CLAS Physics Database

Measurement E9M214

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: 1.5 GeV
ε: 0.749
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 0.316 0.174 0.0703
-0.9 45.0 0.426 0.205 0.0543
-0.9 75.0 0.396 0.177 0.1159
-0.9 105.0 0.561 0.284 0.3113
-0.9 135.0 1.06 0.451 0.2101
-0.9 165.0 2.06 0.631 0.611
-0.9 195.0 1.86 0.522 0.48
-0.9 225.0 0.494 0.272 0.2671
-0.9 255.0 0.263 0.196 0.1502
-0.9 285.0 0.497 0.25 0.1457
-0.9 315.0 0.673 0.345 0.2262
-0.9 345.0 0.289 0.155 0.1134
-0.7 15.0 0.917 0.293 0.1789
-0.7 45.0 0.957 0.287 0.1362
-0.7 75.0 1.11 0.432 0.0722
-0.7 105.0 2.75 1.52 0.2124
-0.7 165.0 2.34 0.828 0.4589
-0.7 195.0 1.77 0.587 0.4996
-0.7 225.0 1.09 1.21 1.6794
-0.7 255.0 1.35 1.04 0.2605
-0.7 285.0 2.88 1.25 0.936
-0.7 315.0 0.922 0.3 0.2508
-0.7 345.0 0.685 0.24 0.0581
-0.5 15.0 0.902 0.283 0.1347
-0.5 45.0 2.13 0.52 0.1266
-0.5 75.0 0.77 0.398 0.4926
-0.5 105.0 2.63 0.869 0.3368
-0.5 135.0 3.74 1.32 0.8094
-0.5 165.0 2.26 1.89 0.8887
-0.5 195.0 0.988 1.07 0.9779
-0.5 225.0 2.8 1.09 0.431
-0.5 255.0 0.649 0.303 0.0795
-0.5 285.0 3.07 0.946 0.2781
-0.5 315.0 2.12 0.616 0.0745
-0.5 345.0 1.17 0.289 0.1867
-0.3 15.0 1.93 0.398 0.1185
-0.3 45.0 1.74 0.467 0.3375
-0.3 75.0 2.78 0.798 0.2358
-0.3 105.0 3.15 0.614 0.3393
-0.3 135.0 2.97 0.605 0.3712
-0.3 165.0 23.2 18.7 15.9118
-0.3 195.0 13.3 16.4 8.1069
-0.3 225.0 4.15 0.836 0.8928
-0.3 255.0 3.43 0.625 0.4345
-0.3 285.0 6.37 1.57 1.3207
-0.3 315.0 1.68 0.487 0.3361
-0.3 345.0 1.82 0.389 0.3647
-0.1 15.0 1.1 0.349 0.4268
-0.1 45.0 2.63 0.643 0.2832
-0.1 75.0 3.6 0.78 0.4525
-0.1 105.0 3.72 0.58 0.192
-0.1 135.0 4.42 0.774 0.2373
-0.1 165.0 2.37 1.36 0.9747
-0.1 195.0 3.7 1.92 0.7534
-0.1 225.0 3.09 0.546 0.3437
-0.1 255.0 3.85 0.685 0.6251
-0.1 285.0 2.51 0.685 0.3749
-0.1 315.0 1.77 0.577 0.2774
-0.1 345.0 1.68 0.496 0.2688
0.1 15.0 1.71 0.519 0.4695
0.1 45.0 1.81 0.481 0.134
0.1 75.0 2.96 0.616 0.1102
0.1 105.0 3.99 0.672 0.5307
0.1 135.0 3.47 0.727 0.3398
0.1 165.0 1.37 1.5 1.1024
0.1 225.0 2.17 0.502 0.15
0.1 255.0 2.18 0.391 0.3386
0.1 285.0 1.94 0.534 0.1985
0.1 315.0 2.44 0.612 0.1491
0.1 345.0 1.36 0.476 0.1083
0.3 15.0 1.98 0.588 0.485
0.3 45.0 1.46 0.502 0.1168
0.3 75.0 2.66 0.624 0.399
0.3 105.0 2.64 0.467 0.218
0.3 135.0 1.23 0.37 0.2096
0.3 225.0 2.96 0.677 0.2429
0.3 255.0 4.2 0.713 0.7636
0.3 285.0 5.23 1.03 0.8424
0.3 315.0 2.64 0.751 0.292
0.3 345.0 1.96 0.547 0.4007
0.5 15.0 0.868 0.308 0.2188
0.5 45.0 1.87 0.501 0.0572
0.5 75.0 2.45 0.484 0.1651
0.5 105.0 3.08 0.627 0.545
0.5 135.0 2.45 0.728 0.2974
0.5 225.0 2.49 0.797 0.1011
0.5 255.0 2.97 0.486 0.6829
0.5 285.0 2.54 0.553 0.1566
0.5 315.0 3.21 1.06 0.4538
0.5 345.0 1.86 0.565 0.2104
0.7 15.0 0.755 0.3 0.5192
0.7 45.0 2.59 0.767 0.6051
0.7 75.0 1.39 0.352 0.1445
0.7 105.0 1.03 0.319 0.2269
0.7 135.0 2.01 0.661 0.423
0.7 225.0 2.75 0.973 0.6736
0.7 255.0 1.22 0.325 0.0642
0.7 285.0 1.59 0.38 0.162
0.7 315.0 1.42 0.487 0.1298
0.7 345.0 1.77 0.571 0.3729
0.9 15.0 0.753 0.405 0.2765
0.9 45.0 0.964 0.488 0.315
0.9 75.0 0.542 0.225 0.1444
0.9 105.0 0.609 0.249 0.1237
0.9 135.0 0.684 0.29 0.2066
0.9 225.0 0.347 0.261 0.1714
0.9 255.0 0.362 0.157 0.2439
0.9 285.0 1.65 0.55 0.5018
0.9 315.0 0.865 0.376 0.5215
0.9 345.0 0.098 0.073 0.0736