Unpolarized PDF sets

The most updated NNPDF sets are:


Name

LHAPDF6 grids

NNPDF4.0 QCD LO alpha_s(M_Z) = 0.118

NNPDF40_lo_as_01180

NNPDF4.0 QCD NLO alpha_s(M_Z) = 0.118

NNPDF40_nlo_as_01180

NNPDF4.0 QCD NNLO alpha_s(M_Z) = 0.118

NNPDF40_nnlo_as_01180

NNPDF4.0 QCD aN3LO alpha_s(M_Z) = 0.118 NNPDF40_an3lo_as_01180
NNPDF40 nlo as 01180 qed

NNPDF40 nlo as 01180 qed

NNPDF40 nnlo as 01180 qed

NNPDF40 nnlo as 01180 qed


Timeline

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NNPDF4.0 aN3LO

The first NNPDF4.0 PDF sets at approximate N3LO, and full consistent suite of PDF sets from NLO to N3LO both including and not including in the PDF uncertainty MHOUs on the processes used for PDF determination

Reference: arXiv:2402.18635,

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February

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NNPDF4.0 MHOU

NNPDF4.0 NNLO PDF set whose uncertainty  includes MHOUs on the processes used for PDF determination

Reference: arXiv:2401.10319,

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January

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NNPDF4.0 QED

NNPDF4.0 NLO and NNLO PDF sets including a photon PDF determined using the LuxQED method.

Reference: arXiv:2401.08749,

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January

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NNPDF4.0 charm asymmetry study

A data-driven determination of the intrinsic charm asymmetry in the proton

Reference: arXiv:2311.00743,

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November

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NNPDF4.0 regularisation study

Regularising experimental correlations in LHC data: theory and application to a global analysis of parton distributions

Reference: arXiv:2207.00690,

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May

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NNPDF3.1.1

The PDF4LHC21 combination of global PDF fits for the LHC Run III

Reference: arXiv:2203.05506 ,

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March

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NNPDF4.0 charm study

Determination of the intrisic charm content of the proton from a global PDF analysis

Reference: https://www.nature.com/articles/s41586-022-04998-2,

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December 2021

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NNPDF4.0

First PDF determination based on machine learning and a wide global set of LHC data

Reference: arXiv:2109.02653, The path to proton structure at one percent accuracy

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September 2021

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NNPDF3.1strangeness

Reference: arXiv:2009.00014, The strangest proton? 

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August 2020

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NNPDF3.1jets

Reference: arXiv:2005.11327Phenomenology of NNLO jet production at the LHC and its impact on parton distributions

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May 2020

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NNPDF3.1singletop

Reference: arXiv:1912.09543Single top production in PDF fits 

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December 2019

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NNPDF3.1th

Reference: arXiv:1905.04311, A first determination of parton distributions with theory uncertainties

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May 2019

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NNPDF3.1nuc

Reference: arXiv:1812.09074Nuclear Uncertainties in the Determination of Proton PDFs

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December 2018

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NNPDF3.1 alphas

Reference: arXiv:1802.03398Precision determination of the strong coupling constant within a global PDF analysis

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December 2018

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NNPDF3.1+ ATLAS photon

Reference: arXiv:1802.03021, Direct photon production and PDF fits reloaded

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February 2018

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NNPDF3.1luxQED

The NNPDF photon PDF based on the LUXqed approach.

Reference: arXiv:1712.07053, Illuminating the photon content of the proton within a global PDF analysis

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December 2017

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NNPDF3.1sx

The first set of PDFs with small-x resummation.

Reference: arXiv:1710.05935, Parton distributions with small-x resummation: evidence for BFKL dynamics in HERA data

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October 2017

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NNPDF3.1

A global PDF determination with new LHC data from Run I.

Reference: arXiv:1706.00428, catalog of plots, Parton distributions from high-precision collider data

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June 2017

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NNPDF3IC

The first NNPDF determination of the charm content of the proton.

Reference: arXiv:1605.06515, A Determination of the Charm Content of the Proton

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May 2016

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NNPDF3.0QED

Reference: arXiv:1606.0713

Combining NNPDF3.0 and NNPDF2.3QED through the APFEL evolution code

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June 2016

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NNPDF3.0resum

Reference: arXiv:1507.01006

Parton distributions with threshold resummation

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July 2015

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NNPDF3.0

Reference: arXiv:1410.8849

Parton distributions for the LHC Run II

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October 2014

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NNPDF2.3QED

References: arXiv:1308.0598arXiv:1307.1131
and arXiv:1305.4179

Parton distributions with QED corrections

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August 2013

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NNPDF2.3

Reference: arXiv:1207.1303

Parton distributions with LHC data

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July 2012

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NNPDF2.2

Reference: arXiv:1108.1758

Reweighting and Unweighting of Parton Distributions and the LHC W lepton asymmetry data

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August 2011

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NNPDF2.1

Reference: arXiv:1101.1300, arXiv:1107.2652

Impact of Heavy Quark Masses on Parton Distributions and LHC Phenomenology

Unbiased global determination of parton distributions and their uncertainties at NNLO and at LO

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January 2011

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NNPDF2.0

First NNPDF global set of PDFs.

Reference: arXiv:1002.4407

January 2011

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NNPDF1.2

First set with strange PDF determined from charged current data.

Reference: arXiv:0906.1958

June 2009

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NNPDF1.1

First set with independent strangeness parametrization.

Reference: arXiv:0811.2288

November 2008

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NNPDF1.0

A determination of parton distributions from deep-inelastic data.

Reference: arXiv:0808.1231

August 2008

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NNPDF nonsinglet

Neural network determination of parton distributions: the nonsinglet case

Reference: hep-ph/0701127

July 2007

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NNPDF F2p

First determination of the F2p structure function using Neural Networks.

Reference: hep-ph/0501067

January 2005