On the PB Sudakov: NNLL coefficient, CS kernel and intrinsic-kt
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| Format: | Preprint |
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2025
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| _version_ | 1866911283920502784 |
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| author | Lelek, Aleksandra |
| author_facet | Lelek, Aleksandra |
| contents | The Transverse Momentum Dependent (TMD) Parton Branching (PB) method incorporates elements of TMD physics into a Monte Carlo (MC) framework to produce high-energy QCD predictions for collider processes. It derives TMDs from the PB evolution equation - solvable with MC techniques - fits them to
data, and then enables their use in MC event generators for QCD predictions. In this article, we describe the relation of the PB Sudakov form factor to the Sudakov factor in the CSS formalism. We discuss both perturbative and non-perturbative components. We present recent developments to include NNLL coefficient in the PB Sudakov. We discuss the CS kernel extractions for different evolution scenarios. We remark the recent studies on intrinsic-kt vs center-of-mass (in)dependence in different approaches and their relation to the non-perturbative Sudakov. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_19318 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the PB Sudakov: NNLL coefficient, CS kernel and intrinsic-kt Lelek, Aleksandra High Energy Physics - Phenomenology The Transverse Momentum Dependent (TMD) Parton Branching (PB) method incorporates elements of TMD physics into a Monte Carlo (MC) framework to produce high-energy QCD predictions for collider processes. It derives TMDs from the PB evolution equation - solvable with MC techniques - fits them to data, and then enables their use in MC event generators for QCD predictions. In this article, we describe the relation of the PB Sudakov form factor to the Sudakov factor in the CSS formalism. We discuss both perturbative and non-perturbative components. We present recent developments to include NNLL coefficient in the PB Sudakov. We discuss the CS kernel extractions for different evolution scenarios. We remark the recent studies on intrinsic-kt vs center-of-mass (in)dependence in different approaches and their relation to the non-perturbative Sudakov. |
| title | On the PB Sudakov: NNLL coefficient, CS kernel and intrinsic-kt |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2511.19318 |