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Measurement E9M26

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: 1.6 GeV
ε: 0.49
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 0.492 0.218 0.1327
-0.9 45.0 0.425 0.23 0.0673
-0.9 75.0 0.536 0.4 0.0935
-0.9 105.0 1.99 1.03 0.7589
-0.9 135.0 2.72 1.65 1.1437
-0.9 165.0 1.47 1.7 0.438
-0.9 195.0 6.52 9.23 4.2185
-0.9 255.0 1.75 1.44 0.5451
-0.9 285.0 1.1 0.886 0.3629
-0.9 315.0 0.799 0.362 0.0631
-0.9 345.0 0.483 0.172 0.16
-0.7 15.0 0.941 0.291 0.2764
-0.7 45.0 0.669 0.299 0.7612
-0.7 75.0 0.779 0.285 0.1341
-0.7 105.0 1.37 0.447 0.2131
-0.7 135.0 2.86 1.05 0.5314
-0.7 225.0 1.8 0.724 0.415
-0.7 255.0 0.745 0.249 0.3113
-0.7 285.0 1.87 0.692 0.5123
-0.7 315.0 0.926 0.387 0.1353
-0.7 345.0 1.22 0.356 0.135
-0.5 15.0 0.806 0.267 0.0828
-0.5 45.0 0.539 0.233 0.1055
-0.5 75.0 1.08 0.31 0.2703
-0.5 105.0 1.57 0.448 0.2223
-0.5 135.0 0.781 0.489 0.132
-0.5 165.0 2.42 2.97 2.1575
-0.5 225.0 1.66 0.939 0.2829
-0.5 255.0 1.24 0.329 0.271
-0.5 285.0 0.836 0.322 0.0637
-0.5 315.0 0.876 0.394 0.3657
-0.5 345.0 1.12 0.34 0.0927
-0.3 15.0 1.07 0.298 0.2046
-0.3 45.0 1.72 0.521 0.3009
-0.3 75.0 1.41 0.382 0.0982
-0.3 105.0 2.36 0.599 0.234
-0.3 135.0 1.07 0.523 0.2118
-0.3 165.0 4.41 2.24 0.6934
-0.3 195.0 1.48 0.812 0.466
-0.3 225.0 3.46 1.55 1.0317
-0.3 255.0 0.984 0.276 0.2036
-0.3 285.0 1.76 0.501 0.457
-0.3 315.0 1.2 0.399 0.3292
-0.3 345.0 0.863 0.234 0.1174
-0.1 15.0 1.06 0.347 0.2409
-0.1 45.0 1.82 0.638 0.1514
-0.1 75.0 1.83 0.391 0.3387
-0.1 105.0 2.08 0.591 0.3124
-0.1 135.0 1.66 0.421 0.2507
-0.1 165.0 1.92 0.843 0.1916
-0.1 195.0 1.72 0.743 0.6095
-0.1 225.0 1.89 0.604 0.2901
-0.1 255.0 1.76 0.454 0.2257
-0.1 285.0 1.62 0.376 0.1167
-0.1 315.0 1.62 0.498 0.2266
-0.1 345.0 2.32 0.686 0.6265
0.1 15.0 1.3 0.626 0.2308
0.1 45.0 1.84 0.608 0.4031
0.1 75.0 2.54 0.535 0.3949
0.1 105.0 1.68 0.439 0.1289
0.1 135.0 0.979 0.354 0.147
0.1 165.0 1.65 0.55 1.0686
0.1 195.0 2.79 1.26 0.8305
0.1 225.0 1.9 0.519 0.3003
0.1 255.0 1.66 0.443 0.0587
0.1 285.0 2.18 0.43 0.1183
0.1 315.0 1.16 0.375 0.2627
0.1 345.0 1.71 0.681 1.8747
0.3 15.0 1.97 0.998 0.5115
0.3 45.0 0.64 0.214 0.4049
0.3 75.0 1.29 0.337 0.1735
0.3 105.0 2.24 0.666 0.3374
0.3 135.0 2.57 0.602 0.2323
0.3 165.0 0.746 0.481 0.2156
0.3 195.0 1.67 0.568 0.1343
0.3 225.0 2.09 0.468 0.3337
0.3 255.0 1.69 0.497 0.1034
0.3 285.0 1.5 0.317 0.0577
0.3 315.0 1.24 0.404 0.1106
0.3 345.0 0.806 0.378 0.2726
0.5 15.0 1.73 0.624 0.5394
0.5 45.0 0.84 0.284 0.2456
0.5 75.0 1.09 0.25 0.1522
0.5 105.0 2.28 0.699 0.3096
0.5 135.0 1.05 0.326 0.0863
0.5 165.0 1.66 0.758 0.2962
0.5 195.0 1.43 0.486 0.6004
0.5 225.0 0.849 0.315 0.0992
0.5 255.0 1.34 0.388 0.1605
0.5 285.0 1.36 0.341 0.1826
0.5 315.0 0.577 0.222 0.1554
0.5 345.0 2.34 1.43 0.702
0.7 15.0 1.69 0.53 1.2881
0.7 45.0 1.28 0.495 0.0844
0.7 75.0 1.35 0.333 0.3249
0.7 105.0 0.54 0.219 0.0931
0.7 135.0 0.847 0.316 0.1431
0.7 165.0 0.955 0.491 0.1544
0.7 195.0 0.889 0.374 0.2779
0.7 225.0 0.894 0.291 0.1278
0.7 255.0 1.2 0.406 0.2707
0.7 285.0 1.72 0.441 0.2494
0.7 315.0 1.9 0.729 0.5754
0.7 345.0 0.572 0.243 1.0144
0.9 15.0 1.96 0.728 0.2459
0.9 45.0 1.27 0.482 0.4554
0.9 75.0 1.43 0.377 0.4737
0.9 105.0 1.26 0.499 0.2731
0.9 135.0 1.08 0.456 0.1169
0.9 165.0 0.451 0.281 0.176
0.9 195.0 0.159 0.162 0.0399
0.9 225.0 0.976 0.427 0.2496
0.9 255.0 1.13 0.475 0.4725
0.9 285.0 2.41 0.596 0.7982
0.9 315.0 0.721 0.3 0.2295
0.9 345.0 2.64 0.963 0.6936
Created in SINP MSU, CLAS Collaboration