A framework based on linear response and influence functions maps data sensitivities in global QCD analyses to show how experiments determine central values, uncertainties, and correlations of non-perturbative functions.
Jing et al.,Quantifying the interplay of experimental constraints in analyses of parton distributions, Phys
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The STAR W+/W- cross section ratio is minimally affected by fiducial constraints and pT resummation, providing robust discrimination between ar d(x) and ar u(x) PDF models at x ~ 0.1 via L2 sensitivity and reweighting.
The report reviews progress since 2021 in fixed-order computations for LHC applications and identifies processes requiring missing higher-order corrections to match anticipated experimental precision.
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Mapping data sensitivities in global QCD analysis with linear response and influence functions
A framework based on linear response and influence functions maps data sensitivities in global QCD analyses to show how experiments determine central values, uncertainties, and correlations of non-perturbative functions.
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Probing SU(2) Quark Flavor Asymmetry with W Bosons at RHIC
The STAR W+/W- cross section ratio is minimally affected by fiducial constraints and pT resummation, providing robust discrimination between ar d(x) and ar u(x) PDF models at x ~ 0.1 via L2 sensitivity and reweighting.
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Les Houches 2023 -- Physics at TeV Colliders: Report on the Standard Model Precision Wishlist
The report reviews progress since 2021 in fixed-order computations for LHC applications and identifies processes requiring missing higher-order corrections to match anticipated experimental precision.