hi, while studying Majorana mass term can be added for the neutrino - as they are neutral - but cannot be added for the electron -as it would violate the charge conservation - i could not understand how charge conservation for Majorana mass term of electron is violated.
kindly help
for example D0 meson has several semi-leptonic decay - i want to find its branching ratio for k-, positron and electron neutrino , i can find its decay width
but it has different mode or channel also exist as mention in PDG , so do i have to find decay width for all of these modes and get...
hi, for studying one decay channel of particle - and measuring its decay width or life time - after this how do we proceed to find the branching ratio -
do we need to find the decay width of all possible channel - because its possible even by experiment we are missing some possible decay...
Hi, I Learned that we can add higher dimensional operator but they are non-renormalizable - but effect of higher dimensional operator is vanishes at low energy - my question is than how can we add higher dimensional operator at higher energy - like dimension 5 operator ( weinberg operator)...