Calculation of (O 2, O 7) interference for $$\bar B \to X_S \gamma \gamma$$ decay
Autor: | A. G. Yeghiazaryan |
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Rok vydání: | 2012 |
Předmět: | |
Zdroj: | Journal of Contemporary Physics (Armenian Academy of Sciences). 47:1-4 |
ISSN: | 1934-9378 1068-3372 |
Popis: | Within the Standard Model the contribution from diagrams with interference of electromagnetic dipole operators O7 and O2 in the \(\bar B \to X_S \gamma \gamma\) decay is calculated to the leading order with respect to the constant of strong interaction. Results are obtained in analytical form due to use of automated Laporta algorithm and Mellin-Barnes representation. |
Databáze: | OpenAIRE |
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