Measurement E9M175
| 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: | 1.32 GeV | |
| ε: | 0.855 | |
| 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 | 1.86 | 0.507 | 0.4291 |
| -0.9 | 45.0 | 1.28 | 0.409 | 0.3399 |
| -0.9 | 75.0 | 1.34 | 0.403 | 0.1969 |
| -0.9 | 105.0 | 1.77 | 0.485 | 0.4022 |
| -0.9 | 135.0 | 2.84 | 0.793 | 0.431 |
| -0.9 | 165.0 | 1.25 | 0.395 | 0.2774 |
| -0.9 | 195.0 | 2.34 | 0.819 | 0.3916 |
| -0.9 | 225.0 | 3.35 | 0.858 | 0.6404 |
| -0.9 | 255.0 | 1.44 | 0.464 | 0.0604 |
| -0.9 | 285.0 | 2.12 | 0.69 | 0.4759 |
| -0.9 | 315.0 | 2.16 | 0.641 | 0.4586 |
| -0.9 | 345.0 | 1.17 | 0.465 | 0.3606 |
| -0.7 | 15.0 | 1.25 | 0.284 | 0.2451 |
| -0.7 | 45.0 | 2.98 | 0.611 | 0.2477 |
| -0.7 | 75.0 | 4.44 | 0.863 | 0.2579 |
| -0.7 | 105.0 | 6.55 | 1.36 | 1.1325 |
| -0.7 | 135.0 | 2.87 | 0.704 | 0.5407 |
| -0.7 | 165.0 | 2.11 | 0.648 | 0.4477 |
| -0.7 | 195.0 | 1.65 | 0.411 | 0.1126 |
| -0.7 | 225.0 | 2.63 | 0.665 | 0.5622 |
| -0.7 | 255.0 | 2.62 | 0.713 | 0.4721 |
| -0.7 | 285.0 | 2.14 | 0.521 | 0.5185 |
| -0.7 | 315.0 | 3.2 | 0.643 | 0.1779 |
| -0.7 | 345.0 | 2.57 | 0.473 | 0.7913 |
| -0.5 | 15.0 | 2.83 | 0.499 | 0.1991 |
| -0.5 | 45.0 | 3.41 | 0.537 | 0.1683 |
| -0.5 | 75.0 | 4.25 | 0.856 | 0.5197 |
| -0.5 | 105.0 | 2.29 | 0.864 | 1.1665 |
| -0.5 | 135.0 | 3.47 | 1.07 | 0.1818 |
| -0.5 | 165.0 | 1.48 | 0.411 | 0.2112 |
| -0.5 | 195.0 | 2.34 | 0.558 | 0.7636 |
| -0.5 | 225.0 | 3.32 | 0.849 | 0.5616 |
| -0.5 | 255.0 | 2.62 | 0.849 | 1.697 |
| -0.5 | 285.0 | 2.11 | 0.451 | 0.7881 |
| -0.5 | 315.0 | 3.36 | 0.551 | 0.1076 |
| -0.5 | 345.0 | 1.82 | 0.368 | 0.2962 |
| -0.3 | 15.0 | 2.48 | 0.431 | 0.1089 |
| -0.3 | 45.0 | 4.86 | 0.726 | 0.2106 |
| -0.3 | 75.0 | 7.61 | 1.49 | 1.1395 |
| -0.3 | 105.0 | 12.9 | 5.46 | 5.0851 |
| -0.3 | 135.0 | 2.08 | 1.3 | 0.359 |
| -0.3 | 165.0 | 1.88 | 0.487 | 1.0352 |
| -0.3 | 195.0 | 2.13 | 0.564 | 0.3902 |
| -0.3 | 225.0 | 5.15 | 3.01 | 1.5702 |
| -0.3 | 255.0 | 7.02 | 2.47 | 1.6723 |
| -0.3 | 285.0 | 6.08 | 1.14 | 0.6478 |
| -0.3 | 315.0 | 4.11 | 0.611 | 0.2729 |
| -0.3 | 345.0 | 3.42 | 0.57 | 0.2557 |
| -0.1 | 15.0 | 3.75 | 0.651 | 0.373 |
| -0.1 | 45.0 | 4.75 | 0.702 | 0.126 |
| -0.1 | 75.0 | 5.77 | 1.51 | 0.3902 |
| -0.1 | 105.0 | 10.9 | 3.91 | 1.3862 |
| -0.1 | 135.0 | 8.94 | 7.74 | 4.0237 |
| -0.1 | 165.0 | 5.37 | 2.04 | 1.2986 |
| -0.1 | 195.0 | 2.59 | 0.832 | 0.173 |
| -0.1 | 225.0 | 27.3 | 17.6 | 16.0162 |
| -0.1 | 255.0 | 7.66 | 2.99 | 2.4621 |
| -0.1 | 285.0 | 5.74 | 1.28 | 0.2207 |
| -0.1 | 315.0 | 4.39 | 0.653 | 0.5153 |
| -0.1 | 345.0 | 3.63 | 0.629 | 0.2346 |
| 0.1 | 15.0 | 1.72 | 0.371 | 0.0887 |
| 0.1 | 45.0 | 2.89 | 0.452 | 0.5399 |
| 0.1 | 75.0 | 6.05 | 1.57 | 0.4313 |
| 0.1 | 105.0 | 7.96 | 1.82 | 0.6674 |
| 0.1 | 135.0 | 10.9 | 3.8 | 1.9891 |
| 0.1 | 165.0 | 2.54 | 0.943 | 0.4551 |
| 0.1 | 195.0 | 3.37 | 1.19 | 0.3242 |
| 0.1 | 225.0 | 6.56 | 2.24 | 1.2719 |
| 0.1 | 255.0 | 5.2 | 1.25 | 1.0589 |
| 0.1 | 285.0 | 4.53 | 1.29 | 0.7766 |
| 0.1 | 315.0 | 3.63 | 0.576 | 0.0987 |
| 0.1 | 345.0 | 2.51 | 0.483 | 0.1804 |
| 0.3 | 15.0 | 3.21 | 0.609 | 0.2206 |
| 0.3 | 45.0 | 3.66 | 0.57 | 0.0492 |
| 0.3 | 75.0 | 4.96 | 1.55 | 0.7188 |
| 0.3 | 105.0 | 5.83 | 1.27 | 0.2016 |
| 0.3 | 135.0 | 6.51 | 1.91 | 1.2487 |
| 0.3 | 165.0 | 4.58 | 1.59 | 2.12 |
| 0.3 | 195.0 | 2.92 | 1.5 | 0.8046 |
| 0.3 | 225.0 | 9.92 | 3.34 | 3.1908 |
| 0.3 | 255.0 | 8.49 | 1.77 | 1.5091 |
| 0.3 | 285.0 | 10.1 | 2.37 | 1.589 |
| 0.3 | 315.0 | 4.58 | 0.762 | 0.7235 |
| 0.3 | 345.0 | 2.53 | 0.501 | 0.1465 |
| 0.5 | 15.0 | 3.38 | 0.642 | 0.5186 |
| 0.5 | 45.0 | 2.69 | 0.498 | 0.1834 |
| 0.5 | 75.0 | 3.46 | 1.1 | 0.4885 |
| 0.5 | 105.0 | 3.25 | 0.786 | 0.922 |
| 0.5 | 135.0 | 3.48 | 1.02 | 0.5117 |
| 0.5 | 165.0 | 2.37 | 1.61 | 0.6036 |
| 0.5 | 195.0 | 2.84 | 1.29 | 0.9453 |
| 0.5 | 225.0 | 5.2 | 1.77 | 1.1885 |
| 0.5 | 255.0 | 5.3 | 1.33 | 0.5137 |
| 0.5 | 285.0 | 5.22 | 1.26 | 0.4788 |
| 0.5 | 315.0 | 2.96 | 0.569 | 0.3729 |
| 0.5 | 345.0 | 1.37 | 0.338 | 0.0981 |
| 0.7 | 15.0 | 1.69 | 0.412 | 0.1528 |
| 0.7 | 45.0 | 2.61 | 0.513 | 0.1426 |
| 0.7 | 75.0 | 2.21 | 0.776 | 0.4561 |
| 0.7 | 105.0 | 4.41 | 1.39 | 0.832 |
| 0.7 | 135.0 | 4.51 | 1.68 | 0.9189 |
| 0.7 | 165.0 | 2.4 | 0.909 | 0.804 |
| 0.7 | 195.0 | 1.97 | 0.764 | 0.412 |
| 0.7 | 225.0 | 5.0 | 1.74 | 0.9492 |
| 0.7 | 255.0 | 3.17 | 0.993 | 1.0275 |
| 0.7 | 285.0 | 5.13 | 1.64 | 1.3174 |
| 0.7 | 315.0 | 1.42 | 0.347 | 0.1678 |
| 0.7 | 345.0 | 3.29 | 0.778 | 0.8474 |
| 0.9 | 15.0 | 2.42 | 0.701 | 0.2532 |
| 0.9 | 45.0 | 1.45 | 0.418 | 0.4025 |
| 0.9 | 75.0 | 1.88 | 0.536 | 0.5064 |
| 0.9 | 105.0 | 3.83 | 1.63 | 1.5477 |
| 0.9 | 135.0 | 0.982 | 0.45 | 0.37 |
| 0.9 | 165.0 | 2.18 | 0.779 | 0.4249 |
| 0.9 | 195.0 | 1.43 | 0.554 | 0.1743 |
| 0.9 | 225.0 | 1.52 | 0.739 | 0.6084 |
| 0.9 | 255.0 | 2.69 | 0.873 | 0.5894 |
| 0.9 | 285.0 | 4.08 | 1.15 | 0.5815 |
| 0.9 | 315.0 | 1.7 | 0.402 | 0.2874 |
| 0.9 | 345.0 | 1.03 | 0.285 | 0.4665 |
Experiment comment: