Measurement E9M259
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.2 GeV | |
| ε: | 0.778 | |
| 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 | 2.92 | 0.598 | 0.3669 |
| -0.9 | 45.0 | 3.01 | 0.639 | 0.5059 |
| -0.9 | 75.0 | 3.2 | 0.671 | 0.3688 |
| -0.9 | 105.0 | 4.84 | 0.926 | 0.5241 |
| -0.9 | 135.0 | 2.95 | 0.638 | 0.3663 |
| -0.9 | 165.0 | 4.01 | 0.827 | 0.5746 |
| -0.9 | 195.0 | 2.88 | 0.647 | 0.3537 |
| -0.9 | 225.0 | 2.72 | 0.562 | 0.5111 |
| -0.9 | 255.0 | 3.23 | 0.598 | 0.5315 |
| -0.9 | 285.0 | 6.94 | 1.23 | 1.0756 |
| -0.9 | 315.0 | 6.0 | 1.13 | 1.3265 |
| -0.9 | 345.0 | 4.1 | 0.778 | 0.1612 |
| -0.7 | 15.0 | 4.48 | 0.782 | 0.5974 |
| -0.7 | 45.0 | 6.22 | 0.902 | 0.3449 |
| -0.7 | 75.0 | 4.13 | 0.613 | 1.2351 |
| -0.7 | 105.0 | 6.67 | 0.98 | 0.5187 |
| -0.7 | 135.0 | 4.38 | 0.823 | 0.345 |
| -0.7 | 165.0 | 2.26 | 0.418 | 0.3522 |
| -0.7 | 195.0 | 3.46 | 0.629 | 0.3772 |
| -0.7 | 225.0 | 3.73 | 0.635 | 0.3065 |
| -0.7 | 255.0 | 7.8 | 1.11 | 0.3306 |
| -0.7 | 285.0 | 3.92 | 0.602 | 1.7672 |
| -0.7 | 315.0 | 4.15 | 0.682 | 0.5377 |
| -0.7 | 345.0 | 3.52 | 0.563 | 0.887 |
| -0.5 | 15.0 | 4.44 | 0.673 | 0.2982 |
| -0.5 | 45.0 | 6.2 | 0.858 | 0.0831 |
| -0.5 | 75.0 | 6.66 | 0.946 | 0.3092 |
| -0.5 | 105.0 | 4.51 | 0.674 | 0.4117 |
| -0.5 | 135.0 | 3.72 | 0.603 | 0.4977 |
| -0.5 | 165.0 | 3.58 | 0.573 | 0.3083 |
| -0.5 | 195.0 | 4.11 | 0.635 | 0.3902 |
| -0.5 | 225.0 | 5.72 | 0.859 | 0.4218 |
| -0.5 | 255.0 | 6.12 | 0.867 | 0.5709 |
| -0.5 | 285.0 | 6.19 | 0.899 | 0.3139 |
| -0.5 | 315.0 | 6.49 | 0.957 | 0.9516 |
| -0.5 | 345.0 | 3.82 | 0.648 | 0.6621 |
| -0.3 | 15.0 | 4.64 | 0.671 | 0.5075 |
| -0.3 | 45.0 | 5.54 | 0.735 | 0.372 |
| -0.3 | 75.0 | 6.73 | 0.945 | 0.5102 |
| -0.3 | 105.0 | 5.68 | 0.888 | 0.5229 |
| -0.3 | 135.0 | 6.33 | 0.955 | 0.7917 |
| -0.3 | 165.0 | 6.04 | 0.84 | 0.4558 |
| -0.3 | 195.0 | 6.1 | 0.893 | 0.671 |
| -0.3 | 225.0 | 8.36 | 1.19 | 0.805 |
| -0.3 | 255.0 | 6.92 | 0.97 | 0.5161 |
| -0.3 | 285.0 | 7.51 | 0.993 | 0.4876 |
| -0.3 | 315.0 | 4.98 | 0.691 | 0.2972 |
| -0.3 | 345.0 | 5.05 | 0.76 | 0.537 |
| -0.1 | 15.0 | 4.78 | 0.682 | 0.3523 |
| -0.1 | 45.0 | 4.85 | 0.676 | 0.4414 |
