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The ρ(ω)/B*(B) system and bound states in the unitary local Hidden Gauge approach

机译:ρω)/ B * B )系统和绑定状态在单一的局部隐藏式方法中

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In this work, we study systems composed of a ρ/ω and B~(*) meson pair. We find three bound states in isospin, spin-parity channels (1/2, 0~(+)), (1/2, 1~(+)) and (1/2, 2~(+)). The state with J = 2 can be a good candidate for the B ~(*)_(2)(5747). We also study the ρB system, and a bound state with mass 5728 MeV and width around 20 MeV is obtained, which can be identified with the B _(1)(5721) resonance. In the case of I = 3/2, one obtains repulsion and thus, no exotic (molecular) mesons in this sector are generated in the approach.
机译:在这项工作中,我们研究由ρ/ω和B〜(*)介子对组成的系统。我们在同位旋,自旋奇偶通道(1/2,0〜(+)),(1/2,1〜(+))和(1/2,2〜(+))中发现了三个束缚态。 J = 2的状态可能是B〜(*)_(2)(5747)的良好候选者。我们还研究了ρB系统,获得了质量为5728 MeV,宽度约为20 MeV的束缚态,可以通过B _(1)(5721)共振来识别。在I = 3/2的情况下,人们会获得排斥力,因此在该方法中不会在此扇区中生成外来(分子)介子。

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