Measurement E9M36
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.2 GeV | |
| ε: | 0.698 | |
| 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 | 1.97 | 0.577 | 0.1284 |
| -0.9 | 45.0 | 2.6 | 0.673 | 0.8128 |
| -0.9 | 75.0 | 1.98 | 0.683 | 0.4903 |
| -0.9 | 105.0 | 2.52 | 0.712 | 0.446 |
| -0.9 | 135.0 | 2.47 | 0.652 | 0.2735 |
| -0.9 | 165.0 | 2.35 | 0.71 | 0.2857 |
| -0.9 | 195.0 | 1.48 | 0.472 | 0.227 |
| -0.9 | 225.0 | 4.19 | 1.17 | 0.895 |
| -0.9 | 255.0 | 4.24 | 1.16 | 0.7178 |
| -0.9 | 285.0 | 4.29 | 1.18 | 0.1701 |
| -0.9 | 315.0 | 2.09 | 0.571 | 0.4351 |
| -0.9 | 345.0 | 2.07 | 0.602 | 0.268 |
| -0.7 | 15.0 | 1.64 | 0.466 | 0.3761 |
| -0.7 | 45.0 | 5.06 | 1.25 | 1.1136 |
| -0.7 | 75.0 | 2.6 | 0.626 | 0.1531 |
| -0.7 | 105.0 | 3.3 | 0.806 | 0.1471 |
| -0.7 | 135.0 | 3.42 | 0.819 | 0.7849 |
| -0.7 | 165.0 | 2.01 | 0.585 | 0.1783 |
| -0.7 | 195.0 | 3.63 | 0.938 | 0.775 |
| -0.7 | 225.0 | 3.61 | 0.971 | 0.2685 |
| -0.7 | 255.0 | 1.89 | 0.602 | 0.1699 |
| -0.7 | 285.0 | 2.73 | 0.694 | 1.0376 |
| -0.7 | 315.0 | 2.33 | 0.547 | 0.93 |
| -0.7 | 345.0 | 2.93 | 0.855 | 0.9142 |
| -0.5 | 15.0 | 2.75 | 0.624 | 0.2075 |
| -0.5 | 45.0 | 2.61 | 0.643 | 0.1761 |
| -0.5 | 75.0 | 5.04 | 1.06 | 0.4683 |
| -0.5 | 105.0 | 3.15 | 0.817 | 0.3237 |
| -0.5 | 135.0 | 5.04 | 0.998 | 0.8331 |
| -0.5 | 165.0 | 2.71 | 0.643 | 0.5535 |
| -0.5 | 195.0 | 1.56 | 0.43 | 0.2471 |
| -0.5 | 225.0 | 4.27 | 0.933 | 0.3949 |
| -0.5 | 255.0 | 2.23 | 0.592 | 0.3325 |
| -0.5 | 285.0 | 5.65 | 1.07 | 0.4676 |
| -0.5 | 315.0 | 4.24 | 0.959 | 0.2305 |
| -0.5 | 345.0 | 3.0 | 0.643 | 0.8744 |
| -0.3 | 15.0 | 2.87 | 0.619 | 1.0162 |
| -0.3 | 45.0 | 3.25 | 0.716 | 0.4003 |
| -0.3 | 75.0 | 4.44 | 0.999 | 0.2295 |
| -0.3 | 105.0 | 3.97 | 0.953 | 0.4318 |
| -0.3 | 135.0 | 4.42 | 1.01 | 0.4022 |
| -0.3 | 165.0 | 3.14 | 0.728 | 0.8561 |
| -0.3 | 195.0 | 3.02 | 0.696 | 1.1117 |
| -0.3 | 225.0 | 3.44 | 0.809 | 0.3341 |
| -0.3 | 255.0 | 4.45 | 0.997 | 0.3374 |
| -0.3 | 285.0 | 4.75 | 1.04 | 0.8679 |
| -0.3 | 315.0 | 4.74 | 0.98 | 0.2954 |
| -0.3 | 345.0 | 4.22 | 0.945 | 0.139 |
| -0.1 | 15.0 | 4.69 | 0.964 | 0.1839 |
| -0.1 | 45.0 | 3.57 | 0.789 | 0.3328 |
| -0.1 | 75.0 | 5.38 | 1.05 | 0.6105 |
| -0.1 | 105.0 | 4.74 | 1.09 | 0.2156 |
| -0.1 | 135.0 | 4.9 | 1.15 | 0.1313 |
| -0.1 | 165.0 | 3.31 | 0.682 | 0.295 |
| -0.1 | 195.0 | 3.33 | 0.691 | 0.1624 |
| -0.1 | 225.0 | 4.37 | 0.857 | 0.7388 |
| -0.1 | 255.0 | 4.69 | 1.16 | 0.1241 |
