CLAS Physics Database

Measurement E25M44

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: 2.63 — 2.95 GeV2
x: 0.347 — 0.383
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
0.377 2.77 0.744 21.404 0.07 0.092
0.359 2.69 0.774 46.777 0.02 0.043
0.356 2.7 0.771 71.716 0.093 0.046
0.351 2.69 0.736 100.451 0.305 0.135
0.372 2.72 0.724 131.61 0.162 0.224
0.377 2.95 0.842 170.219 -0.444 1.412
0.347 2.63 0.805 199.317 -0.332 0.254
0.37 2.73 0.73 224.028 -0.097 0.182
0.352 2.7 0.748 260.853 -0.017 0.107
0.355 2.69 0.773 286.636 0.024 0.047
0.36 2.7 0.779 313.907 -0.13 0.046
0.383 2.79 0.744 338.964 -0.04 0.086