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Three-Loop Mixing of Dipole Operators

Abstract:
We calculate the complete three-loop O(alpha_s^3) anomalous dimension matrix for the dimension-five dipole operators that arise in the Standard Model after integrating out the top quark and the heavy electroweak bosons. Our computation completes the three-loop anomalous dimension matrix of operators that govern low-energy |Delta F| = 1 flavor-changing processes, and represents an important ingredient of the next-to-next-to-leading order QCD analysis of the Bbar -> X_s gamma decay.

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Publisher copy:
10.1103/PhysRevLett.95.102004

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author


Journal:
Phys.Rev.Lett. More from this journal
Volume:
95
Pages:
102004
Publication date:
2005-04-21
DOI:


Keywords:
Pubs id:
pubs:177508
UUID:
uuid:8e2f8e26-a636-4deb-8b17-df72c88a38d0
Local pid:
pubs:177508
Source identifiers:
177508
Deposit date:
2012-12-19

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