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Effect of flavor-dependent partonic transverse momentum on the determination of the W mass at hadron colliders

Contributo in Atti di convegno
Data di Pubblicazione:
2019
Abstract:
We explore the impact of a flavor-dependent intrinsic transverse momentum of quarks on the pro- duction of W ± bosons in proton-proton collisions at hadron colliders. We build a template fit to the transverse-mass and the lepton transverse-momentum distributions of the W decay products. We estimate the shift in the extracted value of the W mass induced by different choices of flavor- dependent parameters for the quark intrinsic transverse momentum, that all reproduce the same transverse-momentum distribution of the Z boson. Our findings call for more detailed investiga- tions of nonperturbative effects, which might affect very precise determinations of some Standard Model parameters even at kinematics where these effects are expected to be small.
Tipologia CRIS:
04B-Conference paper in rivista
Elenco autori:
Radici, Marco; Bacchetta, Alessandro; Bozzi, Giuseppe; Signori, Andrea
Autori di Ateneo:
SIGNORI Andrea
Link alla scheda completa:
https://iris.unito.it/handle/2318/1894383
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1894383/1100596/PoSDIS2019133.pdf
Pubblicato in:
POS PROCEEDINGS OF SCIENCE
Journal
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Dati Generali

URL

https://inspirehep.net/literature/1756440
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