Eur Phys J C (2004) 33: s288-s290
https://doi.org/10.1140/epjcd/s2003-03-206-2

PS02 Rare Decays

New NNLL QCD results on the decay B → X _s ℓ⁺ ℓ^–

¹ Department of Physics, University of Rochester, Rochester, NY 14627, USA
² Theoretical Physics Division, CERN, CH-1211 Genève 23, Switzerland and, SLAC, Stanford University, Stanford, CA 94309, USA
³ INFN, Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
⁴ Michigan Center for Theoretical Physics, Univ. of Michigan, Ann Arbor MI 48109-1120, USA

Received: 12 November 2003
Accepted: 25 November 2003
Published online: 3 December 2003

Abstract

We present here new NNLL predictions on the inclusive rare decay B → X _s ℓ⁺ ℓ^– based on our new two-loop QCD analysis of the four-quark operators.

PACS: 12.38.Cy – 13.66.Jn – 13.20.He