331 citations · 4.4k across the 107 of their papers we have counts for
109 papers
ePIC Early Science Report
D. Abbott, N. Abdelrahman, S. Abhijit +781
This Early Science Report from the ePIC Collaboration outlines the compelling physics program achievable during the first years of operation of the Electron-Ion Collider (EIC), pri…
Electro- and photoproduction of muon pairs with CLAS12: Double Deeply Virtual Compton Scattering, Timelike Compton Scattering, and production
J. S. Alvarado, N. Baltzell, M. Bondi +98
The CEBAF Large Acceptance Spectrometer for operation at 12 GeV (CLAS12) at the Thomas Jefferson National Accelerator Facility has played a central role in advancing the understand…
Precision QCD with the Electron-Ion Collider
C. Alexandrou, M. Arratia, E. C. Aschenauer +66
This document summarizes the discussions at the program "Precision QCD with the Electron Ion Collider", held from May to June 2025 at the Institute for Nuclear Theory (INT) at the…
Beam Test of a SiPM-on-Tile ZDC Prototype with 5.3 GeV Positrons at Jefferson Laboratory
Sean Preins, Weibin Zhang, Ryan Tsiao +4
We report on a beam test of a Silicon Photo-Multiplier (SiPM)-on-tile Zero Degree Calorimeter (ZDC) prototype developed for the future Electron-Ion Collider (EIC). The detector imp…
Calibration of an Irradiated Prototype for the EIC Zero-Degree Calorimeter
Weibin Zhang, Xilin Liang, Sean Preins +1
We study the response of a prototype Zero-Degree Calorimeter (ZDC) detector to irradiation equivalent to 10 1-MeV , which matches the expected e…
First Study of the Nuclear Response to Fast Hadrons via Angular Correlations between Pions and Slow Protons in Electron-Nucleus Scattering
S. J. Paul, M. Arratia, H. Hakobyan +127
We report on the first measurement of angular correlations between high-energy pions and slow protons in electron-nucleus () scattering, providing a new probe of how a nucleus…
A borehole muon detector with SiPM-on-tile technology
Miguel Arratia, Jiajun Huang, Sean Preins +3
We developed a compact and rugged muon detector designed for deployment in boreholes. The detector uses a SiPM-on-tile approach in which silicon photomultipliers are directly coupl…
Tools for Unbinned Unfolding
Ryan Milton, Vinicius Mikuni, Trevin Lee +3
Machine learning has enabled differential cross section measurements that are not discretized. Going beyond the traditional histogram-based paradigm, these unbinned unfolding metho…
Measurement of SiPM Dark Currents and Annealing Recovery for Fluences Expected in ePIC Calorimeters at the Electron-Ion Collider
Jiajun Huang, Sean Preins, Ryan Tsiao +3
Silicon photomultipliers (SiPMs) will be used to read out all calorimeters in the ePIC experiment at the Electron-Ion Collider (EIC). A thorough characterization of the radiation d…
The CONDOR Observatory: A Gamma-Ray Observatory with a 100 GeV Threshold at 5300 Meters Above Sea Level
Miguel Arratia, Will Brooks, Jiajun Huang +8
We present the design of the Compact Network of Detectors with Orbital Range (CONDOR), a proposed high-altitude gamma-ray and cosmic-ray (CR) observatory set to become the highest…
First-Ever Deployment of a SiPM-on-Tile Calorimeter in a Collider: A Parasitic Test with 200 GeV Collisions at RHIC
Weibin Zhang, Sean Preins, Jiajun Huang +7
We describe the testing of a prototype SiPM-on-tile iron-scintillator calorimeter at the Relativistic Heavy Ion Collider (RHIC) during its 200 GeV run in 2024. The prototype,…
Machine Learning-Assisted Measurement of Lepton-Jet Azimuthal Angular Asymmetries in Deep-Inelastic Scattering at HERA
The H1 collaboration, V. Andreev, M. Arratia +141
In deep-inelastic positron-proton scattering, the lepton-jet azimuthal angular asymmetry is measured using data collected with the H1 detector at HERA. When the average transverse…
Feasibility Study of Measuring Using a High-Granularity Zero-Degree Calorimeter at the Future Electron-Ion Collider
Sebouh J. Paul, Ryan Milton, Sebastián Morán +2
Key measurements at the future Electron-Ion Collider (EIC), including first-of-their-kind studies of kaon structure, require the detection of at forward angles. We present a…
Dihadron Azimuthal Correlations in Deep-Inelastic Scattering Off Nuclear Targets
CLAS Collaboration
We measured the nuclear dependence of the di-pion azimuthal correlation function in deep-inelastic scattering (DIS) using the CEBAF Large Acceptance Spectrometer (CLAS) and a 5 GeV…
Design of a SiPM-on-Tile ZDC for the future EIC and its Performance with Graph Neural Networks
Ryan Milton, Sebouh J. Paul, Barak Schmookler +5
We present a design for a high-granularity zero-degree calorimeter (ZDC) for the upcoming Electron-Ion Collider (EIC). The design uses SiPM-on-tile technology and features a novel…
Letter of Intent: Open Charm at JLab with the sPHENIX MAPS tracker
Miguel Arratia, Sebouh J. Paul, Yuri Gotra +2
We propose a physics program at JLab with CLAS12 focusing on open-charm measurements, aiming to complement and expand current studies of at (sub) threshold. This program will…
Measurement of the 1-jettiness event shape observable in deep-inelastic electron-proton scattering at HERA
The H1 collaboration, V. Andreev, M. Arratia +146
The H1 Collaboration reports the first measurement of the 1-jettiness event shape observable in neutral-current deep-inelastic electron-proton scattering (DIS). The observa…
Measurement of groomed event shape observables in deep-inelastic electron-proton scattering at HERA
The H1 collaboration, V. Andreev, M. Arratia +145
The H1 Collaboration at HERA reports the first measurement of groomed event shape observables in deep inelastic electron-proton scattering (DIS) at GeV, using data r…
Observation and differential cross section measurement of neutral current DIS events with an empty hemisphere in the Breit frame
The H1 collaboration, V. Andreev, M. Arratia +146
The Breit frame provides a natural frame to analyze lepton-proton scattering events. In this reference frame, the parton model hard interactions between a quark and an exchanged bo…
On the significance of radiative corrections on measurements of the EMC effect
S. Moran, M. Arratia, J. Arrington +2
Analyzing global data on the EMC effect, which denotes differences in parton distribution functions in nuclei compared to unbound nucleons, reveals tensions. Precise measurements a…
The Optimal use of Segmentation for Sampling Calorimeters
Fernando Torales Acosta, Bishnu Karki, Piyush Karande +7
One of the key design choices of any sampling calorimeter is how fine to make the longitudinal and transverse segmentation. To inform this choice, we study the impact of calorimete…
Beam Test of the First Prototype of SiPM-on-Tile Calorimeter Insert for the Electron-Ion Collider Using 4 GeV Positrons at Jefferson Laboratory
Miguel Arratia, Bruce Bagby, Peter Carney +6
We recently proposed a high-granularity calorimeter insert for the Electron-Ion Collider (EIC) that uses plastic scintillator tiles read out by SiPMs. Among its innovative features…
Leveraging Staggered Tessellation for Enhanced Spatial Resolution in High-Granularity Calorimeters
Sebouh J. Paul, Miguel Arratia
We advance the concept of high-granularity calorimeters with staggered tessellations, underscoring the effectiveness of a design incorporating multifold staggering cycles based on…
Comparison of Point Cloud and Image-based Models for Calorimeter Fast Simulation
Fernando Torales Acosta, Vinicius Mikuni, Benjamin Nachman +5
Score based generative models are a new class of generative models that have been shown to accurately generate high dimensional calorimeter datasets. Recent advances in generative…