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Decay Widths of Excited Heavy Mesons from Quantum Chromodynamics
Sum Rules in the Infinite Mass Limit |
| DAI Yuan-ben1;HUANG Chao-shang1;HUANG Ming-qiu2;JIN Hong-ying2;LIU Chun3 |
| 1Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080
2Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
3Center for Theoretical Physics, Seoul National University, Seoul, 151-742
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| Cite this article: |
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DAI Yuan-ben, HUANG Chao-shang, HUANG Ming-qiu et al 1998 Chin. Phys. Lett. 15 558-560 |
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Abstract The widths for pionic decays of the lowest two excited doublets (0+, 1+) and (1+, 2+) of heavy mesons are studied with quantum Chromodynamics sum rules in the heavy quark effective theory. The interpolating currents used allow us to distinguish the two 1+ states without contamination in the infinite mass limit. The soft pion approximation is not used in the calculations.
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| Keywords:
13.25.Hw
13.20.Fc
13.30.Eg
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Published: 01 August 1998
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