K -> pi pi Electroweak Penguins in the Chiral Limit

6533b838fe1ef96bd12a4722

RESEARCH PRODUCT

K -> pi pi Electroweak Penguins in the Chiral Limit

John F. Donoghue Vincenzo Cirigliano Kim Maltman Kim Maltman Eugene Golowich

subject

Physics Nuclear and High Energy Physics Particle physics 010308 nuclear & particles physics Electroweak interaction High Energy Physics::Phenomenology Scale (descriptive set theory)01 natural sciences Atomic and Molecular Physics and Optics Matrix (mathematics)High Energy Physics - Phenomenology 0103 physical sciences High Energy Physics::Experiment Limit (mathematics)Sum rule in quantum mechanics 010306 general physics

description

We report on dispersive and finite energy sum rule analyses of the electroweak penguin matrix elements in the chiral limit. We accomplish the correct perturbative matching (scale and scheme dependence) at NLO in alpha_s, and we describe two different strategies for numerical evaluation.

year	journal	country	edition	language
2002-09-27

10.1016/s0920-5632(03)01846-2 http://arxiv.org/abs/hep-ph/0209332

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