Measurement E9M174
| Experiment: | E-89-037 Electroproduction of the P33(1232) Resonance | |
|---|---|---|
| Year: | 2002 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π0p | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.6 — 0.7 GeV2 | |
| W: | 1.3 GeV | |
| ε: | 0.862 | |
| 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)
|
|
| cos(θπ) | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty | syst. uncert. |
|---|---|---|---|---|
| -0.9 | 15.0 | 1.86 | 0.498 | 0.3369 |
| -0.9 | 45.0 | 2.21 | 0.626 | 0.5705 |
| -0.9 | 75.0 | 3.04 | 0.774 | 0.1589 |
| -0.9 | 105.0 | 2.71 | 0.707 | 0.1282 |
| -0.9 | 135.0 | 3.39 | 0.873 | 0.7699 |
| -0.9 | 165.0 | 1.98 | 0.614 | 0.2519 |
| -0.9 | 195.0 | 2.28 | 0.876 | 0.5906 |
| -0.9 | 225.0 | 2.9 | 0.758 | 0.3585 |
| -0.9 | 255.0 | 3.93 | 1.08 | 0.7898 |
| -0.9 | 285.0 | 3.96 | 1.02 | 0.8399 |
| -0.9 | 315.0 | 2.85 | 0.694 | 0.1823 |
| -0.9 | 345.0 | 1.3 | 0.413 | 0.2431 |
| -0.7 | 15.0 | 2.8 | 0.545 | 0.2375 |
| -0.7 | 45.0 | 4.01 | 0.77 | 0.4734 |
| -0.7 | 75.0 | 5.6 | 1.0 | 0.5235 |
| -0.7 | 105.0 | 4.62 | 0.973 | 0.4292 |
| -0.7 | 135.0 | 3.45 | 0.813 | 0.6987 |
| -0.7 | 165.0 | 2.76 | 0.603 | 0.299 |
| -0.7 | 195.0 | 2.08 | 0.451 | 0.1438 |
| -0.7 | 225.0 | 3.47 | 0.82 | 0.5684 |
| -0.7 | 255.0 | 5.41 | 1.04 | 0.3857 |
| -0.7 | 285.0 | 5.35 | 0.948 | 0.192 |
| -0.7 | 315.0 | 3.62 | 0.68 | 0.2985 |
| -0.7 | 345.0 | 2.32 | 0.468 | 0.2969 |
| -0.5 | 15.0 | 2.58 | 0.437 | 0.0691 |
| -0.5 | 45.0 | 3.55 | 0.49 | 0.3198 |
| -0.5 | 75.0 | 9.87 | 1.45 | 1.5129 |
| -0.5 | 105.0 | 5.91 | 1.47 | 1.0951 |
| -0.5 | 135.0 | 4.47 | 1.04 | 1.5617 |
| -0.5 | 165.0 | 2.97 | 0.614 | 0.2981 |
| -0.5 | 195.0 | 2.72 | 0.602 | 0.5065 |
| -0.5 | 225.0 | 3.15 | 0.851 | 0.1015 |
| -0.5 | 255.0 | 3.66 | 0.887 | 0.2975 |
| -0.5 | 285.0 | 6.54 | 0.971 | 0.7612 |
| -0.5 | 315.0 | 6.37 | 0.899 | 0.8111 |
| -0.5 | 345.0 | 3.29 | 0.525 | 0.1851 |
| -0.3 | 15.0 | 3.14 | 0.558 | 0.1244 |
| -0.3 | 45.0 | 6.79 | 0.869 | 0.2001 |
| -0.3 | 75.0 | 5.78 | 1.07 | 1.4185 |
| -0.3 | 105.0 | 14.0 | 3.54 | 0.7263 |
| -0.3 | 135.0 | 4.71 | 1.56 | 0.9687 |
| -0.3 | 165.0 | 2.68 | 0.647 | 0.6121 |
| -0.3 | 195.0 | 3.76 | 0.918 | 0.6904 |
| -0.3 | 225.0 | 3.05 | 1.1 | 1.8883 |
| -0.3 | 255.0 | 10.8 | 2.73 | 1.7052 |
| -0.3 | 285.0 | 6.44 | 1.15 | 1.0239 |
| -0.3 | 315.0 | 5.72 | 0.748 | 0.882 |
| -0.3 | 345.0 | 3.67 | 0.588 | 0.2912 |
| -0.1 | 15.0 | 4.57 | 0.682 | 0.1063 |
| -0.1 | 45.0 | 7.02 | 0.927 | 0.3267 |
| -0.1 | 75.0 | 8.68 | 1.68 | 0.9854 |
| -0.1 | 105.0 | 9.31 | 3.42 | 4.7725 |
| -0.1 | 135.0 | 3.72 | 2.04 | 1.048 |
| -0.1 | 165.0 | 3.56 | 0.939 | 0.2836 |
| -0.1 | 195.0 | 4.54 | 0.983 | 0.4887 |
| -0.1 | 225.0 | 9.81 | 4.06 | 0.7653 |
| -0.1 | 255.0 | 4.99 | 2.2 | 1.5904 |
| -0.1 | 285.0 | 8.1 | 1.5 | 0.7504 |
| -0.1 | 315.0 | 5.13 | 0.713 | 0.076 |
| -0.1 | 345.0 | 3.04 | 0.535 | 0.1305 |
| 0.1 | 15.0 | 3.09 | 0.541 | 0.2984 |
| 0.1 | 45.0 | 4.58 | 0.67 | 0.4001 |
| 0.1 | 75.0 | 8.01 | 1.84 | 0.9628 |
| 0.1 | 105.0 | 6.45 | 2.29 | 0.983 |
| 0.1 | 135.0 | 18.3 | 8.63 | 5.9401 |
| 0.1 | 165.0 | 2.3 | 0.712 | 0.172 |
| 0.1 | 195.0 | 5.33 | 1.21 | 0.7323 |
| 0.1 | 225.0 | 10.6 | 4.25 | 2.5711 |
| 0.1 | 255.0 | 8.06 | 2.28 | 1.8561 |
| 0.1 | 285.0 | 8.38 | 1.77 | 1.1582 |
| 0.1 | 315.0 | 5.78 | 0.747 | 0.1279 |
| 0.1 | 345.0 | 2.88 | 0.506 | 0.1315 |
| 0.3 | 15.0 | 2.89 | 0.505 | 0.0658 |
| 0.3 | 45.0 | 5.72 | 0.852 | 0.4733 |
| 0.3 | 75.0 | 7.51 | 1.75 | 0.9285 |
| 0.3 | 105.0 | 5.92 | 1.56 | 1.1861 |
| 0.3 | 135.0 | 8.97 | 3.06 | 4.8045 |
| 0.3 | 165.0 | 3.38 | 1.22 | 0.3451 |
| 0.3 | 195.0 | 5.36 | 1.57 | 0.4869 |
| 0.3 | 225.0 | 11.3 | 3.83 | 1.8577 |
| 0.3 | 255.0 | 9.44 | 2.24 | 0.3741 |
| 0.3 | 285.0 | 6.92 | 1.48 | 0.5542 |
| 0.3 | 315.0 | 4.25 | 0.623 | 0.158 |
| 0.3 | 345.0 | 2.28 | 0.411 | 0.5204 |
| 0.5 | 15.0 | 2.14 | 0.45 | 0.1616 |
| 0.5 | 45.0 | 4.07 | 0.664 | 0.2964 |
| 0.5 | 75.0 | 5.24 | 1.53 | 0.8309 |
| 0.5 | 105.0 | 6.3 | 1.59 | 0.7844 |
| 0.5 | 135.0 | 5.7 | 1.9 | 1.2092 |
| 0.5 | 165.0 | 3.91 | 1.28 | 1.5959 |
| 0.5 | 195.0 | 4.44 | 1.31 | 0.6403 |
| 0.5 | 225.0 | 8.55 | 2.64 | 2.0116 |
| 0.5 | 255.0 | 8.15 | 2.46 | 2.0097 |
| 0.5 | 285.0 | 5.16 | 1.24 | 0.4187 |
| 0.5 | 315.0 | 4.09 | 0.623 | 0.2075 |
| 0.5 | 345.0 | 3.25 | 0.633 | 0.0919 |
| 0.7 | 15.0 | 3.1 | 0.58 | 0.3435 |
| 0.7 | 45.0 | 3.68 | 0.632 | 0.4828 |
| 0.7 | 75.0 | 5.49 | 1.45 | 0.8258 |
| 0.7 | 105.0 | 3.71 | 1.14 | 1.5623 |
| 0.7 | 135.0 | 3.2 | 1.13 | 1.3484 |
| 0.7 | 165.0 | 4.35 | 1.38 | 1.3202 |
| 0.7 | 195.0 | 3.28 | 0.91 | 0.3166 |
| 0.7 | 225.0 | 3.69 | 1.34 | 1.0909 |
| 0.7 | 255.0 | 6.78 | 1.97 | 1.9795 |
| 0.7 | 285.0 | 5.74 | 1.25 | 1.0392 |
| 0.7 | 315.0 | 2.93 | 0.507 | 0.282 |
| 0.7 | 345.0 | 3.15 | 0.626 | 0.2435 |
| 0.9 | 15.0 | 2.29 | 0.591 | 0.1243 |
| 0.9 | 45.0 | 2.74 | 0.628 | 0.4438 |
| 0.9 | 75.0 | 3.63 | 0.812 | 0.4528 |
| 0.9 | 105.0 | 2.35 | 0.824 | 0.5129 |
| 0.9 | 135.0 | 4.49 | 1.66 | 0.9768 |
| 0.9 | 165.0 | 3.43 | 0.945 | 0.2951 |
| 0.9 | 195.0 | 2.1 | 0.53 | 0.3318 |
| 0.9 | 225.0 | 3.64 | 1.28 | 0.4324 |
| 0.9 | 255.0 | 3.32 | 0.976 | 0.351 |
| 0.9 | 285.0 | 2.33 | 0.562 | 0.3033 |
| 0.9 | 315.0 | 1.78 | 0.432 | 0.1412 |
| 0.9 | 345.0 | 2.04 | 0.62 | 0.5946 |
Experiment comment: