Extraction of the b-quark shape function parameters using the Belle B->X_s gamma photon energy spectrum

2004/07/29 by A. Limosani, Limosani, A., T. Nozaki +1
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ex

paper · pdf · doi:10.48550/arxiv.hep-ex/0407052

of the Belle Collaboration for the Heavy Flavor Averaging Group

openalex publication_date 2004/07/29 · arxiv created 2005/01/30 · arxiv updated 2009/12/01 · openalex created_date 2024/04/11 · openalex updated_date 2026/07/28

Abstract

We determine the b-quark shape function parameters, Lambda^SF and lambda₁^SF using the Belle B->X_s gamma photon energy spectrum. We assume three models for the form of the shape function; Exponential, Gaussian and Roman.

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