CLAS Physics Database

Measurement E9M104

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: 1.6 GeV
ε: 0.403
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 0.55 0.351 0.0816
-0.9 45.0 1.1 0.577 0.2685
-0.9 75.0 0.873 0.493 0.4404
-0.9 105.0 1.04 0.689 0.1059
-0.9 165.0 4.77 6.75 2.9153
-0.9 225.0 1.02 1.11 0.2606
-0.9 255.0 1.42 1.15 0.4587
-0.9 285.0 2.43 1.23 0.9511
-0.9 315.0 1.62 0.823 0.5451
-0.9 345.0 1.36 0.604 0.1397
-0.7 15.0 0.751 0.321 0.1697
-0.7 45.0 0.742 0.41 0.1939
-0.7 75.0 0.629 0.34 0.1662
-0.7 105.0 1.41 0.575 0.3707
-0.7 135.0 2.9 1.51 0.6875
-0.7 225.0 1.99 1.38 0.9069
-0.7 255.0 1.37 0.531 0.1701
-0.7 285.0 1.43 0.68 0.3566
-0.7 315.0 0.925 0.388 0.0933
-0.7 345.0 0.457 0.203 0.1001
-0.5 15.0 0.382 0.182 0.0839
-0.5 45.0 0.965 0.346 0.7003
-0.5 75.0 1.35 0.455 0.1492
-0.5 105.0 0.569 0.2 0.1917
-0.5 135.0 2.54 1.6 0.6832
-0.5 225.0 1.89 0.999 0.3012
-0.5 255.0 1.07 0.388 0.1339
-0.5 285.0 0.654 0.238 0.1823
-0.5 315.0 0.972 0.363 0.1487
-0.5 345.0 0.839 0.283 0.1533
-0.3 15.0 1.22 0.467 0.2749
-0.3 45.0 2.15 0.788 0.5181
-0.3 75.0 1.13 0.342 0.1129
-0.3 105.0 0.836 0.344 0.1266
-0.3 135.0 0.807 0.499 0.1362
-0.3 165.0 6.57 4.01 3.603
-0.3 195.0 0.305 0.317 0.1694
-0.3 225.0 0.659 0.496 0.0836
-0.3 255.0 1.46 0.46 0.1216
-0.3 285.0 1.91 0.606 0.5221
-0.3 315.0 1.1 0.411 0.2752
-0.3 345.0 2.01 0.645 0.2316
-0.1 15.0 3.33 2.56 1.398
-0.1 45.0 0.711 0.236 0.2459
-0.1 75.0 0.958 0.281 0.1293
-0.1 105.0 1.17 0.448 0.1631
-0.1 135.0 1.03 0.377 0.0593
-0.1 165.0 0.9 0.449 0.2626
-0.1 195.0 1.18 0.559 0.2338
-0.1 225.0 1.73 0.539 0.2599
-0.1 255.0 1.87 0.56 0.2122
-0.1 285.0 0.96 0.281 0.1665
-0.1 315.0 0.49 0.256 0.0631
-0.1 345.0 2.84 1.33 0.7828
0.1 15.0 1.1 0.616 0.0806
0.1 45.0 1.68 0.616 0.2802
0.1 75.0 1.26 0.376 0.0892
0.1 105.0 1.62 0.433 0.7257
0.1 135.0 1.13 0.349 0.1012
0.1 165.0 2.85 1.22 0.3605
0.1 195.0 1.24 0.631 0.318
0.1 225.0 2.03 0.578 0.192
0.1 255.0 1.08 0.372 0.052
0.1 285.0 2.26 0.615 0.3532
0.1 315.0 0.949 0.464 0.1646
0.1 345.0 0.769 0.485 0.044
0.3 15.0 0.475 0.292 0.3634
0.3 45.0 0.387 0.203 0.0896
0.3 75.0 1.25 0.34 0.0517
0.3 105.0 1.61 0.485 0.1222
0.3 135.0 1.05 0.384 0.25
0.3 165.0 1.18 0.591 0.376
0.3 195.0 0.668 0.375 0.1978
0.3 225.0 0.905 0.334 0.057
0.3 255.0 2.47 0.767 0.5721
0.3 285.0 1.15 0.32 0.1714
0.3 315.0 1.55 0.486 0.1861
0.3 345.0 0.599 0.295 0.2648
0.5 15.0 1.25 0.707 0.1462
0.5 45.0 1.31 0.458 0.0559
0.5 75.0 1.12 0.301 0.1385
0.5 105.0 0.677 0.301 0.0501
0.5 135.0 1.15 0.403 0.1552
0.5 165.0 0.893 0.407 1.4454
0.5 195.0 1.48 0.874 0.4669
0.5 225.0 0.715 0.26 0.1735
0.5 255.0 1.15 0.456 0.1196
0.5 285.0 1.86 0.659 0.6285
0.5 315.0 0.592 0.25 0.0646
0.5 345.0 1.28 0.713 0.3421
0.7 15.0 1.25 0.531 0.2014
0.7 45.0 0.561 0.222 0.1101
0.7 75.0 1.56 0.416 0.4084
0.7 105.0 0.302 0.157 0.0542
0.7 135.0 1.07 0.393 0.2652
0.7 165.0 0.781 0.514 0.2324
0.7 195.0 2.17 0.99 0.8056
0.7 225.0 0.505 0.224 0.084
0.7 255.0 1.84 0.663 0.3509
0.7 285.0 1.26 0.435 0.3014
0.7 315.0 0.733 0.337 0.1546
0.7 345.0 0.999 0.418 0.1305
0.9 15.0 1.48 0.746 0.306
0.9 45.0 1.46 0.622 0.2492
0.9 75.0 1.2 0.344 0.355
0.9 105.0 1.53 0.603 0.5133
0.9 135.0 0.498 0.276 0.2583
0.9 165.0 0.224 0.233 0.1465
0.9 195.0 0.97 0.479 0.4696
0.9 225.0 0.788 0.391 0.2215
0.9 255.0 0.988 0.464 0.3695
0.9 285.0 1.62 0.476 0.396
0.9 315.0 0.173 0.106 0.1465
0.9 345.0 1.14 0.634 0.8392