Measurement E9M233
| 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: | 1.28 GeV | |
| ε: | 0.81 | |
| 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 | 1.7 | 0.396 | 0.0716 |
| -0.9 | 45.0 | 2.42 | 0.47 | 0.2233 |
| -0.9 | 75.0 | 2.48 | 0.534 | 0.1894 |
| -0.9 | 105.0 | 2.8 | 0.55 | 0.1915 |
| -0.9 | 135.0 | 1.54 | 0.366 | 0.1816 |
| -0.9 | 165.0 | 2.29 | 0.557 | 0.4489 |
| -0.9 | 195.0 | 1.33 | 0.396 | 0.1742 |
| -0.9 | 225.0 | 1.5 | 0.369 | 0.2437 |
| -0.9 | 255.0 | 1.91 | 0.398 | 0.3652 |
| -0.9 | 285.0 | 2.93 | 0.563 | 0.3242 |
| -0.9 | 315.0 | 3.03 | 0.603 | 0.1429 |
| -0.9 | 345.0 | 2.4 | 0.571 | 0.4288 |
| -0.7 | 15.0 | 2.23 | 0.398 | 0.1815 |
| -0.7 | 45.0 | 3.72 | 0.551 | 0.3799 |
| -0.7 | 75.0 | 4.52 | 0.68 | 0.1492 |
| -0.7 | 105.0 | 4.81 | 0.675 | 0.4507 |
| -0.7 | 135.0 | 3.61 | 0.619 | 0.4768 |
| -0.7 | 165.0 | 1.28 | 0.298 | 0.1161 |
| -0.7 | 195.0 | 2.45 | 0.414 | 0.5749 |
| -0.7 | 225.0 | 2.42 | 0.463 | 0.1785 |
| -0.7 | 255.0 | 6.0 | 0.933 | 1.3124 |
| -0.7 | 285.0 | 3.46 | 0.539 | 0.4482 |
| -0.7 | 315.0 | 3.15 | 0.459 | 0.4384 |
| -0.7 | 345.0 | 1.97 | 0.338 | 0.2903 |
| -0.5 | 15.0 | 3.18 | 0.438 | 0.1394 |
| -0.5 | 45.0 | 5.9 | 0.755 | 0.8899 |
| -0.5 | 75.0 | 6.1 | 0.792 | 0.4162 |
| -0.5 | 105.0 | 7.91 | 1.11 | 1.1335 |
| -0.5 | 135.0 | 5.14 | 0.813 | 0.2072 |
| -0.5 | 165.0 | 1.52 | 0.288 | 0.3073 |
| -0.5 | 195.0 | 2.2 | 0.401 | 0.3701 |
| -0.5 | 225.0 | 2.94 | 0.539 | 0.1722 |
| -0.5 | 255.0 | 5.14 | 0.732 | 0.9078 |
| -0.5 | 285.0 | 7.42 | 0.937 | 0.4671 |
| -0.5 | 315.0 | 3.74 | 0.488 | 0.3031 |
| -0.5 | 345.0 | 2.35 | 0.332 | 0.1194 |
| -0.3 | 15.0 | 3.0 | 0.404 | 0.2868 |
| -0.3 | 45.0 | 5.28 | 0.634 | 0.3315 |
| -0.3 | 75.0 | 5.21 | 0.72 | 0.4867 |
| -0.3 | 105.0 | 6.9 | 1.08 | 1.4413 |
| -0.3 | 135.0 | 4.62 | 0.779 | 0.3743 |
| -0.3 | 165.0 | 3.12 | 0.562 | 0.5548 |
| -0.3 | 195.0 | 2.43 | 0.397 | 0.5288 |
| -0.3 | 225.0 | 4.33 | 0.762 | 1.2707 |
| -0.3 | 255.0 | 6.16 | 0.94 | 0.5285 |
| -0.3 | 285.0 | 8.23 | 1.12 | 0.5075 |
| -0.3 | 315.0 | 4.64 | 0.588 | 0.1321 |
| -0.3 | 345.0 | 3.14 | 0.423 | 0.1736 |
| -0.1 | 15.0 | 4.05 | 0.538 | 0.6488 |
| -0.1 | 45.0 | 5.5 | 0.617 | 0.197 |
| -0.1 | 75.0 | 7.18 | 1.06 | 0.3117 |
| -0.1 | 105.0 | 6.78 | 1.24 | 0.2918 |
| -0.1 | 135.0 | 8.24 | 1.75 | 2.1253 |
| -0.1 | 165.0 | 3.51 | 0.579 | 0.334 |
| -0.1 | 195.0 | 3.38 | 0.582 | 0.4482 |
| -0.1 | 225.0 | 4.68 | 0.958 | 0.4318 |
| -0.1 | 255.0 | 8.17 | 1.31 | 1.1803 |
| -0.1 | 285.0 | 7.24 | 0.985 | 0.6531 |
| -0.1 | 315.0 | 5.49 | 0.643 | 0.4009 |
| -0.1 | 345.0 | 3.7 | 0.476 | 0.2132 |
| 0.1 | 15.0 | 2.93 | 0.389 | 0.0912 |
| 0.1 | 45.0 | 4.99 | 0.599 | 0.3361 |
| 0.1 | 75.0 | 7.59 | 1.06 | 0.3165 |
| 0.1 | 105.0 | 8.46 | 1.56 | 1.0228 |
| 0.1 | 135.0 | 6.82 | 1.58 | 0.6811 |
| 0.1 | 165.0 | 2.71 | 0.474 | 0.7743 |
| 0.1 | 195.0 | 4.7 | 0.829 | 0.6993 |
| 0.1 | 225.0 | 4.11 | 0.859 | 1.3766 |
| 0.1 | 255.0 | 8.11 | 1.42 | 0.491 |
| 0.1 | 285.0 | 6.88 | 0.943 | 0.6099 |
| 0.1 | 315.0 | 6.63 | 0.725 | 0.4954 |
| 0.1 | 345.0 | 2.95 | 0.391 | 0.2026 |
| 0.3 | 15.0 | 2.97 | 0.384 | 0.5804 |
| 0.3 | 45.0 | 4.88 | 0.589 | 0.1901 |
| 0.3 | 75.0 | 5.88 | 0.918 | 0.4081 |
| 0.3 | 105.0 | 5.61 | 1.06 | 1.1396 |
| 0.3 | 135.0 | 3.82 | 1.02 | 0.417 |
| 0.3 | 165.0 | 3.72 | 0.581 | 0.3135 |
| 0.3 | 195.0 | 2.57 | 0.471 | 0.3839 |
| 0.3 | 225.0 | 4.82 | 1.16 | 0.4721 |
| 0.3 | 255.0 | 5.42 | 1.09 | 0.4589 |
| 0.3 | 285.0 | 5.54 | 0.792 | 1.5055 |
| 0.3 | 315.0 | 3.81 | 0.49 | 0.3656 |
| 0.3 | 345.0 | 3.25 | 0.424 | 0.1459 |
| 0.5 | 15.0 | 1.83 | 0.285 | 0.1432 |
| 0.5 | 45.0 | 2.97 | 0.404 | 0.2706 |
| 0.5 | 75.0 | 5.15 | 0.827 | 0.7367 |
| 0.5 | 105.0 | 5.78 | 1.03 | 1.3598 |
| 0.5 | 135.0 | 7.4 | 1.58 | 1.3684 |
| 0.5 | 165.0 | 2.98 | 0.528 | 0.386 |
| 0.5 | 195.0 | 4.94 | 0.864 | 0.9487 |
| 0.5 | 225.0 | 6.55 | 1.39 | 0.5215 |
| 0.5 | 255.0 | 9.99 | 1.69 | 0.4803 |
| 0.5 | 285.0 | 5.55 | 0.916 | 0.392 |
| 0.5 | 315.0 | 3.66 | 0.527 | 0.296 |
| 0.5 | 345.0 | 2.82 | 0.423 | 0.3065 |
| 0.7 | 15.0 | 1.76 | 0.308 | 0.1925 |
| 0.7 | 45.0 | 2.83 | 0.456 | 0.269 |
| 0.7 | 75.0 | 5.97 | 0.96 | 0.4095 |
| 0.7 | 105.0 | 4.14 | 0.906 | 0.6054 |
| 0.7 | 135.0 | 2.62 | 0.601 | 0.5182 |
| 0.7 | 165.0 | 4.22 | 0.759 | 0.4715 |
| 0.7 | 195.0 | 4.31 | 0.779 | 0.7092 |
| 0.7 | 225.0 | 3.2 | 0.702 | 0.236 |
| 0.7 | 255.0 | 5.49 | 1.05 | 0.5082 |
| 0.7 | 285.0 | 6.69 | 1.07 | 1.0326 |
| 0.7 | 315.0 | 3.38 | 0.493 | 0.292 |
| 0.7 | 345.0 | 1.92 | 0.329 | 0.0817 |
| 0.9 | 15.0 | 2.99 | 0.58 | 0.3979 |
| 0.9 | 45.0 | 2.52 | 0.443 | 0.2426 |
| 0.9 | 75.0 | 3.02 | 0.615 | 0.2442 |
| 0.9 | 105.0 | 2.25 | 0.507 | 0.458 |
| 0.9 | 135.0 | 3.28 | 0.677 | 0.2915 |
| 0.9 | 165.0 | 2.61 | 0.534 | 0.2349 |
| 0.9 | 195.0 | 2.94 | 0.58 | 0.2979 |
| 0.9 | 225.0 | 2.27 | 0.518 | 0.1938 |
| 0.9 | 255.0 | 3.25 | 0.708 | 0.4663 |
| 0.9 | 285.0 | 2.87 | 0.538 | 0.3171 |
| 0.9 | 315.0 | 2.31 | 0.449 | 0.238 |
| 0.9 | 345.0 | 4.04 | 0.846 | 1.2709 |
Experiment comment: