CLAS Physics Database

Measurement E42M1

Experiment: eg1b
Year: 2000
Spokesperson: H.Avakian
Reaction: ep → π++X
Polarization: beam, target (longitudinal)
Quantity: A1
Q2: 0.0 GeV2
x: 0.15 — 0.45
Publication:
H. Avakian, P. Bosted, V.D. Burkert, L. Elouadrhiri, and CLAS Collaboration Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target // Phys. Rev. Lett. 105:262002,2010

Measurement data
x A1 uncertainty
0.15 0.2352 0.0466
0.21 0.3169 0.026
0.27 0.371 0.0253
0.33 0.468 0.03
0.39 0.5084 0.0384
0.45 0.6268 0.0544