Measurement E9M231
| 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: | 1.24 GeV | |
| ε: | 0.824 | |
| 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 | 4.01 | 0.685 | 0.3861 |
| -0.9 | 45.0 | 4.45 | 0.697 | 0.3292 |
| -0.9 | 75.0 | 5.38 | 0.876 | 0.2968 |
| -0.9 | 105.0 | 4.56 | 0.753 | 0.1214 |
| -0.9 | 135.0 | 6.05 | 0.998 | 1.0168 |
| -0.9 | 165.0 | 2.99 | 0.582 | 0.5501 |
| -0.9 | 195.0 | 2.7 | 0.598 | 0.3275 |
| -0.9 | 225.0 | 4.59 | 0.759 | 0.3549 |
| -0.9 | 255.0 | 6.5 | 1.02 | 1.0401 |
| -0.9 | 285.0 | 3.65 | 0.57 | 0.5473 |
| -0.9 | 315.0 | 5.56 | 0.859 | 0.3891 |
| -0.9 | 345.0 | 3.95 | 0.701 | 0.262 |
| -0.7 | 15.0 | 5.38 | 0.695 | 0.11 |
| -0.7 | 45.0 | 5.45 | 0.701 | 0.2272 |
| -0.7 | 75.0 | 8.06 | 0.927 | 0.4291 |
| -0.7 | 105.0 | 7.23 | 0.914 | 0.2608 |
| -0.7 | 135.0 | 5.95 | 0.82 | 0.5435 |
| -0.7 | 165.0 | 3.23 | 0.554 | 0.3819 |
| -0.7 | 195.0 | 3.07 | 0.533 | 0.4726 |
| -0.7 | 225.0 | 5.92 | 0.805 | 0.535 |
| -0.7 | 255.0 | 7.71 | 0.997 | 0.6157 |
| -0.7 | 285.0 | 5.79 | 0.731 | 0.2471 |
| -0.7 | 315.0 | 7.75 | 0.939 | 0.5255 |
| -0.7 | 345.0 | 4.77 | 0.597 | 0.1334 |
| -0.5 | 15.0 | 5.79 | 0.679 | 0.1289 |
| -0.5 | 45.0 | 9.86 | 1.03 | 0.8098 |
| -0.5 | 75.0 | 10.5 | 1.07 | 0.1323 |
| -0.5 | 105.0 | 13.8 | 1.6 | 1.6194 |
| -0.5 | 135.0 | 5.47 | 0.815 | 0.6158 |
| -0.5 | 165.0 | 3.47 | 0.524 | 0.361 |
| -0.5 | 195.0 | 3.35 | 0.491 | 0.1554 |
| -0.5 | 225.0 | 7.08 | 0.921 | 0.3139 |
| -0.5 | 255.0 | 9.29 | 1.12 | 0.7407 |
| -0.5 | 285.0 | 9.54 | 1.01 | 0.9743 |
| -0.5 | 315.0 | 8.14 | 0.855 | 0.3622 |
| -0.5 | 345.0 | 6.78 | 0.823 | 0.6987 |
| -0.3 | 15.0 | 4.47 | 0.563 | 0.327 |
| -0.3 | 45.0 | 11.8 | 1.18 | 1.657 |
| -0.3 | 75.0 | 12.8 | 1.32 | 0.5958 |
| -0.3 | 105.0 | 11.1 | 1.32 | 0.6856 |
| -0.3 | 135.0 | 10.1 | 1.27 | 0.477 |
| -0.3 | 165.0 | 6.85 | 0.867 | 0.835 |
| -0.3 | 195.0 | 3.78 | 0.527 | 0.3944 |
| -0.3 | 225.0 | 5.97 | 0.826 | 0.3943 |
| -0.3 | 255.0 | 13.2 | 1.43 | 0.5 |
| -0.3 | 285.0 | 10.1 | 1.05 | 0.5052 |
| -0.3 | 315.0 | 9.36 | 0.912 | 0.2241 |
| -0.3 | 345.0 | 5.27 | 0.615 | 0.2303 |
| -0.1 | 15.0 | 7.01 | 0.759 | 0.4073 |
| -0.1 | 45.0 | 9.5 | 0.961 | 0.5081 |
| -0.1 | 75.0 | 14.0 | 1.45 | 0.2398 |
| -0.1 | 105.0 | 11.9 | 1.41 | 1.6386 |
| -0.1 | 135.0 | 8.42 | 1.18 | 0.7038 |
| -0.1 | 165.0 | 6.7 | 0.803 | 0.5582 |
| -0.1 | 195.0 | 5.48 | 0.704 | 0.4255 |
| -0.1 | 225.0 | 8.83 | 1.14 | 0.5314 |
| -0.1 | 255.0 | 8.62 | 1.14 | 1.2498 |
| -0.1 | 285.0 | 10.5 | 1.13 | 0.7176 |
