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Next-to-next-to-leading-order QCD corrections to the transverse momentum distribution of weak gauge bosons.

Gehrmann-De Ridder, A. and Gehrmann, T. and Glover, E. W. N. and Huss, A. and Walker, D. M. (2018) 'Next-to-next-to-leading-order QCD corrections to the transverse momentum distribution of weak gauge bosons.', Physical review letters., 120 (12). p. 122001.

Abstract

The transverse momentum spectra of weak gauge bosons and their ratios probe the underlying dynamics and are crucial in testing our understanding of the standard model. They are an essential ingredient in precision measurements, such as the W boson mass extraction. To fully exploit the potential of the LHC data, we compute the second-order [next-to-next-to-leading-order (NNLO)] QCD corrections to the inclusive-pW T spectrum as well as to the ratios of spectra for W−=Wþ and Z=W. We find that the inclusion of NNLO QCD corrections considerably improves the theoretical description of the experimental CMS data and results in a substantial reduction of the residual scale uncertainties.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1103/PhysRevLett.120.122001
Publisher statement:Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
Date accepted:01 March 2018
Date deposited:05 April 2018
Date of first online publication:23 March 2018
Date first made open access:05 April 2018

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