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Measurement E9M271

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: 1.0 — 1.3 GeV2
W: 1.44 GeV
ε: 0.661
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 0.22 0.095 0.2414
-0.9 45.0 0.157 0.0792 0.2488
-0.9 75.0 0.218 0.102 0.0303
-0.9 105.0 0.648 0.319 0.2952
-0.9 135.0 0.254 0.103 0.0482
-0.9 165.0 1.6 0.586 0.5793
-0.9 195.0 1.03 0.322 0.1129
-0.9 225.0 0.857 0.292 0.208
-0.9 255.0 0.152 0.0941 0.2192
-0.9 285.0 0.307 0.125 0.0451
-0.9 315.0 0.0996 0.0563 0.0407
-0.9 345.0 0.158 0.0831 0.043
-0.7 15.0 0.597 0.165 0.1125
-0.7 45.0 0.408 0.14 0.0488
-0.7 75.0 0.373 0.155 0.0481
-0.7 105.0 1.41 0.528 0.3695
-0.7 135.0 1.1 0.495 0.4409
-0.7 165.0 0.512 0.199 0.1069
-0.7 195.0 1.33 0.405 0.1908
-0.7 225.0 0.923 0.405 0.4052
-0.7 255.0 0.561 0.201 0.2306
-0.7 285.0 0.375 0.152 0.0399
-0.7 315.0 0.366 0.13 0.0746
-0.7 345.0 0.638 0.192 0.103
-0.5 15.0 0.717 0.226 0.1678
-0.5 45.0 0.732 0.22 0.0204
-0.5 75.0 1.77 0.481 0.061
-0.5 105.0 0.752 0.232 0.3297
-0.5 135.0 0.332 0.248 0.204
-0.5 165.0 1.48 0.509 0.4027
-0.5 195.0 0.649 0.272 0.1588
-0.5 225.0 2.14 0.871 0.2501
-0.5 255.0 1.17 0.376 0.2735
-0.5 285.0 0.675 0.224 0.0722
-0.5 315.0 0.657 0.189 0.0558
-0.5 345.0 0.513 0.16 0.0835
-0.3 15.0 1.39 0.474 0.3162
-0.3 45.0 1.14 0.307 0.0779
-0.3 75.0 1.51 0.378 0.0464
-0.3 105.0 1.59 0.425 0.0783
-0.3 135.0 1.34 0.473 0.3623
-0.3 165.0 0.708 0.55 0.2967
-0.3 195.0 1.48 1.05 0.3062
-0.3 225.0 1.09 0.449 0.1478
-0.3 255.0 2.75 0.684 0.4842
-0.3 285.0 2.65 0.663 0.4404
-0.3 315.0 1.03 0.262 0.1635
-0.3 345.0 0.946 0.263 0.1133
-0.1 15.0 1.11 0.295 0.0524
-0.1 45.0 1.44 0.337 0.0753
-0.1 75.0 1.56 0.368 0.1239
-0.1 105.0 1.87 0.403 0.2392
-0.1 135.0 2.36 0.731 0.5892
-0.1 165.0 2.98 2.12 1.6855
-0.1 195.0 0.933 1.08 0.6362
-0.1 225.0 1.31 0.385 0.1733
-0.1 255.0 2.29 0.521 0.1353
-0.1 285.0 1.92 0.431 0.2615
-0.1 315.0 1.89 0.391 0.1
-0.1 345.0 1.39 0.34 0.298
0.1 15.0 1.72 0.449 0.275
0.1 45.0 0.794 0.234 0.159
0.1 75.0 1.69 0.382 0.4522
0.1 105.0 1.57 0.312 0.3022
0.1 135.0 1.19 0.313 0.2054
0.1 165.0 0.528 0.579 0.4156
0.1 225.0 1.86 0.415 0.3172
0.1 255.0 2.72 0.579 0.4387
0.1 285.0 2.35 0.556 0.3683
0.1 315.0 1.88 0.477 0.2965
0.1 345.0 1.85 0.438 0.2722
0.3 15.0 0.949 0.232 0.0242
0.3 45.0 0.973 0.245 0.2397
0.3 75.0 1.49 0.371 0.4055
0.3 105.0 1.55 0.338 0.1061
0.3 135.0 2.23 0.496 0.3257
0.3 165.0 14.3 15.7 8.5716
0.3 195.0 0.751 0.426 0.3298
0.3 225.0 1.52 0.357 0.2366
0.3 255.0 1.13 0.259 0.0661
0.3 285.0 2.91 0.677 0.4189
0.3 315.0 1.67 0.428 0.421
0.3 345.0 1.06 0.272 0.1269
0.5 15.0 1.06 0.284 0.082
0.5 45.0 1.2 0.339 0.41
0.5 75.0 1.54 0.535 0.4188
0.5 105.0 1.38 0.342 0.1214
0.5 135.0 1.35 0.355 0.2451
0.5 165.0 1.13 1.31 0.6648
0.5 195.0 1.77 1.3 0.5903
0.5 225.0 1.1 0.312 0.3012
0.5 255.0 1.38 0.324 0.3323
0.5 285.0 1.1 0.319 0.1735
0.5 315.0 0.926 0.238 0.0834
0.5 345.0 1.76 0.482 0.4711
0.7 15.0 0.438 0.203 0.174
0.7 45.0 0.926 0.297 0.1421
0.7 75.0 0.657 0.274 0.0914
0.7 105.0 0.454 0.132 0.5254
0.7 135.0 0.722 0.255 0.1054
0.7 165.0 0.874 1.01 0.6145
0.7 195.0 6.61 7.65 5.4858
0.7 225.0 0.987 0.32 0.388
0.7 255.0 0.544 0.19 0.2658
0.7 285.0 0.532 0.191 0.1029
0.7 315.0 1.13 0.343 0.2562
0.7 345.0 0.744 0.225 0.055
0.9 15.0 0.499 0.228 0.1413
0.9 45.0 1.32 0.524 0.2199
0.9 75.0 0.242 0.107 0.2394
0.9 105.0 2.14 1.32 0.8973
0.9 135.0 0.182 0.0948 0.3738
0.9 165.0 0.293 0.361 0.2407
0.9 195.0 2.19 2.54 1.2636
0.9 225.0 1.06 0.592 0.3251
0.9 255.0 0.221 0.114 0.0679
0.9 285.0 0.836 0.402 0.2606
0.9 315.0 0.391 0.162 0.2213
0.9 345.0 0.695 0.273 0.2456
Created in SINP MSU, CLAS Collaboration