Journal
PHYSICAL REVIEW D
Volume 84, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.84.034023
Keywords
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Funding
- Fundamental Research Funds for the Central Universities [WK2030040020]
- National Natural Science Foundation of China [10705009, 10875001]
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The hadron loop effect is conjectured to be important in understanding discrepancies between the observed states in experiments and the theoretical expectations of the nonrelativistic potential model. We present that in an easily operable procedure the hadron loop effect could shift the poles downwards to reduce the differences and provide better descriptions of both the masses and the total widths, at least, of the radial quantum number n = 1 charmed and charmed-strange states. The 1(1)P(1) - 1(3)P(1) mixing phenomena could be naturally explained due to their couplings with common channels. The newly observed D states are also addressed, but there are still some problems that remain unclear.
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