Search Results for author: Stefano Carrazza

Found 23 papers, 14 papers with code

Benchmarking machine learning models for quantum state classification

no code implementations14 Sep 2023 Edoardo Pedicillo, Andrea Pasquale, Stefano Carrazza

Quantum computing is a growing field where the information is processed by two-levels quantum states known as qubits.

Benchmarking Classification

Product Jacobi-Theta Boltzmann machines with score matching

no code implementations10 Mar 2023 Andrea Pasquale, Daniel Krefl, Stefano Carrazza, Frank Nielsen

The estimation of probability density functions is a non trivial task that over the last years has been tackled with machine learning techniques.

Style-based quantum generative adversarial networks for Monte Carlo events

1 code implementation13 Oct 2021 Carlos Bravo-Prieto, Julien Baglio, Marco Cè, Anthony Francis, Dorota M. Grabowska, Stefano Carrazza

We propose and assess an alternative quantum generator architecture in the context of generative adversarial learning for Monte Carlo event generation, used to simulate particle physics processes at the Large Hadron Collider (LHC).

Data Augmentation

A framework for quantitative analysis of Computed Tomography images of viral pneumonitis: radiomic features in COVID and non-COVID patients

no code implementations28 Sep 2021 Giulia Zorzi, Luca Berta, Stefano Carrazza, Alberto Torresin

A Gaussian model developed in Python language was applied to calculate quantitative metrics (QM) describing well-aerated and ill portions of the lungs from the histogram distribution of lung CT numbers in both lungs of each image and in four geometrical subdivision.

PDFFlow: hardware accelerating parton density access

1 code implementation15 Dec 2020 Marco Rossi, Stefano Carrazza, Juan M. Cruz-Martinez

We present PDFFlow, a new software for fast evaluation of parton distribution functions (PDFs) designed for platforms with hardware accelerators.

MCNNTUNES: tuning Shower Monte Carlo generators with machine learning

1 code implementation5 Oct 2020 Marco Lazzarin, Simone Alioli, Stefano Carrazza

The parameters tuning of event generators is a research topic characterized by complex choices: the generator response to parameter variations is difficult to obtain on a theoretical basis, and numerical methods are hardly tractable due to the long computational times required by generators.

Computational Physics High Energy Physics - Experiment High Energy Physics - Phenomenology

PDFFlow: parton distribution functions on GPU

1 code implementation14 Sep 2020 Stefano Carrazza, Juan M. Cruz-Martinez, Marco Rossi

We present PDFFlow, a new software for fast evaluation of parton distribution functions (PDFs) designed for platforms with hardware accelerators.

Qibo: a framework for quantum simulation with hardware acceleration

6 code implementations3 Sep 2020 Stavros Efthymiou, Sergi Ramos-Calderer, Carlos Bravo-Prieto, Adrián Pérez-Salinas, Diego García-Martín, Artur Garcia-Saez, José Ignacio Latorre, Stefano Carrazza

We present Qibo, a new open-source software for fast evaluation of quantum circuits and adiabatic evolution which takes full advantage of hardware accelerators.

VegasFlow: accelerating Monte Carlo simulation across multiple hardware platforms

1 code implementation28 Feb 2020 Stefano Carrazza, Juan M. Cruz-Martinez

We present VegasFlow, a new software for fast evaluation of high dimensional integrals based on Monte Carlo integration techniques designed for platforms with hardware accelerators.

Towards hardware acceleration for parton densities estimation

no code implementations23 Sep 2019 Stefano Carrazza, Juan Cruz-Martinez, Jesús Urtasun-Elizari, Emilio Villa

In this proceedings we describe the computational challenges associated to the determination of parton distribution functions (PDFs).

Lund jet images from generative and cycle-consistent adversarial networks

2 code implementations3 Sep 2019 Stefano Carrazza, Frédéric A. Dreyer

We introduce a generative model to simulate radiation patterns within a jet using the Lund jet plane.

Data Augmentation

Modelling conditional probabilities with Riemann-Theta Boltzmann Machines

1 code implementation27 May 2019 Stefano Carrazza, Daniel Krefl, Andrea Papaluca

The probability density function for the visible sector of a Riemann-Theta Boltzmann machine can be taken conditional on a subset of the visible units.

Jet grooming through reinforcement learning

2 code implementations22 Mar 2019 Stefano Carrazza, Frédéric A. Dreyer

We introduce a novel implementation of a reinforcement learning (RL) algorithm which is designed to find an optimal jet grooming strategy, a critical tool for collider experiments.

reinforcement-learning Reinforcement Learning (RL)

