J. Alvarado

activity

20232026

most citedMeasurement of the near-threshold J

/ ψ

photoproduction cross section with the CLAS12 experiment

3 citations · 8 across the 18 of their papers we have counts for

collaborators

24 papers

nucl-ex2026

Measurements of $γ_{v} p \to π^{+} π^{-} p^{'}$ Cross Sections with the CLAS12 Detector for $Q^{2}$ from 2.4-8.0 GeV $^{2}$ and $W$ from 1.4-2.1 GeV

K. Neupane, R. W. Gothe, D. S. Carman +145

This paper reports exclusive cross sections for the $e p \to e^{'} π^{+} π^{-} p^{'}$ reaction using the CLAS12 detector at Jefferson Laboratory. The extractions of fully integrated and nine sin…

nucl-ex2026

First Measurement of Near-Threshold J/ψ Photoproduction on the Neutron

R. Tyson, D. G. Ireland, B. McKinnon +139

We report the first measurement of the total and t-differential cross sections for near-threshold J/ $ψ$ photoproduction on the neutron, obtained with the CLAS12 detector at the Tho…

nucl-ex2026

Multi-Differential DVCS Cross Section Measurement on the Proton in the Valence Region with CLAS12

S. Lee, T. B. Hayward, L. Elouadrhiri +138

We report the measurement of the four-fold differential cross section of deeply virtual Compton scattering (DVCS) on the proton using a longitudinally polarized 10.6 GeV CEBAF elec…

nucl-ex2026

Measurements of $γ_{v} p \to π^{+} π^{-} p^{'}$ Cross Sections with the CLAS Detector for $Q^{2}$ from 2.0--5.0~GeV $^{2}$ and $W$ from 1.400--2.125~GeV

A. Trivedi, R. W. Gothe, E. Phelps +155

Observables in the electroproduction of the $π^{+} π^{-} p$ reaction channel off the proton that are sensitive to the polarization of the virtual photon are presented for the first time…

hep-ex2026

Electro- and photoproduction of muon pairs with $μ$ CLAS12: Double Deeply Virtual Compton Scattering, Timelike Compton Scattering, and $J / ψ$ 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…

hep-ex2026

Measurements of Beam Spin Asymmetries of $π^{\pm} π^{0}$ dihadrons at CLAS12

A. G. Acar, P. Achenbach, J. S. Alvarado +131

A first measurement of beam spin asymmetries for $π^{+} π^{0}$ and $π^{-} π^{0}$ pairs in semi-inclusive deep inelastic scattering is reported. The asymmetries in the dihadron angular distri…

hep-ex2026★ 3 cited

Measurement of the near-threshold J $/ ψ$ photoproduction cross section with the CLAS12 experiment

P. Chatagnon, V. Kubarovsky, R. Paremuzyan +147

We present measurements of the total and differential cross sections for near-threshold J/ $ψ$ photoproduction obtained with the CLAS12 detector at the Thomas Jefferson National Acc…

hep-ph2025

Three-dimensional imaging of hadrons with hard exclusive reactions: advances in experiment, theory, phenomenology, and lattice QCD

M. Boër, A. Camsonne, M. Constantinou +37

Generalized Parton Distributions (GPDs) have emerged as a powerful framework for exploring the internal structure of hadrons in terms of their partonic constituents. Over the past…

nucl-ex2025

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 ( $e A$ ) scattering, providing a new probe of how a nucleus…

hep-ph2025

Double Deeply Virtual Compton Scattering as a probe of Generalized Parton Distributions

J. S. Alvarado, M. Hoballah, E. Voutier

Generalized Parton Distributions (GPDs) are multidimensional structure functions of hadrons, encoding mechanical and spin properties through the correlation of the momentum and tra…

hep-ex2025

Measurement of beam-polarized Deeply Virtual Compton Scattering observables with the CLAS12 detector at Jefferson Lab

J. S. Alvarado, M. Hoballah, E. Voutier

In the context of nucleon structure studies, Generalized Parton Distributions (GPDs) are crucial for understanding the correlation between the longitudinal momentum and the transve…

nucl-ex2025

Measurement of Beam-Recoil Observables $C_{x}$ and $C_{z}$ for $K^{+} Λ$ Photoproduction

CLAS Collaboration, S. Adhikari, B. A. Raue +154

Exclusive photoproduction of $K^{+} Λ$ final states off a proton target has been an important component in the search for missing nucleon resonances and our understanding of the prod…

hep-ex2025★ 2 cited

Proton Transparency and Neutrino Physics: New Methods and Modeling

S. Dytman, M. Betancourt, N. Steinberg +139

Extracting accurate results from neutrino oscillation and cross section experiments requires accurate simulation of the neutrino-nucleus interaction. The rescattering of outgoing h…

nucl-ex2025

Recoil Polarization in $K^{+} Y$ Electroproduction in the Nucleon Resonance Region with CLAS12

D. S. Carman, A. D'Angelo, L. Lanza +127

Hyperon recoil polarization measurements for the exclusive electroproduction of $K^{+} Λ$ and $K^{+} Σ^{0}$ final states from an unpolarized proton target have been carried out using the C…

nucl-ex2025

Measurement of single- and double-polarization observables in the photoproduction of $π^{+} π^{-}$ ~meson pairs off the proton using CLAS at Jefferson Laboratory

P. Roy, S. Cao, V. Crede +141

The photoproduction of $π^{+} π^{-}$ meson pairs off the proton has been studied in the reaction $γ p \to p π^{+} π^{-}$ using the CEBAF Large Acceptance Spectrometer (CLAS) and the frozen-sp…

hep-ex2025★ 1 cited

Multidimensional Measurements of Beam Single Spin Asymmetries in Semi-inclusive Deep-inelastic Charged Kaon Electroproduction off Protons in the Valence Region

A. Kripko, S. Diehl, K. Joo +136

Measurements of beam single spin asymmetries in semi-inclusive deep inelastic electron scattering (SIDIS) with positively charged kaons off protons have been performed with 10.6 an…

hep-ph2025

Sensitivity of Double Deeply Virtual Compton Scattering observables to Generalized Parton Distributions

J. S. Alvarado, M. Hoballah, E. Voutier

Double Deeply Virtual Compton Scattering (DDVCS) is a promising channel for Generalized Parton Distribution (GPD) studies as it is a generalization of the Deeply Virtual Compton Sc…

hep-ex2025

Inclusive Electron Scattering in the Resonance Region off a Hydrogen Target with CLAS12

V. Klimenko, D. S. Carman, R. W. Gothe +135

Inclusive electron scattering cross sections off a hydrogen target at a beam energy of 10.6 GeV have been measured with data collected from the CLAS12 spectrometer at Jefferson Lab…

nucl-ex2024

Sensitivity of Double Deeply Virtual Compton Scattering observables to GPDs

J. S. Alvarado, M. Hoballah, E. Voutier

Generalized Parton Distributions (GPDs) are multidimensonal structure functions that encode the information about the internal structure of hadrons. Using privileged channels such…

nucl-ex2024

Photoproduction of two charged pions off protons in the resonance region

A. V. Sarantsev, E. Klempt, K. V. Nikonov +4

Photoproduction of charged pions pairs off protons is studied within the invariant masses of the final state hadrons from 1.6 to 2.4 GeV at the Thomas Jefferson National Accelerato…

nucl-ex2024★ 2 cited

Measurement of the nucleon spin structure functions for 0.01< $Q^{2}$ <1 GeV $^{2}$ using CLAS

A. Deur, S. E. Kuhn, M. Ripani +147

The spin structure functions of the proton and the deuteron were measured during the EG4 experiment at Jefferson Lab in 2006. Data were collected for longitudinally polarized elect…

hep-ex2024

First Measurement of Deeply Virtual Compton Scattering on the Neutron with Detection of the Active Neutron

CLAS Collaboration, A. Hobart, S. Niccolai +146

Measuring Deeply Virtual Compton Scattering on the neutron is one of the necessary steps to understand the structure of the nucleon in terms of Generalized Parton Distributions (GP…

nucl-ex2024

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…

nucl-ex2023

Double-pion electroproduction off protons in deuterium: Quasifree cross sections and final-state interactions

Iu. A. Skorodumina, G. V. Fedotov, R. W. Gothe +1

The single-differential and fully integrated cross sections for quasifree $π^{+} π^{-}$ electroproduction off protons bound in deuterium have been extracted for the first time. The…

Measurements of γv​p→π+π−p′ Cross Sections with the CLAS12 Detector for Q2 from 2.4-8.0 GeV2 and W from 1.4-2.1 GeV

First Measurement of Near-Threshold J/ψ Photoproduction on the Neutron

Multi-Differential DVCS Cross Section Measurement on the Proton in the Valence Region with CLAS12

Measurements of γv​p→π+π−p′ Cross Sections with the CLAS Detector for Q2 from 2.0--5.0~GeV2 and W from 1.400--2.125~GeV

Electro- and photoproduction of muon pairs with μCLAS12: Double Deeply Virtual Compton Scattering, Timelike Compton Scattering, and J/ψ production

Measurements of Beam Spin Asymmetries of π±π0 dihadrons at CLAS12

Measurement of the near-threshold J/ψ photoproduction cross section with the CLAS12 experiment

Three-dimensional imaging of hadrons with hard exclusive reactions: advances in experiment, theory, phenomenology, and lattice QCD

First Study of the Nuclear Response to Fast Hadrons via Angular Correlations between Pions and Slow Protons in Electron-Nucleus Scattering

Double Deeply Virtual Compton Scattering as a probe of Generalized Parton Distributions

Measurement of beam-polarized Deeply Virtual Compton Scattering observables with the CLAS12 detector at Jefferson Lab

Measurement of Beam-Recoil Observables Cx​ and Cz​ for K+Λ Photoproduction

Proton Transparency and Neutrino Physics: New Methods and Modeling

Recoil Polarization in K+Y Electroproduction in the Nucleon Resonance Region with CLAS12

Measurement of single- and double-polarization observables in the photoproduction of π+π−~meson pairs off the proton using CLAS at Jefferson Laboratory

Multidimensional Measurements of Beam Single Spin Asymmetries in Semi-inclusive Deep-inelastic Charged Kaon Electroproduction off Protons in the Valence Region

Sensitivity of Double Deeply Virtual Compton Scattering observables to Generalized Parton Distributions

Inclusive Electron Scattering in the Resonance Region off a Hydrogen Target with CLAS12

Sensitivity of Double Deeply Virtual Compton Scattering observables to GPDs

Photoproduction of two charged pions off protons in the resonance region

Measurement of the nucleon spin structure functions for 0.01<Q2<1 GeV2 using CLAS

First Measurement of Deeply Virtual Compton Scattering on the Neutron with Detection of the Active Neutron

Dihadron Azimuthal Correlations in Deep-Inelastic Scattering Off Nuclear Targets

Double-pion electroproduction off protons in deuterium: Quasifree cross sections and final-state interactions

Measurements of $γ_{v} p \to π^{+} π^{-} p^{'}$ Cross Sections with the CLAS12 Detector for $Q^{2}$ from 2.4-8.0 GeV $^{2}$ and $W$ from 1.4-2.1 GeV

Measurements of $γ_{v} p \to π^{+} π^{-} p^{'}$ Cross Sections with the CLAS Detector for $Q^{2}$ from 2.0--5.0~GeV $^{2}$ and $W$ from 1.400--2.125~GeV

Electro- and photoproduction of muon pairs with $μ$ CLAS12: Double Deeply Virtual Compton Scattering, Timelike Compton Scattering, and $J / ψ$ production

Measurements of Beam Spin Asymmetries of $π^{\pm} π^{0}$ dihadrons at CLAS12

Measurement of the near-threshold J $/ ψ$ photoproduction cross section with the CLAS12 experiment

Measurement of Beam-Recoil Observables $C_{x}$ and $C_{z}$ for $K^{+} Λ$ Photoproduction

Recoil Polarization in $K^{+} Y$ Electroproduction in the Nucleon Resonance Region with CLAS12

Measurement of single- and double-polarization observables in the photoproduction of $π^{+} π^{-}$ ~meson pairs off the proton using CLAS at Jefferson Laboratory

Measurement of the nucleon spin structure functions for 0.01< $Q^{2}$ <1 GeV $^{2}$ using CLAS