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W-boson production in TMD factorization
Daniel Gutierrez-Reyes1, Sergio Leal-Gomez2, Ignazio Scimemi1
1Departamento de Física Teórica and IPARCOS, Universidad Complutense de Madrid (UCM), Plaza Ciencias 1, 28040 Madrid, Spain.
The European Physical Journal. C, Particles and Fields
|November 1, 2021
Summary
This study uses transverse momentum dependent distributions (TMD) from Drell-Yan and deep inelastic scattering to predict W boson production at hadron colliders. Results validate TMD predictions for W boson physics.
Area of Science:
- High Energy Physics
- Quantum Chromodynamics (QCD)
Background:
- W boson production at hadron colliders is sensitive to transverse momentum dependent distributions (TMD) at low boson transverse momentum.
- Non-perturbative QCD contributions are often extrapolated from Z boson production.
Purpose of the Study:
- To use existing TMD extractions from Drell-Yan and semi-inclusive deep inelastic scattering (SIDIS) to check and predict W boson production.
- To analyze transverse momentum dependent cross sections for W and Z bosons under various fiducial cuts and kinematic conditions.
Main Methods:
- Utilized an existing extraction of TMDs, derived using the Artemide code, incorporating data from Drell-Yan and SIDIS processes.
- Applied fiducial cuts and kinematic power corrections to calculate transverse momentum dependent cross sections across different vector boson transverse mass intervals.
- Studied both W and Z boson production, as well as their charge asymmetries.
Main Results:
- Compared predictions with recent experimental data from ATLAS and CMS, as well as results from the Tevatron.
- Demonstrated the utility of existing TMDs for W boson production studies.
- Showcased the consistency of TMD predictions across different vector boson types and kinematic regimes.
Conclusions:
- The study encourages further experimental and phenomenological investigations into TMDs for W boson production.
- Validated the use of TMDs extracted from other processes for W boson physics.
- Highlights the potential for deeper understanding of non-perturbative QCD effects in electroweak boson production.
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