CLAS Physics Database

Measurement E7M10

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: 1.46 GeV
x: 0.226
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 0.0115 0.101
-0.875 67.5 -0.0703 0.1
-0.875 112.5 -0.0125 0.0938
-0.875 157.5 0.0281 0.093
-0.875 202.5 0.116 0.0958
-0.875 247.5 -0.098 0.0952
-0.875 292.5 0.13 0.0859
-0.875 337.5 0.0477 0.0993
-0.625 22.5 0.0167 0.0561
-0.625 67.5 0.00359 0.0522
-0.625 112.5 -0.0294 0.0426
-0.625 157.5 -0.214 0.0959
-0.625 202.5 0.0583 0.0941
-0.625 247.5 0.0968 0.0426
-0.625 292.5 0.0235 0.0528
-0.625 337.5 0.0868 0.0559
-0.375 22.5 0.0354 0.043
-0.375 67.5 -0.0251 0.0367
-0.375 112.5 -0.0817 0.0293
-0.375 157.5 -0.0243 0.0822
-0.375 202.5 0.0877 0.0949
-0.375 247.5 0.11 0.0296
-0.375 292.5 0.0562 0.0371
-0.375 337.5 0.0157 0.0429
-0.125 22.5 -0.125 0.0441
-0.125 67.5 -0.0516 0.031
-0.125 112.5 -0.0996 0.028
-0.125 157.5 -0.0451 0.0864
-0.125 202.5 -0.00499 0.0806
-0.125 247.5 0.0426 0.0286
-0.125 292.5 0.107 0.0313
-0.125 337.5 0.0688 0.0436
0.125 22.5 -0.139 0.0374
0.125 67.5 -0.082 0.0287
0.125 112.5 -0.155 0.0309
0.125 157.5 -0.072 0.0514
0.125 202.5 -0.0528 0.0503
0.125 247.5 0.136 0.0309
0.125 292.5 0.0612 0.0293
0.125 337.5 0.00252 0.0381
0.375 22.5 -0.0861 0.0281
0.375 67.5 -0.178 0.0307
0.375 112.5 -0.128 0.0365
0.375 157.5 -0.0678 0.0478
0.375 202.5 0.0745 0.0454
0.375 247.5 0.129 0.0355
0.375 292.5 0.148 0.031
0.375 337.5 0.042 0.0277
0.625 22.5 -0.116 0.0309
0.625 67.5 -0.157 0.0357
0.625 112.5 -0.219 0.0454
0.625 157.5 -0.168 0.0542
0.625 202.5 0.177 0.0552
0.625 247.5 0.154 0.0449
0.625 292.5 0.145 0.0357
0.625 337.5 0.097 0.0307
0.875 22.5 -0.0381 0.0346
0.875 67.5 -0.018 0.0454
0.875 112.5 -0.143 0.0683
0.875 157.5 -0.00242 0.0832
0.875 202.5 0.342 0.087
0.875 247.5 0.151 0.0651
0.875 292.5 0.126 0.0465
0.875 337.5 0.102 0.0351