Eur. Phys. J. C (2007) 49: 737-741
https://doi.org/10.1140/epjc/s10052-006-0149-7

Regular Article - Theoretical Physics

Chiral radiative corrections and the D_s(2317)/D(2308) mass puzzle

¹ Department of Physics, Kunsan National University, Kunsan, 573-701, Korea
² Department of Physics, Seoul National University, Seoul, 151-742, Korea
³ CSSM, University of Adelaide, Adelaide, 5005, Australia
⁴ Department of Physics, Chungnam National University, Daejon, 305-764, Korea

^* e-mail: tlee@kunsan.ac.kr

Received: 29 March 2006
Revised: 22 September 2006
Published online: 2 December 2006

Abstract

We show that the one-loop chiral corrections for heavy light mesons in the potential model can explain the small mass of D_s(2317) as well as the small mass gap between D_s(2317) and D(2308).