Measurement E9M155
| 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: | 1.2 GeV | |
| ε: | 0.615 | |
| 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 | 6.69 | 1.58 | 0.4466 |
| -0.9 | 45.0 | 3.9 | 1.17 | 0.6641 |
| -0.9 | 75.0 | 3.52 | 0.964 | 0.7829 |
| -0.9 | 105.0 | 4.7 | 1.26 | 0.8662 |
| -0.9 | 135.0 | 4.97 | 1.64 | 1.3348 |
| -0.9 | 165.0 | 2.83 | 0.858 | 0.5783 |
| -0.9 | 195.0 | 4.0 | 1.08 | 0.3447 |
| -0.9 | 225.0 | 3.89 | 0.978 | 1.26 |
| -0.9 | 255.0 | 2.43 | 0.765 | 0.6393 |
| -0.9 | 285.0 | 8.93 | 2.17 | 0.793 |
| -0.9 | 315.0 | 5.8 | 1.43 | 0.6282 |
| -0.9 | 345.0 | 3.5 | 0.827 | 0.5029 |
| -0.7 | 15.0 | 6.8 | 1.46 | 0.0955 |
| -0.7 | 45.0 | 8.89 | 1.99 | 1.9726 |
| -0.7 | 75.0 | 9.31 | 1.9 | 0.4063 |
| -0.7 | 105.0 | 6.53 | 1.58 | 1.3228 |
| -0.7 | 135.0 | 8.17 | 1.82 | 1.0845 |
| -0.7 | 165.0 | 5.78 | 1.47 | 0.9967 |
| -0.7 | 195.0 | 3.32 | 0.863 | 0.5386 |
| -0.7 | 225.0 | 9.25 | 2.17 | 1.14 |
| -0.7 | 255.0 | 8.09 | 1.95 | 0.9518 |
| -0.7 | 285.0 | 6.24 | 1.4 | 0.3991 |
| -0.7 | 315.0 | 6.36 | 1.49 | 0.5474 |
| -0.7 | 345.0 | 5.58 | 1.15 | 0.6412 |
| -0.5 | 15.0 | 5.12 | 1.08 | 0.3324 |
| -0.5 | 45.0 | 11.1 | 2.17 | 0.9943 |
| -0.5 | 75.0 | 12.4 | 2.32 | 1.9164 |
| -0.5 | 105.0 | 10.1 | 2.11 | 0.435 |
| -0.5 | 135.0 | 7.92 | 1.7 | 1.491 |
| -0.5 | 165.0 | 5.21 | 1.23 | 0.5387 |
| -0.5 | 195.0 | 7.89 | 1.68 | 0.4516 |
| -0.5 | 225.0 | 7.92 | 1.93 | 1.6063 |
| -0.5 | 255.0 | 13.3 | 2.84 | 2.5243 |
| -0.5 | 285.0 | 9.2 | 1.83 | 2.7372 |
| -0.5 | 315.0 | 9.49 | 1.88 | 0.609 |
| -0.5 | 345.0 | 6.72 | 1.47 | 0.8883 |
| -0.3 | 15.0 | 9.41 | 1.76 | 0.5105 |
| -0.3 | 45.0 | 11.7 | 2.25 | 0.3808 |
| -0.3 | 75.0 | 10.5 | 2.09 | 0.6964 |
| -0.3 | 105.0 | 13.8 | 2.75 | 1.0075 |
| -0.3 | 135.0 | 10.8 | 2.33 | 1.2323 |
| -0.3 | 165.0 | 7.07 | 1.4 | 0.3487 |
| -0.3 | 195.0 | 8.68 | 1.73 | 0.5908 |
| -0.3 | 225.0 | 11.6 | 2.46 | 0.1323 |
| -0.3 | 255.0 | 8.33 | 1.76 | 0.9289 |
| -0.3 | 285.0 | 10.3 | 2.01 | 0.5284 |
| -0.3 | 315.0 | 12.3 | 2.4 | 0.9014 |
| -0.3 | 345.0 | 8.03 | 1.46 | 0.7772 |
| -0.1 | 15.0 | 13.6 | 2.31 | 0.2345 |
| -0.1 | 45.0 | 12.5 | 2.35 | 0.669 |
| -0.1 | 75.0 | 12.2 | 2.28 | 0.3674 |
| -0.1 | 105.0 | 16.2 | 3.14 | 1.1113 |
| -0.1 | 135.0 | 19.0 | 4.2 | 4.0982 |
| -0.1 | 165.0 | 8.76 | 1.83 | 1.189 |
| -0.1 | 195.0 | 8.81 | 1.71 | 1.6127 |
| -0.1 | 225.0 | 12.7 | 2.67 | 1.3314 |
| -0.1 | 255.0 | 13.5 | 2.53 | 1.848 |
| -0.1 | 285.0 | 11.1 | 2.18 | 0.9311 |
| -0.1 | 315.0 | 6.81 | 1.42 | 2.1589 |
| -0.1 | 345.0 | 5.65 | 1.13 | 0.5755 |
| 0.1 | 15.0 | 6.6 | 1.3 | 0.5116 |
| 0.1 | 45.0 | 10.0 | 1.91 | 0.4541 |
| 0.1 | 75.0 | 16.0 | 2.92 | 2.4052 |
| 0.1 | 105.0 | 12.0 | 2.43 | 0.4093 |
| 0.1 | 135.0 | 11.8 | 2.79 | 1.5638 |
| 0.1 | 165.0 | 8.59 | 1.49 | 1.0134 |
| 0.1 | 195.0 | 11.6 | 2.21 | 0.9273 |
| 0.1 | 225.0 | 7.85 | 1.79 | 1.558 |
| 0.1 | 255.0 | 13.1 | 2.5 | 0.5172 |
| 0.1 | 285.0 | 8.61 | 1.91 | 0.4506 |
| 0.1 | 315.0 | 7.56 | 1.44 | 0.4355 |
| 0.1 | 345.0 | 9.51 | 1.73 | 0.5952 |
| 0.3 | 15.0 | 4.17 | 0.9 | 0.5831 |
| 0.3 | 45.0 | 8.37 | 1.66 | 2.0978 |
| 0.3 | 75.0 | 11.5 | 2.21 | 1.5648 |
| 0.3 | 105.0 | 14.6 | 2.83 | 2.2389 |
| 0.3 | 135.0 | 12.4 | 2.54 | 1.0759 |
| 0.3 | 165.0 | 3.9 | 0.901 | 1.0569 |
| 0.3 | 195.0 | 9.85 | 1.96 | 0.7225 |
| 0.3 | 225.0 | 8.7 | 1.98 | 0.2799 |
| 0.3 | 255.0 | 14.7 | 2.68 | 1.2217 |
| 0.3 | 285.0 | 11.0 | 1.97 | 0.9852 |
| 0.3 | 315.0 | 6.85 | 1.41 | 1.3572 |
| 0.3 | 345.0 | 8.51 | 1.54 | 0.6275 |
| 0.5 | 15.0 | 6.05 | 1.11 | 0.8937 |
| 0.5 | 45.0 | 7.32 | 1.64 | 0.0838 |
| 0.5 | 75.0 | 11.0 | 2.24 | 1.0733 |
| 0.5 | 105.0 | 8.26 | 1.78 | 3.8284 |
| 0.5 | 135.0 | 6.52 | 1.54 | 2.1066 |
| 0.5 | 165.0 | 10.1 | 1.91 | 1.1578 |
| 0.5 | 195.0 | 11.2 | 2.15 | 0.8146 |
| 0.5 | 225.0 | 13.1 | 2.88 | 0.7794 |
| 0.5 | 255.0 | 9.58 | 2.24 | 1.0526 |
| 0.5 | 285.0 | 8.77 | 1.82 | 0.7736 |
| 0.5 | 315.0 | 7.23 | 1.76 | 0.8485 |
| 0.5 | 345.0 | 4.21 | 0.909 | 0.2621 |
| 0.7 | 15.0 | 4.09 | 0.937 | 0.6049 |
| 0.7 | 45.0 | 12.8 | 2.79 | 1.7075 |
| 0.7 | 75.0 | 7.78 | 1.8 | 0.6989 |
| 0.7 | 105.0 | 14.9 | 2.71 | 1.9767 |
| 0.7 | 135.0 | 11.6 | 2.6 | 1.1565 |
| 0.7 | 165.0 | 8.48 | 1.84 | 0.9655 |
| 0.7 | 195.0 | 9.56 | 1.86 | 0.6091 |
| 0.7 | 225.0 | 5.29 | 1.39 | 0.9805 |
| 0.7 | 255.0 | 4.37 | 1.17 | 0.6863 |
| 0.7 | 285.0 | 9.87 | 2.18 | 0.957 |
| 0.7 | 315.0 | 8.81 | 2.08 | 1.6241 |
| 0.7 | 345.0 | 6.43 | 1.27 | 0.3915 |
| 0.9 | 15.0 | 7.5 | 1.71 | 1.3438 |
| 0.9 | 45.0 | 5.79 | 1.36 | 2.2742 |
| 0.9 | 75.0 | 10.3 | 2.39 | 1.8381 |
| 0.9 | 105.0 | 7.3 | 1.7 | 1.2418 |
| 0.9 | 135.0 | 5.52 | 1.36 | 1.1832 |
| 0.9 | 165.0 | 15.2 | 3.47 | 3.4172 |
| 0.9 | 195.0 | 8.98 | 1.88 | 0.726 |
| 0.9 | 225.0 | 7.66 | 1.77 | 0.5895 |
| 0.9 | 255.0 | 9.09 | 2.32 | 0.9805 |
| 0.9 | 285.0 | 8.74 | 2.15 | 1.0815 |
| 0.9 | 315.0 | 5.91 | 1.47 | 1.5184 |
| 0.9 | 345.0 | 7.37 | 1.74 | 0.966 |
Experiment comment: