HERA Inclusive Neutral and Charged Current Cross Sections and a New PDF Fit, HERAPDF 2.0

Abstract : In this talk, I present the brand new results from the H1 and ZEUS Collaborations on the combination of all previously published inclusive deep inelastic cross sections at HERA for neutral and charged current $e^\pm p$ scattering for zero beam polarisation and the corresponding parton distributions functions, HERAPDF 2.0, at up to next-to-next-to-leading order (NNLO). The results also include a new precise determination at next-to-leading order (NLO) of the strong coupling constant $\alpha_s(M^2_Z)=0.1184\pm 0.0016$ (excluding scale uncertainties) based on a simultaneous fit to the combined inclusive cross section data and jet production data.
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http://hal.in2p3.fr/in2p3-01230201
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Submitted on : Wednesday, November 18, 2015 - 9:00:23 AM
Last modification on : Thursday, January 11, 2018 - 6:14:22 AM

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  • HAL Id : in2p3-01230201, version 1
  • ARXIV : 1511.05402

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Zhiqing Zhang. HERA Inclusive Neutral and Charged Current Cross Sections and a New PDF Fit, HERAPDF 2.0. EDS Blois 2015 Conference, Jun 2015, Borgo, France. ⟨in2p3-01230201⟩

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