Measurement E9M110
| 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: | 1.14 GeV | |
| ε: | 0.767 | |
| 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 | 0.534 | 0.565 | 0.6036 |
| -0.9 | 45.0 | 0.652 | 0.485 | 0.2346 |
| -0.9 | 75.0 | 3.52 | 1.97 | 1.3505 |
| -0.9 | 105.0 | 1.92 | 0.828 | 0.7785 |
| -0.9 | 135.0 | 2.82 | 1.14 | 0.8411 |
| -0.9 | 165.0 | 3.01 | 1.33 | 0.3244 |
| -0.9 | 195.0 | 1.59 | 0.637 | 3.4537 |
| -0.9 | 225.0 | 4.22 | 1.66 | 0.4248 |
| -0.9 | 255.0 | 3.81 | 1.59 | 0.8644 |
| -0.9 | 285.0 | 1.39 | 0.765 | 0.2082 |
| -0.9 | 315.0 | 2.02 | 0.845 | 1.1562 |
| -0.9 | 345.0 | 1.06 | 0.678 | 0.2165 |
| -0.7 | 15.0 | 2.06 | 1.07 | 0.423 |
| -0.7 | 45.0 | 1.97 | 0.848 | 0.5894 |
| -0.7 | 75.0 | 2.39 | 0.91 | 0.6003 |
| -0.7 | 105.0 | 0.698 | 0.515 | 0.1461 |
| -0.7 | 135.0 | 5.54 | 1.97 | 1.5475 |
| -0.7 | 165.0 | 3.75 | 1.12 | 1.3344 |
| -0.7 | 195.0 | 2.95 | 1.1 | 0.8419 |
| -0.7 | 225.0 | 1.75 | 0.614 | 0.8455 |
| -0.7 | 255.0 | 3.83 | 1.67 | 0.8542 |
| -0.7 | 285.0 | 2.66 | 1.14 | 0.2408 |
| -0.7 | 315.0 | 0.474 | 0.254 | 0.5343 |
| -0.7 | 345.0 | 2.02 | 0.839 | 0.0559 |
| -0.5 | 15.0 | 0.938 | 0.474 | 0.3748 |
| -0.5 | 45.0 | 1.91 | 0.94 | 0.2804 |
| -0.5 | 75.0 | 2.32 | 0.868 | 0.3395 |
| -0.5 | 105.0 | 0.622 | 0.452 | 0.7394 |
| -0.5 | 135.0 | 3.99 | 1.36 | 0.5825 |
| -0.5 | 165.0 | 5.55 | 1.76 | 1.3633 |
| -0.5 | 195.0 | 1.42 | 0.664 | 0.4914 |
| -0.5 | 225.0 | 2.92 | 1.16 | 0.3362 |
| -0.5 | 255.0 | 8.68 | 3.25 | 3.1746 |
| -0.5 | 285.0 | 4.07 | 1.77 | 2.8334 |
| -0.5 | 315.0 | 1.8 | 0.821 | 0.5411 |
| -0.5 | 345.0 | 2.73 | 1.1 | 0.2986 |
| -0.3 | 15.0 | 2.67 | 1.03 | 0.2629 |
| -0.3 | 45.0 | 6.72 | 2.31 | 1.5028 |
| -0.3 | 75.0 | 2.13 | 0.894 | 0.6406 |
| -0.3 | 105.0 | 8.81 | 2.58 | 1.1233 |
| -0.3 | 135.0 | 3.49 | 1.12 | 0.624 |
| -0.3 | 165.0 | 3.44 | 1.1 | 0.4718 |
| -0.3 | 195.0 | 4.95 | 1.53 | 0.627 |
| -0.3 | 225.0 | 1.23 | 0.639 | 0.2839 |
| -0.3 | 255.0 | 1.55 | 0.739 | 0.4126 |
| -0.3 | 285.0 | 8.37 | 2.49 | 1.631 |
| -0.3 | 315.0 | 3.69 | 1.13 | 0.8117 |
| -0.3 | 345.0 | 1.54 | 0.699 | 0.1433 |
| -0.1 | 15.0 | 2.59 | 1.01 | 0.1858 |
| -0.1 | 45.0 | 3.01 | 1.22 | 0.9527 |
| -0.1 | 75.0 | 2.82 | 0.865 | 0.1856 |
| -0.1 | 105.0 | 1.54 | 0.662 | 0.6395 |
| -0.1 | 135.0 | 3.55 | 1.18 | 0.6634 |
| -0.1 | 165.0 | 5.04 | 1.41 | 0.3519 |
| -0.1 | 195.0 | 6.25 | 1.78 | 0.8784 |
| -0.1 | 225.0 | 4.49 | 1.36 | 0.3071 |
| -0.1 | 255.0 | 1.78 | 0.936 | 0.1741 |
