CLAS Physics Database

Measurement E9M221

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: 1.64 GeV
ε: 0.653
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 1.15 0.381 0.1449
-0.9 45.0 0.383 0.149 0.2552
-0.9 75.0 0.712 0.317 0.2067
-0.9 135.0 1.38 1.27 0.4189
-0.9 165.0 0.538 0.622 0.1672
-0.9 195.0 0.344 0.223 0.373
-0.9 225.0 1.4 1.28 0.3659
-0.9 255.0 2.72 1.93 1.4412
-0.9 285.0 0.592 0.269 0.1467
-0.9 315.0 1.2 0.413 0.2223
-0.9 345.0 0.507 0.167 0.3682
-0.7 15.0 0.227 0.119 0.0884
-0.7 45.0 0.417 0.201 0.1594
-0.7 75.0 0.637 0.411 0.08
-0.7 105.0 0.696 0.39 0.246
-0.7 135.0 1.28 0.873 0.677
-0.7 225.0 3.02 1.93 0.9512
-0.7 255.0 1.54 0.812 0.2576
-0.7 285.0 0.595 0.388 0.1458
-0.7 315.0 0.408 0.182 0.0873
-0.7 345.0 0.601 0.182 0.0871
-0.5 15.0 1.44 0.445 0.1431
-0.5 45.0 0.662 0.259 0.352
-0.5 75.0 0.487 0.24 0.1082
-0.5 105.0 1.03 0.28 0.1304
-0.5 135.0 0.504 0.248 0.1271
-0.5 165.0 2.14 3.03 1.0726
-0.5 225.0 0.721 0.304 0.0943
-0.5 255.0 0.62 0.205 0.1704
-0.5 285.0 0.935 0.395 0.2679
-0.5 315.0 0.233 0.14 0.0526
-0.5 345.0 0.542 0.169 0.0909
-0.3 15.0 0.833 0.273 0.139
-0.3 45.0 2.67 1.23 0.7574
-0.3 75.0 0.604 0.252 0.1934
-0.3 105.0 0.896 0.247 0.1008
-0.3 135.0 2.37 0.865 0.2745
-0.3 225.0 2.92 1.15 1.0584
-0.3 255.0 0.615 0.176 0.091
-0.3 285.0 1.17 0.414 0.2297
-0.3 315.0 0.849 0.389 0.2218
-0.3 345.0 0.529 0.19 0.0513
-0.1 15.0 0.205 0.124 0.0568
-0.1 45.0 0.564 0.303 0.1372
-0.1 75.0 1.9 0.544 0.2217
-0.1 105.0 1.22 0.277 0.2879
-0.1 135.0 1.27 1.06 0.5295
-0.1 165.0 2.41 1.85 1.474
-0.1 225.0 1.14 0.535 0.1276
-0.1 255.0 1.04 0.254 0.1224
-0.1 285.0 1.16 0.347 0.0585
-0.1 315.0 0.613 0.272 0.2714
-0.1 345.0 1.67 0.91 0.3207
0.1 15.0 0.221 0.232 0.0689
0.1 45.0 0.562 0.245 0.0985
0.1 75.0 0.929 0.228 0.2429
0.1 105.0 0.71 0.181 0.1576
0.1 135.0 1.68 0.715 0.4359
0.1 165.0 1.49 0.796 0.63
0.1 195.0 0.44 0.276 0.2406
0.1 225.0 1.31 0.517 0.6706
0.1 255.0 2.38 0.56 0.5793
0.1 285.0 1.46 0.364 0.1432
0.1 315.0 1.72 0.65 0.2422
0.1 345.0 1.36 0.601 0.6605
0.3 15.0 0.655 0.52 0.2427
0.3 45.0 0.894 0.341 0.398
0.3 75.0 1.76 0.421 0.0654
0.3 105.0 1.7 0.386 0.2248
0.3 135.0 2.06 0.714 0.3896
0.3 165.0 2.15 0.976 0.3288
0.3 195.0 0.802 0.386 0.1296
0.3 225.0 2.1 0.763 0.4538
0.3 255.0 1.07 0.276 0.0731
0.3 285.0 1.02 0.268 0.0488
0.3 315.0 1.2 0.489 0.2001
0.3 345.0 0.431 0.279 0.1395
0.5 15.0 0.484 0.399 0.0792
0.5 45.0 0.206 0.15 0.0066
0.5 75.0 0.918 0.239 0.1117
0.5 105.0 1.25 0.334 0.0748
0.5 135.0 1.52 0.482 0.1663
0.5 165.0 1.21 0.621 0.2866
0.5 195.0 2.34 1.19 0.8685
0.5 225.0 1.23 0.427 0.2459
0.5 255.0 1.52 0.414 0.1947
0.5 285.0 0.914 0.242 0.0435
0.5 315.0 0.915 0.394 0.1003
0.5 345.0 0.118 0.123 0.002
0.7 15.0 1.1 0.438 0.0972
0.7 45.0 1.23 0.563 0.182
0.7 75.0 1.31 0.334 0.1865
0.7 105.0 1.78 0.473 0.1634
0.7 135.0 1.08 0.372 0.1266
0.7 165.0 0.423 0.208 0.1482
0.7 195.0 1.14 0.561 0.3419
0.7 225.0 0.763 0.318 0.1277
0.7 255.0 1.29 0.387 0.113
0.7 285.0 0.865 0.24 0.1501
0.7 315.0 0.856 0.315 0.6598
0.7 345.0 0.251 0.125 0.4297
0.9 15.0 2.49 1.29 0.3565
0.9 45.0 1.8 0.707 0.3787
0.9 75.0 1.41 0.359 0.2322
0.9 105.0 1.09 0.345 0.2137
0.9 135.0 1.58 0.757 0.4345
0.9 165.0 1.4 0.733 0.6455
0.9 225.0 1.01 0.532 0.3298
0.9 255.0 0.916 0.336 0.1182
0.9 285.0 1.34 0.334 0.2853
0.9 315.0 0.604 0.332 0.1075
0.9 345.0 1.26 0.629 0.2649