Čuić, Marija; Duplančić, Goran; Kumerički, Krešimir; Passek-Kumerički, Kornelija (2023) NLO corrections to the deeply virtual meson production revisited: impact on the extraction of generalized parton distributions. Journal of High Energy Physics, 2023 (12). ISSN 1029-8479
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Abstract
We revisit the next-to-leading order (NLO) perturbative QCD corrections for the deeply virtual meson production (DVMP) process, exploring its phenomenology both in isolation and in a multichannel fit combined with deeply virtual Compton scattering (DVCS). Our approach involves the conformal partial wave (CPaW) formalism, which allows for the straightforward inclusion of higher-order contributions and evolutionary effects. Our findings indicate that a description of the longitudinal component of the vector meson DVMP cross-section at high energies is achievable only at NLO within the standard collinear approach. Furthermore, we demonstrate a simultaneous description of DIS, DVCS, and DVMP processes, providing insights into the proton structure described at NLO by unique universal generalized parton distribution (GPD) functions.
| Item Type: | Article | ||||||||||||
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| Uncontrolled Keywords: | QCD Phenomenology; Parton Distributions; Properties of Hadrons | ||||||||||||
| Subjects: | NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields | ||||||||||||
| Divisions: | Theoretical Physics Division | ||||||||||||
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| Depositing User: | Kornelija Passek-Kumerički | ||||||||||||
| Date Deposited: | 07 Feb 2024 08:46 | ||||||||||||
| URI: | http://fulir.irb.hr/id/eprint/8468 | ||||||||||||
| DOI: | 10.1007/JHEP12(2023)192 |
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