The bosonization of the electroweak penguin operators
Fabbrichesi, M.; Lashin, Elsayed;
Abstract
We give the complete O(p 2 ) bosonization of the electroweak penguin operators Q 7,8 and compare the result with that of the gluon penguin operators Q 5,6 . We find that, in addition to the usual (constant and current-current) parts, there are three new terms not discussed previously in the literature. Two of these are present in the factorization approximation and should be included in the standard definition of the B 7,8 -factors. The impact of these corrections on the direct CP-violating parameter ε′/ε is briefly discussed.
Other data
| Title | The bosonization of the electroweak penguin operators | Authors | Fabbrichesi, M. ; Lashin, Elsayed | Issue Date | 1996 | Publisher | Elsevier | Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | DOI | 10.1016/0370-2693(96)01082-9 | Scopus ID | 2-s2.0-0001674762 |
Attached Files
| File | Description | Size | Format | |
|---|---|---|---|---|
| bosonization_penguin_9606279.pdf | 110.64 kB | Adobe PDF | View/Open |
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