D and Ds in mass loaded flux tube

  • Heavy-light hadrons are studied in a mass loaded flux tube model. The study indicates that the dynamics of mesons and baryons containing a c quark is described well by the mass loaded flux tube. The hypothesis of good diquark-antiquark degeneracy is found reasonable in heavy-light quark systems. The spectrum of charmed (D) and charmed strange (Ds) mesons is systematically computed. D and Ds in 1D multiplets are predicted to have lower masses in comparison with other theoretical predictions. The predicted masses of the 1(13D1) and the 3(13D3) Ds agree well with those of recently observed Ds1(2700)± and DsJ(2860), respectively.

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SHAN Hong-Yun and ZHANG Ai-Lin. D and Ds in mass loaded flux tube[J]. Chinese Physics C, 2010, 34(1): 16-21. doi: 10.1088/1674-1137/34/1/003
SHAN Hong-Yun and ZHANG Ai-Lin. D and Ds in mass loaded flux tube[J]. Chinese Physics C, 2010, 34(1): 16-21.  doi: 10.1088/1674-1137/34/1/003 shu
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Received: 2009-03-13
Revised: 2009-04-15
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D and Ds in mass loaded flux tube

    Corresponding author: ZHANG Ai-Lin,

Abstract: 

Heavy-light hadrons are studied in a mass loaded flux tube model. The study indicates that the dynamics of mesons and baryons containing a c quark is described well by the mass loaded flux tube. The hypothesis of good diquark-antiquark degeneracy is found reasonable in heavy-light quark systems. The spectrum of charmed (D) and charmed strange (Ds) mesons is systematically computed. D and Ds in 1D multiplets are predicted to have lower masses in comparison with other theoretical predictions. The predicted masses of the 1(13D1) and the 3(13D3) Ds agree well with those of recently observed Ds1(2700)± and DsJ(2860), respectively.

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