Status of the W-boson mass averaging project
Simone Amoroso (on behalf of the Tevatron/LHC W-mass combination, Working Group)
TL;DR
This paper reviews the progress of a project that combines W-boson mass measurements from Tevatron and LHC, focusing on correcting for modeling differences and improving theoretical descriptions to enhance measurement accuracy.
Contribution
It introduces methods to correct measurements to a common model and PDFs, enabling more accurate combination of data from different experiments.
Findings
Development of correction methods for PDFs and modeling variations
Quantitative combination of measurements considering PDF correlations
Discussion on the impact of improved theoretical models
Abstract
We present the current status of the W-boson mass averaging project, an ongoing effort aimed at combining Tevatron and LHC measurements. Methods are presented to accurately evaluate the effect of PDFs and other modelling variations on existing measurements. Based on this approach, the measurements can be corrected to a common modelling reference and to the same PDFs, and subsequently combined accounting for PDF correlations in a quantitative way. We discuss the combination procedure, and the impact of improvements in the theoretical description of W-boson production and decay.
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