[HTML][HTML] Science requirements and detector concepts for the electron-ion collider: EIC yellow report

RA Khalek, A Accardi, J Adam, D Adamiak, W Akers… - Nuclear Physics A, 2022 - Elsevier
This report describes the physics case, the resulting detector requirements, and the evolving
detector concepts for the experimental program at the Electron-Ion Collider (EIC). The EIC …

Parton distributions and lattice QCD calculations: a community white paper

HW Lin, ER Nocera, F Olness, K Orginos, J Rojo… - Progress in Particle and …, 2018 - Elsevier
In the framework of quantum chromodynamics (QCD), parton distribution functions (PDFs)
quantify how the momentum and spin of a hadron are divided among its quark and gluon …

The path to proton structure at 1% accuracy: NNPDF Collaboration

RD Ball, S Carrazza, J Cruz-Martinez… - The European Physical …, 2022 - Springer
We present a new set of parton distribution functions (PDFs) based on a fully global dataset
and machine learning techniques: NNPDF4. 0. We expand the NNPDF3. 1 determination …

Combined SMEFT interpretation of Higgs, diboson, and top quark data from the LHC

JJ Ethier, G Magni, F Maltoni, L Mantani… - Journal of High Energy …, 2021 - Springer
A bstract We present a global interpretation of Higgs, diboson, and top quark production and
decay measurements from the LHC in the framework of the Standard Model Effective Field …

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

RD Ball, J Butterworth, AM Cooper-Sarkar… - Journal of Physics G …, 2022 - iopscience.iop.org
A precise knowledge of the quark and gluon structure of the proton, encoded by the parton
distribution functions (PDFs), is of paramount importance for the interpretation of high …

[PDF][PDF] The path to proton structure at 1% accuracy

N Collaboration, RD Ball, S Carrazza, J Cruz-Martinez… - Eur. Phys. J. C, 2022 - Springer
We present a new set of parton distribution functions (PDFs) based on a fully global dataset
and machine learning techniques: NNPDF4. 0. We expand the NNPDF3. 1 determination …

nNNPDF3. 0: evidence for a modified partonic structure in heavy nuclei

R Abdul Khalek, R Gauld, T Giani, ER Nocera… - The European Physical …, 2022 - Springer
We present an updated determination of nuclear parton distributions (nPDFs) from a global
NLO QCD analysis of hard processes in fixed-target lepton-nucleus and proton-nucleus …

Evidence for intrinsic charm quarks in the proton

Nature, 2022 - nature.com
The theory of the strong force, quantum chromodynamics, describes the proton in terms of
quarks and gluons. The proton is a state of two up quarks and one down quark bound by …

LHAPDF6: parton density access in the LHC precision era

A Buckley, J Ferrando, S Lloyd, K Nordström… - The European Physical …, 2015 - Springer
The Fortran LHAPDF library has been a long-term workhorse in particle physics, providing
standardised access to parton density functions for experimental and phenomenological …

Parton distributions for the LHC Run II

RD Ball, V Bertone, S Carrazza, CS Deans… - Journal of High Energy …, 2015 - Springer
A bstract We present NNPDF3. 0, the first set of parton distribution functions (PDFs)
determined with a methodology validated by a closure test. NNPDF3. 0 uses a global …