Measurement E9M136
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.2 GeV | |
| ε: | 0.689 | |
| 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 | 5.99 | 1.73 | 0.3591 |
| -0.9 | 45.0 | 9.25 | 2.04 | 1.7209 |
| -0.9 | 75.0 | 6.99 | 1.65 | 1.7978 |
| -0.9 | 105.0 | 10.6 | 2.6 | 0.3775 |
| -0.9 | 135.0 | 4.17 | 1.19 | 0.8803 |
| -0.9 | 165.0 | 6.13 | 1.65 | 1.4686 |
| -0.9 | 195.0 | 4.43 | 1.38 | 0.6847 |
| -0.9 | 225.0 | 6.23 | 2.1 | 0.827 |
| -0.9 | 255.0 | 5.93 | 1.86 | 0.7587 |
| -0.9 | 285.0 | 12.3 | 2.65 | 1.4265 |
| -0.9 | 315.0 | 7.91 | 1.88 | 0.2595 |
| -0.9 | 345.0 | 6.66 | 2.01 | 1.0653 |
| -0.7 | 15.0 | 11.8 | 2.66 | 2.5203 |
| -0.7 | 45.0 | 7.25 | 1.62 | 1.9027 |
| -0.7 | 75.0 | 9.96 | 2.18 | 1.5458 |
| -0.7 | 105.0 | 7.58 | 2.07 | 0.7408 |
| -0.7 | 135.0 | 5.55 | 1.74 | 0.7982 |
| -0.7 | 165.0 | 5.57 | 1.36 | 0.7289 |
| -0.7 | 195.0 | 8.03 | 1.9 | 1.2922 |
| -0.7 | 225.0 | 8.68 | 2.32 | 0.9318 |
| -0.7 | 255.0 | 17.3 | 4.18 | 3.1385 |
| -0.7 | 285.0 | 13.3 | 2.54 | 2.8231 |
| -0.7 | 315.0 | 9.02 | 1.78 | 0.3344 |
| -0.7 | 345.0 | 10.4 | 2.22 | 1.2946 |
| -0.5 | 15.0 | 13.8 | 2.74 | 1.0524 |
| -0.5 | 45.0 | 8.35 | 1.85 | 1.5316 |
| -0.5 | 75.0 | 14.9 | 2.98 | 2.4653 |
| -0.5 | 105.0 | 10.1 | 2.28 | 1.3563 |
| -0.5 | 135.0 | 6.9 | 1.77 | 0.5093 |
| -0.5 | 165.0 | 7.99 | 1.78 | 0.3224 |
| -0.5 | 195.0 | 5.91 | 1.31 | 1.6926 |
| -0.5 | 225.0 | 16.2 | 3.67 | 0.7348 |
| -0.5 | 255.0 | 19.6 | 3.79 | 2.4331 |
| -0.5 | 285.0 | 14.4 | 2.81 | 0.2179 |
| -0.5 | 315.0 | 11.0 | 2.39 | 0.2449 |
| -0.5 | 345.0 | 11.7 | 2.4 | 1.5668 |
| -0.3 | 15.0 | 6.46 | 1.33 | 0.7661 |
| -0.3 | 45.0 | 14.1 | 3.13 | 2.6383 |
| -0.3 | 75.0 | 13.1 | 2.89 | 0.5745 |
| -0.3 | 105.0 | 20.8 | 4.79 | 5.4173 |
| -0.3 | 135.0 | 8.9 | 2.23 | 1.0522 |
| -0.3 | 165.0 | 7.73 | 1.59 | 1.8916 |
| -0.3 | 195.0 | 9.56 | 2.07 | 0.8955 |
| -0.3 | 225.0 | 12.1 | 2.45 | 1.8675 |
| -0.3 | 255.0 | 11.1 | 2.29 | 2.8535 |
| -0.3 | 285.0 | 18.2 | 3.74 | 3.106 |
| -0.3 | 315.0 | 12.4 | 2.47 | 1.4468 |
| -0.3 | 345.0 | 9.96 | 2.08 | 1.1278 |
| -0.1 | 15.0 | 10.9 | 2.25 | 1.5682 |
| -0.1 | 45.0 | 11.1 | 2.02 | 1.416 |
| -0.1 | 75.0 | 11.3 | 2.47 | 1.43 |
| -0.1 | 105.0 | 12.2 | 2.7 | 0.9592 |
| -0.1 | 135.0 | 12.3 | 3.05 | 0.6225 |
| -0.1 | 165.0 | 9.2 | 2.13 | 0.3807 |
| -0.1 | 195.0 | 8.8 | 2.02 | 1.4378 |
| -0.1 | 225.0 | 8.58 | 1.86 | 6.1668 |
| -0.1 | 255.0 | 17.7 | 3.47 | 1.2207 |
| -0.1 | 285.0 | 12.4 | 2.58 | 0.5172 |
