A. Khanal

activity

20182026

most citedDirect Observation of Proton-Neutron Short-Range Correlation Dominance in Heavy Nuclei

117 citations · 544 across the 36 of their papers we have counts for

collaborators

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25 papers · 1 filter

nucl-ex2026

First measurement of polarized spin-density matrix elements and differential cross sections d $σ$ /d $t$ in $ω$ ~photoproduction off the proton for $2.7 < E_{γ} < 5.2$ GeV using CLAS at Jefferson Lab

T. Hu, Z. Akbar, V. Crede +147

We report on the differential cross sections d $σ$ /d $t$ , the unpolarized spin-density matrix elements $ρ_{00}^{0}$ , $ρ_{1 - 1}^{0}$ , Re\, $ρ_{10}^{0}$ , and the first extraction of the polari…

nucl-ex2024

The EMC Effect of Tritium and Helium-3 from the JLab MARATHON Experiment

D. Abrams, H. Albataineh, B. S. Aljawrneh +131

Measurements of the EMC effect in the tritium and helium-3 mirror nuclei are reported. The data were obtained by the MARATHON Jefferson Lab experiment, which performed deep inelast…

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 $E_{γ}$ …

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…

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

Constraints on the onset of color transparency from quasi-elastic $^{12}$ C $(e, e^{'} p)$ up to $Q^{2} = 14.2$ (GeV $/ c)^{2}$

D. Bhetuwal, J. Matter, H. Szumila-Vance +87

Quasi-elastic scattering on $^{12}$ C $(e, e^{'} p)$ was measured in Hall C at Jefferson Lab for space-like 4-momentum transfer squared $Q^{2}$ in the range of 8--14.2\,(GeV/ $c$ ) $^{2}$ with p…

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-ex2022★ 13 cited

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

D. S. Carman, A. D'Angelo, L. Lanza +138

Beam-recoil transferred polarizations for the exclusive electroproduction of $K^{+} Λ$ and $K^{+} Σ^{0}$ final states from an unpolarized proton target have been measured using the CLAS12…

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…

nucl-ex2021

Beam-spin asymmetry $Σ$ for $Σ^{-}$ hyperon photoproduction off the neutron

Nicholas Zachariou, Edwin Munevar, Barry Berman +8

We report a new measurement of the beam-spin asymmetry $Σ$ for the $γ n \to K^{+} Σ^{-}$ reaction using quasi-free neutrons in a liquid-deuterium target. The new…

nucl-ex2021★ 17 cited

Measurement of deeply virtual Compton scattering off Helium-4 with CLAS at Jefferson Lab

R. Dupré, M. Hattawy, N. A. Baltzell +138

We report on the measurement of the beam spin asymmetry in the deeply virtual Compton scattering off $^{4}$ He using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab us…

nucl-ex2021★ 25 cited

Measurement of the proton spin structure at long distances

X. Zheng, A. Deur, H. Kang +148

Measuring the spin structure of protons and neutrons tests our understanding of how they arise from quarks and gluons, the fundamental building blocks of nuclear matter. At long di…

nucl-ex2020★ 8 cited

Photoproduction of the $f_{2} (1270)$ meson using the CLAS detector

M. ~Carver, A. ~Celentano, K. ~Hicks +137

The quark structure of the $f_{2} (1270)$ meson has, for many years, been assumed to be a pure quark-antiquark ( $q q ˉ$ ) resonance with quantum numbers $J^{P C} = 2^{++}$ . Recently,…

nucl-ex2020★ 22 cited

Extraction of beam-spin asymmetries from the hard exclusive $π^{+}$ channel off protons in a wide range of kinematics

S. Diehl, K. Joo, A. Kim +135

We have measured beam-spin asymmetries to extract the $sin ϕ$ moment $A_{LU}^{s i n ϕ}$ from the hard exclusive $e p \to e^{'} n π^{+}$ reaction above the resonance region, fo…

nucl-ex2020★ 102 cited

Probing the core of the strong nuclear interaction

A. Schmidt, J. R. Pybus, R. Weiss +162

The strong nuclear interaction between nucleons (protons and neutrons) is the effective force that holds the atomic nucleus together. This force stems from fundamental interactions…

nucl-ex2020★ 11 cited

First measurement of direct photoproduction of the $a_{2} (1320)^{0}$ meson on the proton

