CLAS Physics Database

Measurement E9M72

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: 1.6 — 2.0 GeV2
W: 1.34 GeV
ε: 0.506
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 0.0457 0.0397 0.0169
-0.9 45.0 0.108 0.117 0.0622
-0.9 75.0 0.0336 0.0365 0.0624
-0.9 105.0 0.76 0.658 0.2058
-0.9 165.0 1.35 0.892 0.4991
-0.9 195.0 0.111 0.12 0.0825
-0.9 225.0 1.03 0.842 0.5181
-0.9 255.0 0.849 0.858 0.5425
-0.9 285.0 1.97 1.42 0.9123
-0.9 315.0 2.05 2.56 0.8956
-0.9 345.0 0.116 0.0915 0.1666
-0.7 15.0 0.964 0.525 0.2006
-0.7 45.0 0.289 0.186 0.05
-0.7 75.0 0.738 0.503 0.106
-0.7 105.0 1.86 1.1 0.2133
-0.7 135.0 0.502 0.376 0.2312
-0.7 165.0 1.43 1.19 0.4679
-0.7 195.0 0.561 0.436 0.3039
-0.7 225.0 0.191 0.147 0.2575
-0.7 285.0 0.792 0.364 0.3672
-0.7 315.0 1.48 0.951 0.2788
-0.5 15.0 0.845 0.412 0.0974
-0.5 45.0 0.618 0.359 0.0556
-0.5 75.0 0.567 0.33 0.0902
-0.5 105.0 0.94 0.588 0.2912
-0.5 135.0 0.255 0.275 0.1089
-0.5 195.0 0.892 0.818 0.4257
-0.5 225.0 0.582 0.674 0.3628
-0.5 255.0 1.26 0.611 1.4973
-0.5 285.0 0.0754 0.0776 0.0924
-0.5 315.0 0.231 0.125 0.4758
-0.5 345.0 2.41 1.24 0.918
-0.3 15.0 0.349 0.176 0.1115
-0.3 45.0 0.461 0.227 0.4027
-0.3 75.0 0.945 0.511 0.2096
-0.3 105.0 1.86 0.875 0.4619
-0.3 135.0 0.822 0.546 0.0923
-0.3 165.0 0.319 0.342 0.0852
-0.3 195.0 0.407 0.271 0.6368
-0.3 225.0 4.23 3.14 1.9506
-0.3 255.0 1.51 1.03 0.2281
-0.3 285.0 0.435 0.246 0.1307
-0.3 315.0 0.758 0.428 0.3497
-0.3 345.0 0.464 0.302 0.1107
-0.1 15.0 0.269 0.172 0.0177
-0.1 45.0 1.2 0.542 0.4782
-0.1 75.0 0.829 0.345 0.1848
-0.1 105.0 0.796 0.544 0.3427
-0.1 135.0 1.37 0.944 3.0354
-0.1 165.0 2.53 2.56 0.8954
-0.1 225.0 0.487 0.323 0.2042
-0.1 255.0 1.91 1.22 0.5077
-0.1 285.0 0.677 0.347 0.4666
-0.1 315.0 0.448 0.287 0.1246
-0.1 345.0 0.461 0.211 0.346
0.1 15.0 0.45 0.229 0.4767
0.1 45.0 0.779 0.315 0.2422
0.1 75.0 0.883 0.43 0.1686
0.1 105.0 0.4 0.219 0.2097
0.1 135.0 0.593 0.474 0.3675
0.1 165.0 2.84 3.49 1.6224
0.1 225.0 2.41 2.43 1.0619
0.1 255.0 0.734 0.354 0.2049
0.1 285.0 1.13 0.448 0.1933
0.1 315.0 0.855 0.345 0.4645
0.1 345.0 0.694 0.273 0.1906
0.3 15.0 0.685 0.34 0.1868
0.3 45.0 0.41 0.223 0.0465
0.3 75.0 0.258 0.195 0.0283
0.3 105.0 0.799 0.418 0.6701
0.3 135.0 4.28 3.6 1.367
0.3 165.0 2.31 1.36 6.8973
0.3 195.0 8.01 9.31 4.4877
0.3 225.0 0.629 0.546 1.9339
0.3 255.0 0.75 0.335 0.0867
0.3 285.0 0.809 0.367 0.0812
0.3 315.0 0.879 0.542 0.3224
0.3 345.0 0.279 0.213 0.0575
0.5 15.0 0.388 0.229 0.2166
0.5 45.0 0.455 0.374 0.1241
0.5 75.0 0.982 0.473 0.7063
0.5 105.0 0.941 0.545 0.1997
0.5 135.0 2.59 3.19 0.9944
0.5 225.0 1.05 0.783 3.2498
0.5 255.0 2.55 1.83 1.5543
0.5 285.0 0.435 0.251 0.4618
0.5 315.0 0.499 0.278 0.0182
0.5 345.0 0.707 0.308 0.4691
0.7 15.0 1.58 0.891 0.5596
0.7 45.0 0.223 0.129 0.0492
0.7 75.0 0.399 0.308 0.2599
0.7 105.0 0.876 0.56 0.2378
0.7 195.0 0.848 0.582 0.7171
0.7 225.0 4.06 4.6 1.7384
0.7 255.0 1.03 0.86 0.3351
0.7 285.0 0.0404 0.0422 0.0918
0.7 315.0 0.697 0.458 0.1981
0.7 345.0 2.17 2.68 0.9222
0.9 15.0 1.32 1.52 1.3031
0.9 75.0 1.38 1.57 1.1767
0.9 105.0 0.943 0.659 0.4424
0.9 135.0 0.695 0.499 0.4244
0.9 255.0 0.141 0.165 0.2608
0.9 285.0 0.505 0.405 0.3058
0.9 315.0 1.94 1.68 0.8263
0.9 345.0 0.0485 0.0547 0.0931