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A Lattice Study of (bar{D}₁ D^(*))^pm Near-threshold Scattering

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arxiv 1602.00200 v2 pith:6UL7CFOD submitted 2016-01-31 hep-lat

A Lattice Study of (bar{D}₁ D^(*))^pm Near-threshold Scattering

classification hep-lat
keywords latticethresholdchannelsnearscatteringsystemanalyzedaround
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this exploratory lattice study, low-energy near threshold scattering of the $(\bar{D}_1 D^{*})^\pm$ meson system is analyzed using lattice QCD with $N_f=2$ twisted mass fermion configurations. Both s-wave ($J^P=0^-$) and p-wave ($J^P=1^+$) channels are investigated. It is found that the interaction between the two charmed mesons is attractive near the threshold in both channels. This calculation provides some hints in the searching of resonances or bound states around the threshold of $(\bar{D}_1 D^{*})^\pm$ system.

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