Two-photon decay of light scalars: a comparison of tetraquark and quarkonium assignments

Two-photon decay of light scalars: a comparison of tetraquark and quarkonium assignments
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光标量的双光子衰变:四夸克和夸克元素分配的比较

DOI:
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发表时间:
2007
期刊:
arXiv: High Energy Physics - Phenomenology
影响因子:
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通讯作者:
F. Giacosa
F. Giacosa
中科院分区:
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文献类型:
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作者:
F. Giacosa

文献摘要

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在夸克偶素和四夸克分配中讨论了轻标量介子的双光子衰变:在这两种情况下,σ共振的衰变率都小于1 keV。
Two-photon decays of light scalar mesons are discussed within the quarkonium and tetraquark asignements: in both cases the decay rate of the sigma resonances turns out to be smaller than 1 keV.