Type

Conference Proceedings

Authors

Michael Peardon

Subjects

Physics

Topics
spectra variational method high energy physics symmetry lattice qcd spectroscopy computational excited states

Excited-state spectroscopy of singly, doubly and triply-charmed baryons from lattice QCD (2013)

Abstract We present the ground and excited state spectra of singly, doubly and triply-charmed baryons by using dynamical lattice QCD. A large set of baryonic operators that respect the symmetries of the lattice and are obtained after subduction from their continuum analogues are utilized. These operators transform as irreducible representations of SU(3)F symmetry for flavour, SU(4) symmetry for Dirac spins of quarks and O(3) symmetry for orbital angular momenta. Using novel computational techniques correlation functions of these operators are generated and the variational method is exploited to extract excited states. The lattice spectra that we obtain have baryonic states with well-defined total spins up to 7/2 and the low lying states remarkably resemble the expectations of quantum numbers from SU(6)⊗O(3) symmetry.
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Full list of authors on original publication

Michael Peardon

Experts in our system

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Michael James Peardon
Trinity College Dublin
Total Publications: 64