Universidad Complutense de Madrid
E-Prints Complutense

A first estimate of triply heavy baryon masses from the pNRQCD perturbative static potential

Impacto

Downloads

Downloads per month over past year

Llanes Estrada, Felipe José and Pavlova, Olga I and Williams, Richard (2012) A first estimate of triply heavy baryon masses from the pNRQCD perturbative static potential. European Physical Journal C, 72 . ISSN 1434-6044

[img] PDF
Restringido a Repository staff only hasta 31 December 2020.

1MB
[img] PDF
443kB

Official URL: http://dx.doi.org/10.1140/epjc/s10052-012-2019-9




Abstract

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 Omega(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.


Item Type:Article
Additional Information:

© Springer-Verlag.
Financial support by grants FPA2011-27853-01, FIS2008-01323 plus 227431, Hadron-Physics2 (EU) and PR34-1856-BSCH, UCM-BSCH GR58/08, 910309, PR34/07-15875, SB2010-0012. We thankfully acknowledge the computer resources, technical expertise and assistance provided by the CeSViMa and the Spanish Supercomputing Network. FJLE is a recipient of a Caja Madrid fellowship and thanks the hospitality of the TU-Munich theoretical physics group and especially Nora Brambilla and Antonio Vairo, who have been influential in several aspects of this work.

Uncontrolled Keywords:Quark-Model, Quantum Chromodynamics, Ground-State, Qcd, Gauge, Confinement, Integration, Spectrum, Loops, Field
Subjects:Sciences > Physics
ID Code:21584
Deposited On:21 Jun 2013 17:01
Last Modified:19 Feb 2015 09:01

Origin of downloads

Repository Staff Only: item control page