Azimuthal angular correlation of $J/ψ$ plus jet production at the electron-ion collider
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| Format: | Preprint |
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2024
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| _version_ | 1866929662179934208 |
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| author | Maxia, Luca Yuan, Feng |
| author_facet | Maxia, Luca Yuan, Feng |
| contents | By investigating the soft gluon radiation in the $J/ψ$ plus jet photoproduction at the electron-ion collider (EIC), we demonstrate that the azimuthal angular correlations between the leading jet and heavy quarkonium provide a unique probe to the production mechanism of the latter. In particular, a significant $\cos(ϕ)$ asymmetry is found for the color-singlet channel, whereas it vanishes or has an opposite sign for color-octet production, depending on the jet transverse momentum. Numerical results of $\cos(ϕ)$ and $\cos(2ϕ)$ asymmetries employing both the color-singlet model and the nonrelativistic QCD approach are presented for typical kinematics at the future EIC. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_02097 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Azimuthal angular correlation of $J/ψ$ plus jet production at the electron-ion collider Maxia, Luca Yuan, Feng High Energy Physics - Phenomenology High Energy Physics - Experiment By investigating the soft gluon radiation in the $J/ψ$ plus jet photoproduction at the electron-ion collider (EIC), we demonstrate that the azimuthal angular correlations between the leading jet and heavy quarkonium provide a unique probe to the production mechanism of the latter. In particular, a significant $\cos(ϕ)$ asymmetry is found for the color-singlet channel, whereas it vanishes or has an opposite sign for color-octet production, depending on the jet transverse momentum. Numerical results of $\cos(ϕ)$ and $\cos(2ϕ)$ asymmetries employing both the color-singlet model and the nonrelativistic QCD approach are presented for typical kinematics at the future EIC. |
| title | Azimuthal angular correlation of $J/ψ$ plus jet production at the electron-ion collider |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2403.02097 |