Measurement E9M202
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.26 GeV | |
| ε: | 0.852 | |
| 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 | 3.51 | 0.789 | 0.4561 |
| -0.9 | 45.0 | 4.53 | 0.917 | 0.3245 |
| -0.9 | 75.0 | 3.38 | 0.698 | 0.4706 |
| -0.9 | 105.0 | 6.8 | 1.42 | 1.4417 |
| -0.9 | 135.0 | 3.94 | 0.887 | 0.566 |
| -0.9 | 165.0 | 2.51 | 0.744 | 0.4154 |
| -0.9 | 195.0 | 2.32 | 0.722 | 0.3686 |
| -0.9 | 225.0 | 3.03 | 0.773 | 0.3319 |
| -0.9 | 255.0 | 3.7 | 0.887 | 0.1592 |
| -0.9 | 285.0 | 5.2 | 1.04 | 0.9043 |
| -0.9 | 315.0 | 3.78 | 0.812 | 0.4188 |
| -0.9 | 345.0 | 3.08 | 0.736 | 0.3911 |
| -0.7 | 15.0 | 6.66 | 1.0 | 0.5131 |
| -0.7 | 45.0 | 7.53 | 1.12 | 0.6789 |
| -0.7 | 75.0 | 6.36 | 0.975 | 0.5055 |
| -0.7 | 105.0 | 7.52 | 1.19 | 0.3863 |
| -0.7 | 135.0 | 5.88 | 0.944 | 0.6527 |
| -0.7 | 165.0 | 3.81 | 0.846 | 0.4943 |
| -0.7 | 195.0 | 2.13 | 0.493 | 0.4356 |
| -0.7 | 225.0 | 3.38 | 0.673 | 0.2058 |
| -0.7 | 255.0 | 8.4 | 1.25 | 0.4456 |
| -0.7 | 285.0 | 8.37 | 1.23 | 1.2508 |
| -0.7 | 315.0 | 5.74 | 0.866 | 0.3219 |
| -0.7 | 345.0 | 3.44 | 0.577 | 0.2135 |
| -0.5 | 15.0 | 5.7 | 0.877 | 0.6483 |
| -0.5 | 45.0 | 9.66 | 1.22 | 0.9288 |
| -0.5 | 75.0 | 12.0 | 1.49 | 1.0428 |
| -0.5 | 105.0 | 12.4 | 1.94 | 2.1525 |
| -0.5 | 135.0 | 7.28 | 1.28 | 0.7419 |
| -0.5 | 165.0 | 3.03 | 0.556 | 0.6037 |
| -0.5 | 195.0 | 3.64 | 0.719 | 0.2599 |
| -0.5 | 225.0 | 6.15 | 1.12 | 0.5613 |
| -0.5 | 255.0 | 9.84 | 1.51 | 0.2565 |
| -0.5 | 285.0 | 8.02 | 1.05 | 1.1595 |
| -0.5 | 315.0 | 6.81 | 0.863 | 0.8835 |
| -0.5 | 345.0 | 5.3 | 0.792 | 0.2363 |
| -0.3 | 15.0 | 4.8 | 0.758 | 0.7319 |
| -0.3 | 45.0 | 7.71 | 0.955 | 0.3875 |
| -0.3 | 75.0 | 10.9 | 1.45 | 0.7018 |
| -0.3 | 105.0 | 13.9 | 2.15 | 0.7746 |
| -0.3 | 135.0 | 8.25 | 1.46 | 0.3676 |
| -0.3 | 165.0 | 5.03 | 0.776 | 1.0378 |
| -0.3 | 195.0 | 4.84 | 0.858 | 0.5301 |
| -0.3 | 225.0 | 6.68 | 1.29 | 0.4934 |
| -0.3 | 255.0 | 13.7 | 2.01 | 0.433 |
| -0.3 | 285.0 | 12.2 | 1.56 | 0.45 |
| -0.3 | 315.0 | 10.1 | 1.2 | 1.052 |
| -0.3 | 345.0 | 4.66 | 0.724 | 0.4808 |
| -0.1 | 15.0 | 5.75 | 0.754 | 0.4535 |
| -0.1 | 45.0 | 9.5 | 1.11 | 1.0064 |
| -0.1 | 75.0 | 16.4 | 2.22 | 2.378 |
| -0.1 | 105.0 | 9.98 | 1.82 | 0.6706 |
| -0.1 | 135.0 | 12.1 | 2.35 | 1.5758 |
| -0.1 | 165.0 | 6.8 | 1.14 | 0.7677 |
| -0.1 | 195.0 | 4.52 | 0.786 | 0.7596 |
| -0.1 | 225.0 | 4.75 | 1.01 | 1.4719 |
| -0.1 | 255.0 | 14.3 | 2.39 | 1.7407 |
| -0.1 | 285.0 | 13.3 | 1.73 | 0.9644 |
| -0.1 | 315.0 | 10.7 | 1.21 | 0.3162 |
| -0.1 | 345.0 | 4.79 | 0.717 | 0.2943 |
| 0.1 | 15.0 | 5.34 | 0.811 | 0.4174 |
| 0.1 | 45.0 | 9.05 | 1.1 | 0.4833 |
| 0.1 | 75.0 | 14.4 | 2.01 | 1.3 |
| 0.1 | 105.0 | 10.5 | 2.36 | 0.3 |
| 0.1 | 135.0 | 7.7 | 1.78 | 1.2045 |
| 0.1 | 165.0 | 6.66 | 1.12 | 0.9624 |
| 0.1 | 195.0 | 4.67 | 0.78 | 0.9213 |
| 0.1 | 225.0 | 9.64 | 2.19 | 1.1108 |
| 0.1 | 255.0 | 9.8 | 1.94 | 0.936 |
| 0.1 | 285.0 | 10.2 | 1.53 | 0.583 |
| 0.1 | 315.0 | 10.2 | 1.23 | 0.641 |
| 0.1 | 345.0 | 6.15 | 0.888 | 0.9191 |
| 0.3 | 15.0 | 4.19 | 0.685 | 0.2278 |
| 0.3 | 45.0 | 7.8 | 0.947 | 1.0516 |
| 0.3 | 75.0 | 13.3 | 1.79 | 0.9912 |
| 0.3 | 105.0 | 16.2 | 3.43 | 1.5684 |
| 0.3 | 135.0 | 9.75 | 2.25 | 0.634 |
| 0.3 | 165.0 | 6.38 | 1.05 | 0.5708 |
| 0.3 | 195.0 | 4.92 | 0.834 | 0.2561 |
| 0.3 | 225.0 | 10.6 | 2.62 | 1.7428 |
| 0.3 | 255.0 | 9.29 | 2.02 | 0.8306 |
| 0.3 | 285.0 | 9.47 | 1.35 | 1.6162 |
| 0.3 | 315.0 | 7.7 | 0.936 | 0.1504 |
| 0.3 | 345.0 | 4.51 | 0.717 | 0.1942 |
| 0.5 | 15.0 | 5.05 | 0.78 | 0.5223 |
| 0.5 | 45.0 | 7.13 | 0.999 | 0.0795 |
| 0.5 | 75.0 | 11.0 | 1.71 | 1.0932 |
| 0.5 | 105.0 | 9.77 | 2.49 | 2.2191 |
| 0.5 | 135.0 | 5.62 | 1.61 | 1.336 |
| 0.5 | 165.0 | 5.96 | 1.09 | 0.501 |
| 0.5 | 195.0 | 5.14 | 0.913 | 0.8531 |
| 0.5 | 225.0 | 4.82 | 1.47 | 0.3516 |
| 0.5 | 255.0 | 8.42 | 2.08 | 0.9271 |
| 0.5 | 285.0 | 11.6 | 1.7 | 0.3428 |
| 0.5 | 315.0 | 6.37 | 0.89 | 0.2504 |
| 0.5 | 345.0 | 3.58 | 0.605 | 0.2934 |
| 0.7 | 15.0 | 4.22 | 0.747 | 0.1312 |
| 0.7 | 45.0 | 7.5 | 1.08 | 0.2531 |
| 0.7 | 75.0 | 6.58 | 1.14 | 0.4758 |
| 0.7 | 105.0 | 6.21 | 1.46 | 0.5834 |
| 0.7 | 135.0 | 7.11 | 1.5 | 0.9532 |
| 0.7 | 165.0 | 5.87 | 0.972 | 0.2742 |
| 0.7 | 195.0 | 7.61 | 1.29 | 1.2422 |
| 0.7 | 225.0 | 6.08 | 1.25 | 0.8093 |
| 0.7 | 255.0 | 3.22 | 0.834 | 0.7602 |
| 0.7 | 285.0 | 7.49 | 1.14 | 0.8764 |
| 0.7 | 315.0 | 5.73 | 0.957 | 0.977 |
| 0.7 | 345.0 | 3.08 | 0.566 | 0.2137 |
| 0.9 | 15.0 | 2.84 | 0.699 | 0.4203 |
| 0.9 | 45.0 | 5.67 | 1.13 | 0.5222 |
| 0.9 | 75.0 | 4.43 | 0.803 | 0.6186 |
| 0.9 | 105.0 | 4.83 | 1.03 | 0.7765 |
| 0.9 | 135.0 | 4.83 | 0.99 | 0.5002 |
| 0.9 | 165.0 | 5.13 | 0.984 | 0.4343 |
| 0.9 | 195.0 | 3.52 | 0.795 | 0.1927 |
| 0.9 | 225.0 | 6.12 | 1.27 | 0.9986 |
| 0.9 | 255.0 | 8.75 | 1.82 | 1.923 |
| 0.9 | 285.0 | 6.01 | 1.18 | 0.8404 |
| 0.9 | 315.0 | 4.18 | 0.771 | 0.2448 |
| 0.9 | 345.0 | 2.78 | 0.648 | 0.2051 |
Experiment comment: