Perturbative QCD
Fuente:
arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914226371559424 |
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| author | Heinrich, Gudrun Olsson, Anton |
| author_facet | Heinrich, Gudrun Olsson, Anton |
| contents | We give an introduction to perturbative Quantum Chromodynamics, focusing on a pedagogical description of concepts and methods to calculate cross sections measured at high energy colliders. After introducing basic concepts that allow for a perturbative expansion, such as factorisation and asymptotic freedom, we introduce loop integrals and the treatment of ultraviolet and infrared divergences in QCD. The definition of jets and event shape observables is also discussed. Finally, we give a brief overview of the current state of the art. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_02790 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Perturbative QCD Heinrich, Gudrun Olsson, Anton High Energy Physics - Phenomenology We give an introduction to perturbative Quantum Chromodynamics, focusing on a pedagogical description of concepts and methods to calculate cross sections measured at high energy colliders. After introducing basic concepts that allow for a perturbative expansion, such as factorisation and asymptotic freedom, we introduce loop integrals and the treatment of ultraviolet and infrared divergences in QCD. The definition of jets and event shape observables is also discussed. Finally, we give a brief overview of the current state of the art. |
| title | Perturbative QCD |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2509.02790 |