CLAS Physics Database

Measurement E9M101

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: 0.45 — 0.6 GeV2
W: 1.54 GeV
ε: 0.49
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 0.535 0.21 0.06
-0.9 45.0 0.401 0.217 0.1528
-0.9 75.0 1.06 0.659 0.31
-0.9 105.0 1.34 0.637 0.6754
-0.9 135.0 0.923 0.592 0.5735
-0.9 165.0 0.523 0.392 0.1862
-0.9 195.0 0.851 0.537 0.4253
-0.9 225.0 0.492 0.369 0.6733
-0.9 255.0 0.86 0.54 0.336
-0.9 285.0 1.67 0.579 0.2246
-0.9 315.0 0.735 0.266 0.0674
-0.9 345.0 0.943 0.343 0.1071
-0.7 15.0 0.735 0.267 0.063
-0.7 45.0 0.898 0.328 0.1548
-0.7 75.0 2.67 0.787 0.5035
-0.7 105.0 1.33 0.448 0.1262
-0.7 135.0 1.51 0.592 0.5868
-0.7 225.0 2.8 1.13 0.5537
-0.7 255.0 1.58 0.45 0.2066
-0.7 285.0 3.57 1.07 1.0931
-0.7 315.0 0.277 0.13 0.1073
-0.7 345.0 1.67 0.461 0.4606
-0.5 15.0 0.847 0.22 0.1007
-0.5 45.0 2.13 0.585 0.4087
-0.5 75.0 2.02 0.471 0.2526
-0.5 105.0 1.89 0.38 0.0654
-0.5 135.0 2.14 0.621 0.4239
-0.5 225.0 2.87 0.768 0.5117
-0.5 255.0 2.19 0.439 0.2525
-0.5 285.0 1.38 0.415 0.2601
-0.5 315.0 1.76 0.439 0.2101
-0.5 345.0 1.33 0.342 0.0686
-0.3 15.0 1.06 0.309 0.0693
-0.3 45.0 1.47 0.456 0.3075
-0.3 75.0 2.71 0.57 0.5517
-0.3 105.0 1.73 0.358 0.1106
-0.3 135.0 2.36 0.823 0.2945
-0.3 165.0 1.23 1.33 0.8173
-0.3 225.0 2.03 0.657 0.3231
-0.3 255.0 3.29 0.586 0.5065
-0.3 285.0 2.0 0.445 0.1823
-0.3 315.0 2.1 0.538 0.3696
-0.3 345.0 2.11 0.492 0.0696
-0.1 15.0 1.54 0.962 0.5202
-0.1 45.0 2.26 0.577 0.2284
-0.1 75.0 2.98 0.532 0.2215
-0.1 105.0 3.79 0.585 0.1943
-0.1 135.0 2.99 0.851 0.5163
-0.1 165.0 3.29 1.37 0.5892
-0.1 195.0 3.91 1.71 0.406
-0.1 225.0 2.08 0.651 0.6084
-0.1 255.0 1.98 0.42 0.0906
-0.1 285.0 1.95 0.369 0.3036
-0.1 315.0 1.71 0.447 0.2277
-0.1 345.0 1.37 0.61 0.1225
0.1 15.0 1.15 0.62 0.265
0.1 45.0 1.43 0.384 0.0622
0.1 75.0 2.61 0.434 0.2735
0.1 105.0 3.19 0.59 0.1431
0.1 135.0 3.9 0.941 0.5524
0.1 165.0 2.74 0.855 0.2932
0.1 195.0 2.11 0.683 0.4767
0.1 225.0 2.82 0.631 1.0634
0.1 255.0 2.72 0.504 0.035
0.1 285.0 1.81 0.345 0.1768
0.1 315.0 1.69 0.455 0.2203
0.1 345.0 1.05 0.558 0.1956
0.3 15.0 1.52 0.641 0.1368
0.3 45.0 1.71 0.41 0.0495
0.3 75.0 2.88 0.47 0.2032
0.3 105.0 4.15 0.724 0.1853
0.3 135.0 2.4 0.504 0.1641
0.3 165.0 1.67 0.603 0.3144
0.3 195.0 2.28 0.731 0.5741
0.3 225.0 4.2 0.855 0.3881
0.3 255.0 2.44 0.485 0.1683
0.3 285.0 1.88 0.333 0.3695
0.3 315.0 2.64 0.524 0.1817
0.3 345.0 5.28 1.97 1.384
0.5 15.0 0.809 0.356 0.3159
0.5 45.0 1.29 0.388 0.1244
0.5 75.0 3.36 0.549 0.4985
0.5 105.0 1.79 0.436 0.0757
0.5 135.0 1.81 0.412 0.1704
0.5 165.0 2.67 0.952 0.3393
0.5 195.0 1.92 0.786 0.2894
0.5 225.0 1.31 0.33 0.0823
0.5 255.0 1.78 0.438 0.1788
0.5 285.0 1.77 0.336 0.2473
0.5 315.0 1.91 0.483 0.1266
0.5 345.0 2.75 1.03 0.484
0.7 15.0 2.05 0.576 0.4662
0.7 45.0 1.21 0.356 0.2695
0.7 75.0 1.21 0.251 0.183
0.7 105.0 1.27 0.344 0.2724
0.7 135.0 1.41 0.382 0.3085
0.7 165.0 0.624 0.276 0.2026
0.7 195.0 0.733 0.324 0.2133
0.7 225.0 1.64 0.427 0.2518
0.7 255.0 1.36 0.367 0.0725
0.7 285.0 1.15 0.252 0.293
0.7 315.0 1.77 0.429 0.3798
0.7 345.0 2.03 0.583 0.3625
0.9 15.0 0.802 0.293 0.9009
0.9 45.0 0.761 0.284 0.1539
0.9 75.0 0.927 0.252 0.1926
0.9 105.0 0.53 0.236 0.1213
0.9 135.0 1.6 0.604 0.3878
0.9 165.0 0.84 0.547 0.3236
0.9 195.0 1.16 0.666 3.6068
0.9 225.0 0.408 0.196 0.0633
0.9 255.0 1.26 0.375 0.1693
0.9 285.0 1.89 0.444 0.4897
0.9 315.0 0.892 0.296 0.1363
0.9 345.0 2.86 1.5 1.0436