**Valery Zamiralov**

**Introduction****Groups and algebras. Basic notions****Representations of the Lie groups and algebras****Unitary unimodular group SU(2)****SU(2) as a spinor group****Isospin group SU(2)****Unitary symmetry group SU(3)**

**II. Unitary symmetry and quarks**

**Eightfold way. Mass formulae in SU(3)**- Baryon and meson unitary multiplets
- Mass formulae for octet of pseudoscalar mesons
- Mass formulae for octet of baryons J
^{P}= 1/2^{+} - Nonet of the vector meson and mass formulae
- Decuplet of baryon resonances with
J
^{P}= 3/2^{+}and its mass formulae

**Praparticles and hypothesis of quarks****Quark model. Mesons in quark model****Charm and its arrival in particle physics****The fifth quark. Beauty****Truth or top?****Baryons in quark model**

**III. Currents in unitary symmetry and quark models**

**Electromagnetic current in the models of unitary symmetry and of quarks**- On magnetic moments of barions
- Radiative decays of vector mesons
- Leptonic decays of vector mesons
*V--> l*^{+}l^{-}

**Photon as a gauge field****Rho-meson as a gauge field****Vector and axial-vector currents in unitary symmetry and quark model**- General remarks on weak interaction
- Weak currents in unitary symmetry model
- Weak currents in a quark model

**IV. Introduction to Salam-Weinberg-Glashow model**

**Neutral weak currents**- GIM model
- Construction of the Salam-Weinberg model
- Six quark model and CKM matrix

**Vector bosons W and Y as gauge fields****About Higgs mechanism**

**Colour and its appearence in particle physics**- Gluon as a gauge field
- Simple examples with coloured quarks

**VI. Conclusion**