M. Hattawy

activity

20142026

most citedMomentum sharing in imbalanced Fermi systems

310 citations · 2.7k across the 107 of their papers we have counts for

collaborators

Showing nucl-exShow all

76 papers · 1 filter

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

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-ex2026

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…

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…

nucl-ex2025

Threshold $J / ψ$ Photoproduction as a Probe of Nuclear Gluon Structure

J. R. Pybus, D. Dutta, H. Gao +83

The nuclear EMC effect is the observation that quark distributions in bound nucleons experience significant modification at large $x$ relative to free nucleons. Despite decades of…

nucl-ex2025

Realizing the Scientific Program with Polarized Ion Beams at EIC

Grigor Atoian, Nigel Buttimore, Giuseppe Ciullo +67

Polarized ion beams at the Electron Ion Collider are essential to address some of the most important open questions at the twenty-first century frontiers of understanding of the fu…

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…

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…

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

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-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…

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★ 1 cited

Beam Charge Asymmetries for Deeply Virtual Compton Scattering on the Proton at CLAS12

E. Voutier, V. Burkert, S. Niccolai +76

The parameterization of the nucleon structure through Generalized Parton Distributions (GPDs) shed a new light on the nucleon internal dynamics. For its direct interpretation, Deep…

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★ 77 cited

Precision Studies of QCD in the Low Energy Domain of the EIC

V. Burkert, L. Elouadrhiri, A. Afanasev +11

The manuscript focuses on the high impact science of the EIC with objective to identify a portion of the science program for QCD precision studies that requires or greatly benefits…

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

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…

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

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

ePIC Early Science Report

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

Threshold J/ψ Photoproduction as a Probe of Nuclear Gluon Structure

Realizing the Scientific Program with Polarized Ion Beams at EIC

Measurement of Beam-Recoil Observables Cx​ and Cz​ 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

Photoproduction of two charged pions off protons in the resonance region

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

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

Dihadron Azimuthal Correlations in Deep-Inelastic Scattering Off Nuclear Targets

Beam Charge Asymmetries for Deeply Virtual Compton Scattering on the Proton at 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

Precision Studies of QCD in the Low Energy Domain of the EIC

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

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

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

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

Threshold $J / ψ$ Photoproduction as a Probe of Nuclear Gluon Structure

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

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

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 $^{2}$