J. Brock

activity

20122026

most citedThe GlueX Beamline and Detector

99 citations · 523 across the 22 of their papers we have counts for

collaborators

Showing nucl-exShow all

12 papers · 1 filter

nucl-ex2026

A New Low $Q^{2}$ Measurement of the Proton's $g_{1}$ Spin Structure Function from Longitudinal & Transverse Polarized Data

D. Ruth, R. Zielinski, C. Gu +94

The proton's spin structure has proven to be far more complicated than was originally believed, and has been the subject of a number of experimental investigations. %Early measurem…

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★ 1 cited

The Proton Spin Structure Function $g_{2}$ and Generalized Polarizabilities in the Strong QCD Regime

D. Ruth, R. Zielinski, C. Gu +94

The strong interaction is not well understood at low energy, or for interactions with low momentum transfer $Q^{2}$ , but one of the clearest insights we have comes from Chiral Pertur…

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-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-ex2017★ 12 cited

Measurement of the beam asymmetry $Σ$ and the target asymmetry $T$ in the photoproduction of $ω$ mesons off the proton using CLAS at Jefferson Laboratory

P. Roy, Z. Akbar, S. Park +143

The photoproduction of $ω$ mesons off the proton has been studied in the reaction $γ p \to p ω$ using the CEBAF Large Acceptance Spectrometer (CLAS) and the frozen-spin target (FROS…

nucl-ex2017★ 32 cited

Measurement of the Q^2 Dependence of the Deuteron Spin Structure Function g_1 and its Moments at Low Q^2 with CLAS

K. P. Adhikari, A. Deur, L. El Fassi +145

We measured the $g_{1}$ spin structure function of the deuteron at low $Q^{2}$ , where QCD can be approximated with chiral perturbation theory ( $χ$ PT). The data cover the resonance re…

nucl-ex2017★ 14 cited

Semi-Inclusive $π_{0}$ target and beam-target asymmetries from 6 GeV electron scattering with CLAS

S. Jawalkar, S. Koirala, H. Avakian +160

We present precision measurements of the target and beam-target spin asymmetries from neutral pion electroproduction in deep-inelastic scattering (DIS) using the CEBAF Large Accept…

nucl-ex2017★ 26 cited

Measurement of the helicity asymmetry $E$ in $ω \to π^{+} π^{-} π^{0}$ photoproduction

Z. Akbar, P. Roy, S. Park +131

The double-polarization observable $E$ was studied for the reaction $γ p \to p ω$ using the CEBAF Large Acceptance Spectrometer (CLAS) in Hall B at the Thomas Jefferson National Accel…

nucl-ex2015★ 40 cited

First measurement of the helicity asymmetry $E$ in $η$ photoproduction on the proton

I. Senderovich, B. T. Morrison, M. Dugger +148

Results are presented for the first measurement of the double-polarization helicity asymmetry E for the $η$ photoproduction reaction $γ p \to η p$ . Data were obtained using t…

nucl-ex2015★ 36 cited

First Measurement of the Polarization Observable E in the $p (γ, π^{+}) n$ Reaction up to 2.25 GeV

S. Strauch, W. J. Briscoe, M. Döring +165

First results from the longitudinally polarized frozen-spin target (FROST) program are reported. The double-polarization observable E, for the reaction $γ p \to π^{+} n$ , has…

nucl-ex2014★ 48 cited

Precision measurements of $g_{1}$ of the proton and the deuteron with 6 GeV electrons

Y. Prok, P. Bosted, N. Kvaltine +160

The inclusive polarized structure functions of the proton and deuteron, g1p and g1d, were measured with high statistical precision using polarized 6 GeV electrons incident on a pol…

A New Low Q2 Measurement of the Proton's g1​ Spin Structure Function from Longitudinal & Transverse Polarized Data

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

The Proton Spin Structure Function g2​ and Generalized Polarizabilities in the Strong QCD Regime

Measurement of the proton spin structure at long distances

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 the beam asymmetry Σ and the target asymmetry T in the photoproduction of ω mesons off the proton using CLAS at Jefferson Laboratory

Measurement of the Q^2 Dependence of the Deuteron Spin Structure Function g_1 and its Moments at Low Q^2 with CLAS

Semi-Inclusive π0​ target and beam-target asymmetries from 6 GeV electron scattering with CLAS

Measurement of the helicity asymmetry E in ω→π+π−π0 photoproduction

First measurement of the helicity asymmetry E in η photoproduction on the proton

First Measurement of the Polarization Observable E in the p​(γ​,π+)n Reaction up to 2.25 GeV

Precision measurements of g1​ of the proton and the deuteron with 6 GeV electrons