Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-10-14
ECONFC0605151:0024,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, talk and poster presented at IPM-LHP06, Tehran, Iran; PSN: IPM-LHP06-19May
Scientific paper
In this research we describe effective Hamiltonian theory and apply this theory to the calculation of current-current $Q_{12}$ and QCD penguin $Q_{3...6}$ decay rates We calculate the decay rates of semileptonic and hadronic of charm quark in effective Hamiltonian theory. We investigate the decay rates of D meson decays according to Spectator Quark Model(SQM) for the calculation of D meson decays. We obtain the total decay rates of semileptonic and hadronic of charm quark in effective Hamiltonian according to colour Favoured (C-F) and colour Suppressed (C-S), and then to added amplitude of processes colour Favoured and colour Suppressed (F-S) and obtain the decay rates of them.
Ghominejad Mehrdad
Mehraban Hossein
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