Details of PH4204 (Spring 2017)

Level: 4 Type: Theory Credits: 3.0

Course CodeCourse NameInstructor(s)
PH4204 High Energy Physics Ritesh Kumar Singh


  • Basic introduction of four forces of nature: electro-magnetic, weak,
    strong and gravitational.

  • Kinematics of decay and scattering reactions. Differential decay rates
    and differential reaction rates. Pion and muon decay and basic nature of
    weak interactions.

  • Static model ( $SU(3)_f$ ) of quarks. Baryon and meson supermultiplets.
    Spin-flavour state functions of baryon decouplets, baryon octets and meson nonets.
    Colour wave functions. Magnetic moments of baryons. Principles of discoveries of
    heavy flavours: Charm, bottom and top.(Detailed experimental techniques not needed).
    Summary of quantum numbers of all quark flavours. Vector mesons and their decays.
    Zweig rule.

  • High energy electron-proton scattering. Bjorken variable. Elastic, deep-inelastic
    regimes. Derivation of inclusive scattering cross section in terms of structure
    functions. Bjorken scaling. Scaling violation. Concepts of Mandelstam variables.
    Compton scattering and gluon emission scattering amplitudes and cross-sections in
    terms of Mandelstam variables. Altarelli-Parisi evolution equation.

  • Weak interaction. Analogy with electromagnetic interaction. Four-fermion
    point interaction of Fermi. Weak interaction amplitude in terms of bilinear covariants.
    Parity violation. Wus experiment. Correlation data. V-A form of weak interaction
    amplitude. Parity violations in $\Lambda^0$, $K^0$ decays. Strangeness oscillation.
    CP violation in $K^0$ decay. Strangeness-conserving and strangeness-violating
    weak interactions. Cabbibo theory.

  • Gauge theory of weak interaction. Spontaneous symmetry breaking and
    Higgs mechanism. Electroweak unification. Glashow-Weinberg-Salam model of
    electroweak symmetry breaking. $W^\pm$, $Z^0$ masses and fermion masses.

Basics of Quantum Field Theory


  1. Introduction to High Energy Physics -- D.H.Perkins, Addison Wesley (1982)
  2. Quarks and Leptons: An Introductory Course in Modern Particle Physics
    -- F. Halzen and A.D.Martin, John Wiley & Sons (1983)
  3. The ideas of Particle Physics:An introduction for Scientists
    -- G.D.Coughlan, J.E.Dodd and B.M.Gripaios, Cambridge University Press(1984).
  4. Introduction to Gauge Field Theory -- D. Bailin & A. Love,
    Overseas Press (India) Private Limited (2004)
  5. Introduction to Elementary Particle Physics -- A. Bettini
    Cambridge University Press (2008)
  6. Gauge Field Theory of Elementary Particle Physics -- Cheng & Li
    Oxford University Press (2000)

Course Credit Options

Sl. No.ProgrammeSemester NoCourse Choice
1 IP 2 Not Allowed
2 IP 4 Elective
3 IP 6 Not Allowed
4 MR 2 Not Allowed
5 MR 4 Not Allowed
6 MS 8 Elective
7 RS 1 Elective
8 RS 2 Elective