CLAS Physics Database

Measurement E7M2

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: 1.14 GeV
x: 0.4386
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 -0.0104 0.0683
-0.875 67.5 0.0428 0.0407
-0.875 112.5 0.017 0.0433
-0.875 157.5 0.0619 0.0446
-0.875 202.5 -0.0204 0.0441
-0.875 247.5 -0.0079 0.043
-0.875 292.5 -0.0317 0.0412
-0.875 337.5 -0.0781 0.0677
-0.625 22.5 -0.00626 0.0459
-0.625 67.5 0.0423 0.0336
-0.625 112.5 0.0323 0.0346
-0.625 157.5 -0.0052 0.0341
-0.625 202.5 0.0354 0.0336
-0.625 247.5 -0.0186 0.0349
-0.625 292.5 -0.0357 0.0335
-0.625 337.5 -0.0562 0.0442
-0.375 22.5 0.0442 0.0413
-0.375 67.5 0.0457 0.0303
-0.375 112.5 -0.00309 0.0323
-0.375 157.5 0.0393 0.0299
-0.375 202.5 -0.00671 0.0301
-0.375 247.5 -0.0387 0.0314
-0.375 292.5 -0.0365 0.0304
-0.375 337.5 -0.0246 0.0407
-0.125 22.5 0.00325 0.0401
-0.125 67.5 0.0254 0.0303
-0.125 112.5 0.0226 0.0312
-0.125 157.5 0.0162 0.028
-0.125 202.5 -0.00274 0.0278
-0.125 247.5 -0.00126 0.0316
-0.125 292.5 -0.0323 0.0303
-0.125 337.5 0.00105 0.0391
0.125 22.5 0.04 0.0377
0.125 67.5 0.0332 0.0299
0.125 112.5 0.00984 0.0307
0.125 157.5 0.0255 0.0268
0.125 202.5 0.0307 0.0268
0.125 247.5 -0.0499 0.031
0.125 292.5 -0.0509 0.03
0.125 337.5 -0.0186 0.0393
0.375 22.5 0.0297 0.0388
0.375 67.5 0.00301 0.0303
0.375 112.5 -0.0719 0.0312
0.375 157.5 0.0565 0.027
0.375 202.5 -0.0049 0.0267
0.375 247.5 0.0155 0.0306
0.375 292.5 -0.0678 0.0299
0.375 337.5 -0.052 0.0387
0.625 22.5 -0.0186 0.0401
0.625 67.5 0.0541 0.0307
0.625 112.5 0.0186 0.031
0.625 157.5 0.0188 0.0274
0.625 202.5 0.0455 0.0272
0.625 247.5 0.0115 0.0304
0.625 292.5 0.0372 0.0303
0.625 337.5 -0.0532 0.0396
0.875 22.5 -0.0152 0.0491
0.875 67.5 -0.0126 0.0343
0.875 112.5 0.0262 0.0342
0.875 157.5 0.0496 0.0335
0.875 202.5 -0.0174 0.0325
0.875 247.5 -0.0322 0.033
0.875 292.5 0.0229 0.0338
0.875 337.5 -0.0245 0.0488