The paper reports incremental updates to MMHT PDFs with emphasis on strange quark extraction from improved NNLO cross sections, extended parameterization, and correlated uncertainty treatment.
Inclusion of new LHC data in MMHT PDFs
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abstract
I consider the effects of including a variety of new LHC data sets into the MMHT approach for PDF determination. I consider the impact of fitting new LHC and Tevatron data, which leads to clear improvements in some PDF uncertainties. There are specific issues with ATLAS 7 TeV jet data and I include a discussion of the treatment of correlated uncertainties and briefly the effects of NNLO corrections. I also present preliminary results with the inclusion of the high precison final ATLAS 7 TeV $W,Z$ rapidity-dependent data.
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Updates of PDFs in the MMHT framework
The paper reports incremental updates to MMHT PDFs with emphasis on strange quark extraction from improved NNLO cross sections, extended parameterization, and correlated uncertainty treatment.