Vector hidden-bottom tetraquark candidate: $Y(10750)$

Zhi-Gang Wang

Vector hidden-bottom tetraquark candidate: $Y(10750)$

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arxiv 1905.06610 v2 pith:N6Y7H4XC submitted 2019-05-16 hep-ph

Zhi-Gang Wang This is my paper

classification hep-ph

keywords gammatetraquarkantidiquarkconstituentsdiquarkhidden-bottomotimestype

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abstract

In this article, we take the scalar diquark and antidiquark operators as the basic constituents, construct the $C\gamma_5\otimes\stackrel{\leftrightarrow}{\partial}_\mu\otimes \gamma_5C$ type tetraquark current to study the $Y(10750)$ with the QCD sum rules. The predicted mass $M_{Y}=10.75\pm0.10\,\rm{GeV}$ and width $\Gamma_Y= 33.60^{+16.64}_{-9.45}\,{\rm{MeV}}$ support assigning the $Y(10750)$ to be the diquark-antidiquark type vector hidden-bottom tetraquark state, which has a relative P-wave between the diquark and antidiquark constituents.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

$\Upsilon(5S)$ in the unquenched quark model
hep-ph 2025-07 conditional novelty 5.0 of 10

A coupled-channel quark-model calculation shifts the bare Upsilon(5S) mass down by 31.4 MeV to 10896 MeV and argues that Upsilon(10860) and Upsilon(10753) are distinct states.

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