Higher-order corrections to exclusive heavy vector meson production
Lappi, T., Mäntysaari, H., & Penttala, J. (2022). Higher-order corrections to exclusive heavy vector meson production. In DIS 2021 : Proceedings of the 28th International Workshop on Deep-Inelastic Scattering and Related Subjects (Article 133). Stichting SciPost. SciPost Physics Proceedings. https://doi.org/10.21468/SciPostPhysProc.8.133
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SciPost Physics ProceedingsDate
2022Copyright
© T. Lappi et al, 2022
We present results for higher-order corrections to exclusive J/ψJ/ψ production. This includes the first relativistic correction of order v2v2 in quark velocity, and next-to-leading order corrections in αsαs for longitudinally polarized production. The relativistic corrections are found to be important for a good description of the HERA data, especially at small values of the photon virtuality. The next-to-leading order results for longitudinal production are evaluated numerically. We also demonstrate how the vector meson production provides complementary information to the structure functions for extracting the initial condition for the small-xx evolution of the dipole-proton scattering amplitude.
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Stichting SciPostConference
International Workshop on Deep-Inelastic Scattering and Related SubjectsIs part of publication
DIS 2021 : Proceedings of the 28th International Workshop on Deep-Inelastic Scattering and Related SubjectsISSN Search the Publication Forum
2666-4003Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/150867212
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European Commission; Research Council of FinlandFunding program(s)
ERC European Research Council, H2020; Research costs of Academy Research Fellow, AoF; Postdoctoral Researcher, AoF; Academy Project, AoF; RIA Research and Innovation Action, H2020
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
Additional information about funding
This work was supported by the Academy of Finland, projects 314764 (H.M), 321840 (T.L and J.P) and 314162 (J.P), and by the EU Horizon 2020 research and innovation programme, STRONG-2020 project (Grant Agreement No. 824093). T.L is supported by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No. ERC-2015-CoG-681707). The content of this article does not reflect the official opinion of the European Union and responsibility for the information and views expressed therein lies entirely with the authors. ...License
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