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Heavy quarkonium spectral function in the spinning black hole background

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arxiv 2406.19661 v2 pith:F3DB76W7 submitted 2024-06-28 hep-ph

Heavy quarkonium spectral function in the spinning black hole background

classification hep-ph
keywords angulardissociationmomentumbackgroundblackfunctionheavyhole
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this paper, we study the dissociation of heavy quarkonium in the spinning black hole background. Specifically, we analyze the spectral function of charmonium and bottomonium in the spinning black hole background and examine how the angular momentum affects the dissociation of $J/\Psi$ and $\Upsilon(1S)$. From the results, we find that the angular momentum and temperature decreases the peak height and expands the peak width of the spectral function, thereby enhancing the dissociation of heavy vector mesons. Moreover, the angular momentum has a stronger dissociation effect in the transverse orientation, revealing the directional influence of angular momentum.

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Cited by 1 Pith paper

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    hep-ph 2026-07 conditional novelty 5.0

    An effective light-front wave function whose five-dimensional piece comes from holographic QCD yields pion gravitational form factors A(Q^{2}) and D(Q^{2}) that match lattice results after parameter tuning.