Measurement E9M153
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.16 GeV | |
| ε: | 0.642 | |
| 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 | 2.76 | 1.17 | 0.7159 |
| -0.9 | 45.0 | 2.4 | 1.04 | 0.9812 |
| -0.9 | 75.0 | 4.25 | 1.4 | 0.8362 |
| -0.9 | 105.0 | 2.56 | 0.93 | 0.4435 |
| -0.9 | 135.0 | 3.03 | 1.56 | 0.7689 |
| -0.9 | 165.0 | 1.95 | 0.792 | 0.2513 |
| -0.9 | 195.0 | 3.49 | 1.4 | 0.3609 |
| -0.9 | 225.0 | 3.76 | 1.51 | 0.5215 |
| -0.9 | 255.0 | 1.46 | 0.588 | 0.8993 |
| -0.9 | 285.0 | 3.3 | 1.13 | 1.7977 |
| -0.9 | 315.0 | 3.45 | 1.37 | 0.9236 |
| -0.9 | 345.0 | 2.71 | 1.04 | 0.6904 |
| -0.7 | 15.0 | 2.2 | 0.79 | 0.2511 |
| -0.7 | 45.0 | 2.24 | 0.764 | 0.326 |
| -0.7 | 75.0 | 4.85 | 1.65 | 1.2467 |
| -0.7 | 105.0 | 1.21 | 0.58 | 0.7116 |
| -0.7 | 135.0 | 2.35 | 0.867 | 0.1286 |
| -0.7 | 165.0 | 2.06 | 0.723 | 0.1284 |
| -0.7 | 195.0 | 4.83 | 1.36 | 1.2746 |
| -0.7 | 225.0 | 1.81 | 0.682 | 0.292 |
| -0.7 | 255.0 | 2.27 | 0.942 | 0.2935 |
| -0.7 | 285.0 | 2.92 | 0.92 | 0.5456 |
| -0.7 | 315.0 | 2.79 | 0.928 | 0.7177 |
| -0.7 | 345.0 | 1.49 | 0.553 | 0.5603 |
| -0.5 | 15.0 | 1.3 | 0.628 | 0.4537 |
| -0.5 | 45.0 | 3.09 | 1.01 | 0.4968 |
| -0.5 | 75.0 | 3.18 | 1.14 | 0.497 |
| -0.5 | 105.0 | 4.06 | 1.38 | 0.6804 |
| -0.5 | 135.0 | 3.62 | 1.13 | 0.1354 |
| -0.5 | 165.0 | 4.56 | 1.28 | 0.3427 |
| -0.5 | 195.0 | 5.22 | 1.56 | 0.6337 |
| -0.5 | 225.0 | 3.35 | 1.19 | 1.1855 |
| -0.5 | 255.0 | 3.99 | 1.25 | 0.6141 |
| -0.5 | 285.0 | 3.2 | 0.979 | 0.5233 |
| -0.5 | 315.0 | 5.04 | 1.55 | 1.2161 |
| -0.5 | 345.0 | 3.79 | 1.1 | 0.0559 |
| -0.3 | 15.0 | 3.27 | 1.17 | 0.6343 |
| -0.3 | 45.0 | 1.17 | 0.554 | 0.043 |
| -0.3 | 75.0 | 4.16 | 1.18 | 0.589 |
| -0.3 | 105.0 | 8.1 | 2.68 | 2.9645 |
| -0.3 | 135.0 | 2.54 | 0.839 | 0.3026 |
| -0.3 | 165.0 | 2.85 | 0.95 | 0.4565 |
| -0.3 | 195.0 | 3.5 | 1.05 | 0.7794 |
| -0.3 | 225.0 | 6.97 | 1.88 | 0.5322 |
| -0.3 | 255.0 | 3.47 | 1.18 | 0.3123 |
| -0.3 | 285.0 | 3.9 | 1.21 | 0.3546 |
| -0.3 | 315.0 | 1.48 | 0.566 | 0.2933 |
| -0.3 | 345.0 | 3.63 | 0.925 | 0.555 |
| -0.1 | 15.0 | 2.27 | 0.726 | 0.1909 |
| -0.1 | 45.0 | 2.46 | 0.825 | 0.3264 |
| -0.1 | 75.0 | 3.28 | 1.05 | 0.112 |
| -0.1 | 105.0 | 5.33 | 1.89 | 0.716 |
| -0.1 | 135.0 | 4.45 | 1.32 | 0.436 |
| -0.1 | 165.0 | 6.31 | 1.67 | 1.1381 |
| -0.1 | 195.0 | 7.03 | 1.67 | 0.3923 |
| -0.1 | 225.0 | 8.05 | 2.32 | 1.4314 |
| -0.1 | 255.0 | 3.36 | 1.22 | 0.7827 |
| -0.1 | 285.0 | 4.25 | 1.38 | 0.3664 |
| -0.1 | 315.0 | 4.36 | 1.17 | 0.3118 |
| -0.1 | 345.0 | 3.02 | 0.96 | 0.271 |
| 0.1 | 15.0 | 2.45 | 0.801 | 0.3068 |
| 0.1 | 45.0 | 2.08 | 0.651 | 0.8315 |
| 0.1 | 75.0 | 5.39 | 1.55 | 0.206 |
| 0.1 | 105.0 | 2.44 | 0.843 | 0.3711 |
| 0.1 | 135.0 | 6.23 | 1.92 | 0.952 |
| 0.1 | 165.0 | 4.76 | 1.23 | 0.1984 |
| 0.1 | 195.0 | 4.35 | 1.17 | 0.5753 |
| 0.1 | 225.0 | 5.14 | 1.49 | 0.9275 |
| 0.1 | 255.0 | 3.18 | 1.05 | 0.6209 |
| 0.1 | 285.0 | 7.77 | 2.14 | 1.2177 |
| 0.1 | 315.0 | 2.01 | 0.716 | 0.1031 |
| 0.1 | 345.0 | 2.57 | 0.837 | 0.2468 |
| 0.3 | 15.0 | 4.13 | 1.18 | 1.0744 |
| 0.3 | 45.0 | 6.91 | 2.22 | 1.7784 |
| 0.3 | 75.0 | 7.18 | 2.13 | 1.76 |
| 0.3 | 105.0 | 7.25 | 2.14 | 0.8425 |
| 0.3 | 135.0 | 5.6 | 1.7 | 0.9217 |
| 0.3 | 165.0 | 8.23 | 2.08 | 2.0722 |
| 0.3 | 195.0 | 3.53 | 0.949 | 0.2998 |
| 0.3 | 225.0 | 5.38 | 1.4 | 3.3717 |
| 0.3 | 255.0 | 4.91 | 1.44 | 0.576 |
| 0.3 | 285.0 | 4.57 | 1.26 | 1.2508 |
| 0.3 | 315.0 | 6.64 | 1.96 | 1.2279 |
| 0.3 | 345.0 | 2.49 | 0.834 | 0.2731 |
| 0.5 | 15.0 | 2.96 | 0.853 | 0.5012 |
| 0.5 | 45.0 | 2.73 | 0.987 | 0.3662 |
| 0.5 | 75.0 | 4.54 | 1.45 | 0.5642 |
| 0.5 | 105.0 | 6.77 | 1.83 | 0.6482 |
| 0.5 | 135.0 | 9.04 | 2.19 | 1.8144 |
| 0.5 | 165.0 | 8.75 | 1.9 | 0.6448 |
| 0.5 | 195.0 | 8.57 | 2.24 | 2.0279 |
| 0.5 | 225.0 | 7.0 | 1.96 | 1.5619 |
| 0.5 | 255.0 | 4.41 | 1.07 | 2.4578 |
| 0.5 | 285.0 | 3.92 | 1.13 | 1.4236 |
| 0.5 | 315.0 | 4.65 | 1.52 | 1.4055 |
| 0.5 | 345.0 | 1.75 | 0.639 | 0.4223 |
| 0.7 | 15.0 | 2.79 | 0.951 | 0.623 |
| 0.7 | 45.0 | 3.01 | 1.12 | 0.7402 |
| 0.7 | 75.0 | 3.35 | 0.955 | 1.2632 |
| 0.7 | 105.0 | 2.66 | 0.878 | 0.5795 |
| 0.7 | 135.0 | 6.46 | 1.77 | 0.9284 |
| 0.7 | 165.0 | 4.35 | 1.22 | 1.4833 |
| 0.7 | 195.0 | 3.78 | 0.921 | 1.9951 |
| 0.7 | 225.0 | 4.16 | 1.24 | 0.8725 |
| 0.7 | 255.0 | 3.57 | 1.24 | 0.6779 |
| 0.7 | 285.0 | 2.42 | 0.804 | 1.0455 |
| 0.7 | 315.0 | 4.21 | 1.32 | 0.3845 |
| 0.7 | 345.0 | 4.28 | 1.27 | 1.0016 |
| 0.9 | 15.0 | 5.27 | 1.73 | 1.1967 |
| 0.9 | 45.0 | 2.52 | 1.0 | 0.282 |
| 0.9 | 75.0 | 3.12 | 1.27 | 0.7175 |
| 0.9 | 105.0 | 3.72 | 1.32 | 0.4016 |
| 0.9 | 135.0 | 3.73 | 1.19 | 0.6403 |
| 0.9 | 165.0 | 3.88 | 1.61 | 0.8912 |
| 0.9 | 195.0 | 8.26 | 2.19 | 1.793 |
| 0.9 | 225.0 | 4.23 | 1.36 | 0.7809 |
| 0.9 | 255.0 | 4.24 | 1.44 | 0.3284 |
| 0.9 | 285.0 | 5.07 | 1.64 | 0.7227 |
| 0.9 | 315.0 | 5.86 | 1.92 | 0.7462 |
| 0.9 | 345.0 | 3.77 | 1.3 | 0.379 |
Experiment comment: