CLAS Physics Database

Measurement E9M16

Experiment: E-89-037 Electroproduction of the P33(1232) Resonance
Year: 2002

Experiment comment:

Release 1 - Data replay: recsis prod-1-9. RC and acceptance: aao_rad+MAID98
Spokespersons: V. Burkert, R. Minehart
Reaction: ep → π0p
Polarization: none
Quantity: dσ/dΩ
Q2: 0.35 — 0.45 GeV2
W: 1.4 GeV
ε: 0.719
Publication:
K. Joo, L. C. Smith, V. D. Burkert, R. Minehart, I. G. Aznauryan, L. Elouadrhiri, S. Stepanyan, and CLAS Collaboration Q2 Dependence of Quadrupole Strength in the γ*p --> Δ+(1232) --> pπ0 Transition // Phys. Rev. Let. 88, 122001 (2002)

Slice: cos(θπ) = dimensionless

Measurement data
cos(θπ) φπ, [deg] dσ/dΩ, [μb/sr] uncertainty syst. uncert.
-0.9 15.0 0.26 0.112 0.0904
-0.9 45.0 0.284 0.21 0.0927
-0.9 75.0 0.815 0.449 0.2547
-0.9 105.0 1.13 0.509 0.2783
-0.9 135.0 0.514 0.249 0.2817
-0.9 165.0 0.908 0.398 0.1629
-0.9 195.0 2.58 1.14 0.6463
-0.9 225.0 0.712 0.352 0.366
-0.9 255.0 1.53 0.702 0.2723
-0.9 285.0 0.643 0.345 0.0776
-0.9 315.0 0.21 0.112 0.0608
-0.9 345.0 0.117 0.0865 0.0601
-0.7 15.0 0.34 0.159 0.0771
-0.7 45.0 1.28 0.385 0.1787
-0.7 75.0 0.423 0.307 0.2063
-0.7 105.0 1.75 0.743 0.2555
-0.7 135.0 1.0 0.756 0.4183
-0.7 165.0 2.58 1.13 0.7457
-0.7 195.0 1.56 0.676 0.4737
-0.7 225.0 7.73 6.33 5.037
-0.7 255.0 1.11 0.671 0.309
-0.7 285.0 2.65 0.927 0.4333
-0.7 315.0 1.81 0.511 0.1427
-0.7 345.0 0.674 0.232 0.0445
-0.5 15.0 1.61 0.375 0.1416
-0.5 45.0 2.09 0.541 0.1648
-0.5 75.0 2.47 0.742 0.8307
-0.5 105.0 2.12 0.554 0.6375
-0.5 135.0 2.2 0.611 0.4904
-0.5 165.0 4.05 2.87 8.1814
-0.5 195.0 0.736 0.782 3.0424
-0.5 225.0 3.53 0.923 0.3906
-0.5 255.0 1.82 0.561 0.2087
-0.5 285.0 3.96 1.02 0.3419
-0.5 315.0 2.0 0.572 0.2363
-0.5 345.0 1.21 0.317 0.1731
-0.3 15.0 1.34 0.286 0.0986
-0.3 45.0 2.63 0.61 0.1901
-0.3 75.0 4.28 1.01 0.4066
-0.3 105.0 4.04 0.783 0.2965
-0.3 135.0 2.9 0.602 0.1094
-0.3 165.0 2.78 1.86 0.6524
-0.3 195.0 2.66 2.18 0.6566
-0.3 225.0 2.74 0.604 0.3748
-0.3 255.0 5.84 0.997 0.5768
-0.3 285.0 5.14 1.18 0.7982
-0.3 315.0 3.27 0.816 0.4747
-0.3 345.0 1.71 0.34 0.1235
-0.1 15.0 3.02 0.578 0.5104
-0.1 45.0 3.17 0.732 0.4233
-0.1 75.0 4.83 0.898 0.3634
-0.1 105.0 4.08 0.633 0.4573
-0.1 135.0 3.06 0.618 0.284
-0.1 165.0 4.14 2.46 2.2086
-0.1 195.0 4.48 3.89 1.2252
-0.1 225.0 4.32 0.874 0.7169
-0.1 255.0 3.97 0.628 0.1962
-0.1 285.0 3.96 0.891 0.3915
-0.1 315.0 2.81 0.654 0.1253
-0.1 345.0 2.44 0.449 0.1517
0.1 15.0 2.25 0.479 0.1335
0.1 45.0 2.39 0.592 0.1646
0.1 75.0 3.9 0.766 0.1124
0.1 105.0 3.47 0.566 0.2003
0.1 135.0 7.43 1.68 1.5771
0.1 225.0 5.7 1.34 0.8382
0.1 255.0 3.21 0.557 0.2048
0.1 285.0 4.85 0.783 0.9513
0.1 315.0 2.09 0.547 0.1321
0.1 345.0 1.9 0.406 0.0381
0.3 15.0 2.08 0.394 0.323
0.3 45.0 1.45 0.349 0.0678
0.3 75.0 4.63 0.826 0.3129
0.3 105.0 3.08 0.544 0.1829
0.3 135.0 3.78 1.26 0.3826
0.3 165.0 2.81 1.95 1.9604
0.3 195.0 5.34 5.35 2.4358
0.3 225.0 3.07 1.04 0.4513
0.3 255.0 3.36 0.609 0.3446
0.3 285.0 4.12 0.735 0.1138
0.3 315.0 2.79 0.623 0.2744
0.3 345.0 2.91 0.524 0.1751
0.5 15.0 1.9 0.399 0.1541
0.5 45.0 2.29 0.494 0.2248
0.5 75.0 2.89 0.536 0.2002
0.5 105.0 2.71 0.562 0.3231
0.5 135.0 3.43 1.4 0.6409
0.5 165.0 2.54 1.76 0.8603
0.5 195.0 1.35 0.893 1.4131
0.5 225.0 6.48 2.76 2.1164
0.5 255.0 3.35 0.689 0.2787
0.5 285.0 1.8 0.399 0.297
0.5 315.0 1.85 0.455 0.1475
0.5 345.0 1.84 0.348 0.1795
0.7 15.0 2.23 0.457 0.5417
0.7 45.0 2.08 0.526 0.1571
0.7 75.0 2.68 0.612 0.18
0.7 105.0 0.86 0.25 0.1995
0.7 135.0 0.708 0.387 0.3973
0.7 165.0 1.65 0.97 5.5777
0.7 225.0 4.3 1.79 0.9675
0.7 255.0 1.76 0.482 0.0689
0.7 285.0 0.819 0.211 0.3358
0.7 315.0 1.51 0.458 0.1554
0.7 345.0 1.13 0.276 0.1432
0.9 15.0 1.96 0.55 0.2084
0.9 45.0 2.17 0.644 0.3501
0.9 75.0 2.17 0.845 0.4846
0.9 105.0 1.56 0.517 0.2788
0.9 135.0 0.421 0.315 0.1162
0.9 255.0 4.05 1.33 1.273
0.9 285.0 1.62 0.457 0.649
0.9 315.0 2.1 0.643 0.4317
0.9 345.0 1.03 0.303 0.7624