Even- and odd-parity charmed meson masses in heavy hadron chiral perturbation theory

Phys. Rev. D 72, 034006 – Published 9 August 2005
Thomas Mehen and Roxanne P. Springer

Abstract

We derive mass formulas for the ground state, JP=0- and 1-, and first excited even-parity, JP=0+ and 1+, charmed mesons including one-loop chiral corrections and O(1/mc) counterterms in heavy hadron chiral perturbation theory. We show that including these counterterms is critical for fitting the current data. We find that certain parameter relations in the parity doubling model are not renormalized at one-loop, providing a natural explanation for the observed equality of the hyperfine splittings of ground state and excited doublets.

DOI: http://dx.doi.org/10.1103/PhysRevD.72.034006

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  • Received 20 April 2005
  • Published 9 August 2005

© 2005 The American Physical Society

Authors & Affiliations

Thomas Mehen1,2,* and Roxanne P. Springer1,†

  • 1Department of Physics, Duke University, Durham, North Carolina 27708, USA
  • 2Jefferson Laboratory, 12000 Jefferson Avenue, Newport News, Virginia 23606, USA

  • *Electronic address: mehen@phy.duke.edu
  • Electronic address: rps@phy.duke.edu

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