| -0.1 | 315.0 | 12.8 | 2.63 | 1.4705 |
| -0.1 | 345.0 | 10.3 | 1.96 | 1.5532 |
| 0.1 | 15.0 | 13.2 | 2.39 | 2.4935 |
| 0.1 | 45.0 | 12.4 | 2.21 | 1.8755 |
| 0.1 | 75.0 | 21.9 | 4.13 | 1.1034 |
| 0.1 | 105.0 | 17.9 | 3.61 | 1.1456 |
| 0.1 | 135.0 | 15.2 | 3.52 | 1.3874 |
| 0.1 | 165.0 | 23.4 | 4.61 | 5.2844 |
| 0.1 | 195.0 | 14.2 | 2.65 | 0.8888 |
| 0.1 | 225.0 | 15.8 | 3.87 | 2.5889 |
| 0.1 | 255.0 | 14.0 | 3.03 | 1.2288 |
| 0.1 | 285.0 | 16.2 | 3.38 | 1.4169 |
| 0.1 | 315.0 | 8.21 | 1.82 | 0.2175 |
| 0.1 | 345.0 | 8.85 | 1.6 | 1.7807 |
| 0.3 | 15.0 | 5.81 | 1.46 | 0.3079 |
| 0.3 | 45.0 | 13.3 | 2.49 | 0.3202 |
| 0.3 | 75.0 | 18.9 | 3.8 | 1.255 |
| 0.3 | 105.0 | 9.66 | 2.34 | 1.4155 |
| 0.3 | 135.0 | 14.0 | 3.2 | 1.7073 |
| 0.3 | 165.0 | 10.6 | 2.13 | 2.1219 |
| 0.3 | 195.0 | 9.38 | 2.04 | 1.0304 |
| 0.3 | 225.0 | 20.9 | 4.5 | 0.8559 |
| 0.3 | 255.0 | 14.2 | 3.11 | 0.6614 |
| 0.3 | 285.0 | 21.2 | 4.11 | 1.4327 |
| 0.3 | 315.0 | 8.18 | 1.72 | 0.3288 |
| 0.3 | 345.0 | 9.84 | 1.96 | 0.422 |
| 0.5 | 15.0 | 7.02 | 1.47 | 0.6953 |
| 0.5 | 45.0 | 13.4 | 2.71 | 0.7762 |
| 0.5 | 75.0 | 8.21 | 2.04 | 0.9226 |
| 0.5 | 105.0 | 20.4 | 3.85 | 1.7628 |
| 0.5 | 135.0 | 19.2 | 4.17 | 2.485 |
| 0.5 | 165.0 | 12.7 | 2.7 | 1.8722 |
| 0.5 | 195.0 | 13.7 | 2.94 | 1.2933 |
| 0.5 | 225.0 | 11.9 | 2.91 | 0.851 |
| 0.5 | 255.0 | 13.6 | 2.84 | 1.0548 |
| 0.5 | 285.0 | 15.1 | 3.56 | 2.4531 |
| 0.5 | 315.0 | 13.2 | 2.52 | 1.5708 |
| 0.5 | 345.0 | 8.42 | 1.82 | 0.5524 |
| 0.7 | 15.0 | 6.93 | 1.58 | 0.901 |
| 0.7 | 45.0 | 6.97 | 1.64 | 0.4827 |
| 0.7 | 75.0 | 22.0 | 4.79 | 3.7957 |
| 0.7 | 105.0 | 16.9 | 3.74 | 1.3332 |
| 0.7 | 135.0 | 12.4 | 2.61 | 2.5627 |
| 0.7 | 165.0 | 16.8 | 3.49 | 2.8178 |
| 0.7 | 195.0 | 9.23 | 1.78 | 1.9388 |
| 0.7 | 225.0 | 16.3 | 3.56 | 2.1131 |
| 0.7 | 255.0 | 12.5 | 2.8 | 0.7053 |
| 0.7 | 285.0 | 18.2 | 4.05 | 1.8914 |
| 0.7 | 315.0 | 8.75 | 1.92 | 0.6763 |
| 0.7 | 345.0 | 3.92 | 0.993 | 0.857 |
| 0.9 | 15.0 | 8.51 | 2.24 | 0.6612 |
| 0.9 | 45.0 | 11.0 | 2.23 | 2.1575 |
| 0.9 | 75.0 | 9.27 | 2.4 | 1.252 |
| 0.9 | 105.0 | 14.1 | 3.26 | 2.0905 |
| 0.9 | 135.0 | 15.1 | 4.07 | 1.8815 |
| 0.9 | 165.0 | 12.4 | 2.59 | 2.0125 |
| 0.9 | 195.0 | 14.9 | 3.23 | 2.8675 |
| 0.9 | 225.0 | 15.3 | 3.44 | 1.6492 |
| 0.9 | 255.0 | 11.7 | 3.29 | 2.5871 |
| 0.9 | 285.0 | 12.7 | 3.11 | 2.0418 |
| 0.9 | 315.0 | 8.73 | 2.16 | 0.7729 |
| 0.9 | 345.0 | 11.8 | 3.21 | 3.1708 |
Experiment comment: