Today's Astro Class

Dear Fourth Sem students,

I will be discussing 'baryogenesis' and 'leptogenesis' process that occurs after electro-weak symmetry breaking. These processes are believed to be responsible for the formation of first proton and first electron in the early Universe. In the last class we briefly discussed the nature of lagrangian before and after  spontaneous symmetry breaking. Today we will focus on the role of strong force after electro-weak symmetry breaking and finally the importance of weak force during hadron epoch. We do not go into the details of non-perturbative gauge field, but we will define and mention it.

Tomorrow I will be taking Particle Physics class in which we discuss the applications of Born formula (I will give you first set of numerical for HW).

See you at 13:15 (Seminar Hall).

-- 
-----------------------------------------
Prof. Dr. Binil Aryal
Head
Central Department of Physics
Tribhuvan University, Kirtipur, NEPAL
Tel. 00977 9803228105 (mobile)
      00977 14330469 (office)
http://www.tucdp.edu.np/index.php
------------------------------
** Senator: TU Assembly
** Member: Academic Council, TU
** Member: Faculty Board Standing Committee, IoST, TU
** Member: Research Committee, IoE, TU
** Member: Subject Committee, IoE, TU
** Member: Managing Committee, RECAST, TU
** Member: Subject Standing Committee, CDES, TU
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