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Title: New parton distribution functions from a global analysis of quantum chromodynamics

Journal Article · · Physical Review D
 [1];  [2];  [3];  [4];  [2];  [5];  [5];  [5];  [5];  [5]
  1. Xinjiang Univ., Xinjiang (China); Michigan State Univ., East Lansing, MI (United States)
  2. Southern Methodist Univ., Dallas, TX (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Univ. of Manchester, Manchester (United Kingdom)
  5. Michigan State Univ., East Lansing, MI (United States)

Here, we present new parton distribution functions (PDFs) up to next-to-next-to-leading order (NNLO) from the CTEQ-TEA global analysis of quantum chromodynamics. These differ from previous CT PDFs in several respects, including the use of data from LHC experiments and the new D0 charged lepton rapidity asymmetry data, as well as the use of more flexible parametrization of PDFs that, in particular, allows a better fit to different combinations of quark flavors. Predictions for important LHC processes, especially Higgs boson production at 13 TeV, are presented. These CT14 PDFs include a central set and error sets in the Hessian representation. For completeness, we also present the CT14 PDFs determined at the leading order (LO) and the next-to-leading order (NLO) in QCD. Besides these general-purpose PDF sets, we provide a series of (N)NLO sets with various αs values and additional sets in general-mass variable flavor number (GM-VFN) schemes, to deal with heavy partons, with up to 3, 4, and 6 active flavors.

Research Organization:
Southern Methodist Univ., Dallas, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
SC0013681; SC0003870; FG02-96ER40969; AC02-06CH11357
OSTI ID:
1257282
Alternate ID(s):
OSTI ID: 1238094
Journal Information:
Physical Review D, Vol. 93, Issue 3; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 977 works
Citation information provided by
Web of Science

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Measurement of differential cross sections for $${\text {Z}}$$ Z boson production in association with jets in proton-proton collisions at $$\sqrt{s} = 13\,\text {TeV} $$ s = 13 TeV journal November 2018
Determination of the strong coupling constant using inclusive jet cross section data from multiple experiments journal January 2019
Measurement of associated production of a $$\mathrm {W}$$ W boson and a charm quark in proton–proton collisions at $$\sqrt{s} = 13\,\text {Te}\text {V} $$ s = 13 Te journal March 2019
Measurement of exclusive $$\mathrm {\Upsilon }$$ Υ photoproduction from protons in $$\mathrm {p}$$ p Pb collisions at $$\sqrt{\smash [b]{s_{_{\mathrm {NN}}}}} = 5.02\,\text {TeV} $$ s NN = 5.02 TeV journal March 2019
Nuclear parton distributions from lepton-nucleus scattering and the impact of an electron-ion collider: NNPDF Collaboration journal June 2019
Vector boson production in association with a jet at forward rapidities journal June 2019
Calculations for deep inelastic scattering using fast interpolation grid techniques at NNLO in QCD and the extraction of $$\alpha _{\mathrm {s}}$$ from HERA data journal October 2019
Measurement of the inclusive isolated photon production cross section in $$\text{ p }\text{ p }$$pp collisions at $$\sqrt{s}=7$$s=7 TeV journal November 2019
Top-quark charge asymmetry at the LHC and Tevatron through NNLO QCD and NLO EW text January 2018
Theoretical Framework book October 2016
Deeply virtual Compton scattering off the neutron journal January 2020
Constraining qqtt operators from four-top production: a case for enhanced EFT sensitivity journal February 2018
Probing nuclear modifications of parton distribution functions through the isolated prompt photon production at energies available at the CERN Large Hadron Collider journal May 2019
Probing the trilinear Higgs boson self-coupling at the high-luminosity LHC via multivariate analysis journal January 2020
Moments of nucleon generalized parton distributions from lattice QCD simulations at physical pion mass journal February 2020
Measurement of jet substructure observables in t t ¯ events from proton-proton collisions at s = 13 TeV journal November 2018
QCD QED NNLO corrections to Drell-Yan production journal November 2018
First Measurement of Charm Production in its Fixed-Target Configuration at the LHC journal April 2019
Observation of Light-by-Light Scattering in Ultraperipheral Pb + Pb Collisions with the ATLAS Detector journal July 2019
Hadrons and nuclei journal November 2019
PANDA as midrapidity detector for a future HESR Collider at FAIR journal June 2020
Measurement of the transverse momentum and $$\phi ^*_{\eta }$$ ϕ η ∗ distributions of Drell–Yan lepton pairs in proton–proton collisions at $$\sqrt{s}=8$$ s = 8  TeV with the ATLAS detector journal May 2016
Towards an automated tool to evaluate the impact of the nuclear modification of the gluon density on quarkonium, D and B meson production in proton–nucleus collisions journal December 2016
Determination of the strong coupling constant $${\varvec{{\alpha _\mathrm{s} (m_\mathrm{Z})}}}$$ α s ( m Z ) in next-to-next-to-leading order QCD using H1 jet cross section measurements: H1 Collaboration journal November 2017
An automated subtraction of NLO EW infrared divergences journal February 2018
A precise determination of the top-quark pole mass journal March 2018
Search for vector-like quarks in events with two oppositely charged leptons and jets in proton–proton collisions at $$\sqrt{s} = 13\,\text {Te}\text {V} $$ s = 13 Te journal April 2019
Measurement of the $${\mathrm {t}\overline{\mathrm {t}}}$$ t t ¯ production cross section, the top quark mass, and the strong coupling constant using dilepton events in pp collisions at $$\sqrt{s}=13\,\text {Te}\text {V} $$ s = 13 Te journal April 2019
Studies on gluon evolution and geometrical scaling in kinematic constrained unitarized BFKL equation: application to high-precision HERA DIS data journal June 2019
Measurement of $$W^\pm $$W± boson production in Pb+Pb collisions at $$\sqrt{s_{\mathrm{NN}}} = 5.02~\text {Te}\text {V}$$sNN=5.02Te with the ATLAS detector journal November 2019
Illuminating the photon content of the proton within a global PDF analysis journal January 2018
Charm Production and QCD Analysis at HERA and LHC text January 2015
Measurement of Jet Production Cross Sections in Deep-inelastic ep Scattering at HERA text January 2017
Two-loop splitting in double parton distributions text January 2019
Complete flavor decomposition of the spin and momentum fraction of the proton using lattice QCD simulations at physical pion mass text January 2020
Multiplicity Dependence in the Non-Extensive Hadronization Model Calculated by the HIJING++ Framework journal June 2019
Measurement of the Soft-Drop Jet Mass in pp Collisions at √s = 13 TeV with the ATLAS Detector text January 2018
Resummation for rapidity distributions in top-quark pair production journal March 2019
Nucleon parton distributions from hadronic quantum fluctuations journal August 2019
Determination of the strong coupling constant $$\alpha _\mathrm {s}$$ α s from transverse energy–energy correlations in multijet events at $$\sqrt{s} = 8~\hbox {TeV}$$ s = 8 TeV using the ATLAS detector journal December 2017
Measurement of differential cross sections for inclusive isolated-photon and photon+jet production in proton-proton collisions at $$\sqrt{s} = 13\,\text {TeV} $$ s = 13 TeV journal January 2019
Measurement of $$W^{\pm }$$-boson and Z-boson production cross-sections in pp collisions at $$\sqrt{s}=2.76$$ TeV with the ATLAS detector journal November 2019
Measurement of the Lund Jet Plane Using Charged Particles in 13 TeV Proton-Proton Collisions with the ATLAS Detector. text January 2020
Determination of electroweak parameters in polarised deep-inelastic scattering at HERA text January 2018
Charm Production and QCD Analysis at HERA and LHC text January 2017
Fiducial, total and differential cross-section measurements of $t$-channel single top-quark production in $pp$ collisions at 8 TeV using data collected by the ATLAS detector text January 2017
Parton distribution function with nonperturbative renormalization from lattice QCD text January 2018
A study of the role of the PDF uncertainty on the LHC $W$-boson mass measurement journal August 2019
Studying low x structure function models with astrophysical tau neutrinos journal October 2019
Photoproduction of the B c ( * ) meson at the LHeC journal February 2017
Hadronic final states in DIS at NNLO QCD with parton showers journal December 2018
EPPS16: nuclear parton distributions with LHC data journal March 2017
Measurement of jet activity produced in top-quark events with an electron, a muon and two b-tagged jets in the final state in pp collisions at $$\sqrt{s}=13$$ s = 13 TeV with the ATLAS detector journal April 2017
Precise predictions for $$V+$$ V + jets dark matter backgrounds journal December 2017
Search for new physics in dijet angular distributions using proton–proton collisions at $$\sqrt{s}=13\hbox {TeV}$$ s = 13 TeV and constraints on dark matter and other models journal September 2018
Measurement of $${{\mathrm{D}}^0}$$, $${{\mathrm{D}}^+}$$, $${{\mathrm{D}}^{*+}}$$ and $${{\mathrm{D}}^+_{\mathrm{s}}}$$ production in pp collisions at $${\sqrt{{\textit{s}}}~=~5.02~{\text {TeV}}}$$ with ALICE journal May 2019
A new simple PDF parametrization: Improved description of the HERA data journal October 2019
Soft-gluon corrections in top-quark production journal September 2018
Observation of Top Quark Production in Proton-Nucleus Collisions text January 2017
First Measurement of Charm Production in its Fixed-Target Configuration at the LHC text January 2019
The jet mass distribution after Soft Drop text January 2018
Moments of nucleon generalized parton distributions from lattice QCD simulations at physical pion mass text January 2020
Vector boson production in association with a jet at forward rapidities text January 2019
Measurement of differential cross sections for inclusive isolated-photon and photon+jet production in proton-proton collisions at $\sqrt{s} = 13\,\text {TeV} $ text January 2019
The Giant Radio Array for Neutrino Detection (GRAND): Science and design journal August 2019
Consistent treatment of charm production in higher-orders at tree-level within k T -factorization approach journal September 2019
Measurement of dijet azimuthal decorrelations in p p collisions at s = 8 TeV with the ATLAS detector and determination of the strong coupling journal November 2018
Measurements of the production cross section of a $$Z$$ Z boson in association with jets in pp collisions at $$\sqrt{s} = 13$$ s = 13  TeV with the ATLAS detector journal May 2017
Measurement of the triple-differential dijet cross section in proton-proton collisions at $$\sqrt{s}=8\,\text {TeV} $$ s = 8 TeV and constraints on parton distribution functions journal November 2017
Determination of the strong coupling constant $$\alpha _s \left( m_Z \right) $$ α s m Z from measurements of the total cross section for top–antitop-quark production journal November 2017
The jet mass distribution after Soft Drop journal February 2018
Neutral pion and $$\eta $$ η meson production in p–Pb collisions at $$\sqrt{s_{\mathrm{NN}}}$$ s NN  = 5.02 TeV journal August 2018
MSSM Higgs benchmark scenarios for Run 2 and beyond: the low $$\tan \beta $$ tan β region journal March 2019
Non-quadratic improved Hessian PDF reweighting and application to CMS dijet measurements at 5.02 TeV journal June 2019
Measurement of $$W^{\pm }Z$$ W ± Z production cross sections and gauge boson polarisation in pp collisions at $$\sqrt{s} = 13~\text {TeV}$$ s = 13 TeV with the ATLAS detector journal June 2019
Predictions for the Isolated Diphoton Production through NNLO in QCD and Comparison to the 8 TeV ATLAS Data journal August 2018
Constraints on the intrinsic charm content of the proton from recent ATLAS data text January 2018
Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions with the ATLAS detector text January 2019
Measurement of jet production cross sections in deep-inelastic ep scattering at HERA text January 2017
Unpolarized isovector quark distribution function from lattice QCD: A systematic analysis of renormalization and matching text January 2020
Complete matching for quasidistribution functions in large momentum effective theory text January 2019
Factorization of Jet Cross Sections in Heavy-Ion Collisions text January 2019
Observation of Top Quark Production in Proton-Nucleus Collisions text January 2017
Improved determination of d ¯ ( x ) u ¯ ( x ) flavor asymmetry in the proton by data from the BONuS experiment at JLAB and using an approach by Brodsky, Hoyer, Peterson, and Sakai journal December 2017
Pion and kaon parton distribution functions from basis light front quantization and QCD evolution journal February 2020
Fiducial, total and differential cross-section measurements of t-channel single top-quark production in pp collisions at 8 TeV using data collected by the ATLAS detector journal August 2017
Search for a new heavy gauge-boson resonance decaying into a lepton and missing transverse momentum in 36 fb $$^{-1}$$ - 1 of pp collisions at $$\sqrt{s} = 13$$ s = 13  TeV with the ATLAS experiment journal May 2018
Determination of electroweak parameters in polarised deep-inelastic scattering at HERA: H1 Collaboration and H. Spiesberger (Mainz) journal September 2018
Unintegrated gluon distribution from forward polarized $$\rho $$ ρ -electroproduction journal December 2018
B-meson production in the general-mass variable-flavour-number scheme and LHC data journal October 2019
Trace of nonperturbative charm content of the nucleon on Z + c-jet production journal June 2017
Parton distributions from high-precision collider data: NNPDF Collaboration text January 2017
Measurement of differential cross sections for inclusive isolated-photon and photon+jets production in proton-proton collisions at $\sqrt{s} =$ 13 TeV text January 2019
Calculations for deep inelastic scattering using fast interpolation grid techniques at NNLO in QCD and the extraction of alpha(s) from HERA data text January 2019
Next-to-leading order QCD predictions for top-quark pair production with up to three jets text January 2016
Matching the Quasi Parton Distribution in a Momentum Subtraction Scheme text January 2017
Gauge invariance and kaon production in deep inelastic scattering at low scales text January 2017
An automated subtraction of NLO EW infrared divergences text January 2017
Jet angularity measurements for single inclusive jet production text January 2018
Soft-gluon corrections in top-quark production text January 2018
Higher order corrections to spin correlations in top quark pair production at the LHC text January 2019
Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions with the ATLAS detector text January 2019
Anomalous ANITA air shower events and tau decays text January 2019
Ambiguities of the principle of maximum conformality procedure for hadron collider processes text January 2019
A theoretical study of top-mass measurements at the LHC using NLO+PS generators of increasing accuracy text January 2018
Matching generalized parton quasidistributions in the RI/MOM scheme text January 2019
Measurement of differential cross sections for top quark pair production using the lepton+jets final state in proton-proton collisions at 13 TeV text January 2017

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