CLAS Physics Database

Measurement E7M8

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: 1.38 GeV
x: 0.2604
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 0.00591 0.0638
-0.875 67.5 0.0525 0.063
-0.875 112.5 -0.0329 0.0726
-0.875 157.5 0.0487 0.0614
-0.875 202.5 -0.0142 0.0651
-0.875 247.5 -0.033 0.0672
-0.875 292.5 -0.0499 0.0632
-0.875 337.5 0.000799 0.0612
-0.625 22.5 -0.0896 0.0416
-0.625 67.5 -0.0504 0.0446
-0.625 112.5 -0.0341 0.0481
-0.625 157.5 0.0845 0.0881
-0.625 202.5 -0.0246 0.0867
-0.625 247.5 0.157 0.0497
-0.625 292.5 -0.0219 0.0436
-0.625 337.5 0.0367 0.0407
-0.375 22.5 0.0229 0.0322
-0.375 67.5 -0.0361 0.0343
-0.375 112.5 -0.0386 0.0291
-0.375 157.5 -0.0712 0.0616
-0.375 202.5 -0.00513 0.0577
-0.375 247.5 -0.00891 0.0299
-0.375 292.5 -0.00267 0.0339
-0.375 337.5 0.032 0.0325
-0.125 22.5 -0.059 0.0317
-0.125 67.5 -0.062 0.0293
-0.125 112.5 -0.00986 0.0238
-0.125 157.5 0.0275 0.0545
-0.125 202.5 0.0541 0.057
-0.125 247.5 0.0451 0.0241
-0.125 292.5 0.00499 0.0288
-0.125 337.5 0.0151 0.0319
0.125 22.5 -0.0716 0.0283
0.125 67.5 -0.0523 0.0275
0.125 112.5 -0.0446 0.0241
0.125 157.5 -0.171 0.0716
0.125 202.5 0.0868 0.0746
0.125 247.5 0.063 0.0242
0.125 292.5 0.0867 0.0274
0.125 337.5 -0.0121 0.0287
0.375 22.5 -0.0771 0.0228
0.375 67.5 -0.12 0.0284
0.375 112.5 -0.161 0.0274
0.375 157.5 -0.053 0.0757
0.375 202.5 0.0738 0.0764
0.375 247.5 0.158 0.0278
0.375 292.5 0.101 0.0281
0.375 337.5 0.113 0.0226
0.625 22.5 -0.0846 0.0219
0.625 67.5 -0.175 0.0333
0.625 112.5 -0.17 0.0341
0.625 157.5 0.0484 0.0771
0.625 202.5 0.115 0.0728
0.625 247.5 0.204 0.0336
0.625 292.5 0.0913 0.0322
0.625 337.5 0.0819 0.0217
0.875 22.5 -0.0854 0.0343
0.875 67.5 -0.226 0.0459
0.875 112.5 -0.209 0.0504
0.875 157.5 -0.104 0.0996
0.875 202.5 -0.0751 0.1
0.875 247.5 0.111 0.051
0.875 292.5 0.175 0.0452
0.875 337.5 0.0703 0.0349