| -0.1 | 285.0 | 2.27 | 0.894 | 0.3795 |
| -0.1 | 315.0 | 4.46 | 1.51 | 0.576 |
| -0.1 | 345.0 | 1.63 | 0.691 | 0.1497 |
| 0.1 | 15.0 | 2.79 | 1.08 | 0.1285 |
| 0.1 | 45.0 | 2.93 | 1.01 | 0.8935 |
| 0.1 | 75.0 | 3.12 | 1.17 | 0.4614 |
| 0.1 | 105.0 | 7.58 | 2.25 | 0.2886 |
| 0.1 | 135.0 | 5.97 | 1.87 | 0.5394 |
| 0.1 | 165.0 | 6.09 | 1.64 | 1.7864 |
| 0.1 | 195.0 | 4.6 | 1.22 | 1.3783 |
| 0.1 | 225.0 | 5.14 | 1.44 | 0.8932 |
| 0.1 | 255.0 | 3.72 | 1.46 | 0.4327 |
| 0.1 | 285.0 | 8.51 | 2.64 | 1.5318 |
| 0.1 | 315.0 | 3.23 | 1.15 | 0.18 |
| 0.1 | 345.0 | 1.77 | 0.745 | 0.1552 |
| 0.3 | 15.0 | 2.58 | 0.875 | 0.8784 |
| 0.3 | 45.0 | 5.47 | 1.78 | 0.9754 |
| 0.3 | 75.0 | 3.13 | 1.22 | 0.6452 |
| 0.3 | 105.0 | 4.8 | 1.96 | 1.0791 |
| 0.3 | 135.0 | 4.12 | 1.54 | 1.1333 |
| 0.3 | 165.0 | 4.04 | 1.08 | 1.505 |
| 0.3 | 195.0 | 4.35 | 1.18 | 0.2586 |
| 0.3 | 225.0 | 7.74 | 1.96 | 0.9891 |
| 0.3 | 255.0 | 7.16 | 2.27 | 0.7407 |
| 0.3 | 285.0 | 4.98 | 1.64 | 0.8388 |
| 0.3 | 315.0 | 3.15 | 1.14 | 0.6298 |
| 0.3 | 345.0 | 1.83 | 0.69 | 0.6351 |
| 0.5 | 15.0 | 1.8 | 0.671 | 0.4143 |
| 0.5 | 45.0 | 3.8 | 1.2 | 0.466 |
| 0.5 | 75.0 | 3.8 | 1.6 | 0.9789 |
| 0.5 | 105.0 | 5.48 | 1.88 | 0.4788 |
| 0.5 | 135.0 | 9.21 | 2.52 | 1.9681 |
| 0.5 | 165.0 | 6.45 | 1.76 | 0.6875 |
| 0.5 | 195.0 | 6.61 | 1.85 | 1.4333 |
| 0.5 | 225.0 | 2.87 | 1.01 | 0.3278 |
| 0.5 | 255.0 | 4.72 | 1.44 | 1.3598 |
| 0.5 | 285.0 | 2.1 | 0.755 | 1.1353 |
| 0.5 | 315.0 | 4.35 | 1.54 | 1.3405 |
| 0.5 | 345.0 | 3.13 | 1.08 | 0.2511 |
| 0.7 | 15.0 | 2.09 | 0.829 | 0.7262 |
| 0.7 | 45.0 | 3.53 | 1.29 | 0.3629 |
| 0.7 | 75.0 | 4.76 | 1.48 | 0.6305 |
| 0.7 | 105.0 | 7.03 | 2.15 | 2.0411 |
| 0.7 | 135.0 | 11.9 | 3.54 | 2.1143 |
| 0.7 | 165.0 | 3.6 | 1.14 | 0.8957 |
| 0.7 | 195.0 | 8.49 | 2.07 | 1.0336 |
| 0.7 | 225.0 | 6.35 | 1.96 | 1.0278 |
| 0.7 | 255.0 | 6.28 | 2.05 | 2.0993 |
| 0.7 | 285.0 | 4.1 | 1.38 | 0.4201 |
| 0.7 | 315.0 | 6.1 | 1.66 | 0.9349 |
| 0.7 | 345.0 | 2.88 | 1.13 | 0.4529 |
| 0.9 | 15.0 | 4.83 | 1.78 | 0.7642 |
| 0.9 | 45.0 | 3.61 | 1.34 | 1.0281 |
| 0.9 | 75.0 | 3.21 | 1.09 | 0.4188 |
| 0.9 | 105.0 | 3.22 | 1.1 | 0.8389 |
| 0.9 | 135.0 | 3.35 | 1.5 | 1.4361 |
| 0.9 | 165.0 | 7.57 | 2.15 | 0.7383 |
| 0.9 | 195.0 | 4.97 | 2.02 | 1.213 |
| 0.9 | 225.0 | 8.05 | 2.25 | 1.4727 |
| 0.9 | 255.0 | 5.64 | 2.16 | 1.446 |
| 0.9 | 285.0 | 3.91 | 1.29 | 1.0431 |
| 0.9 | 315.0 | 1.43 | 0.566 | 0.8094 |
| 0.9 | 345.0 | 3.75 | 1.27 | 0.7532 |
Experiment comment: