CLAS Physics Database

Measurement E25M18

Experiment: e1-dvcs E06-003
Year: 2007
Spokespersons: V. D. Burkert, L. Elouadrhiri, M. Garçon, S. Stepanyan
Reaction: ep → π0p
Polarization: beam
Quantity: A
Q2: 1.65 — 1.76 GeV2
x: 0.229 — 0.274
Publication:
R. De Masi, M. Garçon, B. Zhao, and CLAS Collaboration Beam spin asymmetry in deep and exclusive π0 electroproduction // arXiv:0711.4736

Measurement data
x Q2, [GeV2] -t, [GeV2] φ, [deg] A uncertainty
0.272 1.75 0.478 20.448 -0.137 0.094
0.253 1.7 0.492 46.23 0.139 0.035
0.246 1.7 0.493 71.09 0.096 0.04
0.229 1.65 0.466 102.089 0.14 0.098
0.255 1.67 0.485 136.014 0.24 0.15
0.258 1.68 0.487 165.961 -0.137 0.106
0.255 1.68 0.486 195.686 -0.106 0.139
0.262 1.74 0.488 220.393 -0.191 0.171
0.231 1.65 0.478 262.106 0.106 0.09
0.243 1.69 0.49 286.095 -0.103 0.039
0.253 1.7 0.494 314.66 -0.058 0.039
0.274 1.76 0.485 338.755 -0.017 0.077