Photoproduction of fully-charmed tetraquark at electron-ion colliders. (arXiv:2311.08292v1 [hep-ph])
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In this work we investigate the inclusive photoproduction of the $C$-odd
$S$-wave fully-charmed tetraquark at electron-ion colliders within the
nonrelativistic QCD (NRQCD) factorization framework, at the lowest order in
velocity and $\alpha_s$. The value of the NRQCD long-distance matrix element is
estimated from two phenomenological potential models. Our studies reveal that
the photoproduction of $1^{+-}$ fully-charmed tetraquark may be difficult to
observe at HERA and EicC, nevertheless its observation prospect at EIC appears
to be bright.
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