Measurement E9M111
| 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: | 1.16 GeV | |
| ε: | 0.757 | |
| 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 | 1.92 | 0.767 | 1.0972 |
| -0.9 | 45.0 | 3.89 | 1.38 | 0.2444 |
| -0.9 | 75.0 | 5.49 | 1.92 | 1.6257 |
| -0.9 | 105.0 | 13.1 | 4.97 | 4.0001 |
| -0.9 | 135.0 | 7.19 | 2.51 | 2.0901 |
| -0.9 | 165.0 | 3.16 | 1.0 | 0.51 |
| -0.9 | 195.0 | 2.34 | 0.864 | 1.6659 |
| -0.9 | 225.0 | 4.89 | 1.57 | 1.2225 |
| -0.9 | 255.0 | 1.84 | 0.77 | 0.7407 |
| -0.9 | 285.0 | 4.19 | 1.4 | 0.1427 |
| -0.9 | 315.0 | 4.86 | 1.72 | 1.1932 |
| -0.9 | 345.0 | 3.15 | 1.01 | 1.5655 |
| -0.7 | 15.0 | 4.15 | 1.35 | 0.8907 |
| -0.7 | 45.0 | 7.49 | 1.87 | 1.092 |
| -0.7 | 75.0 | 4.76 | 1.38 | 0.2493 |
| -0.7 | 105.0 | 7.65 | 2.03 | 0.8838 |
| -0.7 | 135.0 | 3.44 | 1.04 | 0.3816 |
| -0.7 | 165.0 | 3.18 | 1.0 | 0.9311 |
| -0.7 | 195.0 | 4.56 | 1.19 | 1.3283 |
| -0.7 | 225.0 | 4.99 | 1.46 | 0.4686 |
| -0.7 | 255.0 | 11.4 | 3.29 | 2.9117 |
| -0.7 | 285.0 | 6.13 | 1.54 | 0.7706 |
| -0.7 | 315.0 | 3.86 | 1.03 | 1.5155 |
| -0.7 | 345.0 | 3.63 | 0.945 | 0.5622 |
| -0.5 | 15.0 | 3.94 | 1.15 | 0.5859 |
| -0.5 | 45.0 | 2.98 | 0.943 | 0.5135 |
| -0.5 | 75.0 | 6.95 | 1.94 | 0.7498 |
| -0.5 | 105.0 | 5.58 | 1.62 | 0.7273 |
| -0.5 | 135.0 | 4.67 | 1.36 | 0.2909 |
| -0.5 | 165.0 | 4.3 | 1.19 | 0.778 |
| -0.5 | 195.0 | 6.35 | 1.51 | 1.1586 |
| -0.5 | 225.0 | 4.93 | 1.28 | 0.6461 |
| -0.5 | 255.0 | 5.42 | 1.42 | 0.5328 |
| -0.5 | 285.0 | 7.52 | 2.15 | 2.5668 |
| -0.5 | 315.0 | 5.86 | 1.58 | 1.0129 |
| -0.5 | 345.0 | 7.54 | 2.02 | 1.7193 |
| -0.3 | 15.0 | 8.6 | 2.13 | 2.274 |
| -0.3 | 45.0 | 5.17 | 1.27 | 0.7812 |
| -0.3 | 75.0 | 5.39 | 1.47 | 0.5829 |
| -0.3 | 105.0 | 2.74 | 0.918 | 0.6027 |
| -0.3 | 135.0 | 7.92 | 1.73 | 0.3817 |
| -0.3 | 165.0 | 9.04 | 2.11 | 0.8444 |
| -0.3 | 195.0 | 5.99 | 1.59 | 0.6015 |
| -0.3 | 225.0 | 8.22 | 2.05 | 1.0406 |
| -0.3 | 255.0 | 8.45 | 2.12 | 0.7546 |
| -0.3 | 285.0 | 11.2 | 2.71 | 1.451 |
| -0.3 | 315.0 | 5.76 | 1.39 | 0.4158 |
| -0.3 | 345.0 | 5.77 | 1.4 | 0.6385 |
| -0.1 | 15.0 | 3.67 | 0.906 | 0.2248 |
| -0.1 | 45.0 | 5.37 | 1.32 | 0.3709 |
| -0.1 | 75.0 | 7.73 | 2.06 | 1.2572 |
| -0.1 | 105.0 | 5.33 | 1.56 | 0.7245 |
| -0.1 | 135.0 | 10.6 | 2.3 | 1.164 |
| -0.1 | 165.0 | 7.96 | 1.73 | 1.7529 |
| -0.1 | 195.0 | 4.18 | 1.18 | 0.1498 |
| -0.1 | 225.0 | 8.47 | 2.17 | 1.496 |
| -0.1 | 255.0 | 6.95 | 1.77 | 0.9791 |
| -0.1 | 285.0 | 4.71 | 1.34 | 0.2137 |
| -0.1 | 315.0 | 4.26 | 1.06 | 0.6255 |
| -0.1 | 345.0 | 4.36 | 1.14 | 0.5446 |
| 0.1 | 15.0 | 3.43 | 0.911 | 0.2355 |
| 0.1 | 45.0 | 4.39 | 1.39 | 0.2001 |
| 0.1 | 75.0 | 7.44 | 1.96 | 0.7555 |
| 0.1 | 105.0 | 15.2 | 3.52 | 1.3601 |
| 0.1 | 135.0 | 15.0 | 3.17 | 1.0886 |
| 0.1 | 165.0 | 14.6 | 2.98 | 1.437 |
| 0.1 | 195.0 | 5.61 | 1.28 | 0.4951 |
| 0.1 | 225.0 | 11.0 | 2.55 | 1.2629 |
| 0.1 | 255.0 | 10.3 | 3.16 | 1.622 |
| 0.1 | 285.0 | 7.07 | 1.83 | 0.9684 |
| 0.1 | 315.0 | 7.24 | 1.7 | 0.5872 |
| 0.1 | 345.0 | 3.79 | 1.04 | 0.3534 |
| 0.3 | 15.0 | 5.68 | 1.56 | 0.515 |
| 0.3 | 45.0 | 5.36 | 1.43 | 0.5794 |
| 0.3 | 75.0 | 6.61 | 1.87 | 0.9133 |
| 0.3 | 105.0 | 14.6 | 3.71 | 1.614 |
| 0.3 | 135.0 | 9.32 | 2.08 | 0.7093 |
| 0.3 | 165.0 | 13.1 | 2.6 | 1.6896 |
| 0.3 | 195.0 | 7.04 | 1.61 | 1.0971 |
| 0.3 | 225.0 | 8.55 | 2.09 | 0.8512 |
| 0.3 | 255.0 | 7.25 | 2.02 | 0.3304 |
| 0.3 | 285.0 | 6.1 | 1.79 | 0.361 |
| 0.3 | 315.0 | 5.15 | 1.42 | 0.0673 |
| 0.3 | 345.0 | 3.33 | 0.867 | 0.2298 |
| 0.5 | 15.0 | 3.64 | 0.965 | 0.1745 |
| 0.5 | 45.0 | 5.05 | 1.23 | 0.5614 |
| 0.5 | 75.0 | 5.13 | 1.66 | 0.6813 |
| 0.5 | 105.0 | 4.91 | 1.38 | 2.1163 |
| 0.5 | 135.0 | 7.63 | 2.1 | 1.5343 |
| 0.5 | 165.0 | 4.88 | 1.3 | 0.3461 |
| 0.5 | 195.0 | 7.64 | 1.57 | 0.5226 |
| 0.5 | 225.0 | 9.85 | 2.35 | 0.9049 |
| 0.5 | 255.0 | 7.01 | 1.75 | 0.7631 |
| 0.5 | 285.0 | 5.42 | 1.38 | 0.6288 |
| 0.5 | 315.0 | 5.79 | 1.54 | 0.6468 |
| 0.5 | 345.0 | 3.21 | 0.856 | 1.2612 |
| 0.7 | 15.0 | 5.94 | 1.59 | 0.7227 |
| 0.7 | 45.0 | 1.87 | 0.601 | 0.85 |
| 0.7 | 75.0 | 11.1 | 2.87 | 1.1983 |
| 0.7 | 105.0 | 6.48 | 1.76 | 0.2186 |
| 0.7 | 135.0 | 7.3 | 2.05 | 1.3602 |
| 0.7 | 165.0 | 8.92 | 1.86 | 0.8493 |
| 0.7 | 195.0 | 13.2 | 2.87 | 1.9397 |
| 0.7 | 225.0 | 6.02 | 1.56 | 1.1664 |
| 0.7 | 255.0 | 17.6 | 4.26 | 5.3765 |
| 0.7 | 285.0 | 5.78 | 1.45 | 0.8857 |
| 0.7 | 315.0 | 4.99 | 1.36 | 0.2316 |
| 0.7 | 345.0 | 3.06 | 0.772 | 0.8265 |
| 0.9 | 15.0 | 3.29 | 1.0 | 0.612 |
| 0.9 | 45.0 | 4.92 | 1.33 | 0.5221 |
| 0.9 | 75.0 | 6.52 | 1.69 | 1.2209 |
| 0.9 | 105.0 | 8.19 | 2.38 | 0.7656 |
| 0.9 | 135.0 | 5.47 | 1.58 | 1.612 |
| 0.9 | 165.0 | 6.33 | 1.7 | 0.7714 |
| 0.9 | 195.0 | 11.0 | 2.81 | 2.2716 |
| 0.9 | 225.0 | 6.62 | 1.96 | 0.442 |
| 0.9 | 255.0 | 8.91 | 2.29 | 1.9211 |
| 0.9 | 285.0 | 7.71 | 2.2 | 0.7203 |
| 0.9 | 315.0 | 8.64 | 2.36 | 1.6236 |
| 0.9 | 345.0 | 5.52 | 1.64 | 0.7317 |
Experiment comment: