CLAS Physics Database

Measurement E25M13

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: 1.43 — 1.57 GeV2
x: 0.159 — 0.185
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
0.185 1.57 0.596 27.076 32.26 576.0
0.179 1.56 0.508 49.308 -0.015 0.084
0.177 1.56 0.488 75.168 0.052 0.059
0.178 1.57 0.493 103.746 0.186 0.055
0.176 1.55 0.486 133.259 0.126 0.071
0.172 1.54 0.476 164.016 0.051 0.081
0.173 1.55 0.483 194.895 0.027 0.082
0.173 1.54 0.483 226.254 0.016 0.065
0.175 1.55 0.49 256.092 -0.054 0.056
0.178 1.56 0.495 283.992 -0.063 0.056
0.177 1.56 0.502 308.831 0.065 0.102
0.159 1.43 0.56 340.647 -1.202 1.7