Unpolarized PDF sets
The most updated NNPDF sets are:
Name |
LHAPDF6 grids |
|---|---|
| NNPDF4.0 QCD LO alpha_s(M_Z) = 0.118 | |
| NNPDF4.0 QCD NLO alpha_s(M_Z) = 0.118 | |
| NNPDF4.0 QCD NNLO alpha_s(M_Z) = 0.118 | |
| NNPDF4.0 QCD aN3LO alpha_s(M_Z) = 0.118 | NNPDF40_an3lo_as_01180 |
| NNPDF40 nlo as 01180 qed | |
| NNPDF40 nnlo as 01180 qed |
Timeline
NNPDF4.0 MC
Variant of the NNPDF4.0 PDF set tailored to modern LHC event generators
Reference: arXiv:2406.12961,
May
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,
February
NNPDF4.0 MHOU
NNPDF4.0 NNLO PDF set whose uncertainty includes MHOUs on the processes used for PDF determination
Reference: arXiv:2401.10319,
January
NNPDF4.0 QED
NNPDF4.0 NLO and NNLO PDF sets including a photon PDF determined using the LuxQED method.
Reference: arXiv:2401.08749,
January
NNPDF4.0 charm asymmetry study
A data-driven determination of the intrinsic charm asymmetry in the proton
Reference: arXiv:2311.00743,
November
NNPDF4.0 regularisation study
Regularising experimental correlations in LHC data: theory and application to a global analysis of parton distributions
Reference: arXiv:2207.00690,
May
NNPDF3.1.1
The PDF4LHC21 combination of global PDF fits for the LHC Run III
Reference: arXiv:2203.05506 ,
March
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,
December 2021
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
September 2021
NNPDF3.1jets
Reference: arXiv:2005.11327, Phenomenology of NNLO jet production at the LHC and its impact on parton distributions
May 2020
NNPDF3.1th
Reference: arXiv:1905.04311, A first determination of parton distributions with theory uncertainties
May 2019
NNPDF3.1nuc
Reference: arXiv:1812.09074, Nuclear Uncertainties in the Determination of Proton PDFs
December 2018
NNPDF3.1 alphas
Reference: arXiv:1802.03398, Precision determination of the strong coupling constant within a global PDF analysis
December 2018
NNPDF3.1+ ATLAS photon
Reference: arXiv:1802.03021, Direct photon production and PDF fits reloaded
February 2018
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
December 2017
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
October 2017
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
June 2017
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
May 2016
NNPDF3.0QED
Reference: arXiv:1606.0713
Combining NNPDF3.0 and NNPDF2.3QED through the APFEL evolution code
June 2016
NNPDF2.3QED
References: arXiv:1308.0598, arXiv:1307.1131
and arXiv:1305.4179
Parton distributions with QED corrections
August 2013
NNPDF2.2
Reference: arXiv:1108.1758
Reweighting and Unweighting of Parton Distributions and the LHC W lepton asymmetry data
August 2011
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
January 2011
NNPDF1.2
First set with strange PDF determined from charged current data.
Reference: arXiv:0906.1958
June 2009
NNPDF1.1
First set with independent strangeness parametrization.
Reference: arXiv:0811.2288
November 2008
NNPDF1.0
A determination of parton distributions from deep-inelastic data.
Reference: arXiv:0808.1231
August 2008
NNPDF nonsinglet
Neural network determination of parton distributions: the nonsinglet case
Reference: hep-ph/0701127
July 2007
NNPDF F2p
First determination of the F2p structure function using Neural Networks.
Reference: hep-ph/0501067
January 2005