Measurement E9M206
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.34 GeV | |
| ε: | 0.825 | |
| 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 | 0.319 | 0.17 | 0.2979 |
| -0.9 | 45.0 | 1.21 | 0.443 | 0.1547 |
| -0.9 | 75.0 | 0.991 | 0.333 | 0.2086 |
| -0.9 | 105.0 | 0.4 | 0.162 | 0.5351 |
| -0.9 | 135.0 | 0.956 | 0.361 | 0.2126 |
| -0.9 | 165.0 | 1.68 | 0.581 | 0.3062 |
| -0.9 | 195.0 | 2.38 | 0.762 | 0.7902 |
| -0.9 | 225.0 | 1.79 | 0.584 | 0.3443 |
| -0.9 | 255.0 | 1.07 | 0.433 | 0.3773 |
| -0.9 | 285.0 | 0.89 | 0.334 | 0.1133 |
| -0.9 | 315.0 | 1.99 | 0.782 | 0.3492 |
| -0.9 | 345.0 | 0.968 | 0.328 | 0.0835 |
| -0.7 | 15.0 | 1.59 | 0.385 | 0.2611 |
| -0.7 | 45.0 | 2.43 | 0.552 | 0.2505 |
| -0.7 | 75.0 | 1.14 | 0.346 | 0.2488 |
| -0.7 | 105.0 | 2.12 | 0.59 | 0.1213 |
| -0.7 | 135.0 | 1.31 | 0.371 | 0.093 |
| -0.7 | 165.0 | 0.995 | 0.328 | 0.1779 |
| -0.7 | 195.0 | 1.89 | 0.5 | 0.4453 |
| -0.7 | 225.0 | 1.81 | 0.579 | 0.5366 |
| -0.7 | 255.0 | 1.95 | 0.598 | 0.5123 |
| -0.7 | 285.0 | 2.71 | 0.612 | 0.3381 |
| -0.7 | 315.0 | 2.17 | 0.489 | 0.3531 |
| -0.7 | 345.0 | 1.47 | 0.376 | 0.2382 |
| -0.5 | 15.0 | 1.05 | 0.258 | 0.1036 |
| -0.5 | 45.0 | 1.87 | 0.362 | 0.1849 |
| -0.5 | 75.0 | 2.71 | 0.718 | 0.2497 |
| -0.5 | 105.0 | 5.74 | 1.61 | 1.2388 |
| -0.5 | 135.0 | 1.9 | 0.862 | 1.0393 |
| -0.5 | 165.0 | 1.16 | 0.42 | 0.1785 |
| -0.5 | 195.0 | 2.46 | 0.736 | 0.4201 |
| -0.5 | 225.0 | 3.68 | 1.29 | 0.5238 |
| -0.5 | 255.0 | 4.05 | 1.27 | 1.0506 |
| -0.5 | 285.0 | 4.13 | 0.968 | 0.3639 |
| -0.5 | 315.0 | 2.35 | 0.441 | 0.3038 |
| -0.5 | 345.0 | 1.24 | 0.296 | 0.1136 |
| -0.3 | 15.0 | 2.41 | 0.449 | 0.2201 |
| -0.3 | 45.0 | 2.79 | 0.476 | 0.2346 |
| -0.3 | 75.0 | 5.07 | 1.28 | 0.3981 |
| -0.3 | 105.0 | 4.07 | 1.5 | 1.7468 |
| -0.3 | 135.0 | 4.95 | 2.43 | 1.3922 |
| -0.3 | 165.0 | 2.71 | 0.861 | 0.5405 |
| -0.3 | 195.0 | 2.54 | 0.863 | 0.6289 |
| -0.3 | 225.0 | 5.52 | 4.79 | 3.2137 |
| -0.3 | 255.0 | 3.73 | 1.4 | 1.7588 |
| -0.3 | 285.0 | 3.02 | 0.723 | 0.2664 |
| -0.3 | 315.0 | 4.47 | 0.705 | 0.3899 |
| -0.3 | 345.0 | 2.33 | 0.456 | 0.2909 |
| -0.1 | 15.0 | 1.93 | 0.395 | 0.1243 |
| -0.1 | 45.0 | 2.33 | 0.405 | 0.1875 |
| -0.1 | 75.0 | 6.42 | 1.67 | 0.3451 |
| -0.1 | 105.0 | 8.5 | 2.97 | 2.5446 |
| -0.1 | 135.0 | 9.86 | 5.12 | 2.9285 |
| -0.1 | 165.0 | 2.47 | 0.931 | 0.4576 |
| -0.1 | 195.0 | 1.82 | 0.755 | 0.3507 |
| -0.1 | 225.0 | 4.32 | 2.14 | 0.7467 |
| -0.1 | 255.0 | 6.95 | 2.07 | 0.3136 |
| -0.1 | 285.0 | 4.52 | 1.19 | 0.2565 |
| -0.1 | 315.0 | 3.39 | 0.59 | 0.2268 |
| -0.1 | 345.0 | 2.58 | 0.501 | 0.2391 |
| 0.1 | 15.0 | 2.24 | 0.479 | 0.3712 |
| 0.1 | 45.0 | 3.23 | 0.517 | 0.5064 |
| 0.1 | 75.0 | 3.15 | 0.969 | 0.2632 |
| 0.1 | 105.0 | 4.25 | 1.16 | 0.6622 |
| 0.1 | 135.0 | 2.55 | 0.838 | 1.0114 |
| 0.1 | 165.0 | 2.06 | 1.0 | 0.6162 |
| 0.1 | 195.0 | 2.69 | 1.12 | 0.5275 |
| 0.1 | 225.0 | 2.66 | 1.08 | 0.2708 |
| 0.1 | 255.0 | 4.51 | 1.16 | 0.4643 |
| 0.1 | 285.0 | 1.59 | 0.537 | 0.4516 |
| 0.1 | 315.0 | 4.27 | 0.711 | 0.3502 |
| 0.1 | 345.0 | 2.55 | 0.487 | 0.268 |
| 0.3 | 15.0 | 1.71 | 0.361 | 0.1853 |
| 0.3 | 45.0 | 2.04 | 0.42 | 0.1097 |
| 0.3 | 75.0 | 2.21 | 0.761 | 0.3944 |
| 0.3 | 105.0 | 4.6 | 1.14 | 0.3031 |
| 0.3 | 135.0 | 3.51 | 1.25 | 0.4068 |
| 0.3 | 165.0 | 0.969 | 0.747 | 0.4781 |
| 0.3 | 195.0 | 5.47 | 2.68 | 1.1882 |
| 0.3 | 225.0 | 2.07 | 0.776 | 0.1301 |
| 0.3 | 255.0 | 1.68 | 0.474 | 0.568 |
| 0.3 | 285.0 | 4.01 | 1.04 | 0.4438 |
| 0.3 | 315.0 | 2.32 | 0.446 | 0.3913 |
| 0.3 | 345.0 | 1.73 | 0.424 | 0.0714 |
| 0.5 | 15.0 | 2.01 | 0.401 | 0.2034 |
| 0.5 | 45.0 | 2.16 | 0.466 | 0.0957 |
| 0.5 | 75.0 | 1.89 | 0.613 | 0.1544 |
| 0.5 | 105.0 | 6.34 | 1.8 | 1.5748 |
| 0.5 | 135.0 | 4.77 | 1.65 | 1.4986 |
| 0.5 | 165.0 | 5.64 | 2.77 | 0.8256 |
| 0.5 | 195.0 | 6.6 | 2.86 | 2.0436 |
| 0.5 | 225.0 | 2.24 | 0.824 | 0.4904 |
| 0.5 | 255.0 | 7.26 | 1.85 | 2.2344 |
| 0.5 | 285.0 | 2.89 | 0.835 | 0.2244 |
| 0.5 | 315.0 | 2.25 | 0.479 | 0.2605 |
| 0.5 | 345.0 | 1.61 | 0.357 | 0.705 |
| 0.7 | 15.0 | 1.49 | 0.403 | 0.1426 |
| 0.7 | 45.0 | 1.5 | 0.442 | 0.2748 |
| 0.7 | 75.0 | 1.71 | 0.63 | 0.2027 |
| 0.7 | 105.0 | 1.1 | 0.413 | 0.1643 |
| 0.7 | 135.0 | 4.09 | 1.53 | 1.1936 |
| 0.7 | 165.0 | 3.14 | 1.91 | 0.8808 |
| 0.7 | 195.0 | 2.0 | 0.871 | 0.6585 |
| 0.7 | 225.0 | 4.49 | 1.73 | 1.1069 |
| 0.7 | 255.0 | 2.36 | 0.814 | 0.4104 |
| 0.7 | 285.0 | 0.615 | 0.273 | 0.3127 |
| 0.7 | 315.0 | 1.93 | 0.404 | 0.3331 |
| 0.7 | 345.0 | 1.14 | 0.33 | 0.0568 |
| 0.9 | 15.0 | 1.38 | 0.441 | 0.2526 |
| 0.9 | 45.0 | 1.21 | 0.417 | 0.1823 |
| 0.9 | 75.0 | 1.78 | 0.653 | 0.7258 |
| 0.9 | 105.0 | 1.59 | 0.555 | 0.6933 |
| 0.9 | 135.0 | 3.25 | 1.55 | 1.3895 |
| 0.9 | 165.0 | 2.01 | 0.928 | 0.7028 |
| 0.9 | 195.0 | 2.5 | 0.804 | 0.5767 |
| 0.9 | 225.0 | 1.32 | 0.782 | 0.4955 |
| 0.9 | 255.0 | 0.52 | 0.339 | 0.3422 |
| 0.9 | 285.0 | 0.944 | 0.299 | 0.7886 |
| 0.9 | 315.0 | 0.908 | 0.267 | 0.2407 |
| 0.9 | 345.0 | 0.632 | 0.272 | 0.1435 |
Experiment comment: