activity
19972007
most citedMeasurement of the Beam-Spin Azimuthal Asymmetry Associated with Deeply-Virtual Compton Scattering

312 citations · 1.7k across the 12 of their papers we have counts for

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11 papers · 1 filter

hep-ex2007★ 26 cited

Transverse Polarization of Lambda and Lambda-bar Hyperons in Quasireal Photoproduction

The HERMES Collaboration, A. Airapetian

The HERMES experiment has measured the transverse polarization of Lambda and Lambda-bar hyperons produced inclusively in quasireal photoproduction at a positron beam energy of 27.6…

hep-ex2005★ 8 cited

Measurement of the Analyzing Power in Elastic Scattering in the CNI Region with a Polarized Atomic Hydrogen Gas Jet Target

H. Okada, I. G. Alekseev, A. Bravar +13

A precise measurement of the analyzing power in proton-proton elastic scattering in the region of 4-momentum transfer squared has been p…

hep-ex2002★ 59 cited

The Q^2-Dependence of Nuclear Transparency for Exclusive Production

HERMES Collaboration, A. Airapetian

Exclusive coherent and incoherent electroproduction of the meson from H and N targets has been studied at the HERMES experiment as a function of coherence length (…

hep-ex2001★ 312 cited

Measurement of the Beam-Spin Azimuthal Asymmetry Associated with Deeply-Virtual Compton Scattering

HERMES Collaboration, A. Airapetian

The beam-spin asymmetry in hard electroproduction of photons has been measured for the first time. The data have been accumulated by the HERMES experiment at DESY using the HERA 27…

hep-ex2001★ 176 cited

Single-spin Azimuthal Asymmetries in Electroproduction of Neutral Pions in Semi-inclusive Deep-inelastic Scattering

HERMES Collaboration, A. Airapetian

A single-spin asymmetry in the azimuthal distribution of neutral pions relative to the lepton scattering plane has been measured for the first time in deep-inelastic scattering of…

hep-ex1999★ 44 cited

Measurement of Longitudinal Spin Transfer to Lambda Hyperons in Deep-Inelastic Lepton Scattering

HERMES Collaboration, A. Airapetian

Spin transfer in deep-inelastic Lambda electroproduction has been studied with the HERMES detector using the 27.6 GeV polarized positron beam in the HERA storage ring. For an avera…

hep-ex1999★ 137 cited

Measurement of the Spin Asymmetry in the Photoproduction of Pairs of High-pT Hadrons at HERMES

A. Airapetian

We present a measurement of the longitudinal spin asymmetry A_|| in photoproduction of pairs of hadrons with high transverse momentum p_T. Data were accumulated by the HERMES exper…

hep-ex1998★ 235 cited

Measurement of the Proton Spin Structure Function g1p with a Pure Hydrogen Target

A. Airapetian

A measurement of the proton spin structure function g1p(x,Q^2) in deep-inelastic scattering is presented. The data were taken with the 27.6 GeV longitudinally polarised positron be…

hep-ex1998★ 301 cited

The HERMES Spectrometer

K. Ackerstaff

The HERMES experiment is collecting data on inclusive and semi-inclusive deep inelastic scattering of polarised positrons from polarised targets of H, D, and He. These data give in…

hep-ex1998★ 20 cited

Beam-Induced Nuclear Depolarisation in a Gaseous Polarised Hydrogen Target

K. Ackerstaff

Spin-polarised atomic hydrogen is used as a gaseous polarised proton target in high energy and nuclear physics experiments operating with internal beams in storage rings. When such…

hep-ex1997★ 308 cited

Measurement of the Neutron Spin Structure Function with a Polarized ^3He Target

The HERMES Collaboration, K. Ackerstaff

Results are reported from the HERMES experiment at HERA on a measurement of the neutron spin structure function in deep inelastic scattering using 27.5 GeV longitudi…