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We compute the fragmentation function of a light quark into S-wave fully charmed tetraquarks (T4c) within the nonrelativistic QCD framework, at leading order in αs and v. We present results for light quark fragmentation into T4c and predict its contribution to T4c production at high transverse momentum (pT) at the large hadron collider and electron-ion collider. We also compare light quark fragmentation with charm quark and gluon fragmentation channels. Our analysis shows that the production cross section for T4c from light quark fragmentation is smaller than that from gluon fragmentation but larger than that from charm quark fragmentation.
Bai et al. (Mon,) studied this question.