A. Celentano, M. Battaglieri, R. De Vita +4

We present the first measurement of the exclusive reaction $γ p \to a_{2} (1320)^{0} p$ in the photon energy range $3.5$ - $5.5$ GeV and four-momentum transfer squared $0.2<-t<2…

nucl-ex2020★ 27 cited

Probing few-body nuclear dynamics via 3H and 3He (e,e'p)pn cross-section measurements

R. Cruz-Torres, D. Nguyen, F. Hauenstein +125

We report the first measurement of the \eep three-body breakup reaction cross sections in helium-3 ( $^{3}$ He) and tritium ( $^{3}$ H) at large momentum transfer ($\langle Q^2 \rangle \ap…

nucl-ex2019★ 26 cited

Comparing proton momentum distributions in $A = 2$ and 3 nuclei via $^{2}$ H $^{3}$ H and $^{3}$ He $(e, e^{'} p)$ measurements

R. Cruz-Torres, S. Li, F. Hauenstein +125

We report the first measurement of the $(e, e^{'} p)$ reaction cross-section ratios for Helium-3 ( $^{3}$ He), Tritium ( $^{3}$ H), and Deuterium ( $d$ ). The measurement covered a missing moment…

nucl-ex2018

First Measurements of the Double-Polarization Observables $F$ , $P$ , and $H$ in $ω$ Photoproduction off Transversely Polarized Protons in the $N^{*}$ Resonance Region

P. Roy, S. Park, V. Crede +145

First measurements of double-polarization observables in $ω$ photoproduction off the proton are presented using transverse target polarization and data from the CEBAF Large Accepta…

nucl-ex2018★ 23 cited

Measurement of Nuclear Transparency Ratios for Protons and Neutrons

M. Duer, O. Hen, E. Piasetzky +6

This paper presents, for the first time, measurements of neutron transparency ratios for nuclei relative to C measured using the (e,e'n) reaction, spanning measured neutron momenta…

First measurement of polarized spin-density matrix elements and differential cross sections dσ/dt in ω~photoproduction off the proton for 2.7<Eγ​<5.2 GeV using CLAS at Jefferson Lab

The EMC Effect of Tritium and Helium-3 from the JLab MARATHON Experiment

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

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

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

Constraints on the onset of color transparency from quasi-elastic 12C(e,e′p) up to Q2=14.2(GeV/c)2

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

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

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

Beam-spin asymmetry Σ for Σ− hyperon photoproduction off the neutron

Measurement of deeply virtual Compton scattering off Helium-4 with CLAS at Jefferson Lab

Measurement of the proton spin structure at long distances

Photoproduction of the f2​(1270) meson using the CLAS detector

Extraction of beam-spin asymmetries from the hard exclusive π+ channel off protons in a wide range of kinematics

Probing the core of the strong nuclear interaction

First measurement of direct photoproduction of the a2​(1320)0 meson on the proton

Probing few-body nuclear dynamics via 3H and 3He (e,e'p)pn cross-section measurements

Comparing proton momentum distributions in A=2 and 3 nuclei via 2H 3H and 3He (e,e′p) measurements

First Measurements of the Double-Polarization Observables F, P, and H in ω Photoproduction off Transversely Polarized Protons in the N∗ Resonance Region

Measurement of Nuclear Transparency Ratios for Protons and Neutrons

First measurement of polarized spin-density matrix elements and differential cross sections d $σ$ /d $t$ in $ω$ ~photoproduction off the proton for $2.7 < E_{γ} < 5.2$ GeV using CLAS at Jefferson Lab

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

Constraints on the onset of color transparency from quasi-elastic $^{12}$ C $(e, e^{'} p)$ up to $Q^{2} = 14.2$ (GeV $/ c)^{2}$

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

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

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 $^{2}$

Beam-spin asymmetry $Σ$ for $Σ^{-}$ hyperon photoproduction off the neutron

Photoproduction of the $f_{2} (1270)$ meson using the CLAS detector

Extraction of beam-spin asymmetries from the hard exclusive $π^{+}$ channel off protons in a wide range of kinematics

First measurement of direct photoproduction of the $a_{2} (1320)^{0}$ meson on the proton

Comparing proton momentum distributions in $A = 2$ and 3 nuclei via $^{2}$ H $^{3}$ H and $^{3}$ He $(e, e^{'} p)$ measurements

First Measurements of the Double-Polarization Observables $F$ , $P$ , and $H$ in $ω$ Photoproduction off Transversely Polarized Protons in the $N^{*}$ Resonance Region