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Measurement E9M21

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: 1.5 GeV
ε: 0.621
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 0.136 0.0572
-0.9 45.0 1.19 0.463 0.1282
-0.9 75.0 0.892 0.562 0.2765
-0.9 105.0 0.359 0.217 0.2951
-0.9 135.0 2.02 0.927 1.5182
-0.9 165.0 2.28 1.14 0.5766
-0.9 195.0 1.03 0.52 0.0983
-0.9 225.0 1.04 0.814 0.4939
-0.9 255.0 0.973 0.743 0.2908
-0.9 285.0 1.15 0.502 0.2629
-0.9 315.0 0.381 0.204 0.2357
-0.9 345.0 0.318 0.173 0.275
-0.7 15.0 0.561 0.201 0.1228
-0.7 45.0 0.926 0.405 0.2397
-0.7 75.0 2.19 0.81 0.423
-0.7 105.0 3.18 0.881 0.3724
-0.7 135.0 2.43 0.885 0.6624
-0.7 165.0 2.67 2.24 1.8981
-0.7 195.0 9.2 8.41 8.5211
-0.7 225.0 4.32 1.2 0.6402
-0.7 255.0 2.64 0.8 0.4122
-0.7 285.0 1.03 0.391 0.3481
-0.7 315.0 1.5 0.588 0.357
-0.7 345.0 1.34 0.406 0.2407
-0.5 15.0 0.969 0.264 0.0961
-0.5 45.0 2.59 0.765 0.167
-0.5 75.0 4.32 0.982 0.5147
-0.5 105.0 3.35 0.63 0.1212
-0.5 135.0 2.85 0.676 0.3294
-0.5 225.0 3.52 0.859 0.6113
-0.5 255.0 4.79 0.844 0.1331
-0.5 285.0 2.34 0.598 0.2703
-0.5 315.0 1.83 0.625 0.3017
-0.5 345.0 1.42 0.369 0.1722
-0.3 15.0 1.79 0.401 0.2359
-0.3 45.0 1.69 0.479 0.2859
-0.3 75.0 2.52 0.486 0.5966
-0.3 105.0 7.11 0.993 0.8514
-0.3 135.0 3.9 0.995 1.0818
-0.3 225.0 2.88 0.771 0.42
-0.3 255.0 4.59 0.716 0.4626
-0.3 285.0 6.19 1.06 0.4038
-0.3 315.0 3.17 0.757 0.6156
-0.3 345.0 1.76 0.388 0.2277
-0.1 15.0 1.49 0.355 0.1179
-0.1 45.0 3.48 0.771 0.2188
-0.1 75.0 3.12 0.575 0.1535
-0.1 105.0 4.69 0.681 0.7501
-0.1 135.0 4.67 1.31 0.2924
-0.1 165.0 2.36 0.932 0.6464
-0.1 195.0 6.76 2.86 2.2432
-0.1 225.0 4.58 1.49 0.96
-0.1 255.0 4.28 0.676 0.1627
-0.1 285.0 5.73 0.903 0.6328
-0.1 315.0 3.24 0.792 0.4669
-0.1 345.0 2.82 0.573 0.5417
0.1 15.0 2.47 0.824 0.5345
0.1 45.0 2.98 0.649 0.2199
0.1 75.0 4.6 0.736 0.4252
0.1 105.0 4.4 0.743 0.2243
0.1 135.0 4.34 1.15 0.5972
0.1 165.0 4.03 1.4 0.9558
0.1 195.0 5.94 1.83 2.1058
0.1 225.0 4.3 1.11 0.5601
0.1 255.0 3.52 0.557 0.6557
0.1 285.0 5.28 0.724 0.219
0.1 315.0 2.38 0.545 0.1285
0.1 345.0 5.34 1.35 0.4205
0.3 15.0 2.69 0.886 0.5613
0.3 45.0 4.2 0.849 0.438
0.3 75.0 4.15 0.654 0.107
0.3 105.0 4.71 0.793 0.4608
0.3 135.0 3.24 0.781 0.6281
0.3 165.0 2.57 0.8 0.7246
0.3 195.0 2.82 0.992 0.3924
0.3 225.0 3.49 0.868 0.4738
0.3 255.0 4.05 0.745 0.2624
0.3 285.0 4.92 0.75 0.2833
0.3 315.0 4.67 0.949 0.4548
0.3 345.0 1.64 0.519 0.0561
0.5 15.0 2.63 0.745 0.3775
0.5 45.0 2.41 0.547 0.6893
0.5 75.0 2.88 0.504 0.1351
0.5 105.0 3.56 0.715 0.1107
0.5 135.0 2.68 0.604 0.1198
0.5 165.0 1.91 0.598 0.2712
0.5 195.0 4.0 1.18 0.9955
0.5 225.0 3.31 0.7 0.2515
0.5 255.0 4.68 0.883 0.4087
0.5 285.0 3.69 0.638 0.4063
0.5 315.0 2.59 0.657 0.1361
0.5 345.0 2.21 0.563 0.2932
0.7 15.0 2.44 0.643 0.8978
0.7 45.0 2.49 0.623 0.1076
0.7 75.0 3.55 0.623 0.4503
0.7 105.0 4.01 0.952 0.9688
0.7 135.0 1.67 0.525 0.2016
0.7 165.0 1.18 0.742 0.335
0.7 195.0 3.22 1.29 0.7714
0.7 225.0 0.964 0.308 0.3187
0.7 255.0 1.49 0.39 0.0572
0.7 285.0 2.43 0.476 0.1011
0.7 315.0 3.07 0.873 0.6685
0.7 345.0 1.56 0.41 0.4579
0.9 15.0 1.84 0.635 0.6464
0.9 45.0 2.12 0.726 0.6996
0.9 75.0 2.3 0.5 0.5164
0.9 105.0 3.28 0.902 0.8311
0.9 135.0 1.58 0.629 0.7085
0.9 165.0 0.762 0.478 0.236
0.9 195.0 1.24 0.73 0.4228
0.9 225.0 1.07 0.607 0.4867
0.9 255.0 1.69 0.551 0.5454
0.9 285.0 1.94 0.515 0.3139
0.9 315.0 3.08 1.15 0.924
0.9 345.0 6.44 2.39 2.4818
Created in SINP MSU, CLAS Collaboration