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Proton strucure for discovery at the Large Hadron Collider (NNNPDF)

Project
The objective of this project is to revolutionize the way the structure of the proton is accessed, determined, and used in the computation of physical processes at hadron colliders such as the Large Hadron Collider (LHC) of CERN. At a hadron accelerator, predictions require a precise, detailed, and accurate description and understanding of the structure of the colliding protons, as encoded in parton distributions (PDFs) - the distributions of quarks and gluons. At the LHC, PDFs are at present the major source of uncertainty, and in the near future they will be the main hurdle for discovery. The vision of this project is to remove this hurdle by attacking the problem using recent results from artificial intelligence (AI). I will lead a research team of two staff scientists, four postdocs and three PhD students, who will apply to PDF determination the recent methods of deep reinforcement learning and Q-learning, which will be coupled with deep residual networks to achieve a fully parameter- and bias-free understanding of proton structure. I will bring into high-energy physics a methodology so far used for object recognition in self-driving cars and automatic game playing, leading both to new physics, and new computational techniques. The application of these techniques to PDFs will enable me to reach two secondary goals. The first is theoretical: the full use for PDF determination of recent high perturbative order (next-to-next-to leading order or NNLO) computations, which will be integrated by means of a new approximation method which relies on combining known exact results with all-order information in various kinematic limits to extend the scope of the former to a more detailed ("more exclusive") description of the final state.The second is phenomenological: the integration in PDF determination of the Monte-Carlo event generators which are used to turn field theoretical prediction into a realistic description which may be directly compared to experimental data.
  • Overview
  • Research Areas
  • Publications

Overview

Contributors

FORTE STEFANO   Scientific Manager  

Departments involved

Dipartimento di Fisica Aldo Pontremoli   Principale  

Type

H2020_ERC - Horizon 2020_Europern Research Council

Funder

EUROPEAN COMMISSION
External Organization Funding Organization

Date/time interval

October 1, 2017 - September 30, 2022

Project duration

60 months

Research Areas

Keywords (6)

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Bosone di Higgs
INTELLIGENZA ARTIFICIALE
LHC
MACHINE LEARNING
cromodinamica quantistica
distribuzioni partoniche
No Results Found
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Publications

Outputs (35)

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  • Academic Article
  • Chapter
Intrinsic charm quark valence distribution of the proton 
PHYSICAL REVIEW D
AMERICAN PHYSICAL SOCIETY (APS)
2024
Academic Article
Open Access
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The path to $$\hbox {N}^3\hbox {LO}$$ parton distributions [The path to N3 LO parton distributions] 
EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2024
Academic Article
Open Access
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Machine learning and LHC event generation 
SCIPOST PHYSICS
SCIPOST FOUNDATION
2023
Academic Article
Open Access
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A data-based parametrization of parton distribution functions 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2022
Academic Article
Open Access
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EKO: evolution kernel operators 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2022
Academic Article
Open Access
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Evidence for intrinsic charm quarks in the proton 
NATURE
NATURE PORTFOLIO
2022
Academic Article
Open Access
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Parton distributions and new physics searches: the Drell–Yan forward–backward asymmetry as a case study 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2022
Academic Article
Open Access
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Style-based quantum generative adversarial networks for Monte Carlo events 
QUANTUM
VEREIN ZUR FÖRDERUNG DES OPEN ACCESS PUBLIZIERENS IN DEN QUANTENWISSENSCHAFTEN
2022
Academic Article
Open Access
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The PDF4LHC21 combination of global PDF fits for the LHC Run III* 
JOURNAL OF PHYSICS. G, NUCLEAR AND PARTICLE PHYSICS
IOP PUBLISHING
2022
Academic Article
Open Access
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The path to proton structure at 1% accuracy 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2022
Academic Article
Open Access
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An open-source machine learning framework for global analyses of parton distributions 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2021
Academic Article
Open Access
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Correlation and combination of sets of parton distributions 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2021
Academic Article
Open Access
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Differential heavy quark distributions and correlations in longitudinally polarized deep-inelastic scattering 
PHYSICAL REVIEW D
AMERICAN PHYSICAL SOCIETY
2021
Academic Article
Open Access
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Future Tests of Parton Distributions 
ACTA PHYSICA POLONICA B
JAGIELLONIAN UNIVERSITY PRESS
2021
Academic Article
Open Access
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Threshold resummation of transverse momentum distributions beyond next-to-leading log 
JOURNAL OF HIGH ENERGY PHYSICS
SOCIETÀ ITALIANA FISICA
2021
Academic Article
Open Access
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Can MS parton distributions be negative? [Can $$ overline{mathrm{MS}} $$ parton distributions be negative?] 
JOURNAL OF HIGH ENERGY PHYSICS
SPRINGER
2020
Academic Article
Open Access
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Modelling conditional probabilities with Riemann-Theta Boltzmann Machines 
JOURNAL OF PHYSICS. CONFERENCE SERIES
INSTITUTE OF PHYSICS PUBLISHING
2020
Academic Article
Open Access
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Next-to-next-to-leading order mixed QCD-electroweak corrections to on-shell Z production 
PHYSICAL REVIEW LETTERS
2020
Academic Article
Open Access
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Two-loop QCD-EW master integrals for Z plus jet production at large transverse momentum 
JOURNAL OF HIGH ENERGY PHYSICS
SPRINGER
2020
Academic Article
Open Access
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Why alpha. cannot be determined from hadronic processes without simultaneously determining the parton distributions 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2020
Academic Article
Open Access
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Can New Physics hide inside the proton? 
PHYSICAL REVIEW LETTERS
AMERICAN PHYSICAL SOCIETY
2019
Academic Article
Open Access
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Fitting the b-quark PDF as a massive-b scheme: Higgs production in bottom fusion 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2019
Academic Article
Open Access
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Jet grooming through reinforcement learning 
PHYSICAL REVIEW D
AMERICAN PHYSICAL SOCIETY
2019
Academic Article
Open Access
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Low-virtuality photon transitions gamma* -> f(f)over-bar and the photon-to-jet conversion fundtion [Low-virtuality photon transitions γ⁎→ff¯ and the photon-to-jet conversion function] 
PHYSICS LETTERS. SECTION B
ELSEVIER
2019
Academic Article
Open Access
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Lund jet images from generative and cycle-consistent adversarial networks 
EPJ WEB OF CONFERENCES
SPRINGER
2019
Academic Article
Open Access
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Parton distributions with theory uncertainties: general formalism and first phenomenological studies 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2019
Academic Article
Open Access
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QCD and electroweak corrections to WZ scattering at the LHC 
JOURNAL OF HIGH ENERGY PHYSICS
SPRINGER
2019
Academic Article
Open Access
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Single-jet inclusive cross section and its definition 
PHYSICAL REVIEW D
AMERICAN PHYSICAL SOCIETY
2019
Academic Article
Open Access
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Towards a new generation of parton densities with deep learning models 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2019
Academic Article
Open Access
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Illuminating the photon content of the proton within a global PDF analysis 
SCIPOST PHYSICS
SCIPOST FOUNDATION
2018
Academic Article
Open Access
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Lepton-pair production in association with a bb¯ pair and the determination of the W boson mass 
JOURNAL OF HIGH ENERGY PHYSICS
SPRINGER
2018
Academic Article
Open Access
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Precision determination of the strong coupling constant within a global PDF analysis: NNPDF Collaboration 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2018
Academic Article
Open Access
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The economic impact of technological procurement for large-scale research infrastructures : Evidence from the Large Hadron Collider at CERN 
RESEARCH POLICY
ELSEVIER
2018
Academic Article
Partially Open Access
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Z boson production in bottom-quark fusion: a study of b-mass effects beyond leading order 
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
SPRINGER
2018
Academic Article
Open Access
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Parton distribution functions 
WORLD SCIENTIFIC
2022
Chapter
Open Access
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