Machine Learning in High Energy Physics Community White Paper

no code implementations8 Jul 2018 Kim Albertsson, Piero Altoe, Dustin Anderson, John Anderson, Michael Andrews, Juan Pedro Araque Espinosa, Adam Aurisano, Laurent Basara, Adrian Bevan, Wahid Bhimji, Daniele Bonacorsi, Bjorn Burkle, Paolo Calafiura, Mario Campanelli, Louis Capps, Federico Carminati, Stefano Carrazza, Yi-fan Chen, Taylor Childers, Yann Coadou, Elias Coniavitis, Kyle Cranmer, Claire David, Douglas Davis, Andrea De Simone, Javier Duarte, Martin Erdmann, Jonas Eschle, Amir Farbin, Matthew Feickert, Nuno Filipe Castro, Conor Fitzpatrick, Michele Floris, Alessandra Forti, Jordi Garra-Tico, Jochen Gemmler, Maria Girone, Paul Glaysher, Sergei Gleyzer, Vladimir Gligorov, Tobias Golling, Jonas Graw, Lindsey Gray, Dick Greenwood, Thomas Hacker, John Harvey, Benedikt Hegner, Lukas Heinrich, Ulrich Heintz, Ben Hooberman, Johannes Junggeburth, Michael Kagan, Meghan Kane, Konstantin Kanishchev, Przemysław Karpiński, Zahari Kassabov, Gaurav Kaul, Dorian Kcira, Thomas Keck, Alexei Klimentov, Jim Kowalkowski, Luke Kreczko, Alexander Kurepin, Rob Kutschke, Valentin Kuznetsov, Nicolas Köhler, Igor Lakomov, Kevin Lannon, Mario Lassnig, Antonio Limosani, Gilles Louppe, Aashrita Mangu, Pere Mato, Narain Meenakshi, Helge Meinhard, Dario Menasce, Lorenzo Moneta, Seth Moortgat, Mark Neubauer, Harvey Newman, Sydney Otten, Hans Pabst, Michela Paganini, Manfred Paulini, Gabriel Perdue, Uzziel Perez, Attilio Picazio, Jim Pivarski, Harrison Prosper, Fernanda Psihas, Alexander Radovic, Ryan Reece, Aurelius Rinkevicius, Eduardo Rodrigues, Jamal Rorie, David Rousseau, Aaron Sauers, Steven Schramm, Ariel Schwartzman, Horst Severini, Paul Seyfert, Filip Siroky, Konstantin Skazytkin, Mike Sokoloff, Graeme Stewart, Bob Stienen, Ian Stockdale, Giles Strong, Wei Sun, Savannah Thais, Karen Tomko, Eli Upfal, Emanuele Usai, Andrey Ustyuzhanin, Martin Vala, Justin Vasel, Sofia Vallecorsa, Mauro Verzetti, Xavier Vilasís-Cardona, Jean-Roch Vlimant, Ilija Vukotic, Sean-Jiun Wang, Gordon Watts, Michael Williams, Wenjing Wu, Stefan Wunsch, Kun Yang, Omar Zapata

In this document we discuss promising future research and development areas for machine learning in particle physics.

BIG-bench Machine Learning Vocal Bursts Intensity Prediction

Sampling the Riemann-Theta Boltzmann Machine

no code implementations20 Apr 2018 Stefano Carrazza, Daniel Krefl

We show that the visible sector probability density function of the Riemann-Theta Boltzmann machine corresponds to a gaussian mixture model consisting of an infinite number of component multi-variate gaussians.

Riemann-Theta Boltzmann Machine

1 code implementation20 Dec 2017 Daniel Krefl, Stefano Carrazza, Babak Haghighat, Jens Kahlen

Both the Boltzmann machine and the derived feedforward neural network can be successfully trained via standard gradient- and non-gradient-based optimization techniques.

QCDLoop: a comprehensive framework for one-loop scalar integrals

1 code implementation10 May 2016 Stefano Carrazza, R. Keith Ellis, Giulia Zanderighi

We present a new release of the QCDLoop library based on a modern object-oriented framework.

High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Theory

Specialized minimal PDFs for optimized LHC calculations

1 code implementation29 Jan 2016 Stefano Carrazza, Stefano Forte, Zahari Kassabov, Juan Rojo

We present a methodology for the construction of parton distribution functions (PDFs) designed to provide an accurate representation of PDF uncertainties for specific processes or classes of processes with a minimal number of PDF error sets: specialized minimal PDF sets, or SM-PDFs.

High Energy Physics - Phenomenology High Energy Physics - Experiment

Doped Parton Distributions

no code implementations14 Sep 2015 Valerio Bertone, Stefano Carrazza, Juan Rojo

Calculations of high-energy processes involving the production of b-quarks are typically performed in two different ways, the massive four-flavour scheme (4FS) and the massless five-flavour scheme (5FS).

High Energy Physics - Phenomenology High Energy Physics - Experiment

On the Impact of Lepton PDFs

no code implementations27 Aug 2015 Valerio Bertone, Stefano Carrazza, Davide Pagani, Marco Zaro

We present the implementation of the QED-corrected DGLAP evolution in the presence of photon and lepton PDFs in the APFEL program and, by means of different assumptions for the initial scale PDFs, we produce for the first time PDF sets containing charged lepton distributions.

High Energy Physics - Phenomenology High Energy Physics - Experiment

Reference results for time-like evolution up to $\mathcal{O}(α_s^3)$

1 code implementation2 Jan 2015 Valerio Bertone, Stefano Carrazza, Emanuele R. Nocera

We present high-precision numerical results for time-like Dokshitzer-Gribov-Lipatov-Altarelli-Parisi evolution in the $\bar{\rm MS}$ factorisation scheme, for the first time up to next-to-next-to-leading order accuracy in quantum chromodynamics.

High Energy Physics - Phenomenology

APFEL Web: a web-based application for the graphical visualization of parton distribution functions

1 code implementation20 Oct 2014 Stefano Carrazza, Alfio Ferrara, Daniele Palazzo, Juan Rojo

We present APFEL Web, a web-based application designed to provide a flexible user-friendly tool for the graphical visualization of parton distribution functions (PDFs).

High Energy Physics - Phenomenology High Energy Physics - Experiment

Parton distributions with LHC data

no code implementations5 Jul 2012 Richard D. Ball, Valerio Bertone, Stefano Carrazza, Christopher S. Deans, Luigi Del Debbio, Stefano Forte, Alberto Guffanti, Nathan P. Hartland, Jose I. Latorre, Juan Rojo, Maria Ubiali

We present the NNPDF2. 3 PDF sets, and compare them to the NNPDF2. 1 sets to assess the impact of the LHC data.

High Energy Physics - Phenomenology

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