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Measurement E9M23

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: 0.35 — 0.45 GeV2
W: 1.54 GeV
ε: 0.573
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 0.449 0.245 0.1377
-0.9 45.0 0.776 0.335 0.2551
-0.9 75.0 1.62 0.719 0.4886
-0.9 105.0 0.568 0.428 0.2095
-0.9 135.0 2.07 1.47 0.6629
-0.9 195.0 0.649 0.401 0.1093
-0.9 225.0 0.459 0.482 0.3995
-0.9 255.0 0.793 0.389 1.1246
-0.9 285.0 3.01 1.34 0.8108
-0.9 315.0 0.879 0.409 0.229
-0.9 345.0 1.22 0.472 0.3723
-0.7 15.0 1.26 0.344 0.1214
-0.7 45.0 1.02 0.428 0.2429
-0.7 75.0 1.73 0.679 0.2259
-0.7 105.0 1.55 0.438 0.2607
-0.7 135.0 2.4 0.826 0.3436
-0.7 225.0 1.45 0.579 0.1676
-0.7 255.0 1.17 0.37 0.2198
-0.7 285.0 1.29 0.474 0.216
-0.7 315.0 1.31 0.436 0.1404
-0.7 345.0 1.26 0.363 0.2111
-0.5 15.0 0.609 0.206 0.0991
-0.5 45.0 1.42 0.45 0.1887
-0.5 75.0 2.96 0.667 0.3337
-0.5 105.0 3.04 0.619 0.5743
-0.5 135.0 2.15 0.725 0.2541
-0.5 225.0 0.815 0.29 0.3712
-0.5 255.0 2.19 0.447 0.0882
-0.5 285.0 1.72 0.462 0.544
-0.5 315.0 2.75 0.716 0.265
-0.5 345.0 1.34 0.377 0.1693
-0.3 15.0 1.44 0.308 0.3241
-0.3 45.0 2.28 0.579 0.3012
-0.3 75.0 3.44 0.643 0.1201
-0.3 105.0 3.66 0.668 0.5091
-0.3 135.0 2.53 0.914 1.3088
-0.3 165.0 1.7 0.87 1.3134
-0.3 195.0 1.64 0.949 2.6918
-0.3 225.0 1.83 0.711 0.3977
-0.3 255.0 2.86 0.496 0.3081
-0.3 285.0 3.47 0.662 0.2386
-0.3 315.0 1.64 0.463 0.1566
-0.3 345.0 1.04 0.277 0.129
-0.1 15.0 1.18 0.33 0.1294
-0.1 45.0 1.57 0.42 0.11
-0.1 75.0 2.82 0.515 0.2534
-0.1 105.0 3.63 0.656 0.1639
-0.1 135.0 2.01 0.556 0.8687
-0.1 165.0 2.06 0.907 0.3006
-0.1 195.0 2.9 1.28 0.4201
-0.1 225.0 2.29 0.89 0.4715
-0.1 255.0 4.32 0.732 0.3006
-0.1 285.0 4.64 0.745 0.3822
-0.1 315.0 3.32 0.729 0.2493
-0.1 345.0 2.03 0.455 0.142
0.1 15.0 1.09 0.678 0.3219
0.1 45.0 3.05 0.81 0.5447
0.1 75.0 3.39 0.55 0.2987
0.1 105.0 5.59 0.955 0.4354
0.1 135.0 2.63 0.576 0.4553
0.1 165.0 0.748 0.356 0.3846
0.1 195.0 2.28 0.708 0.2678
0.1 225.0 2.39 0.578 0.5869
0.1 255.0 4.9 0.914 0.9856
0.1 285.0 2.94 0.517 0.196
0.1 315.0 1.96 0.516 0.177
0.1 345.0 1.09 0.475 0.1321
0.3 15.0 1.07 0.471 0.0274
0.3 45.0 2.27 0.624 0.415
0.3 75.0 3.87 0.578 0.2391
0.3 105.0 5.02 0.971 0.4106
0.3 135.0 3.23 0.667 0.3137
0.3 165.0 2.69 1.01 0.8372
0.3 195.0 2.12 0.701 0.2214
0.3 225.0 3.24 0.669 0.2147
0.3 255.0 4.54 0.878 0.3285
0.3 285.0 3.34 0.524 0.095
0.3 315.0 1.66 0.481 0.082
0.3 345.0 2.44 0.919 0.1361
0.5 15.0 1.84 0.796 0.1736
0.5 45.0 1.91 0.518 0.0507
0.5 75.0 2.78 0.464 0.4165
0.5 105.0 2.16 0.512 0.2216
0.5 135.0 0.888 0.274 0.1242
0.5 165.0 0.611 0.221 0.4599
0.5 195.0 5.15 1.53 1.3585
0.5 225.0 2.75 0.588 0.1445
0.5 255.0 2.66 0.522 1.0918
0.5 285.0 2.42 0.464 0.1482
0.5 315.0 2.31 0.629 0.2597
0.5 345.0 2.64 1.28 0.9418
0.7 15.0 0.807 0.301 0.1195
0.7 45.0 1.57 0.446 0.1984
0.7 75.0 2.32 0.516 0.0838
0.7 105.0 3.07 0.749 0.2407
0.7 135.0 1.41 0.387 0.2372
0.7 165.0 1.03 0.466 0.1119
0.7 195.0 1.2 0.661 0.3163
0.7 225.0 2.46 0.617 0.2456
0.7 255.0 1.88 0.496 0.3535
0.7 285.0 1.96 0.396 0.209
0.7 315.0 2.19 0.665 0.2151
0.7 345.0 2.55 0.79 0.4451
0.9 15.0 1.06 0.383 1.2801
0.9 45.0 1.06 0.464 0.3069
0.9 75.0 1.56 0.392 0.2354
0.9 105.0 1.21 0.42 0.2023
0.9 135.0 0.796 0.331 0.179
0.9 165.0 0.672 0.433 0.3552
0.9 195.0 3.21 1.99 2.3093
0.9 225.0 0.668 0.327 0.3193
0.9 255.0 0.682 0.277 0.2087
0.9 285.0 2.13 0.541 0.2898
0.9 315.0 0.777 0.331 0.1292
0.9 345.0 1.93 0.887 0.2489
Created in SINP MSU, CLAS Collaboration