CLAS Physics Database

Measurement E7M7

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: 1.34 GeV
x: 0.2809
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 0.0299 0.0425
-0.875 67.5 0.049 0.0439
-0.875 112.5 0.126 0.0488
-0.875 157.5 0.00313 0.0478
-0.875 202.5 -0.023 0.0491
-0.875 247.5 -0.0948 0.0497
-0.875 292.5 -0.107 0.0439
-0.875 337.5 -0.0268 0.043
-0.625 22.5 -0.0188 0.0304
-0.625 67.5 -0.00939 0.0338
-0.625 112.5 0.0794 0.0433
-0.625 157.5 -0.0049 0.0574
-0.625 202.5 -0.0201 0.0607
-0.625 247.5 -0.0484 0.0433
-0.625 292.5 -0.0423 0.0333
-0.625 337.5 -0.0545 0.0297
-0.375 22.5 0.04 0.0248
-0.375 67.5 -0.00212 0.0284
-0.375 112.5 0.000617 0.0278
-0.375 157.5 0.0728 0.0593
-0.375 202.5 -0.0152 0.0603
-0.375 247.5 -0.0378 0.0275
-0.375 292.5 -0.0267 0.0284
-0.375 337.5 0.0346 0.0248
-0.125 22.5 -0.0325 0.0265
-0.125 67.5 -0.0481 0.0246
-0.125 112.5 0.0187 0.0213
-0.125 157.5 -0.0164 0.0416
-0.125 202.5 0.0609 0.0404
-0.125 247.5 0.0336 0.0214
-0.125 292.5 0.0243 0.0248
-0.125 337.5 0.00301 0.0261
0.125 22.5 -0.0301 0.0257
0.125 67.5 -0.0102 0.0232
0.125 112.5 -0.0504 0.0199
0.125 157.5 -0.0635 0.0401
0.125 202.5 -0.0252 0.0406
0.125 247.5 0.0312 0.0197
0.125 292.5 0.0532 0.0229
0.125 337.5 -0.00031 0.0249
0.375 22.5 -0.059 0.0203
0.375 67.5 -0.00839 0.0239
0.375 112.5 -0.0484 0.0213
0.375 157.5 -0.0806 0.0465
0.375 202.5 0.00274 0.0486
0.375 247.5 0.0217 0.0214
0.375 292.5 0.0674 0.0238
0.375 337.5 0.0401 0.02
0.625 22.5 -0.039 0.0223
0.625 67.5 -0.11 0.0272
0.625 112.5 -0.0304 0.0246
0.625 157.5 -0.167 0.0549
0.625 202.5 0.0435 0.0545
0.625 247.5 0.0572 0.0245
0.625 292.5 0.0617 0.027
0.625 337.5 0.0158 0.0222
0.875 22.5 -0.0594 0.0352
0.875 67.5 -0.129 0.0394
0.875 112.5 -0.0214 0.0396
0.875 157.5 -0.0265 0.0613
0.875 202.5 -0.0467 0.0629
0.875 247.5 0.0886 0.0403
0.875 292.5 0.0968 0.039
0.875 337.5 0.0364 0.0349