W. Armstrong

activity

20242026

collaborators

7 papers

hep-ex2026

Flavor, transverse momentum, and azimuthal dependence of charged pion multiplicities in SIDIS with 10.6 GeV electrons

Hall C SIDIS Collaboration, P. Bosted, H. Bhatt +68

Measurements of SIDIS multiplicities for $I ¨ ^{+}$ and $I ¨ ^{-}$ from proton and deuteron targets are reported on a grid of hadron kinematic variables $z$ , $P_{T}$ , and $I ¨ ^{*}$ for lept…

hep-ex2026

Charged kaon and proton multiplicities in semi-inclusive deep-inelastic scattering with 11 GeV electrons

P. Bosted, W. Armstrong, H. Bhatt +67

Measurements of SIDIS multiplicities for charged kaons and protons from proton and deuteron targets are reported on a grid of hadron kinematic variables $0.3 < z < 0.7$ and $P_{t} < 0.6$ …

nucl-ex2026

Near-Threshold J/ $I ¨ \to I^¼^{+} I^¼^{-}$ Photoproduction and the Gluonic Gravitational Form Factors of the Proton

007 Collaboration, S. Joosten, Z. -E. Meziani +56

We report on the measurement of the two-dimensional differential cross section for near-threshold J/ $I ¨ \to I^¼^{+} I^¼^{-}$ photoproduction from the J/ $I ¨ $ -007 experiment in Hall C at Jef…

hep-ex2026

Measurements of Beam Spin Asymmetries of $I ¨ ^{\pm} I ¨ ^{0}$ dihadrons at CLAS12

A. G. Acar, P. Achenbach, J. S. Alvarado +131

A first measurement of beam spin asymmetries for $I ¨ ^{+} I ¨ ^{0}$ and $I ¨ ^{-} I ¨ ^{0}$ pairs in semi-inclusive deep inelastic scattering is reported. The asymmetries in the dihadron angular di…

nucl-ex2025

Probing hard/soft factorization via beam-spin asymmetry in exclusive pion electroproduction from the proton

Alicia C. Postuma, Garth M. Huber, D. J. Gaskell +76

Deep exclusive meson production (DEMP) reactions, such as $p (e, e^{'} I ¨ ^{+}) n$ , provide opportunities to study the three-dimensional structure of the nucleon through differential c…

hep-ex2025

New Measurements of the Deuteron to Proton F2 Structure Function Ratio

Debaditya Biswas, Fernando Araiza Gonzalez, William Henry +89

Nucleon structure functions, as measured in lepton-nucleon scattering, have historically provided a critical observable in the study of partonic dynamics within the nucleon. Howeve…

Flavor, transverse momentum, and azimuthal dependence of charged pion multiplicities in SIDIS with 10.6 GeV electrons

Charged kaon and proton multiplicities in semi-inclusive deep-inelastic scattering with 11 GeV electrons

Near-Threshold J/I¨→I^¼+I^¼− Photoproduction and the Gluonic Gravitational Form Factors of the Proton

Measurements of Beam Spin Asymmetries of I¨±I¨0 dihadrons at CLAS12

Probing hard/soft factorization via beam-spin asymmetry in exclusive pion electroproduction from the proton

New Measurements of the Deuteron to Proton F2 Structure Function Ratio

Near-Threshold J/ $I ¨ \to I^¼^{+} I^¼^{-}$ Photoproduction and the Gluonic Gravitational Form Factors of the Proton

Measurements of Beam Spin Asymmetries of $I ¨ ^{\pm} I ¨ ^{0}$ dihadrons at CLAS12