CLAS Physics Database

Measurement E9M215

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: 0.7 — 0.8 GeV2
W: 1.52 GeV
ε: 0.738
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 0.424 0.16 0.0656
-0.9 45.0 0.965 0.368 0.0973
-0.9 75.0 0.809 0.271 0.3573
-0.9 105.0 0.887 0.435 0.225
-0.9 135.0 1.11 0.436 0.1451
-0.9 165.0 2.76 0.969 0.9237
-0.9 195.0 0.939 0.357 0.2784
-0.9 225.0 0.496 0.226 0.0754
-0.9 255.0 0.56 0.318 0.1365
-0.9 285.0 0.466 0.229 0.1466
-0.9 315.0 0.549 0.231 0.0421
-0.9 345.0 0.25 0.12 0.3117
-0.7 15.0 0.536 0.189 0.2338
-0.7 45.0 0.812 0.299 0.0913
-0.7 75.0 1.56 0.677 0.1573
-0.7 105.0 0.501 0.374 0.2914
-0.7 135.0 2.37 1.74 0.9484
-0.7 165.0 0.912 0.418 0.3988
-0.7 195.0 4.21 1.96 0.8767
-0.7 255.0 0.22 0.226 0.1871
-0.7 285.0 1.04 0.484 0.2702
-0.7 315.0 1.77 0.501 0.3595
-0.7 345.0 1.06 0.343 0.1689
-0.5 15.0 0.867 0.244 0.535
-0.5 45.0 1.1 0.38 0.0713
-0.5 75.0 3.49 1.29 0.4748
-0.5 105.0 1.52 0.481 0.5136
-0.5 135.0 1.85 0.797 0.3468
-0.5 195.0 1.76 2.16 1.8195
-0.5 225.0 2.17 0.953 0.7861
-0.5 255.0 4.16 1.18 1.0582
-0.5 285.0 1.47 0.924 0.6073
-0.5 315.0 2.09 0.631 0.2759
-0.5 345.0 0.824 0.22 0.1442
-0.3 15.0 0.84 0.232 0.087
-0.3 45.0 1.33 0.368 0.4544
-0.3 75.0 1.59 0.542 0.2083
-0.3 105.0 3.58 0.689 0.442
-0.3 135.0 3.86 0.724 0.5757
-0.3 165.0 7.88 7.21 4.5325
-0.3 195.0 2.37 1.99 0.5731
-0.3 225.0 2.92 0.61 0.537
-0.3 255.0 2.17 0.456 0.0789
-0.3 285.0 3.85 1.09 0.7374
-0.3 315.0 2.47 0.672 0.4589
-0.3 345.0 1.69 0.419 0.1505
-0.1 15.0 1.24 0.558 0.0828
-0.1 45.0 1.65 0.485 0.1886
-0.1 75.0 4.51 1.05 0.8256
-0.1 105.0 3.13 0.494 0.3241
-0.1 135.0 3.23 0.586 0.4492
-0.1 165.0 9.31 6.03 2.456
-0.1 195.0 5.15 3.27 1.7482
-0.1 225.0 3.04 0.588 0.2598
-0.1 255.0 3.46 0.571 0.3139
-0.1 285.0 2.57 0.634 0.2246
-0.1 315.0 2.03 0.775 0.5154
-0.1 345.0 2.32 0.865 0.414
0.1 15.0 1.89 0.841 0.4648
0.1 45.0 2.31 0.64 0.0296
0.1 75.0 2.67 0.573 0.1502
0.1 105.0 4.53 0.722 0.533
0.1 135.0 3.38 0.821 0.4147
0.1 225.0 2.66 0.604 0.2663
0.1 255.0 3.68 0.613 0.3686
0.1 285.0 2.06 0.416 0.378
0.1 315.0 2.62 0.904 0.3921
0.1 345.0 3.01 1.24 0.5419
0.3 15.0 2.49 0.917 0.556
0.3 45.0 1.95 0.518 0.3934
0.3 75.0 2.13 0.473 0.1783
0.3 105.0 3.46 0.589 0.1992
0.3 135.0 2.21 0.81 0.6218
0.3 225.0 2.39 0.665 0.1248
0.3 255.0 3.25 0.531 0.3733
0.3 285.0 2.58 0.491 0.2345
0.3 315.0 1.48 0.538 0.1451
0.3 345.0 1.21 0.478 0.1304
0.5 15.0 0.652 0.354 0.1268
0.5 45.0 1.84 0.58 0.0709
0.5 75.0 2.69 0.506 0.1412
0.5 105.0 2.62 0.534 0.3084
0.5 135.0 0.412 0.3 0.043
0.5 165.0 2.14 1.52 1.1279
0.5 225.0 1.28 0.497 0.0853
0.5 255.0 1.7 0.345 0.1617
0.5 285.0 2.43 0.495 0.249
0.5 315.0 1.01 0.386 0.1004
0.5 345.0 1.39 0.495 0.1415
0.7 15.0 1.91 0.84 0.4919
0.7 45.0 1.22 0.422 0.493
0.7 75.0 1.33 0.335 0.085
0.7 105.0 1.58 0.337 0.1596
0.7 135.0 1.62 0.826 0.4374
0.7 195.0 3.77 3.78 1.369
0.7 225.0 1.9 0.995 0.6152
0.7 255.0 1.26 0.314 0.0893
0.7 285.0 2.17 0.425 0.3805
0.7 315.0 1.2 0.473 0.0187
0.7 345.0 2.57 1.34 0.6926
0.9 15.0 0.266 0.131 0.3972
0.9 45.0 0.407 0.171 0.1627
0.9 75.0 0.965 0.371 0.2016
0.9 105.0 0.581 0.228 0.104
0.9 135.0 0.598 0.33 0.2095
0.9 225.0 0.805 0.449 0.2167
0.9 255.0 0.729 0.284 0.1532
0.9 285.0 0.645 0.319 0.0949
0.9 315.0 0.141 0.104 0.171
0.9 345.0 1.6 0.742 0.3552