Regular Article - Theoretical Physics
A first estimate of triply heavy baryon masses from the pNRQCD perturbative static potential
Departamento de Física Teórica I, Universidad Complutense, 28040, Madrid, Spain
* e-mail: firstname.lastname@example.org
Revised: 20 April 2012
Published online: 3 June 2012
Within pNRQCD we compute the masses of spin-averaged triply heavy baryons using the now-available NNLO pNRQCD potentials and three-body variational approach. We focus in particular on the role of the purely three-body interaction in perturbation theory. This we find to be reasonably small and of the order 25 MeV. Our prediction for the Ω ccc baryon mass is 4900(250) MeV in keeping with other approaches. We propose to search for this hitherto unobserved state at B factories by examining the end point of the recoil spectrum against triple charm.
© Springer-Verlag / Società Italiana di Fisica, 2012