activity
19982006
most citedMeasurement of the Beam-Spin Azimuthal Asymmetry Associated with Deeply-Virtual Compton Scattering

312 citations · 904 across the 13 of their papers we have counts for

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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★ 37 cited

Single-spin azimuthal asymmetry in exclusive electroproduction of pi^+ mesons

HERMES Collaboration, A. Airapetian

A single-spin asymmetry in the distribution of exclusively produced pi^+ mesons azimuthally around the virtual photon direction relative to the lepton scattering plane has been mea…

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-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★ 71 cited

Nuclear Effects on R = sigma_L / sigma_T in Deep-Inelastic Scattering

K. Ackerstaff

Cross section ratios for deep-inelastic scattering from 14N and 3He with respect to 2H have been measured by the HERMES experiment at DESY using a 27.5 GeV positron beam. The data…

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★ 57 cited

Observation of a Coherence Length Effect in Exclusive Rho^0 Electroproduction

K. Ackerstaff

Exclusive incoherent electroproduction of the rho^0(770) meson from 1H, 2H, 3He, and 14N targets has been studied by the HERMES experiment at squared four-momentum transfer Q**2>0.…

hep-ex1998★ 55 cited

Determination of the Deep Inelastic Contribution to the Generalised Gerasimov-Drell-Hearn Integral for the Proton and Neutron

K. Ackerstaff

The virtual photon absorption cross section differences [sigma_1/2-sigma_3/2] for the proton and neutron have been determined from measurements of polarised cross section asymmetri…

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…