CLAS Physics Database

Measurement E9M62

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: 1.6 — 2.0 GeV2
W: 1.14 GeV
ε: 0.622
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 1.11 1.2 0.7601
-0.9 45.0 0.182 0.224 0.0431
-0.9 105.0 0.641 0.563 0.3325
-0.9 135.0 0.0576 0.0687 0.0578
-0.9 165.0 0.8 0.638 0.9059
-0.9 195.0 0.336 0.281 0.2206
-0.9 225.0 0.104 0.11 0.1873
-0.9 255.0 7.25 10.1 4.0522
-0.9 285.0 0.218 0.198 0.2182
-0.9 315.0 0.974 0.924 0.2246
-0.7 15.0 0.607 0.458 0.2805
-0.7 75.0 0.605 0.69 0.2425
-0.7 105.0 0.579 0.398 0.1283
-0.7 165.0 0.118 0.0912 0.0474
-0.7 195.0 0.125 0.0846 0.3017
-0.7 225.0 0.214 0.227 0.1234
-0.7 255.0 1.59 1.17 0.7689
-0.7 285.0 0.184 0.168 0.0948
-0.7 315.0 2.54 2.04 0.9241
-0.7 345.0 0.0985 0.0632 0.2965
-0.5 15.0 3.64 2.95 1.7516
-0.5 45.0 4.12 3.93 2.3253
-0.5 75.0 0.199 0.16 0.4188
-0.5 105.0 0.604 0.415 0.1176
-0.5 135.0 0.37 0.217 0.104
-0.5 165.0 3.19 1.72 1.5181
-0.5 195.0 0.338 0.263 0.0921
-0.5 225.0 0.612 0.355 0.1317
-0.5 255.0 0.213 0.14 0.3209
-0.5 285.0 0.632 0.781 0.4074
-0.5 315.0 0.0632 0.0677 0.1666
-0.5 345.0 0.311 0.188 0.0914
-0.3 15.0 0.483 0.25 0.1731
-0.3 45.0 0.168 0.158 0.312
-0.3 75.0 0.53 0.424 0.3731
-0.3 105.0 0.186 0.144 0.3481
-0.3 135.0 1.33 0.732 0.522
-0.3 165.0 1.19 0.517 0.1102
-0.3 195.0 1.17 0.583 0.3389
-0.3 225.0 1.02 0.514 0.8035
-0.3 255.0 0.157 0.12 0.2551
-0.3 285.0 0.399 0.429 0.1573
-0.3 315.0 0.512 0.517 0.2024
-0.3 345.0 0.347 0.177 0.8371
-0.1 45.0 0.404 0.248 0.1016
-0.1 75.0 1.57 1.12 0.3075
-0.1 105.0 1.37 0.987 0.5771
-0.1 135.0 0.419 0.234 0.1691
-0.1 165.0 0.724 0.386 0.1053
-0.1 195.0 0.792 0.459 0.201
-0.1 225.0 0.724 0.352 0.1186
-0.1 255.0 9.5 7.16 4.8807
-0.1 285.0 0.85 0.52 0.1246
-0.1 315.0 0.343 0.211 0.0621
-0.1 345.0 0.335 0.187 0.2272
0.1 15.0 0.0317 0.0327 0.0347
0.1 45.0 0.811 0.519 0.0286
0.1 75.0 0.998 0.615 0.4797
0.1 105.0 0.466 0.303 0.248
0.1 135.0 0.447 0.345 0.1282
0.1 165.0 0.945 0.475 0.1199
0.1 195.0 0.71 0.364 0.2873
0.1 225.0 1.57 0.771 0.2629
0.1 255.0 0.551 0.31 0.3294
0.1 285.0 0.498 0.342 0.1293
0.1 315.0 0.149 0.164 0.0262
0.1 345.0 1.37 0.818 0.4716
0.3 15.0 1.1 0.583 1.0983
0.3 45.0 2.45 1.25 0.7485
0.3 75.0 0.785 0.506 0.1185
0.3 105.0 0.681 0.769 1.0601
0.3 135.0 1.2 0.679 0.3285
0.3 165.0 1.33 0.562 0.2357
0.3 195.0 0.696 0.362 0.0871
0.3 225.0 0.822 0.543 0.4126
0.3 255.0 0.376 0.289 0.1088
0.3 285.0 1.02 0.716 0.2809
0.3 315.0 0.256 0.135 0.3578
0.3 345.0 0.227 0.133 0.276
0.5 15.0 1.21 0.8 0.4515
0.5 45.0 0.223 0.142 0.1724
0.5 75.0 0.118 0.124 0.1251
0.5 105.0 0.45 0.264 0.1436
0.5 135.0 0.639 0.412 0.2631
0.5 165.0 0.382 0.209 0.6124
0.5 195.0 1.06 0.495 0.1541
0.5 225.0 1.13 0.571 0.2062
0.5 255.0 1.92 0.882 0.4403
0.5 285.0 0.147 0.0926 0.1539
0.5 315.0 1.5 0.891 0.5105
0.5 345.0 1.21 1.02 0.3445
0.7 15.0 0.217 0.176 0.2467
0.7 45.0 0.194 0.12 0.2737
0.7 75.0 0.65 0.339 0.3999
0.7 105.0 0.516 0.331 1.1438
0.7 135.0 1.82 0.762 0.9871
0.7 165.0 1.33 0.812 0.1408
0.7 195.0 1.35 0.541 0.3197
0.7 225.0 0.999 0.444 0.269
0.7 255.0 0.404 0.264 0.4353
0.7 285.0 0.177 0.14 0.0445
0.7 315.0 1.49 0.737 0.5051
0.7 345.0 0.234 0.113 0.7242
0.9 15.0 0.356 0.281 0.1503
0.9 45.0 0.927 0.766 0.3161
0.9 75.0 2.96 2.19 1.3892
0.9 105.0 1.13 0.666 0.3947
0.9 135.0 2.84 3.51 1.9773
0.9 165.0 2.63 1.52 0.8681
0.9 195.0 1.88 0.881 0.618
0.9 225.0 0.525 0.41 0.4762
0.9 255.0 0.948 0.586 0.187
0.9 285.0 0.249 0.141 0.6066
0.9 315.0 0.329 0.227 0.1503
0.9 345.0 0.526 0.583 0.263