CLAS Physics Database

Measurement E9M218

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: 1.58 GeV
ε: 0.698
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 0.208 0.0993 0.0608
-0.9 45.0 0.465 0.198 0.123
-0.9 75.0 1.0 0.566 0.2885
-0.9 105.0 0.839 0.333 0.1965
-0.9 135.0 1.47 0.793 0.6457
-0.9 165.0 0.871 0.486 0.5235
-0.9 195.0 0.565 0.357 0.1533
-0.9 225.0 1.08 0.527 0.4608
-0.9 255.0 1.37 0.725 0.4147
-0.9 285.0 0.32 0.171 0.1022
-0.9 315.0 0.178 0.096 0.0393
-0.9 345.0 0.407 0.172 0.066
-0.7 15.0 0.565 0.18 0.266
-0.7 45.0 1.08 0.422 0.1775
-0.7 75.0 0.3 0.314 0.0457
-0.7 105.0 2.19 1.2 0.5448
-0.7 165.0 1.17 1.36 0.6319
-0.7 195.0 1.11 1.28 1.3635
-0.7 225.0 2.08 1.91 1.4153
-0.7 255.0 1.26 0.734 0.5352
-0.7 285.0 0.482 0.232 0.1155
-0.7 315.0 0.673 0.293 0.1511
-0.7 345.0 0.977 0.267 0.1093
-0.5 15.0 0.302 0.104 0.2485
-0.5 45.0 0.648 0.235 0.3483
-0.5 75.0 0.719 0.333 0.3443
-0.5 105.0 5.27 2.2 2.2885
-0.5 135.0 1.25 0.441 0.291
-0.5 195.0 1.74 2.14 1.4529
-0.5 225.0 0.245 0.129 0.0795
-0.5 255.0 0.802 0.254 0.2514
-0.5 285.0 0.486 0.219 0.3951
-0.5 315.0 0.445 0.216 0.1056
-0.5 345.0 0.541 0.18 0.0538
-0.3 15.0 0.873 0.252 0.1593
-0.3 45.0 0.95 0.332 0.9604
-0.3 75.0 1.61 0.546 0.311
-0.3 105.0 0.926 0.232 0.0626
-0.3 135.0 0.666 0.232 0.1394
-0.3 225.0 1.28 0.356 0.2485
-0.3 255.0 1.25 0.298 0.2248
-0.3 285.0 0.88 0.33 0.1553
-0.3 315.0 0.832 0.313 0.1161
-0.3 345.0 1.1 0.286 0.1175
-0.1 15.0 1.22 0.452 0.1629
-0.1 45.0 0.85 0.349 0.1709
-0.1 75.0 0.863 0.28 0.0678
-0.1 105.0 2.78 0.584 0.8233
-0.1 135.0 1.34 0.539 0.4091
-0.1 225.0 1.4 0.493 0.3757
-0.1 255.0 1.5 0.362 0.2462
-0.1 285.0 2.28 0.57 0.5761
-0.1 315.0 1.0 0.371 0.203
-0.1 345.0 0.446 0.186 0.0422
0.1 15.0 1.12 0.475 0.1991
0.1 45.0 2.3 0.852 0.5369
0.1 75.0 1.22 0.302 0.4163
0.1 105.0 1.45 0.311 0.2867
0.1 135.0 1.57 0.65 0.3081
0.1 165.0 1.91 1.91 0.4512
0.1 195.0 4.22 3.24 1.3423
0.1 225.0 1.01 0.418 0.3638
0.1 255.0 2.14 0.442 0.3512
0.1 285.0 2.15 0.546 0.3152
0.1 315.0 0.751 0.334 0.1295
0.1 345.0 0.462 0.213 0.0902
0.3 15.0 0.915 0.547 0.1642
0.3 45.0 0.462 0.224 0.0321
0.3 75.0 1.45 0.349 0.4136
0.3 105.0 1.39 0.35 0.1012
0.3 135.0 0.767 0.387 0.1465
0.3 165.0 2.48 1.31 0.4593
0.3 195.0 1.71 0.994 0.2471
0.3 225.0 1.79 0.84 0.3966
0.3 255.0 1.85 0.404 0.0784
0.3 285.0 1.63 0.41 0.0738
0.3 315.0 0.876 0.297 0.2974
0.3 345.0 0.925 0.464 0.2075
0.5 15.0 0.566 0.258 0.1457
0.5 45.0 0.828 0.32 0.0446
0.5 75.0 1.44 0.375 0.1203
0.5 105.0 1.4 0.337 0.1611
0.5 135.0 2.11 1.01 0.4438
0.5 165.0 0.978 0.452 0.5235
0.5 195.0 1.21 0.484 0.1733
0.5 225.0 2.84 1.44 0.8286
0.5 255.0 0.604 0.164 0.2645
0.5 285.0 1.59 0.427 0.2961
0.5 315.0 0.417 0.227 0.0905
0.5 345.0 1.49 0.876 0.4366
0.7 15.0 0.828 0.336 0.6129
0.7 45.0 1.02 0.464 0.2952
0.7 75.0 0.64 0.195 0.0882
0.7 105.0 0.725 0.246 0.0447
0.7 135.0 0.531 0.24 0.2676
0.7 165.0 2.13 2.14 1.1301
0.7 195.0 0.973 0.454 0.2483
0.7 225.0 2.36 1.44 0.9958
0.7 255.0 1.41 0.384 0.1682
0.7 285.0 1.23 0.374 0.3714
0.7 315.0 0.239 0.151 0.1113
0.7 345.0 0.225 0.144 0.0527
0.9 15.0 0.175 0.114 0.2894
0.9 45.0 0.813 0.446 0.1126
0.9 75.0 0.681 0.311 0.1103
0.9 105.0 0.657 0.231 0.1359
0.9 135.0 0.102 0.106 0.0911
0.9 195.0 1.34 1.9 0.9735
0.9 225.0 0.76 0.599 0.5494
0.9 255.0 0.551 0.192 0.0753
0.9 285.0 1.03 0.408 0.3578
0.9 315.0 2.83 1.49 1.1211
0.9 345.0 1.55 1.02 0.6075