CLAS Physics Database

Measurement E7M1

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: 1.1 GeV
x: 0.4883
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 -0.439 0.23
-0.875 67.5 0.13 0.102
-0.875 112.5 0.0583 0.091
-0.875 157.5 0.0852 0.0906
-0.875 202.5 0.0104 0.0891
-0.875 247.5 -0.104 0.0941
-0.875 292.5 -0.158 0.102
-0.875 337.5 -0.561 0.222
-0.625 22.5 0.0757 0.149
-0.625 67.5 0.0509 0.0901
-0.625 112.5 0.113 0.0778
-0.625 157.5 -0.0512 0.0732
-0.625 202.5 0.0245 0.072
-0.625 247.5 -0.19 0.0777
-0.625 292.5 -0.0594 0.0925
-0.625 337.5 -0.264 0.152
-0.375 22.5 0.122 0.122
-0.375 67.5 0.107 0.0787
-0.375 112.5 -0.02 0.0652
-0.375 157.5 -0.04 0.0584
-0.375 202.5 -0.0504 0.059
-0.375 247.5 -0.0433 0.0642
-0.375 292.5 -0.0557 0.0752
-0.375 337.5 0.0115 0.126
-0.125 22.5 -0.294 0.111
-0.125 67.5 0.0294 0.0723
-0.125 112.5 -0.0775 0.0596
-0.125 157.5 -0.0174 0.0562
-0.125 202.5 -0.117 0.0552
-0.125 247.5 0.0164 0.0593
-0.125 292.5 -0.0069 0.0677
-0.125 337.5 0.000578 0.109
0.125 22.5 0.0351 0.102
0.125 67.5 0.0135 0.0684
0.125 112.5 -0.0203 0.0571
0.125 157.5 -0.0465 0.0519
0.125 202.5 0.0121 0.0542
0.125 247.5 -0.0364 0.0574
0.125 292.5 0.0232 0.0657
0.125 337.5 -0.00554 0.0942
0.375 22.5 -0.083 0.0964
0.375 67.5 -0.00464 0.0614
0.375 112.5 -0.0239 0.0543
0.375 157.5 -0.0286 0.0509
0.375 202.5 -0.0252 0.053
0.375 247.5 0.0486 0.0545
0.375 292.5 -0.000572 0.0617
0.375 337.5 -0.0338 0.0988
0.625 22.5 0.022 0.103
0.625 67.5 0.000572 0.0635
0.625 112.5 -0.0484 0.0568
0.625 157.5 -0.0387 0.0543
0.625 202.5 -0.0494 0.0546
0.625 247.5 -0.0326 0.0557
0.625 292.5 0.0512 0.0597
0.625 337.5 0.0435 0.102
0.875 22.5 -0.158 0.129
0.875 67.5 0.0112 0.0716
0.875 112.5 -0.0446 0.0657
0.875 157.5 0.0738 0.0628
0.875 202.5 -0.0546 0.0612
0.875 247.5 -0.00584 0.0651
0.875 292.5 0.0552 0.0671
0.875 337.5 0.0528 0.138