Measurement E9M264
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.3 GeV | |
| ε: | 0.737 | |
| 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 | 1.01 | 0.288 | 0.2313 |
| -0.9 | 45.0 | 1.09 | 0.264 | 0.1102 |
| -0.9 | 75.0 | 0.695 | 0.186 | 0.2532 |
| -0.9 | 105.0 | 0.814 | 0.246 | 0.0636 |
| -0.9 | 135.0 | 1.57 | 0.422 | 0.2364 |
| -0.9 | 165.0 | 1.1 | 0.298 | 0.106 |
| -0.9 | 195.0 | 0.858 | 0.256 | 0.1597 |
| -0.9 | 225.0 | 1.81 | 0.526 | 0.3569 |
| -0.9 | 255.0 | 1.38 | 0.374 | 0.1136 |
| -0.9 | 285.0 | 0.772 | 0.218 | 0.1409 |
| -0.9 | 315.0 | 1.76 | 0.424 | 0.174 |
| -0.9 | 345.0 | 1.46 | 0.424 | 0.2837 |
| -0.7 | 15.0 | 1.84 | 0.368 | 0.2772 |
| -0.7 | 45.0 | 2.46 | 0.441 | 0.1508 |
| -0.7 | 75.0 | 1.84 | 0.358 | 0.1377 |
| -0.7 | 105.0 | 2.66 | 0.579 | 0.2019 |
| -0.7 | 135.0 | 1.37 | 0.325 | 0.377 |
| -0.7 | 165.0 | 0.939 | 0.239 | 0.107 |
| -0.7 | 195.0 | 1.09 | 0.247 | 0.1539 |
| -0.7 | 225.0 | 1.49 | 0.34 | 0.3638 |
| -0.7 | 255.0 | 2.24 | 0.426 | 0.2642 |
| -0.7 | 285.0 | 1.8 | 0.373 | 0.1494 |
| -0.7 | 315.0 | 2.25 | 0.409 | 0.3048 |
| -0.7 | 345.0 | 0.889 | 0.207 | 0.0579 |
| -0.5 | 15.0 | 2.06 | 0.396 | 0.33 |
| -0.5 | 45.0 | 1.87 | 0.325 | 0.2209 |
| -0.5 | 75.0 | 3.53 | 0.579 | 0.4831 |
| -0.5 | 105.0 | 3.25 | 0.604 | 0.4604 |
| -0.5 | 135.0 | 1.98 | 0.416 | 0.134 |
| -0.5 | 165.0 | 1.98 | 0.456 | 0.3537 |
| -0.5 | 195.0 | 1.45 | 0.321 | 0.4414 |
| -0.5 | 225.0 | 2.23 | 0.486 | 0.2245 |
| -0.5 | 255.0 | 4.49 | 0.794 | 0.4289 |
| -0.5 | 285.0 | 2.36 | 0.403 | 0.5928 |
| -0.5 | 315.0 | 2.27 | 0.385 | 0.3466 |
| -0.5 | 345.0 | 1.32 | 0.252 | 0.2335 |
| -0.3 | 15.0 | 1.71 | 0.282 | 0.0442 |
| -0.3 | 45.0 | 2.42 | 0.388 | 0.2961 |
| -0.3 | 75.0 | 4.08 | 0.667 | 0.4616 |
| -0.3 | 105.0 | 3.84 | 0.723 | 0.2216 |
| -0.3 | 135.0 | 2.34 | 0.54 | 0.2239 |
| -0.3 | 165.0 | 1.72 | 0.36 | 0.4465 |
| -0.3 | 195.0 | 2.13 | 0.458 | 0.246 |
| -0.3 | 225.0 | 2.29 | 0.531 | 0.2675 |
| -0.3 | 255.0 | 3.25 | 0.613 | 0.2319 |
| -0.3 | 285.0 | 4.29 | 0.644 | 0.5258 |
| -0.3 | 315.0 | 2.05 | 0.373 | 0.0991 |
| -0.3 | 345.0 | 2.03 | 0.353 | 0.1282 |
| -0.1 | 15.0 | 1.3 | 0.223 | 0.2758 |
| -0.1 | 45.0 | 3.26 | 0.498 | 0.2074 |
| -0.1 | 75.0 | 2.77 | 0.5 | 0.4948 |
| -0.1 | 105.0 | 3.67 | 0.672 | 0.9799 |
| -0.1 | 135.0 | 3.76 | 0.865 | 0.3387 |
| -0.1 | 165.0 | 2.5 | 0.513 | 0.2623 |
| -0.1 | 195.0 | 2.51 | 0.519 | 0.4031 |
| -0.1 | 225.0 | 3.28 | 0.804 | 0.4633 |
| -0.1 | 255.0 | 4.75 | 0.959 | 0.6696 |
| -0.1 | 285.0 | 3.71 | 0.628 | 0.2447 |
