CLAS Physics Database

Measurement E9M73

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: 1.36 GeV
ε: 0.491
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 0.209 0.262 0.1244
-0.9 45.0 0.122 0.133 0.0868
-0.9 75.0 0.22 0.273 0.0997
-0.9 105.0 0.0585 0.065 0.1821
-0.9 135.0 0.534 0.418 0.8393
-0.9 165.0 0.111 0.126 0.0504
-0.9 195.0 2.79 2.63 1.2141
-0.9 255.0 2.67 3.33 1.2298
-0.9 285.0 0.16 0.144 0.1371
-0.9 315.0 1.19 1.4 0.7196
-0.9 345.0 0.412 0.592 0.153
-0.7 15.0 0.245 0.196 0.3624
-0.7 75.0 0.732 0.43 0.1983
-0.7 105.0 0.762 0.671 0.4785
-0.7 135.0 0.0842 0.0934 0.1133
-0.7 165.0 0.163 0.131 0.3491
-0.7 195.0 0.884 0.777 0.8045
-0.7 225.0 0.98 0.693 0.359
-0.7 255.0 0.399 0.326 0.2154
-0.7 285.0 0.0911 0.0955 0.0732
-0.7 315.0 0.469 0.261 0.1161
-0.7 345.0 0.0976 0.0759 0.0717
-0.5 15.0 0.253 0.168 0.1247
-0.5 45.0 0.581 0.465 0.2011
-0.5 75.0 1.86 0.977 0.3612
-0.5 105.0 1.11 0.611 1.2022
-0.5 135.0 1.61 1.33 0.6576
-0.5 165.0 0.279 0.323 0.0245
-0.5 195.0 0.129 0.139 0.1273
-0.5 225.0 0.323 0.258 1.0315
-0.5 255.0 2.91 2.24 1.457
-0.5 285.0 0.633 0.391 0.3142
-0.5 315.0 0.417 0.274 0.2269
-0.5 345.0 1.07 0.676 0.3345
-0.3 15.0 1.02 0.609 0.2983
-0.3 45.0 0.841 0.387 0.1136
-0.3 75.0 0.444 0.342 0.2569
-0.3 105.0 3.64 2.25 1.2418
-0.3 135.0 0.747 0.631 0.5336
-0.3 165.0 0.539 0.456 0.5223
-0.3 225.0 0.459 0.5 0.1335
-0.3 255.0 1.2 0.788 0.2506
-0.3 285.0 1.23 0.613 0.3904
-0.3 315.0 0.797 0.366 0.3577
-0.3 345.0 0.248 0.189 0.1113
-0.1 15.0 0.518 0.245 0.2334
-0.1 45.0 1.02 0.425 0.1309
-0.1 75.0 0.778 0.445 0.224
-0.1 105.0 1.44 1.03 0.7146
-0.1 135.0 0.741 0.86 0.4647
-0.1 165.0 0.492 0.407 0.7159
-0.1 195.0 0.553 0.485 0.1674
-0.1 225.0 2.97 2.73 0.3982
-0.1 255.0 0.68 0.464 0.4555
-0.1 285.0 0.382 0.222 0.4641
-0.1 315.0 0.431 0.269 0.0615
-0.1 345.0 0.669 0.355 0.1798
0.1 15.0 0.338 0.211 0.0644
0.1 45.0 0.469 0.239 0.1405
0.1 75.0 0.93 0.558 0.1562
0.1 105.0 0.495 0.317 0.4096
0.1 165.0 1.15 1.63 0.1193
0.1 195.0 0.511 0.564 0.3891
0.1 225.0 0.173 0.184 0.0152
0.1 255.0 0.933 0.569 0.281
0.1 285.0 0.949 0.638 0.1357
0.1 315.0 0.655 0.304 0.046
0.1 345.0 0.451 0.221 0.1312
0.3 15.0 0.21 0.162 0.059
0.3 45.0 0.0569 0.0583 0.0186
0.3 75.0 0.343 0.257 0.0232
0.3 105.0 0.684 0.458 2.6554
0.3 135.0 0.561 0.341 1.5179
0.3 195.0 2.39 2.21 1.3154
0.3 225.0 0.788 0.47 3.3394
0.3 255.0 0.477 0.321 0.108
0.3 285.0 0.994 0.492 0.2263
0.3 315.0 0.811 0.457 0.8095
0.3 345.0 1.0 0.432 0.2529
0.5 15.0 0.427 0.362 0.1504
0.5 45.0 0.445 0.214 0.0874
0.5 75.0 0.737 0.392 0.1354
0.5 105.0 0.811 0.442 0.9205
0.5 135.0 0.264 0.281 0.1989
0.5 195.0 0.833 1.18 0.7781
0.5 225.0 0.23 0.255 0.1903
0.5 255.0 0.325 0.36 0.2117
0.5 285.0 1.87 1.36 0.5733
0.5 315.0 0.208 0.162 0.0235
0.5 345.0 0.0736 0.0775 0.0644
0.7 15.0 0.458 0.27 0.3858
0.7 45.0 0.609 0.534 0.2485
0.7 75.0 1.2 0.802 0.1715
0.7 105.0 0.238 0.15 0.4593
0.7 135.0 1.51 1.53 0.9019
0.7 165.0 1.03 1.48 0.6865
0.7 225.0 1.59 1.98 0.5408
0.7 255.0 0.449 0.522 0.2022
0.7 285.0 0.872 0.527 0.2589
0.7 345.0 0.209 0.143 0.2265
0.9 15.0 1.98 1.88 1.311
0.9 45.0 1.9 2.78 1.1001
0.9 75.0 0.13 0.0926 0.0667
0.9 105.0 0.662 0.696 0.2501
0.9 135.0 1.26 1.58 0.7453
0.9 225.0 0.265 0.333 0.1335
0.9 285.0 1.57 1.96 0.785
0.9 345.0 0.405 0.347 0.0434