A POWHEG generator for deep inelastic scattering
Fuente:
arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| Soggetti: | |
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| _version_ | 1866909097127837696 |
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| author | Banfi, Andrea Ravasio, Silvia Ferrario Jäger, Barbara Karlberg, Alexander Reichenbach, Felix Zanderighi, Giulia |
| author_facet | Banfi, Andrea Ravasio, Silvia Ferrario Jäger, Barbara Karlberg, Alexander Reichenbach, Felix Zanderighi, Giulia |
| contents | We present a new event generator for the simulation of both neutral- and charged-current deep inelastic scattering (DIS) at next-to-leading order in QCD matched to parton showers using the POWHEG method. Our implementation builds on the existing POWHEG BOX framework originally designed for hadron-hadron collisions, supplemented by considerable extensions to account for the genuinely different kinematics inherent to lepton-hadron collisions. In particular, we present new momentum mappings that conserve the special kinematics found in DIS, which we use to modify the POWHEG BOX implementation of the Frixione-Kunszt-Signer subtraction mechanism. We compare our predictions to fixed-order and resummed predictions, as well as to data from the HERA ep collider. Finally we study a few representative distributions for the upcoming Electron Ion Collider. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2309_02127 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | A POWHEG generator for deep inelastic scattering Banfi, Andrea Ravasio, Silvia Ferrario Jäger, Barbara Karlberg, Alexander Reichenbach, Felix Zanderighi, Giulia High Energy Physics - Phenomenology High Energy Physics - Experiment We present a new event generator for the simulation of both neutral- and charged-current deep inelastic scattering (DIS) at next-to-leading order in QCD matched to parton showers using the POWHEG method. Our implementation builds on the existing POWHEG BOX framework originally designed for hadron-hadron collisions, supplemented by considerable extensions to account for the genuinely different kinematics inherent to lepton-hadron collisions. In particular, we present new momentum mappings that conserve the special kinematics found in DIS, which we use to modify the POWHEG BOX implementation of the Frixione-Kunszt-Signer subtraction mechanism. We compare our predictions to fixed-order and resummed predictions, as well as to data from the HERA ep collider. Finally we study a few representative distributions for the upcoming Electron Ion Collider. |
| title | A POWHEG generator for deep inelastic scattering |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2309.02127 |