activity
20042020
most citedObservation of the Naive-T-odd Sivers Effect in Deep-Inelastic Scattering

303 citations · 2.1k across the 33 of their papers we have counts for

collaborators

34 papers

hep-ex2020

Azimuthal single- and double-spin asymmetries in semi-inclusive deep-inelastic lepton scattering by transversely polarized protons

HERMES Collaboration, A. Airapetian, N. Akopov +72

A comprehensive set of azimuthal single-spin and double-spin asymmetries in semi-inclusive leptoproduction of pions, charged kaons, protons, and antiprotons from transversely polar…

hep-ex2019★ 15 cited

Beam-helicity asymmetries for single-hadron production in semi-inclusive deep-inelastic scattering from unpolarized hydrogen and deuterium targets

HERMES Collaboration, A. Airapetian, N. Akopov +73

A measurement of beam-helicity asymmetries for single-hadron production in deep-inelastic scattering is presented. Data from the scattering of 27.6 GeV electrons and positrons off…

hep-ex2018★ 17 cited

Longitudinal double-spin asymmetries in semi-inclusive deep-inelastic scattering of electrons and positrons by protons and deuterons

HERMES Collaboration, A. Airapetian, N. Akopov +96

A comprehensive collection of results on longitudinal double-spin asymmetries is presented for charged pions and kaons produced in semi-inclusive deep-inelastic scattering of elect…

hep-ex2017★ 13 cited

Ratios of helicity amplitudes for exclusive electroproduction on transversely polarized protons

The HERMES Collaboration, A. Airapetian, N. Akopov +74

Exclusive -meson electroproduction is studied by the HERMES experiment, using the 27.6 GeV longitudinally polarized electron/positron beam of HERA and a transversely polarized…

nucl-ex2016★ 9 cited

First measurement of unpolarized SIDIS cross section and cross section ratios from a He target

X. Yan, K. Allada, K. Aniol +114

The unpolarized semi-inclusive deep-inelastic scattering (SIDIS) differential cross sections in He() have been measured for the first time in Jefferson…

hep-ex2015★ 2 cited

Transverse-target-spin asymmetry in exclusive -meson electroproduction

The HERMES Collaboration, A. Airapetian, N. Akopov +93

Hard exclusive electroproduction of mesons is studied with the HERMES spectrometer at the DESY laboratory by scattering 27.6 GeV positron and electron beams off a transversely…

hep-ex2015

Bose-Einstein correlations in hadron-pairs from lepto-production on nuclei ranging from hydrogen to xenon

HERMES Collaboration, A. Airapetian, N. Akopov +116

Bose-Einstein correlations of like-sign charged hadrons produced in deep-inelastic electron and positron scattering are studied in the HERMES experiment using nuclear targets of $^…

nucl-ex2015★ 12 cited

Double Spin Asymmetries of Inclusive Hadron Electroproductions from a Transversely Polarized Target

The Jefferson Lab Hall A Collaboration, Y. X. Zhao, K. Allada +114

We report the measurement of beam-target double-spin asymmetries () in the inclusive production of identified hadrons, +$~^3\text{He}^{\uparrow}\rightarrow h…

hep-ex2014★ 3 cited

Pentaquark search at HERMES

The HERMES Collaboration, N. Akopov, Z. Akopov +103

The earlier search at HERMES for narrow baryon states excited in quasi-real photoproduction, decaying through the channel , has been extended with improv…

hep-ex2014★ 15 cited

Transverse polarization of hyperons from quasireal photoproduction on nuclei

The HERMES Collaboration, A. Airapetian, N. Akopov +134

The transverse polarization of hyperons was measured in inclusive quasireal photoproduction for various target nuclei ranging from hydrogen to xenon. The data were obtained by…

nucl-ex2014★ 44 cited

Single Spin Asymmetries in Charged Kaon Production from Semi-Inclusive Deep Inelastic Scattering on a Transversely Polarized Target

Y. X. Zhao, Y. Wang, K. Allada +113

We report the first measurement of target single spin asymmetries of charged kaons produced in semi-inclusive deep inelastic scattering of electrons off a transversely polarized $^…

nucl-ex2013★ 20 cited

Measurement of pretzelosity asymmetry of charged pion production in Semi-Inclusive Deep Inelastic Scattering on a polarized He target

Y. Zhang, X. Qian, K. Allada +112

An experiment to measure single-spin asymmetries in semi-inclusive production of charged pions in deep-inelastic scattering on a transversely polarized He target was performed…

hep-ex2013★ 50 cited

Reevaluation of the parton distribution of strange quarks in the nucleon

The HERMES Collaboration, A. Airapetian, N. Akopov +111

An earlier extraction from the HERMES experiment of the polarization-averaged parton distribution of strange quarks in the nucleon has been reevaluated using final data on the mult…

nucl-ex2013★ 46 cited

Single Spin Asymmetries of Inclusive Hadrons Produced in Electron Scattering from a Transversely Polarized He Target

K. Allada, Y. X. Zhao, K. Aniol +113

We report the first measurement of target single-spin asymmetries (A) in the inclusive hadron production reaction, +, using a transv…

nucl-ex2013★ 32 cited

Measurement of the Target-Normal Single-Spin Asymmetry in Deep-Inelastic Scattering from the Reaction

J. Katich, X. Qian, Y. X. Zhao +113

We report the first measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the inclusive reaction He on a pola…

hep-ex2013★ 3 cited

Transverse target single-spin asymmetry in inclusive electroproduction of charged pions and kaons

The HERMES Collaboration, A. Airapetian, N. Akopov +129

Single-spin asymmetries were investigated in inclusive electroproduction of charged pions and kaons from transversely polarized protons at the HERMES experiment. The asymmetries we…

hep-ex2013★ 4 cited

Beam-helicity asymmetry in associated electroproduction of real photons in the -resonance region

The HERMES Collaboration, A. Airapetian, N. Akopov +114

The beam-helicity asymmetry in associated electroproduction of real photons, , in the (1232)-resonance region is measured using the longitudinally polarized HERA pos…

hep-ex2012★ 193 cited

Multiplicities of charged pions and kaons from semi-inclusive deep-inelastic scattering by the proton and the deuteron

HERMES Collaboration, A. Airapetian, N. Akopov +135

Multiplicities in semi-inclusive deep-inelastic scattering are presented for each charge state of π^\pm and K^\pm mesons. The data were collected by the HERMES experiment at the HE…

hep-ex2012★ 65 cited

Beam-helicity asymmetry arising from deeply virtual Compton scattering measured with kinematically complete event reconstruction

The HERMES Collaboration, A. Airapetian, N. Akopov +133

The beam-helicity asymmetry in exclusive electroproduction of real photons by the longitudinally polarized HERA positron beam scattering off an unpolarized hydrogen target is measu…

hep-ex2012★ 82 cited

Azimuthal distributions of charged hadrons, pions, and kaons produced in deep-inelastic scattering off unpolarized protons and deuterons

HERMES Collaboration, A. Airapetian, N. Akopov +125

The azimuthal cosϕ and cos2ϕ modulations of the distribution of hadrons produced in unpolarized semi-inclusive deep-inelastic scattering of electrons and positrons off hydrogen and…

hep-ex2012★ 89 cited

Beam-helicity and beam-charge asymmetries associated with deeply virtual Compton scattering on the unpolarised proton

The HERMES Collaboration, A. Airapetian, N. Akopov +124

Beam-helicity and beam-charge asymmetries in the hard exclusive leptoproduction of real photons from an unpolarised hydrogen target by a 27.6 GeV lepton beam are extracted from the…

hep-ex2011★ 47 cited

Measurement of the virtual-photon asymmetry A2 and the spin-structure function g2 of the proton

The HERMES Collaboration, A. Airapetian, N. Akopov +132

A measurement of the virtual-photon asymmetry A_2(x,Q^2) and of the spin-structure function g_2(x,Q^2) of the proton are presented for the kinematic range 0.004 < x < 0.9 and 0.18…

nucl-ex2011★ 58 cited

Beam-Target Double Spin Asymmetry A_LT in Charged Pion Production from Deep Inelastic Scattering on a Transversely Polarized He-3 Target at 1.4<Q^2<2.7 GeV^2

J. Huang, K. Allada, C. Dutta +112

We report the first measurement of the double-spin asymmetry for charged pion electroproduction in semi\nobreakdash-inclusive deep\nobreakdash-inelastic electron scatterin…

hep-ex2011★ 45 cited

Multidimensional Study of Hadronization in Nuclei

HERMES Collaboration, A. Airapetian, N. Akopov +137

Hadron multiplicities in semi-inclusive deep-inelastic scattering were measured on neon, krypton and xenon targets relative to deuterium at an electron(positron)-beam energy of 27.…