CLAS Physics Database

Measurement E25M28

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: 2.04 — 2.51 GeV2
x: 0.23 — 0.299
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
0.299 2.51 0.506 26.455 0.0 1.238
0.258 2.24 0.496 49.728 0.169 0.071
0.254 2.21 0.498 75.51 0.058 0.052
0.249 2.18 0.494 104.075 0.145 0.051
0.246 2.17 0.486 132.976 -0.026 0.075
0.23 2.04 0.485 164.465 0.015 0.099
0.249 2.22 0.486 198.507 -0.017 0.085
0.25 2.22 0.494 226.113 -0.025 0.06
0.252 2.21 0.487 256.561 -0.098 0.051
0.253 2.21 0.494 284.065 -0.06 0.048
0.256 2.21 0.492 309.958 -0.176 0.079
0.296 2.46 0.474 332.155 -0.618 0.691