| -0.1 | 285.0 | 4.73 | 1.01 | 0.519 |
| -0.1 | 315.0 | 2.21 | 0.515 | 0.7869 |
| -0.1 | 345.0 | 5.09 | 1.02 | 0.5914 |
| 0.1 | 15.0 | 3.38 | 0.823 | 0.3175 |
| 0.1 | 45.0 | 3.35 | 0.846 | 0.4843 |
| 0.1 | 75.0 | 13.2 | 2.32 | 0.8789 |
| 0.1 | 105.0 | 4.24 | 0.9 | 1.0663 |
| 0.1 | 135.0 | 3.42 | 0.801 | 1.5461 |
| 0.1 | 165.0 | 5.2 | 1.04 | 0.4311 |
| 0.1 | 195.0 | 4.0 | 0.785 | 0.7361 |
| 0.1 | 225.0 | 5.7 | 1.22 | 0.627 |
| 0.1 | 255.0 | 6.44 | 1.39 | 0.5633 |
| 0.1 | 285.0 | 6.49 | 1.47 | 1.582 |
| 0.1 | 315.0 | 3.74 | 0.821 | 0.3545 |
| 0.1 | 345.0 | 4.02 | 0.892 | 0.1797 |
| 0.3 | 15.0 | 4.7 | 0.956 | 1.0286 |
| 0.3 | 45.0 | 3.57 | 0.834 | 0.2075 |
| 0.3 | 75.0 | 4.91 | 1.14 | 0.449 |
| 0.3 | 105.0 | 6.93 | 1.43 | 0.6835 |
| 0.3 | 135.0 | 5.51 | 1.15 | 0.1936 |
| 0.3 | 165.0 | 5.92 | 1.12 | 0.671 |
| 0.3 | 195.0 | 5.95 | 1.14 | 0.7093 |
| 0.3 | 225.0 | 8.34 | 1.6 | 0.9926 |
| 0.3 | 255.0 | 5.32 | 1.11 | 0.2857 |
| 0.3 | 285.0 | 3.91 | 0.865 | 0.9365 |
| 0.3 | 315.0 | 3.58 | 0.798 | 0.5954 |
| 0.3 | 345.0 | 3.99 | 0.955 | 0.6216 |
| 0.5 | 15.0 | 2.48 | 0.654 | 0.3273 |
| 0.5 | 45.0 | 3.56 | 0.878 | 0.6038 |
| 0.5 | 75.0 | 3.32 | 0.76 | 0.3874 |
| 0.5 | 105.0 | 5.93 | 1.42 | 0.9277 |
| 0.5 | 135.0 | 6.4 | 1.3 | 0.9287 |
| 0.5 | 165.0 | 5.61 | 1.1 | 1.1127 |
| 0.5 | 195.0 | 5.69 | 1.02 | 0.4529 |
| 0.5 | 225.0 | 4.16 | 0.847 | 0.7321 |
| 0.5 | 255.0 | 3.23 | 0.758 | 0.5192 |
| 0.5 | 285.0 | 5.46 | 1.08 | 0.6189 |
| 0.5 | 315.0 | 3.67 | 0.846 | 0.4732 |
| 0.5 | 345.0 | 2.46 | 0.575 | 0.4635 |
| 0.7 | 15.0 | 3.02 | 0.761 | 0.4804 |
| 0.7 | 45.0 | 6.44 | 1.52 | 0.5106 |
| 0.7 | 75.0 | 4.51 | 1.02 | 0.5021 |
| 0.7 | 105.0 | 5.49 | 1.3 | 0.8314 |
| 0.7 | 135.0 | 4.57 | 1.02 | 0.7983 |
| 0.7 | 165.0 | 2.65 | 0.55 | 1.2149 |
| 0.7 | 195.0 | 5.99 | 1.12 | 1.1779 |
| 0.7 | 225.0 | 5.31 | 1.05 | 0.634 |
| 0.7 | 255.0 | 5.78 | 1.4 | 0.9092 |
| 0.7 | 285.0 | 5.13 | 1.09 | 0.6631 |
| 0.7 | 315.0 | 4.16 | 0.985 | 0.629 |
| 0.7 | 345.0 | 1.87 | 0.503 | 0.4127 |
| 0.9 | 15.0 | 3.9 | 1.04 | 0.5699 |
| 0.9 | 45.0 | 3.57 | 0.98 | 0.2269 |
| 0.9 | 75.0 | 2.93 | 0.8 | 0.5123 |
| 0.9 | 105.0 | 2.86 | 0.73 | 0.4241 |
| 0.9 | 135.0 | 3.2 | 0.848 | 1.1263 |
| 0.9 | 165.0 | 6.79 | 1.6 | 1.7532 |
| 0.9 | 195.0 | 4.67 | 1.06 | 0.7422 |
| 0.9 | 225.0 | 3.45 | 0.866 | 0.3977 |
| 0.9 | 255.0 | 5.58 | 1.38 | 0.9281 |
| 0.9 | 285.0 | 6.07 | 1.59 | 1.1013 |
| 0.9 | 315.0 | 5.54 | 1.45 | 1.1231 |
| 0.9 | 345.0 | 2.35 | 0.676 | 0.2788 |
Experiment comment: