Eur. Phys. J. C (2006) 48: 441-449
https://doi.org/10.1140/epjc/s10052-006-0045-1

Theoretical Physics

Semileptonic B decays into even parity charmed mesons

¹ Dipartimento di Scienze Fisiche, Università di Napoli “Federico II”, Napoli, Italy
² Sezione di Napoli, Istituto Nazionale di Fisica Nucleare, Napoli, Italy

^* e-mail: pietro.santorelli@na.infn.it

Received: 1 August 2006
Published online: 24 October 2006

Abstract

By using a constituent quark model we compute the form factors relevant to semileptonic transitions of the B mesons into low-lying p-wave charmed mesons. We evaluate the q² dependence of these form factors and compare them with other model calculations. The Isgur–Wise functions τ_1/2 and τ_3/2 are also obtained in the heavy quark limit of our results.