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Measurement E9M18

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: 1.44 GeV
ε: 0.683
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 0.0954 0.0708 0.0347
-0.9 45.0 0.143 0.105 0.0346
-0.9 75.0 0.423 0.264 0.1724
-0.9 105.0 1.37 0.71 0.1901
-0.9 135.0 1.36 0.698 2.0621
-0.9 165.0 1.08 0.506 0.2272
-0.9 195.0 1.14 0.472 0.0791
-0.9 225.0 1.48 0.78 0.0561
-0.9 255.0 0.309 0.189 0.1212
-0.9 285.0 0.573 0.262 0.1383
-0.9 315.0 0.0829 0.0846 0.0044
-0.9 345.0 0.147 0.0914 0.0484
-0.7 15.0 0.645 0.267 0.1035
-0.7 45.0 1.25 0.417 0.0704
-0.7 75.0 0.708 0.425 0.2285
-0.7 105.0 0.666 0.402 0.1152
-0.7 135.0 2.0 0.82 0.8464
-0.7 165.0 0.479 0.501 0.7299
-0.7 195.0 1.32 1.03 2.5478
-0.7 225.0 2.45 1.26 0.6216
-0.7 255.0 1.64 0.634 0.3891
-0.7 285.0 2.47 0.976 0.3266
-0.7 315.0 0.768 0.307 0.2399
-0.7 345.0 0.15 0.108 0.0376
-0.5 15.0 1.18 0.334 0.1788
-0.5 45.0 1.09 0.386 0.1006
-0.5 75.0 2.43 0.666 0.1555
-0.5 105.0 2.6 0.595 0.326
-0.5 135.0 3.46 0.781 0.2685
-0.5 195.0 3.55 2.6 3.4812
-0.5 225.0 3.03 0.617 0.3343
-0.5 255.0 2.75 0.589 0.2263
-0.5 285.0 1.42 0.501 0.075
-0.5 315.0 1.83 0.58 0.2979
-0.5 345.0 0.735 0.238 0.0543
-0.3 15.0 1.12 0.261 0.0991
-0.3 45.0 2.46 0.637 0.4458
-0.3 75.0 2.17 0.55 0.1695
-0.3 105.0 3.37 0.557 0.3818
-0.3 135.0 2.02 0.534 0.2579
-0.3 165.0 4.55 2.86 15.3014
-0.3 195.0 1.83 1.45 1.8416
-0.3 225.0 3.21 0.702 0.3663
-0.3 255.0 3.54 0.625 0.1228
-0.3 285.0 3.81 0.799 0.0752
-0.3 315.0 4.38 1.07 0.4493
-0.3 345.0 2.22 0.449 0.2078
-0.1 15.0 1.53 0.353 0.1329
-0.1 45.0 1.99 0.514 0.2197
-0.1 75.0 4.35 0.886 0.606
-0.1 105.0 5.07 0.863 0.8619
-0.1 135.0 1.78 0.483 0.6309
-0.1 225.0 2.51 0.696 0.6228
-0.1 255.0 3.09 0.56 0.1723
-0.1 285.0 4.89 0.911 0.2958
-0.1 315.0 2.8 0.725 0.5461
-0.1 345.0 1.2 0.285 0.1712
0.1 15.0 1.87 0.465 0.1474
0.1 45.0 3.28 0.72 0.1321
0.1 75.0 2.67 0.532 0.1168
0.1 105.0 3.03 0.522 0.858
0.1 135.0 2.22 0.911 0.4436
0.1 165.0 0.866 0.936 0.3111
0.1 195.0 2.08 1.7 1.0013
0.1 225.0 1.97 0.717 0.6124
0.1 255.0 3.92 0.737 0.4399
0.1 285.0 2.99 0.587 0.1731
0.1 315.0 3.06 0.732 0.3465
0.1 345.0 1.92 0.489 0.3341
0.3 15.0 1.34 0.368 0.0776
0.3 45.0 1.93 0.528 0.131
0.3 75.0 1.78 0.359 0.2065
0.3 105.0 2.66 0.524 0.1249
0.3 135.0 1.38 0.659 0.2032
0.3 165.0 2.8 1.03 1.4406
0.3 195.0 2.12 1.0 0.538
0.3 225.0 3.77 1.36 0.9315
0.3 255.0 3.2 0.646 0.1198
0.3 285.0 2.13 0.413 0.1772
0.3 315.0 2.06 0.515 0.1001
0.3 345.0 2.91 0.685 0.4554
0.5 15.0 2.72 0.643 0.2916
0.5 45.0 1.79 0.46 0.066
0.5 75.0 1.0 0.253 0.2957
0.5 105.0 1.97 0.458 0.0933
0.5 135.0 1.13 0.441 0.2963
0.5 165.0 1.59 0.68 0.4082
0.5 195.0 0.653 0.404 0.0956
0.5 225.0 3.75 1.31 0.5345
0.5 255.0 3.06 0.634 0.2383
0.5 285.0 2.56 0.512 0.3117
0.5 315.0 2.45 0.639 0.1409
0.5 345.0 2.44 0.564 0.1128
0.7 15.0 1.55 0.4 0.4136
0.7 45.0 1.08 0.356 0.0859
0.7 75.0 2.34 0.544 0.2856
0.7 105.0 1.21 0.398 0.1922
0.7 135.0 0.564 0.419 0.0781
0.7 165.0 1.94 1.35 0.7987
0.7 195.0 1.69 0.909 0.3152
0.7 225.0 1.0 0.491 0.222
0.7 255.0 1.97 0.525 0.3805
0.7 285.0 1.13 0.333 0.0977
0.7 315.0 1.58 0.451 0.2543
0.7 345.0 2.69 0.6 0.4768
0.9 15.0 1.19 0.36 0.7782
0.9 45.0 2.11 0.794 0.3721
0.9 75.0 0.785 0.308 0.1746
0.9 105.0 0.566 0.206 0.1643
0.9 135.0 0.211 0.22 0.4158
0.9 165.0 1.06 1.23 0.5244
0.9 225.0 0.932 0.537 0.3188
0.9 255.0 2.21 0.641 0.4781
0.9 285.0 0.985 0.323 0.3638
0.9 315.0 0.724 0.267 0.242
0.9 345.0 1.42 0.448 0.4316
Created in SINP MSU, CLAS Collaboration