation.

6. Mixing between neutrinos and its manifestation in experiments.

Possible Majorana mass of neutrinos and neutrinoless double beta decay.

7. Modern theory of electroweak interaction.

Spontaneuos symmetry breaking. Goldstone bosons. Higgs mechanism for

spontaneous breaking of a gauge symmetry. Electroweak theory as an SU(2)xU(1)

gauge theory with spontaneously broken symmetry. Weak isospin and hypercharge.

Higgs field vacuum expectation value and its relation to the Fermi constant.

Weinberg angle.

8. Properties of electroweak bosons.

Photon, Z-boson and W-bosons. Their masses and couplings. Decay

properties of the W and Z bosons. Production of W and Z bosons at hadron

and lepton colliders. Properties of Higgs. Decay properties of top quark.

9. Advanced topics