2003/07/27 by Vera G. Luth
Physics and Astronomy · #hep-ex
published as eConf C0304052 (2003) WG108 · Invited Talk at rhe Workshop on the CKM Unitarity Triangle, IPPP Durham, April 2003 (eConf C0304052)
arxiv created 2003/07/27 · arxiv updated 2009/12/01
A preliminary measurement of the second moments of the hadron mass in B --> X l nu decays by the BABAR Collaboration is reported. These measurements are performed as a function of the lepton momentum above a given threshold.