| -0.1 | 315.0 | 2.29 | 0.379 | 0.0492 |
| -0.1 | 345.0 | 1.72 | 0.283 | 0.5902 |
| 0.1 | 15.0 | 2.21 | 0.376 | 0.2499 |
| 0.1 | 45.0 | 2.39 | 0.394 | 0.052 |
| 0.1 | 75.0 | 3.93 | 0.652 | 0.51 |
| 0.1 | 105.0 | 4.98 | 0.934 | 0.5093 |
| 0.1 | 135.0 | 2.96 | 0.743 | 0.2351 |
| 0.1 | 165.0 | 1.76 | 0.455 | 0.371 |
| 0.1 | 195.0 | 3.71 | 0.755 | 0.4314 |
| 0.1 | 225.0 | 5.33 | 1.44 | 1.1622 |
| 0.1 | 255.0 | 6.12 | 1.1 | 0.8728 |
| 0.1 | 285.0 | 3.09 | 0.536 | 0.2268 |
| 0.1 | 315.0 | 2.5 | 0.422 | 0.4023 |
| 0.1 | 345.0 | 1.96 | 0.33 | 0.1202 |
| 0.3 | 15.0 | 2.39 | 0.396 | 0.1529 |
| 0.3 | 45.0 | 2.58 | 0.417 | 0.1651 |
| 0.3 | 75.0 | 4.27 | 0.761 | 0.2241 |
| 0.3 | 105.0 | 4.73 | 0.879 | 0.3556 |
| 0.3 | 135.0 | 2.12 | 0.62 | 0.2342 |
| 0.3 | 165.0 | 1.95 | 0.457 | 0.2392 |
| 0.3 | 195.0 | 2.11 | 0.522 | 0.3605 |
| 0.3 | 225.0 | 3.27 | 0.817 | 0.3082 |
| 0.3 | 255.0 | 4.57 | 0.86 | 0.5108 |
| 0.3 | 285.0 | 4.58 | 0.763 | 0.3702 |
| 0.3 | 315.0 | 2.19 | 0.349 | 0.2555 |
| 0.3 | 345.0 | 1.69 | 0.297 | 0.3578 |
| 0.5 | 15.0 | 1.76 | 0.332 | 0.1515 |
| 0.5 | 45.0 | 1.61 | 0.296 | 0.0384 |
| 0.5 | 75.0 | 2.02 | 0.4 | 0.2283 |
| 0.5 | 105.0 | 2.74 | 0.614 | 0.3263 |
| 0.5 | 135.0 | 3.58 | 0.98 | 0.4027 |
| 0.5 | 165.0 | 1.7 | 0.448 | 0.3377 |
| 0.5 | 195.0 | 2.06 | 0.492 | 0.4757 |
| 0.5 | 225.0 | 2.76 | 0.853 | 0.5648 |
| 0.5 | 255.0 | 3.04 | 0.642 | 0.2658 |
| 0.5 | 285.0 | 2.0 | 0.461 | 0.1665 |
| 0.5 | 315.0 | 2.18 | 0.376 | 0.1356 |
| 0.5 | 345.0 | 1.62 | 0.322 | 0.1558 |
| 0.7 | 15.0 | 1.82 | 0.375 | 0.2545 |
| 0.7 | 45.0 | 1.55 | 0.322 | 0.1592 |
| 0.7 | 75.0 | 1.69 | 0.424 | 0.179 |
| 0.7 | 105.0 | 2.77 | 0.625 | 0.2432 |
| 0.7 | 135.0 | 1.91 | 0.533 | 0.4312 |
| 0.7 | 165.0 | 1.93 | 0.502 | 0.3101 |
| 0.7 | 195.0 | 1.66 | 0.4 | 0.2729 |
| 0.7 | 225.0 | 2.87 | 0.743 | 0.2164 |
| 0.7 | 255.0 | 2.45 | 0.553 | 0.5762 |
| 0.7 | 285.0 | 2.25 | 0.489 | 0.1667 |
| 0.7 | 315.0 | 1.44 | 0.302 | 0.4264 |
| 0.7 | 345.0 | 1.31 | 0.286 | 0.0918 |
| 0.9 | 15.0 | 1.44 | 0.383 | 0.0968 |
| 0.9 | 45.0 | 0.952 | 0.282 | 0.1638 |
| 0.9 | 75.0 | 0.923 | 0.263 | 0.2409 |
| 0.9 | 105.0 | 2.84 | 0.804 | 0.4183 |
| 0.9 | 135.0 | 2.71 | 0.835 | 0.9736 |
| 0.9 | 165.0 | 3.17 | 0.813 | 0.8435 |
| 0.9 | 195.0 | 1.51 | 0.347 | 0.192 |
| 0.9 | 225.0 | 1.21 | 0.355 | 0.4306 |
| 0.9 | 255.0 | 2.56 | 0.733 | 0.2588 |
| 0.9 | 285.0 | 1.99 | 0.585 | 0.5756 |
| 0.9 | 315.0 | 1.47 | 0.381 | 0.2107 |
| 0.9 | 345.0 | 0.469 | 0.16 | 0.0372 |
Experiment comment: