J. Poudel

activity

20172026

most citedThe Present and Future of QCD

67 citations · 317 across the 29 of their papers we have counts for

collaborators

32 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…

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-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-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…

physics.ins-det2024★ 4 cited

Design, Construction, and Performance of the GEM based Radial Time Projection Chamber for the BONuS12 Experiment with CLAS12

I. Albayrak, S. Aune, C. Ayerbe Gayoso +21

A new radial time projection chamber based on Gas Electron Multiplier amplification layers was developed for the BONuS12 experiment in Hall B at Jefferson Lab. This device represen…

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…

nucl-ex2023

Beam Spin Asymmetry Measurements of Deeply Virtual $π^{0}$ Production with CLAS12

A. Kim, S. Diehl, K. Joo +154

The new experimental measurements of beam spin asymmetry were performed for the deeply virtual exclusive $π^{0}$ production in a wide kinematic region with the photon virtualities $Q…

nucl-ex2023★ 19 cited

Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab

A. Accardi, P. Achenbach, D. Adhikari +441

This document presents the initial scientific case for upgrading the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab (JLab) to 22 GeV. It is the result of a…

nucl-ex2023

Measurement of the helicity asymmetry $E$ for the $γ p \to p π^{0}$ reaction in the resonance region

K. Chan, N. Zachariou, M. Bashkanov +9

The double-spin-polarization observable $E$ for $γ p \to p π^{0}$ has been measured with the CEBAF Large Acceptance Spectrometer (CLAS) at photon beam energies $E_{γ}$ …

hep-ph2023★ 67 cited

The Present and Future of QCD

P. Achenbach, D. Adhikari, A. Afanasev +400

This White Paper presents the community inputs and scientific conclusions from the Hot and Cold QCD Town Meeting that took place September 23-25, 2022 at MIT, as part of the Nuclea…

hep-ex2023

First measurement of hard exclusive $π^{-} Δ^{++}$ electroproduction beam-spin asymmetries off the proton

S. Diehl, N. Trotta, K. Joo +142

The polarized cross section ratio $σ_{L T^{'}} / σ_{0}$ from hard exclusive $π^{-} Δ^{++}$ electroproduction off an unpolarized hydrogen target has been extracted based on beam-spin asym…

hep-ex2022

First CLAS12 measurement of DVCS beam-spin asymmetries in the extended valence region

CLAS Collaboration, G. Christiaens, M. Defurne +168

Deeply virtual Compton scattering (DVCS) allows one to probe Generalized Parton Distributions (GPDs) describing the 3D structure of the nucleon. We report the first measurement of…

hep-ex2022

A multidimensional study of the structure function ratio $σ_{L T^{'}} / σ_{0}$ from hard exclusive $π^{+}$ electro-production off protons in the GPD regime

S. Diehl, A. Kim, K. Joo +151

A multidimensional extraction of the structure function ratio $σ_{L T^{'}} / σ_{0}$ from the hard exclusive $e p \to e^{'} n π^{+}$ reaction above the resonance region has been pe…

nucl-ex2022

First Measurement of $Λ$ Electroproduction off Nuclei in the Current and Target Fragmentation Regions

T. Chetry, L. El Fassi, W. K. Brooks +151

We report results of $Λ$ hyperon production in semi-inclusive deep-inelastic scattering off deuterium, carbon, iron, and lead targets obtained with the CLAS detector and the Contin…

hep-ex2022★ 1 cited

First observation of correlations between spin and transverse momenta in back-to-back dihadron production at CLAS12

H. Avakian, T. B. Hayward, A. Kotzinian +153

We report the first measurements of deep inelastic scattering spin-dependent azimuthal asymmetries in back-to-back dihadron electroproduction, where two hadrons are produced in opp…

physics.ins-det2022★ 1 cited

Alignment of the CLAS12 central hybrid tracker with a Kalman Filter

S. J. Paul, A. Peck, M. Arratia +131

Several factors can contribute to the difficulty of aligning the sensors of tracking detectors, including a large number of modules, multiple types of detector technologies, and no…

nucl-ex2022★ 9 cited

Observation of azimuth-dependent suppression of hadron pairs in electron scattering off nuclei

S. J. Paul, S. Moran, M. Arratia +142

We present the first measurement of di-hadron angular correlations in electron-nucleus scattering. The data were taken with the CLAS detector and a 5.0 GeV electron beam incident o…

nucl-ex2022★ 1 cited

Exclusive $π^{-}$ Electroproduction off the Neutron in Deuterium in the Resonance Region

Y. Tian, R. W. Gothe, V. I. Mokeev +140

New results for the exclusive and quasi-free cross sections off neutrons bound in deuterium $γ_{v} n (p) \to p π^{-} (p)$ are presented over a wide final state hadron angle rang…

nucl-ex2021

Polarized Structure Function $σ_{L T^{'}}$ from $π^{0} p$ Electroproduction Data in the Resonance Region at $0.4$ GeV $^{2} < Q^{2} < 1.0$ GeV $^{2}$

E. L. Isupov, V. D. Burkert, A. A. Golubenko +138

The first results on the $σ_{L T^{'}}$ structure function in exclusive $π^{0} p$ electroproduction at invariant masses of the final state of 1.5 GeV $<$ $W$ $<$ 1.8 GeV and in the range o…

nucl-ex2021★ 28 cited

Measurement of charged-pion production in deep-inelastic scattering off nuclei with the CLAS detector

S. Moran, R. Dupre, H. Hakobyan +141

Background: Energetic quarks in nuclear DIS propagate through the nuclear medium. Processes that are believed to occur inside nuclei include quark energy loss through medium-stimul…

hep-ex2021★ 34 cited

First-time measurement of Timelike Compton Scattering

P. Chatagnon, S. Niccolai, S. Stepanyan +146

We present the first measurement of the Timelike Compton Scattering process, $γ p \to p^{'} γ^{*} (γ^{*} \to e^{+} e^{-})$ , obtained with the CLAS12 detector at Jefferson Lab. The photon b…

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 Beam Spin Asymmetries of π±π0 dihadrons at CLAS12

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

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

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

Design, Construction, and Performance of the GEM based Radial Time Projection Chamber for the BONuS12 Experiment with CLAS12

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

Beam Spin Asymmetry Measurements of Deeply Virtual π0 Production with CLAS12

Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab

Measurement of the helicity asymmetry E for the γ​p​→pπ0 reaction in the resonance region

The Present and Future of QCD

First measurement of hard exclusive π−Δ++ electroproduction beam-spin asymmetries off the proton

First CLAS12 measurement of DVCS beam-spin asymmetries in the extended valence region

A multidimensional study of the structure function ratio σLT′​/σ0​ from hard exclusive π+ electro-production off protons in the GPD regime

First Measurement of Λ Electroproduction off Nuclei in the Current and Target Fragmentation Regions

First observation of correlations between spin and transverse momenta in back-to-back dihadron production at CLAS12

Alignment of the CLAS12 central hybrid tracker with a Kalman Filter

Observation of azimuth-dependent suppression of hadron pairs in electron scattering off nuclei

Exclusive π− Electroproduction off the Neutron in Deuterium in the Resonance Region

Polarized Structure Function σLT′​ from π0p Electroproduction Data in the Resonance Region at 0.4 GeV2<Q2<1.0 GeV2

Measurement of charged-pion production in deep-inelastic scattering off nuclei with the CLAS detector

First-time measurement of Timelike Compton Scattering

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 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

Beam Spin Asymmetry Measurements of Deeply Virtual $π^{0}$ Production with CLAS12

Measurement of the helicity asymmetry $E$ for the $γ p \to p π^{0}$ reaction in the resonance region

First measurement of hard exclusive $π^{-} Δ^{++}$ electroproduction beam-spin asymmetries off the proton

A multidimensional study of the structure function ratio $σ_{L T^{'}} / σ_{0}$ from hard exclusive $π^{+}$ electro-production off protons in the GPD regime

First Measurement of $Λ$ Electroproduction off Nuclei in the Current and Target Fragmentation Regions

Exclusive $π^{-}$ Electroproduction off the Neutron in Deuterium in the Resonance Region

Polarized Structure Function $σ_{L T^{'}}$ from $π^{0} p$ Electroproduction Data in the Resonance Region at $0.4$ GeV $^{2} < Q^{2} < 1.0$ GeV $^{2}$