| -0.1 | 315.0 | 7.55 | 0.725 | 1.0134 |
| -0.1 | 345.0 | 6.76 | 0.769 | 0.2255 |
| 0.1 | 15.0 | 6.13 | 0.708 | 0.2108 |
| 0.1 | 45.0 | 10.1 | 1.0 | 0.8 |
| 0.1 | 75.0 | 14.4 | 1.49 | 0.4873 |
| 0.1 | 105.0 | 15.0 | 1.82 | 0.6423 |
| 0.1 | 135.0 | 10.6 | 1.47 | 1.1882 |
| 0.1 | 165.0 | 5.47 | 0.666 | 0.3224 |
| 0.1 | 195.0 | 5.14 | 0.639 | 0.566 |
| 0.1 | 225.0 | 10.5 | 1.35 | 0.6244 |
| 0.1 | 255.0 | 10.4 | 1.31 | 1.5871 |
| 0.1 | 285.0 | 15.1 | 1.52 | 0.3873 |
| 0.1 | 315.0 | 8.66 | 0.884 | 0.2482 |
| 0.1 | 345.0 | 5.69 | 0.66 | 0.1485 |
| 0.3 | 15.0 | 5.91 | 0.69 | 0.1566 |
| 0.3 | 45.0 | 7.75 | 0.809 | 0.3111 |
| 0.3 | 75.0 | 13.5 | 1.52 | 1.0308 |
| 0.3 | 105.0 | 11.9 | 1.63 | 0.4213 |
| 0.3 | 135.0 | 10.6 | 1.46 | 0.8068 |
| 0.3 | 165.0 | 7.81 | 0.92 | 0.5012 |
| 0.3 | 195.0 | 6.31 | 0.818 | 0.4381 |
| 0.3 | 225.0 | 9.99 | 1.36 | 0.5005 |
| 0.3 | 255.0 | 13.5 | 1.79 | 0.9579 |
| 0.3 | 285.0 | 13.0 | 1.43 | 1.1853 |
| 0.3 | 315.0 | 10.4 | 1.05 | 1.2945 |
| 0.3 | 345.0 | 6.55 | 0.758 | 0.2082 |
| 0.5 | 15.0 | 4.06 | 0.519 | 0.3507 |
| 0.5 | 45.0 | 6.09 | 0.703 | 0.4769 |
| 0.5 | 75.0 | 10.6 | 1.23 | 0.4257 |
| 0.5 | 105.0 | 12.2 | 1.62 | 0.3354 |
| 0.5 | 135.0 | 10.4 | 1.54 | 0.7282 |
| 0.5 | 165.0 | 7.87 | 0.974 | 0.4528 |
| 0.5 | 195.0 | 6.22 | 0.793 | 0.5016 |
| 0.5 | 225.0 | 7.82 | 1.17 | 0.5035 |
| 0.5 | 255.0 | 8.87 | 1.21 | 0.4925 |
| 0.5 | 285.0 | 10.2 | 1.14 | 0.4901 |
| 0.5 | 315.0 | 7.81 | 0.827 | 0.2632 |
| 0.5 | 345.0 | 4.86 | 0.619 | 0.1258 |
| 0.7 | 15.0 | 4.86 | 0.69 | 0.2859 |
| 0.7 | 45.0 | 6.04 | 0.734 | 0.7323 |
| 0.7 | 75.0 | 7.72 | 0.993 | 0.4711 |
| 0.7 | 105.0 | 6.5 | 0.967 | 1.3031 |
| 0.7 | 135.0 | 9.58 | 1.34 | 0.4635 |
| 0.7 | 165.0 | 6.87 | 0.869 | 1.0458 |
| 0.7 | 195.0 | 6.43 | 0.788 | 0.2969 |
| 0.7 | 225.0 | 9.84 | 1.31 | 1.7414 |
| 0.7 | 255.0 | 9.64 | 1.32 | 0.9885 |
| 0.7 | 285.0 | 9.78 | 1.14 | 0.6985 |
| 0.7 | 315.0 | 5.97 | 0.722 | 0.3664 |
| 0.7 | 345.0 | 3.19 | 0.498 | 0.2505 |
| 0.9 | 15.0 | 4.12 | 0.693 | 0.1438 |
| 0.9 | 45.0 | 3.74 | 0.549 | 0.6325 |
| 0.9 | 75.0 | 6.23 | 0.89 | 0.2712 |
| 0.9 | 105.0 | 7.57 | 1.08 | 0.8042 |
| 0.9 | 135.0 | 5.26 | 0.814 | 0.8302 |
| 0.9 | 165.0 | 5.56 | 0.837 | 1.0709 |
| 0.9 | 195.0 | 6.6 | 1.01 | 0.4273 |
| 0.9 | 225.0 | 4.09 | 0.713 | 0.4359 |
| 0.9 | 255.0 | 7.44 | 1.08 | 0.4177 |
| 0.9 | 285.0 | 7.0 | 1.0 | 1.085 |
| 0.9 | 315.0 | 4.46 | 0.701 | 0.3684 |
| 0.9 | 345.0 | 4.67 | 0.75 | 0.3713 |
Experiment comment: