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arXiv · 2109.03103

Holographic charm and bottom pentaquarks III: Excitations through photo-production of heavy mesons

Yizhuang Liu·Kiminad A. Mamo·Maciej A. Nowak·Ismail Zahed
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Abstract

We consider the photo-excitation of charm and bottom pentaquarks with the holographic assignments $[\frac 12\frac 12^-]_{S=0,1}$ and $[\frac 12\frac 32^-]_{S=1}$, in the photo-production of heavy vector mesons such as charmonia and bottomonia near threshold. We use a Witten diagram to combine the s-channel photo-excitation of holographic pentaquarks with a massive t-channel graviton or tensor glueball exchange, to extract the scattering amplitude for heavy meson photo-production in the threshold region. The pentaquark signal is too weak to be detected at current electron facilities.

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Yizhuang Liu, Kiminad A. Mamo, Maciej A. Nowak, Ismail Zahed. 2021-09-07. Holographic charm and bottom pentaquarks III: Excitations through photo-production of heavy mesons. https://doi.org/10.1103/physrevd.104.114023

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