CLAS Physics Database

Measurement E7M3

Experiment: E89-042 CLAS Experiment
Year: 2003
Spokespersons: V. D. Burkert, R. Minehart
Reaction: ep → π0p
Polarization: beam
Quantity: Abπ, φπ)
Q2: 0.4 GeV2
W: 1.18 GeV
x: 0.3968
Publication:
K. Joo, L.C. Smith, V.D. Burkert, R. Minehart, and CLAS Collaboration Measurement of the Polarized Structure Function of Single pi0 Electroproduction in the Delta Resonance Region // Phys. Rev. C, 68 03220101 (2003)

Slice: cos(θπ) = dimensionless

Measurement data
cos(θπ) φπ, [deg] Abπ, φπ), [1/sr] uncertainty
-0.875 22.5 -0.00959 0.0226
-0.875 67.5 0.0723 0.0225
-0.875 112.5 0.0403 0.0238
-0.875 157.5 0.0128 0.0261
-0.875 202.5 -0.0696 0.0264
-0.875 247.5 -0.0538 0.0242
-0.875 292.5 -0.0435 0.0229
-0.875 337.5 -0.00851 0.0229
-0.625 22.5 0.0464 0.0188
-0.625 67.5 -0.00214 0.018
-0.625 112.5 0.0296 0.02
-0.625 157.5 0.0433 0.0216
-0.625 202.5 -0.0614 0.0217
-0.625 247.5 -0.0239 0.02
-0.625 292.5 -0.0301 0.018
-0.625 337.5 -0.0355 0.0187
-0.375 22.5 0.0223 0.0181
-0.375 67.5 0.037 0.0171
-0.375 112.5 0.0345 0.0204
-0.375 157.5 0.00677 0.0199
-0.375 202.5 -0.0336 0.02
-0.375 247.5 -0.0665 0.0203
-0.375 292.5 -0.0352 0.0171
-0.375 337.5 -0.013 0.0181
-0.125 22.5 0.0197 0.0181
-0.125 67.5 0.0104 0.0171
-0.125 112.5 -0.00407 0.0213
-0.125 157.5 -0.00793 0.0193
-0.125 202.5 -0.00158 0.0193
-0.125 247.5 -0.0358 0.0212
-0.125 292.5 -0.00146 0.0174
-0.125 337.5 -0.013 0.0178
0.125 22.5 0.0181 0.0183
0.125 67.5 0.0417 0.0178
0.125 112.5 0.029 0.0222
0.125 157.5 -0.0135 0.0193
0.125 202.5 -0.0343 0.0191
0.125 247.5 -0.00448 0.0223
0.125 292.5 -0.00222 0.0177
0.125 337.5 -0.02 0.018
0.375 22.5 0.00871 0.0186
0.375 67.5 0.0164 0.0184
0.375 112.5 0.00429 0.0228
0.375 157.5 0.00896 0.019
0.375 202.5 -0.00517 0.0191
0.375 247.5 0.0225 0.0223
0.375 292.5 -0.0213 0.0184
0.375 337.5 -0.0146 0.0187
0.625 22.5 0.0303 0.0199
0.625 67.5 0.00813 0.019
0.625 112.5 0.00513 0.023
0.625 157.5 -0.00171 0.0187
0.625 202.5 -0.0271 0.0186
0.625 247.5 0.021 0.0232
0.625 292.5 -0.0102 0.0191
0.625 337.5 0.00349 0.02
0.875 22.5 -0.00817 0.0233
0.875 67.5 -0.00235 0.022
0.875 112.5 0.00736 0.0248
0.875 157.5 -0.00696 0.0213
0.875 202.5 -0.0265 0.0212
0.875 247.5 -0.000468 0.0242
0.875 292.5 -0.0704 0.0217
0.875 337.5 -0.000875 0.0232