EFFECTIVE HAMILTONIAN OF ELECTROWEAK PENGUIN FOR HADRONIC B QUARK DECAYS

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MEHRBAN H.

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Journal: Journal of Sciences, Islamic Republic of Iran Year:2009 | Volume:20 | Issue:2 Page(s): 167-185

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Information Journal Paper

Title

EFFECTIVE HAMILTONIAN OF ELECTROWEAK PENGUIN FOR HADRONIC B QUARK DECAYS

Author(s)

MEHRBAN H. | Issue Writer Certificate

Keywords

EFFECTIVE HAMILTONIANQ3

B QUARKQ3

GLUONIC PENGUINQ3

ELECTROWEAK PENGUINQ3

MAGNETIC DIPOLEQ3

Abstract

In this research we work with the EFFECTIVE HAMILTONIAN and the quark model. We investigate the decay rates of matter-antimatter of B QUARK. We describe the EFFECTIVE HAMILTONIAN theory and apply this theory to the calculation of current current (Q1,2 ), QCD penguin (Q3,...,6 ), MAGNETIC DIPOLE (Q8) and ELECTROWEAK PENGUIN (Q'7,…10 ) decay rates. The GLUONIC PENGUIN structure of hadronic b decays b®q g ®qkqiqj- q is studied through the Wilson coefficients of the EFFECTIVE HAMILTONIAN. We calculate the branching ratios of the tree-level, EFFECTIVE HAMILTONIAN, EFFECTIVE HAMILTONIAN including ELECTROWEAK PENGUIN, EFFECTIVE HAMILTONIAN including MAGNETIC DIPOLE and the EFFECTIVE HAMILTONIAN including ELECTROWEAK PENGUIN and MAGNETIC DIPOLE B QUARK decays b® qkqiqj-, qiÎ{u,c}, qkÎ{d,s}, qj‾Î{u-,c-} . We show that, the ELECTROWEAK PENGUIN and MAGNETIC DIPOLE contributions in B QUARK decays are small and Current-Current operators are dominant.

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APA: Copy

MEHRBAN, H.. (2009). EFFECTIVE HAMILTONIAN OF ELECTROWEAK PENGUIN FOR HADRONIC B QUARK DECAYS. JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN, 20(2), 167-185. SID. https://sid.ir/paper/84102/en

Vancouver: Copy

MEHRBAN H.. EFFECTIVE HAMILTONIAN OF ELECTROWEAK PENGUIN FOR HADRONIC B QUARK DECAYS. JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN[Internet]. 2009;20(2):167-185. Available from: https://sid.ir/paper/84102/en

IEEE: Copy

H. MEHRBAN, “EFFECTIVE HAMILTONIAN OF ELECTROWEAK PENGUIN FOR HADRONIC B QUARK DECAYS,” JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN, vol. 20, no. 2, pp. 167–185, 2009, [Online]. Available: https://sid.ir/paper/84102/en

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