256 citations · 1.6k across the 31 of their papers we have counts for
32 papers
Neighborhood Watch: Privacy Risks in Seeded Local Combination Synthetic Data
Hadrien Lautraite, Tristan Allard, Anne-Sophie Charest +2
Synthetic data is seen as a promising solution for sharing data in sensitive contexts. However, recent work on privacy attacks have shown that there are still significant residual…
Embedding Inference Attack
Cedric Fitiavana Raelijohn, Sébastien Gambs, Jean-Francois Rajotte
Embedding models are essential components of modern Information Retrieval (IR) systems, yet they are typically hidden behind APIs. Recent works have shown that dense IR system can…
Measurement of the Parity-Violating Asymmetry in the N to Transition at Low
D. Adhikari, T. Alshayeb, D. Androic +70
We report the measurement of the parity-violating asymmetry in the N to transition via the reaction at two different kinematic points with low f…
Observer study-based evaluation of TGAN architecture used to generate oncological PET images
Roberto Fedrigo, Fereshteh Yousefirizi, Ziping Liu +9
The application of computer-vision algorithms in medical imaging has increased rapidly in recent years. However, algorithm training is challenging due to limited sample sizes, lack…
Assessing Privacy Leakage in Synthetic 3-D PET Imaging using Transversal GAN
Robert V. Bergen, Jean-Francois Rajotte, Fereshteh Yousefirizi +2
Training computer-vision related algorithms on medical images for disease diagnosis or image segmentation is difficult in large part due to privacy concerns. For this reason, gener…
First Determination of the 27Al Neutron Distribution Radius from a Parity-Violating Electron Scattering Measurement
QWeak Collaboration, D. Androic, D. S. Armstrong +91
We report the first measurement of the parity-violating elastic electron scattering asymmetry on 27Al. The 27Al elastic asymmetry is A_PV = 2.16 +- 0.11 (stat) +- 0.16 (syst) ppm,…
3-D PET Image Generation with tumour masks using TGAN
Robert V Bergen, Jean-Francois Rajotte, Fereshteh Yousefirizi +3
Training computer-vision related algorithms on medical images for disease diagnosis or image segmentation is difficult due to the lack of training data, labeled samples, and privac…
Measurement of the Beam-Normal Single-Spin Asymmetry for Elastic Electron Scattering from C and Al
QWeak Collaboration, D. Androic, D. S. Armstrong +82
We report measurements of the parity-conserving beam-normal single-spin elastic scattering asymmetries on C and Al, obtained with an electron beam polarized tra…
Reducing bias and increasing utility by federated generative modeling of medical images using a centralized adversary
Jean-Francois Rajotte, Sumit Mukherjee, Caleb Robinson +4
We introduce FELICIA (FEderated LearnIng with a CentralIzed Adversary) a generative mechanism enabling collaborative learning. In particular, we show how a data owner with limited…
Private data sharing between decentralized users through the privGAN architecture
Jean-Francois Rajotte, Raymond T Ng
More data is almost always beneficial for analysis and machine learning tasks. In many realistic situations however, an enterprise cannot share its data, either to keep a competiti…
Precision Measurement of the Beam-Normal Single-Spin Asymmetry in Forward-Angle Elastic Electron-Proton Scattering
QWeak collaboration, D. Androic, D. S. Armstrong +92
A beam-normal single-spin asymmetry generated in the scattering of transversely polarized electrons from unpolarized nucleons is an observable related to the imaginary part of the…
Precision Measurement of the Weak Charge of the Proton
D. Androic, D. S. Armstrong, A. Asaturyan +96
The fields of particle and nuclear physics have undertaken extensive programs to search for evidence of physics beyond that explained by current theories. The observation of the Hi…
The Q_weak Experimental Apparatus
Qweak Collaboration, T. Allison, M. Anderson +126
The Jefferson Lab Q_weak experiment determined the weak charge of the proton by measuring the parity-violating elastic scattering asymmetry of longitudinally polarized electrons fr…
Early Results from the Qweak Experiment
D. Androic, D. S. Armstrong, A. Asaturyan +94
A subset of results from the recently completed Jefferson Lab Qweak experiment are reported. This experiment, sensitive to physics beyond the Standard Model, exploits the small par…
Hadron Transverse Momentum Distributions in Muon Deep Inelastic Scattering at 160 GeV/
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +207
Multiplicities of charged hadrons produced in deep inelastic muon scattering off a LiD target have been measured as a function of the DIS variables , , and t…
Leading and Next-to-Leading Order Gluon Polarisation in the Nucleon and Longitudinal Double Spin Asymmetries from Open Charm Muoproduction
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217
The gluon polarisation in the nucleon was measured using open charm production by scattering 160 GeV/c polarised muons off longitudinally polarised protons or deuterons. The data w…
D* and D Meson Production in Muon Nucleon Interactions at 160 GeV/c
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217
The production of D* and D mesons in inelastic scattering of 160 GeV/c muons off a ^6LiD target has been investigated with the COMPASS spectrometer at CERN for 0.003 (GeV/c)^2 < Q^…
Exclusive rho^0 muoproduction on transversely polarised protons and deuterons
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217
The transverse target spin azimuthal asymmetry A_UT in hard exclusive production of rho^0 mesons was measured at COMPASS by scattering 160 GeV/c muons off transversely polarised pr…
Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +215
The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV posit…
Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Collins asymmetries
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +215
The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV posit…
Leading order determination of the gluon polarisation from DIS events with high-p_T hadron pairs
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +212
We present a determination of the gluon polarisation Delta g/g in the nucleon, based on the longitudinal double-spin asymmetry of DIS events with a pair of large transverse-momentu…
First Measurement of Chiral Dynamics in π^- γ-> π^- π^- π^+
M. G. Alekseev, V. Yu. Alexakhin, Yu. Alexandrov +202
The COMPASS collaboration at CERN has investigated the π^- γ-> π^- π^- π^+ reaction at center-of-momentum energy below five pion masses, sqrt(s) < 5 m(π), embedded in the Primakoff…
Measurement of the Proton's Weak Charge at the Qweak Experiment
Jean-Francois Rajotte
The Qweak experiment at Jefferson Laboratory measures the parity violating asymmetry of polarized electrons scattering from a proton target at very low momentum transfer. In the St…
Large-Area Sandwich Veto Detector with WLS Fibre Readout for Hadron Spectroscopy at COMPASS
T. Schlüter, W. Dünnweber, K. Dhibar +5
A sandwich detector composed of scintillator and steel-covered lead layers was introduced in the fixed-target COMPASS experiment at CERN for vetoing events not completely covered b…