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The Parton Branching Sudakov and its relation to CSS
/ Martinez, A Bermudez (CERN) ; Hautmann, F (CERN ; Antwerp U. ; Oxford U.) ; Keersmaekers, L (Antwerp U.) ; Lelek, A (Antwerp U.) ; Mendizabal Morentin, M (DESY, Zeuthen) ; Monfared, S Taheri (DESY, Zeuthen) ; van Kampen, A M (Antwerp U.)
The Transverse Momentum Dependent (TMD) Parton Branching (PB) method is a Monte Carlo (MC) approach to obtain QCD high energy collider predictions grounded in ideas originating from the TMD factorization. It provides an evolution equation for the TMD parton distribution functions (TMDs) and a framework to use those within TMD MC generators.This work focuses on the structure of the PB Sudakov form factor. [...]
2024 - 6 p.
- Published in : PoS EPS-HEP2023 (2024) 270
Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023, pp.270
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Extending parton branching TMDs to small $x$
/ Monfared, Sara Taheri (DESY) ; Hautmann, Francesco (Oxford U. ; Basque U., Bilbao ; Antwerp U. ; Rutherford ; Oxford U., Theor. Phys.) ; Jung, Hannes (DESY) ; Schmitz, Melanie (DESY)
We explore the possibility to include small-$x$ dynamics effects in the parton branching (PB) approach to transverse momentum dependent (TMD) parton distribution functions. To this end, we first revisit the PB method at leading order, presenting a new fit to inclusive-DIS precision data, and performing a numerical study of the dynamic soft-gluon resolution scale. [...]
arXiv:1908.01621.-
SISSA, 2019-07-21 - 6 p.
- Published in : PoS DIS2019 (2019) 136
Fulltext: PoS(DIS2019)136 - PDF; 1908.01621 - PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.136
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3.
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Production of Z-bosons in the parton branching method
/ Bermudez Martinez, A. (DESY) ; Connor, P. (DESY) ; Dominguez Damiani, D. (DESY) ; Estevez Banos, L.I. (DESY) ; Hautmann, F. (Antwerp U. ; Basque U., Bilbao ; CERN) ; Jung, H. (DESY) ; Lidrych, J. (DESY) ; Schmitz, M. (DESY) ; Taheri Monfared, S. (DESY) ; Wang, Q. (DESY ; Peking U.) et al.
Transverse Momentum Dependent (TMD) parton distributions obtained from the Parton Branching (PB) method are combined with next-to-leading-order (NLO) calculations of Drell-Yan (DY) production. We apply the MCatNLO method for the hard process calculation and matching with the PB TMDs. [...]
arXiv:1906.00919; DESY-19-087; CERN-TH-2019-095; DESY 19-087.-
2019-10-25 - 10 p.
- Published in : Phys. Rev. D 100 (2019) 074027
Article from SCOAP3: PDF; Fulltext: PDF;
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4.
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A parton branching with transverse momentum dependent splitting functions
/ Hautmann, F. (Antwerp U. ; CERN ; Oxford U.) ; Hentschinski, M. (Americas U., Puebla) ; Keersmaekers, L. (Antwerp U.) ; Kusina, A. (Cracow, INP) ; Kutak, K. (Cracow, INP) ; Lelek, A. (Antwerp U.)
Off-shell, transverse-momentum dependent splitting functions can be defined from the high-energy limit of partonic decay amplitudes. Based on these splitting functions, we construct Sudakov form factors and formulate a new parton branching algorithm. [...]
arXiv:2205.15873; CERN-TH-2022-087; IFJPAN-IV-2022-8.-
2022-10-10 - 8 p.
- Published in : Phys. Lett. B 833 (2022) 137276
Fulltext: PDF;
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Azimuthal correlations in high pT processes with the TMD parton branching method at NLO
/ van Kampen, Mees (Antwerp U.) ; Martinez, A Bermudez (DESY) ; Banos, L I Estevez (DESY) ; Hautmann, F (Antwerp U. ; CERN ; Oxford U.) ; Jung, H (DESY) ; Mendizabal, M (DESY) ; Figueroa, K Moral (Edinburgh U.) ; Prestel, S (Lund U.) ; Monfared, S Taheri (DESY) ; Wang, Q (DESY ; Peking U.) et al.
We discuss our recent results on azimuthal distributions in vector boson + jets and multi-jet production at the LHC, obtained from the matching of next-to-leading order (NLO) perturbative matrix elements with transverse momentum dependent (TMD) parton branching. We present a comparative analysis of boson-jet and jet-jet correlations in the back to-back region, and a study of the theoretical systematic uncertainties associated with the matching scale in the cases of TMD and collinear parton showers..
arXiv:2209.13945.-
2022 - 6 p.
- Published in : PoS ICHEP2022 (2022) 830
Fulltext: document - PDF; 2209.13945 - PDF;
In : 41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022, pp.830
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6.
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TMD parton distributions from parton showers
/ Schmitz, Melanie (DESY) ; Hautmann, Francesco (Antwerp U. ; Rutherford ; Basque U., Bilbao) ; Jung, Hannes (DESY ; CERN) ; Monfared, Sara Taheri (DESY)
We present the determination of Transverse Momentum Dependent (TMD) parton distributions from Monte Carlo parton showers. We investigate the effective TMD distributions obtained from the PYTHIA8 and HERWIG6 parton showers and compare them to the TMD distributions determined within the Parton Branching method..
arXiv:1907.09441.-
SISSA, 2019-07-21 - 6 p.
- Published in : PoS DIS2019 (2019) 134
Fulltext: 1907.09441 - PDF; PoS(DIS2019)134 - PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.134
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The small $k_{\textrm{T}}$region in Drell–Yan production at next-to-leading order with the parton branching method
/ Bubanja, I. (Montenegro U. ; Vrije U., Brussels) ; Bermudez Martinez, A. (CERN) ; Favart, L. (Vrije U., Brussels) ; Guzman, F. (Unlisted, CU) ; Hautmann, F. (CERN ; Antwerp U. ; Oxford U.) ; Jung, H. (DESY ; Hamburg U., Inst. Theor. Phys. II) ; Lelek, A. (Antwerp U.) ; Mendizabal, M. (DESY) ; Figueroa, K. Moral (DESY) ; Moureaux, L. (Hamburg U.) et al.
The Parton Branching (PB) method describes the evolution of transverse momentum dependent (TMD) parton distributions, covering all kinematic regions from small to large transverse momenta kT. The small kT-region is very sensitive both to the contribution of the intrinsic motion of partons (intrinsic kT) and to the resummation of soft gluons taken into account by the PB TMD evolution equations. [...]
arXiv:2312.08655; DESY-23-209.-
2024-02-15 - 16 p.
- Published in : Eur. Phys. J. C 84 (2024) 154
Fulltext: 2312.08655 - PDF; Publication - PDF;
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