 Basic introduction of four forces of nature: electromagnetic, 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.
Spinflavour 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 electronproton scattering. Bjorken variable. Elastic, deepinelastic
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 crosssections in
terms of Mandelstam variables. AltarelliParisi evolution equation.
 Weak interaction. Analogy with electromagnetic interaction. Fourfermion
point interaction of Fermi. Weak interaction amplitude in terms of bilinear covariants.
Parity violation. Wus experiment. Correlation data. VA form of weak interaction
amplitude. Parity violations in $\Lambda^0$, $K^0$ decays. Strangeness oscillation.
CP violation in $K^0$ decay. Strangenessconserving and strangenessviolating
weak interactions. Cabbibo theory.
 Gauge theory of weak interaction. Spontaneous symmetry breaking and
Higgs mechanism. Electroweak unification. GlashowWeinbergSalam model of
electroweak symmetry breaking. $W^\pm$, $Z^0$ masses and fermion masses.
