PDF Profiling Using the Forward-Backward Asymmetry in Neutral Current Drell-Yan Production

Accomando, Elena; Novikov, Ivan; Moretti, Stefano; Zenaiev, Oleksandr; Glazov, Alexander; Luszczak, Agnieszka; Giuli, Francesco; Olness, Fred; Hautmann, Francesco; Abdolmaleki, Hamen; Fiaschi, Juri; Bertone, Valerio

doi:10.1007/JHEP10(2019)176

Report/Journal Article

PUBDB-2019-04768

PDF Profiling Using the Forward-Backward Asymmetry in Neutral Current Drell-Yan Production

Accomando, E. (Corresponding author) ; Fiaschi, J. (Corresponding author) ; Hautmann, F. (Corresponding author) ; Moretti, S. (Corresponding author) ; Bertone, V. (Corresponding author)Extern* ; Giuli, F. (Corresponding author) ; Abdolmaleki, H. (Corresponding author) ; Luszczak, A. (Corresponding author)Extern* ; Glazov, A.DESY* ; Olness, F. (Corresponding author) ; Novikov, I. (Corresponding author)Extern* ; Zenaiev, O. (Corresponding author)Extern*

2019
SISSA [Trieste]

Journal of high energy physics 2019(10), 176 (2019) [10.1007/JHEP10(2019)176]

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Please use a persistent id in citations: doi:10.1007/JHEP10(2019)176 doi:10.3204/PUBDB-2019-04768

Report No.: CERN-TH-2019-110; DESY-19-127; MS-TP-19-19; arXiv:1907.07727

Abstract: Non-perturbative QCD effects from Parton Distribution Functions (PDFs) may be constrained by using high-statistics Large Hadron Collider (LHC) data. Drell-Yan (DY) measurements in the Charged Current (CC) case provide one of the primary means to do this, in the form of the lepton charge asymmetry. We investigate here the impact of measurements in Neutral Current (NC) DY data mapped onto the Forward-Backward Asymmetry (A$_{FB}$) on PDF determinations, by using the open source fit platform xFitter. We demonstrate the potential impact of A$_{FB}$ data on PDF determinations and perform a thorough analysis of related uncertainties.

Keyword(s): angular distribution: asymmetry ; parton: distribution function ; lepton: charge: asymmetry ; effect: nonperturbative ; p p: production ; quantum chromodynamics ; p p: scattering ; Drell-Yan process ; neutral current ; CERN LHC Coll ; electroweak interaction ; charged current ; data analysis method ; statistical analysis

Classification:

ddc:530

Contributing Institute(s):

LHC/ATLAS Experiment (ATLAS)

Research Program(s):

611 - Fundamental Particles and Forces (POF3-611) (POF3-611)

Experiment(s):

LHC: ATLAS

Appears in the scientific report 2019

Database coverage:
Creative Commons Attribution CC BY (No Version)

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