CLAS Physics Database

Measurement E9M220

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: 1.62 GeV
ε: 0.669
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 0.444 0.139 0.2528
-0.9 45.0 0.912 0.332 0.1389
-0.9 75.0 0.707 0.348 0.1591
-0.9 105.0 0.332 0.21 0.397
-0.9 135.0 3.53 4.33 1.3522
-0.9 165.0 0.261 0.274 0.2546
-0.9 195.0 0.37 0.187 0.696
-0.9 225.0 0.323 0.25 0.1661
-0.9 255.0 1.29 0.771 0.5559
-0.9 285.0 0.563 0.231 0.3988
-0.9 315.0 0.618 0.235 0.0489
-0.9 345.0 1.5 0.499 0.1673
-0.7 15.0 0.374 0.139 0.198
-0.7 45.0 0.958 0.412 0.0829
-0.7 75.0 3.5 1.82 1.279
-0.7 105.0 0.829 0.441 0.2179
-0.7 135.0 1.2 0.586 0.3216
-0.7 225.0 1.75 1.02 0.7432
-0.7 255.0 0.662 0.427 0.2994
-0.7 285.0 0.903 0.594 0.1353
-0.7 315.0 0.637 0.285 0.1029
-0.7 345.0 2.53 0.651 0.6852
-0.5 15.0 0.515 0.202 0.0397
-0.5 45.0 0.116 0.119 0.0137
-0.5 75.0 0.987 0.637 0.4333
-0.5 105.0 1.58 0.554 0.4331
-0.5 135.0 0.782 0.318 0.8242
-0.5 195.0 2.3 3.26 1.8031
-0.5 225.0 1.56 0.518 0.3502
-0.5 255.0 0.97 0.308 0.2152
-0.5 285.0 1.77 0.758 0.3113
-0.5 315.0 0.518 0.204 0.3907
-0.5 345.0 0.953 0.364 0.2103
-0.3 15.0 0.555 0.178 0.0755
-0.3 45.0 0.672 0.327 0.1046
-0.3 75.0 0.528 0.279 0.1472
-0.3 105.0 1.31 0.315 0.1635
-0.3 135.0 0.837 0.314 0.1646
-0.3 225.0 0.745 0.315 0.2019
-0.3 255.0 0.933 0.238 0.2562
-0.3 285.0 1.31 0.487 0.2473
-0.3 315.0 1.74 0.697 0.3037
-0.3 345.0 0.497 0.143 0.206
-0.1 15.0 0.508 0.254 0.0604
-0.1 45.0 0.805 0.311 0.1357
-0.1 75.0 1.38 0.399 0.1203
-0.1 105.0 1.44 0.339 0.2445
-0.1 135.0 1.44 0.687 0.2532
-0.1 225.0 3.77 1.66 1.2482
-0.1 255.0 1.11 0.291 0.1586
-0.1 285.0 1.72 0.489 0.2007
-0.1 315.0 0.658 0.29 0.3014
-0.1 345.0 0.0857 0.0873 0.0239
0.1 15.0 1.79 0.896 0.089
0.1 45.0 0.345 0.209 0.0705
0.1 75.0 1.25 0.329 0.1867
0.1 105.0 2.07 0.517 0.3394
0.1 135.0 1.67 0.951 0.617
0.1 165.0 6.7 5.84 2.398
0.1 195.0 0.538 0.347 1.5924
0.1 225.0 1.49 0.637 0.1687
0.1 255.0 1.28 0.334 0.2409
0.1 285.0 1.34 0.349 0.1454
0.1 315.0 0.867 0.338 0.9482
0.1 345.0 1.06 0.482 0.1007
0.3 15.0 1.78 1.46 0.7496
0.3 45.0 1.1 0.424 0.0638
0.3 75.0 1.13 0.327 0.1409
0.3 105.0 1.65 0.419 0.1879
0.3 135.0 1.12 0.628 0.2858
0.3 165.0 1.46 0.581 0.8375
0.3 195.0 0.783 0.422 0.277
0.3 225.0 1.48 0.63 0.285
0.3 255.0 0.955 0.252 0.1631
0.3 285.0 0.629 0.183 0.1192
0.3 315.0 0.767 0.306 0.1535
0.3 345.0 0.38 0.207 0.0413
0.5 15.0 0.0758 0.0788 0.0408
0.5 45.0 0.528 0.26 0.0337
0.5 75.0 1.37 0.348 0.1611
0.5 105.0 0.741 0.217 0.656
0.5 135.0 2.89 1.18 0.7553
0.5 165.0 0.177 0.132 0.0726
0.5 195.0 2.03 1.03 0.7724
0.5 225.0 1.29 0.608 0.2804
0.5 255.0 0.542 0.194 0.0234
0.5 285.0 1.27 0.32 0.1351
0.5 315.0 0.907 0.354 0.1858
0.5 345.0 0.909 0.419 0.3781
0.7 15.0 0.493 0.207 0.7311
0.7 45.0 0.809 0.362 0.0515
0.7 75.0 1.69 0.427 0.2392
0.7 105.0 0.833 0.27 0.0575
0.7 135.0 3.21 1.42 1.0709
0.7 165.0 0.453 0.254 0.1651
0.7 195.0 1.0 0.685 0.3281
0.7 225.0 0.805 0.474 0.2611
0.7 255.0 0.565 0.252 0.1781
0.7 285.0 1.34 0.398 0.2321
0.7 315.0 0.641 0.282 0.2263
0.7 345.0 0.837 0.361 0.1391
0.9 15.0 1.48 1.14 0.6598
0.9 45.0 3.35 1.83 1.4978
0.9 75.0 1.5 0.453 0.3227
0.9 105.0 0.639 0.24 0.2201
0.9 135.0 0.561 0.437 0.2434
0.9 165.0 1.3 1.03 0.393
0.9 225.0 0.234 0.241 0.1486
0.9 255.0 0.862 0.284 0.1202
0.9 285.0 1.55 0.427 0.3058
0.9 315.0 0.757 0.372 0.1677
0.9 345.0 0.763 0.403 0.452