DD-pair production in the parton Reggeization approach taking into account single and double parton scattering scenarios
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866918482984042496 |
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| author | Alimov, Lev Saleev, Vladimir |
| author_facet | Alimov, Lev Saleev, Vladimir |
| contents | The paper presents the results of calculations of the cross sections for the production of $DD$-pairs at centre-of-mass energies $\sqrt{s}=7$ and $13$ TeV in the parton Reggeization approach. The contribution of both single and double parton scattering is taken into account. To describe the non-perturbative effects of $c$-quark hadronization into $D$-mesons, a fragmentation model with the Peterson fragmentation function is used. The parameter $σ_{eff}=11.5^{+0.6}_{-0.5}$ mb, which determines the contribution of the double parton scattering mechanism, is fixed on the basis of a comparison with the available LHCb collaboration experimental data on the $D$-meson pairs production at $\sqrt{s}=7$ TeV. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2605_03433 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | DD-pair production in the parton Reggeization approach taking into account single and double parton scattering scenarios Alimov, Lev Saleev, Vladimir High Energy Physics - Phenomenology The paper presents the results of calculations of the cross sections for the production of $DD$-pairs at centre-of-mass energies $\sqrt{s}=7$ and $13$ TeV in the parton Reggeization approach. The contribution of both single and double parton scattering is taken into account. To describe the non-perturbative effects of $c$-quark hadronization into $D$-mesons, a fragmentation model with the Peterson fragmentation function is used. The parameter $σ_{eff}=11.5^{+0.6}_{-0.5}$ mb, which determines the contribution of the double parton scattering mechanism, is fixed on the basis of a comparison with the available LHCb collaboration experimental data on the $D$-meson pairs production at $\sqrt{s}=7$ TeV. |
| title | DD-pair production in the parton Reggeization approach taking into account single and double parton scattering scenarios |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2605.03433 |