CLAS Physics Database

Measurement E25M23

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: 1.87 — 2.06 GeV2
x: 0.231 — 0.28
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 2.05 0.478 25.16 -0.078 0.259
0.254 1.97 0.492 47.917 0.122 0.045
0.248 1.94 0.494 74.27 0.06 0.041
0.239 1.9 0.48 102.658 -0.006 0.052
0.232 1.88 0.474 132.072 0.075 0.112
0.234 1.87 0.472 163.604 0.227 0.151
0.236 1.89 0.497 194.822 -0.238 0.227
0.231 1.88 0.476 226.811 -0.16 0.114
0.241 1.92 0.49 259.22 -0.03 0.053
0.247 1.94 0.493 284.045 -0.055 0.038
0.256 1.98 0.491 312.61 -0.074 0.049
0.28 2.06 0.469 335.22 0.034 0.243