B. Yale

activity

20182026

most citedPrecision Determination of the Neutral Weak Form Factor of

^{48}

303 citations · 576 across the 23 of their papers we have counts for

collaborators

24 papers

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-ex2025

Backward-angle electroproduction of $η^{'}$ mesons off protons at $W = 2.13 GeV$ and $Q^{2} = 0.46 (GeV / c)^{2}$

T. Akiyama, P. Bydžovský, T. Gogami +83

The electroproduction of $η^{'}$ mesons from a $^{1} H$ target at $W = 2.13 GeV$ , $Q^{2} = 0.46 (GeV / c)^{2}$ and $\cos θ^{\text{CM}}_{γ^{*}η'} \approx…

nucl-ex2024

Quasielastic $^{3} He (e, e^{'})$ Asymmetry in the Threshold Region

M. Nycz, W. Armstrong, T. Averett +97

A measurement of the double-spin asymmetry from electron- $^{3}$ He scattering in the threshold region of two- and three-body breakup of $^{3}$ He was performed at Jefferson Lab, for…

nucl-ex2024

Electroproduction of the Lambda/Sigma^0 hyperons at Q^2~0.5 (GeV/c)^2 at forward angles

K. Okuyama, K. Itabashi, S. Nagao +83

In 2018, the E12-17-003 experiment was conducted at the Thomas Jefferson National Accelerator Facility (JLab) to explore the possible existence of an nnLambda state in the reconstr…

hep-ex2022★ 10 cited

Searching for Prompt and Long-Lived Dark Photons in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

P. H. Adrian, N. A. Baltzell, M. Battaglieri +81

The Heavy Photon Search experiment (HPS) at the Thomas Jefferson National Accelerator Facility searches for electro-produced dark photons. We report results from the 2016 Engineeri…

nucl-ex2022★ 303 cited

Precision Determination of the Neutral Weak Form Factor of $^{48}$ Ca

D. Adhikari, H. Albataineh, D. Androic +99

We report a precise measurement of the parity-violating asymmetry $A_{PV}$ in the elastic scattering of longitudinally polarized electrons from $^{48} Ca$ . We measure $A_{…

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★ 23 cited

New Measurements of the Beam-Normal Single Spin Asymmetry in Elastic Electron Scattering Over a Range of Spin-0 Nuclei

PREX, CREX Collaborations, : +104

We report precision determinations of the beam normal single spin asymmetries ( $A_{n}$ ) in the elastic scattering of 0.95 and 2.18~GeV electrons off $^{12}$ C, $^{40}$ Ca, $^{48}$ Ca, a…

nucl-ex2021★ 12 cited

The cross-section measurement for the $^{3} H (e, e^{'} K^{+}) nn Λ$ reaction

K. N. Suzuki, T. Gogami, B. Pandey +80

The small binding energy of the hypertrition leads to predictions of non-existence of bound hypernuclei for isotriplet three-body systems such as $nn Λ$ . However, invariant mass spe…

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…

hep-ex2021

Improved $Λ p$ Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State

CLAS Collaboration, J. Rowley, N. Compton +143

Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a significant part in the…

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…

hep-ex2021★ 9 cited

Differential cross sections for Λ(1520) using photoproduction at CLAS

U. Shrestha, T. Chetry, C. Djalali +130

The reaction $γ p \to K^{+} Λ (1520)$ using photoproduction data from the CLAS $g 12$ experiment at Jefferson Lab is studied. The decay of $Λ (1520)$ into two exclusive channel…

hep-ex2021★ 27 cited

Observation of Beam Spin Asymmetries in the Process $e p \to e π^{+} π^{-} X$ with CLAS12

T. B. Hayward, C. Dilks, A. Vossen +140

The observation of beam spin asymmetries in two-pion production in semi-inclusive deep inelastic scattering off an unpolarized proton target is reported. The data presented here we…

hep-ex2021

Multidimensional, high precision measurements of beam single spin asymmetries in semi-inclusive $π^{+}$ electroproduction off protons in the valence region

S. Diehl, A. Kim, G. Angelini +153

High precision measurements of the polarized electron beam-spin asymmetry in semi-inclusive deep inelastic scattering (SIDIS) from the proton have been performed using a 10.6~GeV i…

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,…

hep-ex2020★ 14 cited

Beam spin asymmetry in semi-inclusive electroproduction of a hadron pair

M. Mirazita, H. Avakian, A. Courtoy +140

A first measurement of the longitudinal beam spin asymmetry ALU in the semi-inclusive electroproduction of pairs of charged pions is reported. ALU is a higher-twist observable and…

hep-ex2018★ 3 cited

Search for a Dark Photon in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

P. H. Adrian, N. A. Baltzell, M. Battaglieri +74

The Heavy Photon Search experiment took its first data in a 2015 engineering run using a 1.056 GeV, 50 nA electron beam provided by CEBAF at the Thomas Jefferson National Accelerat…

hep-ex2018★ 49 cited

Search for a Dark Photon in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

P. H. Adrian, N. A. Baltzell, M. Battaglieri +74

The Heavy Photon Search experiment took its first data in a 2015 engineering run at the Thomas Jefferson National Accelerator Facility, searching for a prompt, electro-produced dar…

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

Backward-angle electroproduction of η′ mesons off protons at W=2.13 GeV and Q2=0.46 (GeV/c)2

Quasielastic 3He(e,e′) Asymmetry in the Threshold Region

Electroproduction of the Lambda/Sigma^0 hyperons at Q^2~0.5 (GeV/c)^2 at forward angles

Searching for Prompt and Long-Lived Dark Photons in Electro-Produced e+e− Pairs with the Heavy Photon Search Experiment at JLab

Precision Determination of the Neutral Weak Form Factor of 48Ca

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

New Measurements of the Beam-Normal Single Spin Asymmetry in Elastic Electron Scattering Over a Range of Spin-0 Nuclei

The cross-section measurement for the 3H(e,e′K+)nnΛ reaction

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

First-time measurement of Timelike Compton Scattering

Improved Λp Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State

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

Differential cross sections for Λ(1520) using photoproduction at CLAS

Observation of Beam Spin Asymmetries in the Process ep→eπ+π−X with CLAS12

Multidimensional, high precision measurements of beam single spin asymmetries in semi-inclusive π+ electroproduction off protons in the valence region

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

Beam spin asymmetry in semi-inclusive electroproduction of a hadron pair

Search for a Dark Photon in Electro-Produced e+e− Pairs with the Heavy Photon Search Experiment at JLab

Search for a Dark Photon in Electro-Produced e+e− Pairs with the Heavy Photon Search Experiment at JLab

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

Backward-angle electroproduction of $η^{'}$ mesons off protons at $W = 2.13 GeV$ and $Q^{2} = 0.46 (GeV / c)^{2}$

Quasielastic $^{3} He (e, e^{'})$ Asymmetry in the Threshold Region

Searching for Prompt and Long-Lived Dark Photons in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

Precision Determination of the Neutral Weak Form Factor of $^{48}$ Ca

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 $^{2}$

The cross-section measurement for the $^{3} H (e, e^{'} K^{+}) nn Λ$ reaction

Improved $Λ p$ Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State

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

Observation of Beam Spin Asymmetries in the Process $e p \to e π^{+} π^{-} X$ with CLAS12

Multidimensional, high precision measurements of beam single spin asymmetries in semi-inclusive $π^{+}$ electroproduction off protons in the valence region

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

Search for a Dark Photon in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

Search for a Dark Photon in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab