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$D_sD^*$ molecule as an axial meson · Around

2008

$D_sD^*$ molecule as an axial meson

Lee, Su Houng, Nielsen, Marina, Wiedner, Ulrich

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We use QCD sum rules to study the possible existence of a $D_s\bar{D}^*+ D_s^*\bar{D}$ molecule with the quantum number $J^P=1^+$.

We consider the contributions of condensates up to dimension eight and work at leading order in $\alpha_s$.
We obtain $m_{D_sD^*}=(3.96\pm0.10) \GeV$ around 100 MeV above the mass of the meson X(3872).
The proposed state is a natural generalized state to the strangeness sector of the X(3872), which was also found to be consistent with a multiquark state from a previous QCD sum rule analysis.

Built on

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