CLAS Physics Database

Measurement E25M24

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: 1.89 — 2.0 GeV2
x: 0.234 — 0.26
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
0.247 1.94 0.821 26.261 -0.097 0.167
0.251 1.96 0.779 47.119 0.04 0.04
0.249 1.95 0.762 72.577 0.026 0.041
0.234 1.89 0.715 99.799 0.151 0.083
0.26 2.0 0.755 133.082 0.2 0.228
0.256 1.99 0.717 166.356 -0.065 0.179
0.259 1.97 0.856 193.772 0.139 0.226
0.245 1.93 0.732 226.919 0.236 0.214
0.237 1.91 0.737 260.377 -0.073 0.075
0.247 1.94 0.766 284.832 -0.075 0.038
0.252 1.96 0.784 313.598 -0.082 0.044
0.244 1.9 0.843 333.459 -0.566 0.227