Abstract
Using the soft-collinear effective theory we derive the factorization theorem for the decays [Formula Presented] with [Formula Presented], at leading order in [Formula Presented] and [Formula Presented]. The results derived here apply even if [Formula Presented] is not perturbative, and we prove that the physics sensitive to the [Formula Presented] scale is the same in [Formula Presented] and [Formula Presented] form factors. We argue that [Formula Presented] penguins could give long-distance effects at leading order. Decays to two transversely polarized vector mesons are discussed. Analyzing [Formula Presented] we find predictions for [Formula Presented] and [Formula Presented] as a function of [Formula Presented].
| Original language | English |
|---|---|
| Pages (from-to) | 10 |
| Number of pages | 1 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 70 |
| Issue number | 5 |
| DOIs | |
| State | Published - 2004 |
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