Measurement E9M135
| 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: | 1.18 GeV | |
| ε: | 0.701 | |
| 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 | 6.32 | 2.35 | 0.9865 |
| -0.9 | 45.0 | 6.27 | 1.91 | 0.8251 |
| -0.9 | 75.0 | 7.14 | 2.47 | 1.3841 |
| -0.9 | 105.0 | 4.94 | 1.75 | 0.8752 |
| -0.9 | 135.0 | 1.85 | 0.704 | 1.6568 |
| -0.9 | 165.0 | 9.74 | 3.34 | 3.4426 |
| -0.9 | 195.0 | 3.02 | 1.06 | 1.0083 |
| -0.9 | 225.0 | 3.75 | 1.48 | 0.7523 |
| -0.9 | 255.0 | 4.53 | 1.52 | 1.4438 |
| -0.9 | 285.0 | 9.05 | 2.76 | 2.218 |
| -0.9 | 315.0 | 2.71 | 0.882 | 0.8092 |
| -0.9 | 345.0 | 4.3 | 1.34 | 0.6175 |
| -0.7 | 15.0 | 8.71 | 2.33 | 0.67 |
| -0.7 | 45.0 | 8.82 | 2.46 | 1.3451 |
| -0.7 | 75.0 | 8.93 | 2.47 | 1.0576 |
| -0.7 | 105.0 | 10.4 | 2.39 | 0.7382 |
| -0.7 | 135.0 | 6.43 | 2.0 | 0.5561 |
| -0.7 | 165.0 | 8.1 | 2.22 | 1.1271 |
| -0.7 | 195.0 | 4.86 | 1.46 | 0.8925 |
| -0.7 | 225.0 | 5.72 | 1.74 | 0.5446 |
| -0.7 | 255.0 | 8.01 | 2.35 | 2.191 |
| -0.7 | 285.0 | 8.06 | 2.5 | 1.4 |
| -0.7 | 315.0 | 5.75 | 1.63 | 1.0752 |
| -0.7 | 345.0 | 3.42 | 1.05 | 0.336 |
| -0.5 | 15.0 | 4.57 | 1.28 | 0.9038 |
| -0.5 | 45.0 | 11.6 | 2.77 | 2.0646 |
| -0.5 | 75.0 | 7.21 | 1.81 | 1.1202 |
| -0.5 | 105.0 | 11.9 | 2.87 | 1.9951 |
| -0.5 | 135.0 | 9.11 | 2.37 | 1.3745 |
| -0.5 | 165.0 | 3.95 | 1.09 | 0.7292 |
| -0.5 | 195.0 | 4.13 | 1.31 | 0.0997 |
| -0.5 | 225.0 | 3.46 | 1.16 | 0.2804 |
| -0.5 | 255.0 | 11.6 | 3.02 | 1.3739 |
| -0.5 | 285.0 | 8.6 | 2.14 | 1.3297 |
| -0.5 | 315.0 | 11.5 | 3.19 | 2.5638 |
| -0.5 | 345.0 | 5.65 | 1.33 | 0.7954 |
| -0.3 | 15.0 | 3.7 | 1.17 | 0.6781 |
| -0.3 | 45.0 | 8.63 | 2.23 | 0.7147 |
| -0.3 | 75.0 | 15.4 | 3.72 | 2.3843 |
| -0.3 | 105.0 | 11.0 | 2.69 | 2.0087 |
| -0.3 | 135.0 | 6.7 | 2.31 | 1.3248 |
| -0.3 | 165.0 | 7.42 | 1.93 | 1.3325 |
| -0.3 | 195.0 | 5.43 | 1.47 | 0.5151 |
| -0.3 | 225.0 | 5.44 | 1.38 | 1.2666 |
| -0.3 | 255.0 | 10.6 | 2.48 | 2.413 |
| -0.3 | 285.0 | 11.5 | 2.76 | 1.267 |
| -0.3 | 315.0 | 4.31 | 1.39 | 0.5575 |
| -0.3 | 345.0 | 7.09 | 1.82 | 0.9266 |
| -0.1 | 15.0 | 5.62 | 1.31 | 0.8912 |
| -0.1 | 45.0 | 8.36 | 2.03 | 0.7997 |
| -0.1 | 75.0 | 7.44 | 1.96 | 1.7553 |
| -0.1 | 105.0 | 21.0 | 4.37 | 2.4135 |
| -0.1 | 135.0 | 6.42 | 1.99 | 0.5677 |
| -0.1 | 165.0 | 9.05 | 2.28 | 1.6361 |
| -0.1 | 195.0 | 11.2 | 2.38 | 2.1754 |
| -0.1 | 225.0 | 4.26 | 1.7 | 0.593 |
| -0.1 | 255.0 | 8.23 | 2.03 | 0.2333 |
| -0.1 | 285.0 | 8.22 | 2.05 | 1.0951 |
| -0.1 | 315.0 | 8.73 | 2.0 | 0.628 |
| -0.1 | 345.0 | 4.68 | 1.26 | 0.4029 |
| 0.1 | 15.0 | 9.63 | 1.96 | 0.3127 |
| 0.1 | 45.0 | 7.06 | 1.79 | 0.5829 |
| 0.1 | 75.0 | 6.43 | 1.71 | 2.1865 |
| 0.1 | 105.0 | 10.3 | 2.43 | 0.6041 |
| 0.1 | 135.0 | 14.5 | 3.42 | 1.0428 |
| 0.1 | 165.0 | 4.39 | 1.48 | 0.9438 |
| 0.1 | 195.0 | 6.31 | 1.41 | 3.7979 |
| 0.1 | 225.0 | 10.7 | 2.74 | 0.6318 |
| 0.1 | 255.0 | 9.66 | 2.36 | 1.685 |
| 0.1 | 285.0 | 8.87 | 2.22 | 0.8816 |
| 0.1 | 315.0 | 8.74 | 2.31 | 0.3499 |
| 0.1 | 345.0 | 6.34 | 1.57 | 0.9519 |
| 0.3 | 15.0 | 3.79 | 1.02 | 0.6235 |
| 0.3 | 45.0 | 6.1 | 1.61 | 0.6528 |
| 0.3 | 75.0 | 6.31 | 1.92 | 0.6034 |
| 0.3 | 105.0 | 9.88 | 2.71 | 0.7528 |
| 0.3 | 135.0 | 17.2 | 4.52 | 4.6353 |
| 0.3 | 165.0 | 11.0 | 2.24 | 1.5297 |
| 0.3 | 195.0 | 10.2 | 2.08 | 1.3922 |
| 0.3 | 225.0 | 11.2 | 2.7 | 1.24 |
| 0.3 | 255.0 | 11.0 | 2.83 | 1.3927 |
| 0.3 | 285.0 | 15.0 | 3.83 | 2.5739 |
| 0.3 | 315.0 | 6.08 | 1.62 | 0.4334 |
| 0.3 | 345.0 | 8.81 | 2.09 | 1.7301 |
| 0.5 | 15.0 | 6.63 | 1.67 | 0.4693 |
| 0.5 | 45.0 | 7.46 | 1.86 | 0.8375 |
| 0.5 | 75.0 | 5.89 | 1.83 | 0.7062 |
| 0.5 | 105.0 | 10.2 | 2.41 | 3.5295 |
| 0.5 | 135.0 | 9.67 | 2.39 | 1.4948 |
| 0.5 | 165.0 | 9.88 | 2.22 | 0.7907 |
| 0.5 | 195.0 | 12.7 | 3.0 | 2.8473 |
| 0.5 | 225.0 | 12.1 | 2.99 | 1.1811 |
| 0.5 | 255.0 | 14.1 | 3.58 | 2.3249 |
| 0.5 | 285.0 | 11.8 | 3.03 | 0.6745 |
| 0.5 | 315.0 | 6.85 | 1.66 | 0.2747 |
| 0.5 | 345.0 | 4.64 | 1.33 | 1.1311 |
| 0.7 | 15.0 | 3.73 | 0.974 | 1.4099 |
| 0.7 | 45.0 | 4.1 | 1.2 | 1.2546 |
| 0.7 | 75.0 | 7.77 | 1.77 | 1.623 |
| 0.7 | 105.0 | 11.2 | 3.05 | 1.7241 |
| 0.7 | 135.0 | 13.5 | 3.19 | 0.9341 |
| 0.7 | 165.0 | 10.6 | 2.28 | 1.3117 |
| 0.7 | 195.0 | 9.58 | 2.32 | 0.7835 |
| 0.7 | 225.0 | 21.0 | 4.7 | 5.9867 |
| 0.7 | 255.0 | 7.01 | 2.13 | 1.0479 |
| 0.7 | 285.0 | 12.2 | 3.06 | 1.7492 |
| 0.7 | 315.0 | 3.95 | 1.12 | 1.7084 |
| 0.7 | 345.0 | 6.12 | 1.75 | 1.0828 |
| 0.9 | 15.0 | 5.56 | 1.66 | 0.4172 |
| 0.9 | 45.0 | 6.79 | 1.94 | 1.9078 |
| 0.9 | 75.0 | 8.65 | 2.78 | 0.5844 |
| 0.9 | 105.0 | 10.8 | 3.23 | 1.5029 |
| 0.9 | 135.0 | 18.1 | 4.58 | 2.6898 |
| 0.9 | 165.0 | 8.73 | 2.23 | 0.9608 |
| 0.9 | 195.0 | 12.6 | 3.06 | 1.5766 |
| 0.9 | 225.0 | 5.81 | 1.79 | 1.5734 |
| 0.9 | 255.0 | 11.0 | 3.1 | 2.5685 |
| 0.9 | 285.0 | 8.87 | 2.45 | 1.0923 |
| 0.9 | 315.0 | 3.18 | 1.1 | 0.4977 |
| 0.9 | 345.0 | 7.18 | 2.16 | 0.4638 |
Experiment comment: