Measurement E9M165
| 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: | 1.12 GeV | |
| ε: | 0.904 | |
| 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 | 0.632 | 0.696 | 0.5377 |
| -0.9 | 45.0 | 3.46 | 2.23 | 1.8111 |
| -0.9 | 75.0 | 0.792 | 0.5 | 0.1885 |
| -0.9 | 105.0 | 0.85 | 0.905 | 1.5189 |
| -0.9 | 135.0 | 0.998 | 0.555 | 0.1475 |
| -0.9 | 165.0 | 1.78 | 1.08 | 0.6011 |
| -0.9 | 195.0 | 2.26 | 1.2 | 1.038 |
| -0.9 | 225.0 | 0.886 | 0.565 | 0.2577 |
| -0.9 | 255.0 | 0.743 | 0.817 | 0.7152 |
| -0.9 | 285.0 | 1.19 | 1.01 | 0.6588 |
| -0.9 | 315.0 | 0.233 | 0.245 | 0.2244 |
| -0.9 | 345.0 | 1.43 | 1.02 | 0.6525 |
| -0.7 | 15.0 | 0.758 | 0.445 | 0.5804 |
| -0.7 | 45.0 | 0.426 | 0.266 | 0.2674 |
| -0.7 | 75.0 | 0.755 | 0.394 | 0.3674 |
| -0.7 | 105.0 | 2.18 | 1.12 | 0.952 |
| -0.7 | 135.0 | 1.22 | 0.545 | 1.9155 |
| -0.7 | 165.0 | 2.07 | 1.02 | 0.6291 |
| -0.7 | 195.0 | 4.25 | 1.77 | 1.2006 |
| -0.7 | 225.0 | 2.09 | 0.83 | 0.556 |
| -0.7 | 255.0 | 1.13 | 0.562 | 0.1417 |
| -0.7 | 285.0 | 0.912 | 0.511 | 0.2469 |
| -0.7 | 315.0 | 0.397 | 0.3 | 0.1793 |
| -0.7 | 345.0 | 0.554 | 0.611 | 0.6711 |
| -0.5 | 15.0 | 0.608 | 0.391 | 0.118 |
| -0.5 | 45.0 | 0.613 | 0.347 | 0.4068 |
| -0.5 | 75.0 | 3.29 | 1.29 | 1.1037 |
| -0.5 | 105.0 | 0.92 | 0.451 | 0.1773 |
| -0.5 | 135.0 | 1.49 | 0.92 | 0.5109 |
| -0.5 | 165.0 | 2.34 | 1.18 | 0.8151 |
| -0.5 | 195.0 | 0.952 | 0.506 | 0.4871 |
| -0.5 | 225.0 | 1.45 | 0.709 | 0.5785 |
| -0.5 | 255.0 | 1.83 | 0.659 | 0.2233 |
| -0.5 | 285.0 | 1.02 | 0.565 | 0.4979 |
| -0.5 | 315.0 | 0.917 | 0.526 | 0.1541 |
| -0.5 | 345.0 | 1.22 | 0.729 | 0.2433 |
| -0.3 | 15.0 | 0.45 | 0.25 | 0.1626 |
| -0.3 | 45.0 | 0.135 | 0.0993 | 0.5675 |
| -0.3 | 75.0 | 1.51 | 0.646 | 0.1293 |
| -0.3 | 105.0 | 1.64 | 0.649 | 0.797 |
| -0.3 | 135.0 | 2.83 | 0.951 | 0.4515 |
| -0.3 | 165.0 | 2.36 | 1.07 | 0.4532 |
| -0.3 | 195.0 | 4.13 | 1.56 | 0.4473 |
| -0.3 | 225.0 | 1.73 | 0.857 | 0.5741 |
| -0.3 | 255.0 | 2.18 | 0.925 | 0.7079 |
| -0.3 | 285.0 | 2.52 | 0.976 | 0.7114 |
| -0.3 | 315.0 | 1.33 | 0.624 | 0.5106 |
| -0.3 | 345.0 | 0.254 | 0.265 | 0.1277 |
| -0.1 | 15.0 | 0.995 | 0.412 | 0.564 |
| -0.1 | 45.0 | 1.9 | 0.927 | 0.5193 |
| -0.1 | 75.0 | 2.15 | 0.833 | 0.5012 |
| -0.1 | 105.0 | 5.23 | 2.25 | 0.9916 |
| -0.1 | 135.0 | 1.43 | 0.593 | 0.3148 |
| -0.1 | 165.0 | 2.88 | 1.02 | 0.6188 |
| -0.1 | 195.0 | 3.71 | 1.15 | 0.5846 |
| -0.1 | 225.0 | 3.82 | 1.47 | 0.8893 |
| -0.1 | 255.0 | 2.18 | 0.833 | 0.1851 |
| -0.1 | 285.0 | 1.23 | 0.55 | 0.5709 |
| -0.1 | 315.0 | 0.461 | 0.346 | 0.0466 |
| -0.1 | 345.0 | 1.34 | 0.592 | 0.2062 |
| 0.1 | 15.0 | 1.55 | 0.729 | 0.3349 |
| 0.1 | 45.0 | 0.842 | 0.421 | 0.0573 |
| 0.1 | 75.0 | 1.33 | 0.562 | 0.3027 |
| 0.1 | 105.0 | 1.57 | 0.581 | 0.578 |
| 0.1 | 135.0 | 2.58 | 0.878 | 0.1278 |
| 0.1 | 165.0 | 2.13 | 0.74 | 0.5804 |
| 0.1 | 195.0 | 3.57 | 1.1 | 0.3543 |
| 0.1 | 225.0 | 2.2 | 0.742 | 0.5209 |
| 0.1 | 255.0 | 2.66 | 1.03 | 0.7887 |
| 0.1 | 285.0 | 1.21 | 0.509 | 0.2134 |
| 0.1 | 315.0 | 0.9 | 0.49 | 0.2014 |
| 0.1 | 345.0 | 1.46 | 0.653 | 1.3623 |
| 0.3 | 15.0 | 1.46 | 0.677 | 0.2146 |
| 0.3 | 45.0 | 1.14 | 0.565 | 0.5881 |
| 0.3 | 75.0 | 1.68 | 0.787 | 0.1749 |
| 0.3 | 105.0 | 4.44 | 1.45 | 0.3779 |
| 0.3 | 135.0 | 3.38 | 0.915 | 1.5652 |
| 0.3 | 165.0 | 2.29 | 0.801 | 0.3188 |
| 0.3 | 195.0 | 3.73 | 1.43 | 1.1978 |
| 0.3 | 225.0 | 5.96 | 2.07 | 1.4405 |
| 0.3 | 255.0 | 2.66 | 1.01 | 0.1823 |
| 0.3 | 285.0 | 1.85 | 0.805 | 0.207 |
| 0.3 | 315.0 | 0.987 | 0.538 | 0.3397 |
| 0.3 | 345.0 | 1.77 | 1.04 | 3.7518 |
| 0.5 | 15.0 | 2.42 | 1.08 | 0.5346 |
| 0.5 | 45.0 | 0.514 | 0.273 | 0.1202 |
| 0.5 | 75.0 | 1.48 | 0.657 | 0.338 |
| 0.5 | 105.0 | 1.14 | 0.541 | 0.122 |
| 0.5 | 135.0 | 5.38 | 1.75 | 1.3028 |
| 0.5 | 165.0 | 2.36 | 0.772 | 0.6341 |
| 0.5 | 195.0 | 4.31 | 1.3 | 0.9992 |
| 0.5 | 225.0 | 3.23 | 1.11 | 0.3499 |
| 0.5 | 255.0 | 2.0 | 0.715 | 0.511 |
| 0.5 | 285.0 | 1.29 | 0.574 | 0.462 |
| 0.5 | 315.0 | 3.21 | 1.42 | 1.1291 |
| 0.5 | 345.0 | 2.06 | 0.878 | 0.3353 |
| 0.7 | 15.0 | 2.43 | 1.03 | 0.4703 |
| 0.7 | 45.0 | 2.05 | 0.962 | 0.3677 |
| 0.7 | 75.0 | 3.81 | 1.28 | 0.4189 |
| 0.7 | 105.0 | 1.29 | 0.565 | 0.2072 |
| 0.7 | 135.0 | 1.22 | 0.584 | 0.3518 |
| 0.7 | 165.0 | 2.64 | 0.841 | 0.6131 |
| 0.7 | 195.0 | 4.15 | 1.32 | 0.2337 |
| 0.7 | 225.0 | 3.2 | 1.07 | 0.8287 |
| 0.7 | 255.0 | 2.75 | 1.01 | 0.6361 |
| 0.7 | 285.0 | 1.71 | 0.667 | 0.6989 |
| 0.7 | 315.0 | 0.579 | 0.355 | 0.1362 |
| 0.7 | 345.0 | 5.72 | 2.74 | 2.1065 |
| 0.9 | 15.0 | 2.85 | 1.26 | 0.2222 |
| 0.9 | 45.0 | 2.22 | 0.964 | 0.3027 |
| 0.9 | 75.0 | 2.88 | 1.13 | 0.3501 |
| 0.9 | 105.0 | 2.28 | 0.971 | 0.478 |
| 0.9 | 135.0 | 2.88 | 1.0 | 0.5036 |
| 0.9 | 165.0 | 3.75 | 1.32 | 0.3538 |
| 0.9 | 195.0 | 4.04 | 1.38 | 0.4702 |
| 0.9 | 225.0 | 4.27 | 1.52 | 1.264 |
| 0.9 | 255.0 | 3.76 | 1.51 | 0.9236 |
| 0.9 | 285.0 | 6.8 | 2.56 | 1.8138 |
| 0.9 | 315.0 | 3.87 | 1.89 | 0.8388 |
| 0.9 | 345.0 | 0.828 | 0.454 | 0.4069 |
Experiment comment: