Measurement E9M167
| 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: | 0.897 | |
| 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 | 3.95 | 1.49 | 1.2885 |
| -0.9 | 45.0 | 1.86 | 0.704 | 0.8278 |
| -0.9 | 75.0 | 1.87 | 0.645 | 0.4837 |
| -0.9 | 105.0 | 3.01 | 0.901 | 0.2584 |
| -0.9 | 135.0 | 6.08 | 1.81 | 1.1235 |
| -0.9 | 165.0 | 3.69 | 1.15 | 0.7951 |
| -0.9 | 195.0 | 2.86 | 0.843 | 2.9107 |
| -0.9 | 225.0 | 3.18 | 1.04 | 0.5203 |
| -0.9 | 255.0 | 4.83 | 1.24 | 0.6254 |
| -0.9 | 285.0 | 2.52 | 0.756 | 0.332 |
| -0.9 | 315.0 | 1.34 | 0.499 | 0.2899 |
| -0.9 | 345.0 | 2.79 | 0.917 | 0.5788 |
| -0.7 | 15.0 | 4.96 | 1.14 | 0.4403 |
| -0.7 | 45.0 | 4.95 | 1.17 | 0.3282 |
| -0.7 | 75.0 | 3.95 | 0.927 | 0.2129 |
| -0.7 | 105.0 | 3.42 | 0.827 | 0.4266 |
| -0.7 | 135.0 | 3.68 | 1.04 | 0.7656 |
| -0.7 | 165.0 | 3.52 | 0.999 | 0.9444 |
| -0.7 | 195.0 | 5.72 | 1.47 | 0.9422 |
| -0.7 | 225.0 | 3.08 | 0.79 | 0.9289 |
| -0.7 | 255.0 | 2.89 | 0.766 | 0.4648 |
| -0.7 | 285.0 | 4.79 | 1.14 | 0.6281 |
| -0.7 | 315.0 | 3.61 | 1.07 | 0.5379 |
| -0.7 | 345.0 | 2.68 | 0.793 | 0.4799 |
| -0.5 | 15.0 | 4.27 | 1.06 | 0.3396 |
| -0.5 | 45.0 | 6.17 | 1.4 | 0.6857 |
| -0.5 | 75.0 | 6.43 | 1.41 | 0.7373 |
| -0.5 | 105.0 | 4.91 | 1.12 | 0.4073 |
| -0.5 | 135.0 | 7.08 | 1.55 | 0.9485 |
| -0.5 | 165.0 | 2.82 | 0.814 | 0.2905 |
| -0.5 | 195.0 | 5.57 | 1.3 | 0.2089 |
| -0.5 | 225.0 | 4.16 | 0.971 | 0.484 |
| -0.5 | 255.0 | 5.37 | 1.2 | 0.9269 |
| -0.5 | 285.0 | 6.04 | 1.21 | 0.4421 |
| -0.5 | 315.0 | 5.66 | 1.27 | 0.7399 |
| -0.5 | 345.0 | 2.93 | 0.731 | 0.4828 |
| -0.3 | 15.0 | 3.93 | 0.968 | 0.9155 |
| -0.3 | 45.0 | 5.0 | 1.14 | 0.2583 |
| -0.3 | 75.0 | 6.47 | 1.38 | 1.067 |
| -0.3 | 105.0 | 3.6 | 0.888 | 0.3736 |
| -0.3 | 135.0 | 5.4 | 1.16 | 0.2989 |
| -0.3 | 165.0 | 5.02 | 1.11 | 0.504 |
| -0.3 | 195.0 | 6.77 | 1.62 | 0.9554 |
| -0.3 | 225.0 | 9.53 | 1.68 | 0.3843 |
| -0.3 | 255.0 | 8.12 | 1.62 | 0.8548 |
| -0.3 | 285.0 | 6.94 | 1.48 | 1.1424 |
| -0.3 | 315.0 | 5.39 | 1.27 | 0.3059 |
| -0.3 | 345.0 | 3.82 | 0.996 | 0.4551 |
| -0.1 | 15.0 | 5.81 | 1.43 | 0.4504 |
| -0.1 | 45.0 | 5.69 | 1.21 | 0.3087 |
| -0.1 | 75.0 | 6.13 | 1.24 | 0.2733 |
| -0.1 | 105.0 | 5.62 | 1.13 | 0.3486 |
| -0.1 | 135.0 | 7.54 | 1.52 | 0.79 |
| -0.1 | 165.0 | 5.41 | 1.14 | 0.4465 |
| -0.1 | 195.0 | 7.29 | 1.54 | 0.768 |
| -0.1 | 225.0 | 7.78 | 1.46 | 0.6098 |
| -0.1 | 255.0 | 6.68 | 1.18 | 1.2541 |
| -0.1 | 285.0 | 9.5 | 1.88 | 0.6064 |
| -0.1 | 315.0 | 8.66 | 1.69 | 0.8928 |
| -0.1 | 345.0 | 2.63 | 0.627 | 1.0133 |
| 0.1 | 15.0 | 3.52 | 0.933 | 0.4517 |
| 0.1 | 45.0 | 4.28 | 0.918 | 0.8693 |
| 0.1 | 75.0 | 8.41 | 1.47 | 0.5022 |
| 0.1 | 105.0 | 8.71 | 1.56 | 0.5491 |
| 0.1 | 135.0 | 8.63 | 1.66 | 0.1758 |
| 0.1 | 165.0 | 10.5 | 1.99 | 0.7346 |
| 0.1 | 195.0 | 7.13 | 1.42 | 0.4854 |
| 0.1 | 225.0 | 6.88 | 1.28 | 1.5453 |
| 0.1 | 255.0 | 5.16 | 1.12 | 0.4116 |
| 0.1 | 285.0 | 8.52 | 1.66 | 0.7678 |
| 0.1 | 315.0 | 5.44 | 1.11 | 0.3929 |
| 0.1 | 345.0 | 5.52 | 1.19 | 0.2863 |
| 0.3 | 15.0 | 3.48 | 0.839 | 0.8184 |
| 0.3 | 45.0 | 5.0 | 1.0 | 0.4435 |
| 0.3 | 75.0 | 5.92 | 1.1 | 0.7958 |
| 0.3 | 105.0 | 5.82 | 1.22 | 0.1597 |
| 0.3 | 135.0 | 8.32 | 1.59 | 0.4369 |
| 0.3 | 165.0 | 10.9 | 2.03 | 1.4285 |
| 0.3 | 195.0 | 6.62 | 1.4 | 0.2307 |
| 0.3 | 225.0 | 7.08 | 1.37 | 0.4836 |
| 0.3 | 255.0 | 10.9 | 1.95 | 0.3775 |
| 0.3 | 285.0 | 5.4 | 1.07 | 0.3386 |
| 0.3 | 315.0 | 5.93 | 1.38 | 0.5923 |
| 0.3 | 345.0 | 4.91 | 1.21 | 0.0992 |
| 0.5 | 15.0 | 3.63 | 0.933 | 0.627 |
| 0.5 | 45.0 | 5.78 | 1.2 | 0.4372 |
| 0.5 | 75.0 | 7.55 | 1.33 | 0.9538 |
| 0.5 | 105.0 | 7.13 | 1.39 | 0.7385 |
| 0.5 | 135.0 | 6.77 | 1.29 | 0.8113 |
| 0.5 | 165.0 | 9.18 | 1.76 | 0.7115 |
| 0.5 | 195.0 | 12.6 | 2.31 | 1.6148 |
| 0.5 | 225.0 | 7.81 | 1.47 | 0.8561 |
| 0.5 | 255.0 | 4.98 | 0.992 | 0.5372 |
| 0.5 | 285.0 | 7.67 | 1.36 | 0.1761 |
| 0.5 | 315.0 | 3.93 | 0.897 | 0.2005 |
| 0.5 | 345.0 | 3.89 | 0.862 | 1.1761 |
| 0.7 | 15.0 | 3.36 | 0.921 | 0.6463 |
| 0.7 | 45.0 | 5.22 | 1.15 | 0.5111 |
| 0.7 | 75.0 | 6.18 | 1.27 | 1.1182 |
| 0.7 | 105.0 | 6.77 | 1.28 | 0.8392 |
| 0.7 | 135.0 | 5.2 | 1.19 | 0.8221 |
| 0.7 | 165.0 | 9.18 | 1.76 | 2.4028 |
| 0.7 | 195.0 | 8.79 | 1.71 | 0.9519 |
| 0.7 | 225.0 | 8.97 | 1.63 | 0.6182 |
| 0.7 | 255.0 | 9.25 | 1.73 | 0.8694 |
| 0.7 | 285.0 | 6.96 | 1.41 | 0.5096 |
| 0.7 | 315.0 | 2.63 | 0.673 | 0.5584 |
| 0.7 | 345.0 | 3.94 | 1.14 | 0.5522 |
| 0.9 | 15.0 | 2.97 | 0.77 | 0.5209 |
| 0.9 | 45.0 | 5.68 | 1.54 | 0.9957 |
| 0.9 | 75.0 | 7.79 | 1.82 | 1.1766 |
| 0.9 | 105.0 | 3.88 | 0.953 | 0.7727 |
| 0.9 | 135.0 | 6.81 | 1.57 | 0.7797 |
| 0.9 | 165.0 | 5.9 | 1.34 | 1.802 |
| 0.9 | 195.0 | 11.8 | 2.55 | 1.3738 |
| 0.9 | 225.0 | 10.6 | 2.3 | 1.5622 |
| 0.9 | 255.0 | 9.31 | 2.15 | 1.7216 |
| 0.9 | 285.0 | 5.28 | 1.33 | 0.5858 |
| 0.9 | 315.0 | 3.54 | 0.962 | 0.2179 |
| 0.9 | 345.0 | 4.82 | 1.2 | 0.4952 |
Experiment comment: