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Measurement E9M20

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: 1.48 GeV
ε: 0.643
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 0.264 0.164 0.1253
-0.9 45.0 0.893 0.342 0.7882
-0.9 75.0 0.474 0.26 0.1329
-0.9 105.0 2.91 1.72 0.5976
-0.9 135.0 0.563 0.426 0.4599
-0.9 165.0 2.67 1.12 0.6012
-0.9 195.0 4.25 1.88 1.1761
-0.9 225.0 3.01 1.53 0.5354
-0.9 255.0 0.792 0.51 0.2561
-0.9 285.0 0.661 0.299 0.2356
-0.9 315.0 0.202 0.122 0.1169
-0.9 345.0 0.159 0.0961 0.0539
-0.7 15.0 0.813 0.3 0.102
-0.7 45.0 1.41 0.523 0.1258
-0.7 75.0 2.12 0.882 0.2855
-0.7 105.0 2.31 0.699 0.3434
-0.7 135.0 1.93 0.824 0.3424
-0.7 195.0 2.81 3.24 1.4768
-0.7 225.0 1.46 0.614 0.323
-0.7 255.0 3.94 1.07 0.8453
-0.7 285.0 4.61 1.65 1.2598
-0.7 315.0 0.475 0.247 0.1204
-0.7 345.0 0.977 0.31 0.0467
-0.5 15.0 0.483 0.189 0.0564
-0.5 45.0 1.35 0.43 0.2229
-0.5 75.0 2.78 0.786 0.4116
-0.5 105.0 3.58 0.729 0.4102
-0.5 135.0 4.23 0.871 0.5532
-0.5 195.0 3.86 3.34 1.6587
-0.5 225.0 4.84 1.08 1.1015
-0.5 255.0 4.51 0.751 0.2455
-0.5 285.0 1.89 0.667 0.4261
-0.5 315.0 1.95 0.526 0.2623
-0.5 345.0 0.796 0.246 0.139
-0.3 15.0 1.56 0.34 0.4249
-0.3 45.0 2.0 0.594 0.0939
-0.3 75.0 4.01 0.803 0.1881
-0.3 105.0 3.28 0.562 0.1379
-0.3 135.0 4.29 0.993 0.3573
-0.3 225.0 3.81 0.886 1.132
-0.3 255.0 4.05 0.627 0.2402
-0.3 285.0 3.28 0.683 0.2011
-0.3 315.0 2.72 0.647 0.4305
-0.3 345.0 1.53 0.342 0.1879
-0.1 15.0 2.58 0.527 0.3788
-0.1 45.0 3.01 0.652 0.267
-0.1 75.0 4.89 0.816 0.4253
-0.1 105.0 5.22 0.798 0.4163
-0.1 135.0 2.32 0.883 0.3612
-0.1 165.0 1.73 1.31 0.4916
-0.1 195.0 0.865 0.639 0.3732
-0.1 225.0 3.97 1.28 0.5741
-0.1 255.0 3.48 0.558 0.196
-0.1 285.0 3.28 0.593 0.424
-0.1 315.0 2.33 0.628 0.3012
-0.1 345.0 1.54 0.358 0.4222
0.1 15.0 2.95 0.711 0.3561
0.1 45.0 2.91 0.639 0.1465
0.1 75.0 3.42 0.564 0.4835
0.1 105.0 4.13 0.672 0.9945
0.1 135.0 3.72 1.09 0.314
0.1 165.0 2.32 0.975 0.4316
0.1 195.0 3.89 1.21 0.4967
0.1 225.0 4.01 1.22 0.5267
0.1 255.0 5.36 0.851 0.3387
0.1 285.0 3.06 0.595 0.0733
0.1 315.0 2.59 0.615 0.0808
0.1 345.0 2.17 0.623 0.241
0.3 15.0 2.63 0.687 0.2131
0.3 45.0 3.0 0.754 0.0923
0.3 75.0 4.12 0.683 0.1437
0.3 105.0 4.58 0.788 0.3374
0.3 135.0 3.39 0.893 0.4979
0.3 165.0 2.83 0.946 0.5447
0.3 195.0 2.48 0.935 0.5847
0.3 225.0 5.67 1.45 0.6442
0.3 255.0 4.8 0.906 0.7299
0.3 285.0 3.88 0.623 0.1367
0.3 315.0 2.46 0.613 0.3738
0.3 345.0 1.59 0.406 0.1087
0.5 15.0 2.19 0.514 0.3788
0.5 45.0 3.16 0.756 0.3867
0.5 75.0 3.46 0.614 0.2416
0.5 105.0 2.23 0.517 0.1227
0.5 135.0 2.21 0.629 0.3893
0.5 165.0 1.02 0.414 0.3114
0.5 195.0 2.25 0.78 0.3146
0.5 225.0 2.94 0.665 0.8387
0.5 255.0 2.67 0.561 0.1753
0.5 285.0 2.89 0.526 0.2165
0.5 315.0 1.7 0.49 0.228
0.5 345.0 2.51 0.604 0.6418
0.7 15.0 3.42 0.832 0.5792
0.7 45.0 2.55 0.657 0.4
0.7 75.0 2.95 0.561 0.371
0.7 105.0 2.61 0.618 0.1746
0.7 135.0 1.04 0.394 0.135
0.7 165.0 2.85 1.06 0.8422
0.7 195.0 1.18 0.495 0.2838
0.7 225.0 1.44 0.546 0.2171
0.7 255.0 2.81 0.609 0.303
0.7 285.0 2.36 0.491 0.1427
0.7 315.0 2.23 0.528 0.3761
0.7 345.0 1.58 0.379 0.532
0.9 15.0 3.61 1.05 0.4666
0.9 45.0 1.79 0.608 0.327
0.9 75.0 1.64 0.416 0.5487
0.9 105.0 1.37 0.513 0.239
0.9 135.0 0.505 0.375 0.2992
0.9 165.0 0.451 0.467 0.252
0.9 195.0 0.381 0.4 0.2509
0.9 225.0 0.777 0.42 0.1307
0.9 255.0 1.3 0.459 0.4542
0.9 285.0 2.41 0.567 0.4036
0.9 315.0 1.09 0.441 0.5156
0.9 345.0 1.54 0.48 0.882
Created in SINP MSU, CLAS Collaboration