| -0.1 | 75.0 | 7.12 | 0.964 | 0.532 |
| -0.1 | 105.0 | 10.4 | 1.45 | 1.1676 |
| -0.1 | 135.0 | 6.36 | 0.965 | 0.4237 |
| -0.1 | 165.0 | 8.09 | 1.06 | 1.1423 |
| -0.1 | 195.0 | 4.09 | 0.614 | 0.3962 |
| -0.1 | 225.0 | 6.02 | 0.85 | 0.575 |
| -0.1 | 255.0 | 9.69 | 1.35 | 0.8165 |
| -0.1 | 285.0 | 8.05 | 1.13 | 0.7633 |
| -0.1 | 315.0 | 6.09 | 0.814 | 0.5955 |
| -0.1 | 345.0 | 5.93 | 0.809 | 0.2147 |
| 0.1 | 15.0 | 5.36 | 0.78 | 0.3543 |
| 0.1 | 45.0 | 5.16 | 0.76 | 0.1137 |
| 0.1 | 75.0 | 10.0 | 1.3 | 0.4204 |
| 0.1 | 105.0 | 5.95 | 0.88 | 0.2142 |
| 0.1 | 135.0 | 8.61 | 1.26 | 0.5861 |
| 0.1 | 165.0 | 6.13 | 0.784 | 1.2679 |
| 0.1 | 195.0 | 6.13 | 0.78 | 0.4891 |
| 0.1 | 225.0 | 9.35 | 1.29 | 1.0736 |
| 0.1 | 255.0 | 10.9 | 1.59 | 1.1775 |
| 0.1 | 285.0 | 7.57 | 1.0 | 0.6046 |
| 0.1 | 315.0 | 4.97 | 0.699 | 0.3847 |
| 0.1 | 345.0 | 5.44 | 0.754 | 0.2587 |
| 0.3 | 15.0 | 4.21 | 0.657 | 0.113 |
| 0.3 | 45.0 | 7.04 | 0.967 | 0.5981 |
| 0.3 | 75.0 | 7.95 | 1.06 | 0.2653 |
| 0.3 | 105.0 | 8.57 | 1.26 | 0.4796 |
| 0.3 | 135.0 | 7.01 | 0.99 | 1.487 |
| 0.3 | 165.0 | 8.26 | 1.11 | 1.1001 |
| 0.3 | 195.0 | 7.1 | 0.905 | 0.4414 |
| 0.3 | 225.0 | 8.26 | 1.2 | 0.699 |
| 0.3 | 255.0 | 8.41 | 1.28 | 1.3424 |
| 0.3 | 285.0 | 9.41 | 1.26 | 0.3989 |
| 0.3 | 315.0 | 5.0 | 0.726 | 0.4364 |
| 0.3 | 345.0 | 4.89 | 0.796 | 0.5908 |
| 0.5 | 15.0 | 3.96 | 0.626 | 0.2118 |
| 0.5 | 45.0 | 3.86 | 0.59 | 0.7897 |
| 0.5 | 75.0 | 6.46 | 1.03 | 0.6115 |
| 0.5 | 105.0 | 10.1 | 1.44 | 1.0944 |
| 0.5 | 135.0 | 6.62 | 0.94 | 1.1494 |
| 0.5 | 165.0 | 8.77 | 1.13 | 0.6264 |
| 0.5 | 195.0 | 8.55 | 1.1 | 1.0455 |
| 0.5 | 225.0 | 8.93 | 1.24 | 1.2085 |
| 0.5 | 255.0 | 8.84 | 1.25 | 0.8745 |
| 0.5 | 285.0 | 6.07 | 0.843 | 0.7371 |
| 0.5 | 315.0 | 6.01 | 0.837 | 0.0778 |
| 0.5 | 345.0 | 4.6 | 0.722 | 0.8243 |
| 0.7 | 15.0 | 3.68 | 0.632 | 0.213 |
| 0.7 | 45.0 | 4.76 | 0.729 | 0.2813 |
| 0.7 | 75.0 | 6.3 | 0.921 | 0.4778 |
| 0.7 | 105.0 | 9.08 | 1.47 | 1.7764 |
| 0.7 | 135.0 | 7.5 | 1.06 | 0.2463 |
| 0.7 | 165.0 | 8.41 | 1.1 | 1.0246 |
| 0.7 | 195.0 | 7.1 | 0.964 | 0.376 |
| 0.7 | 225.0 | 6.79 | 0.964 | 0.9681 |
| 0.7 | 255.0 | 7.24 | 1.09 | 0.4023 |
| 0.7 | 285.0 | 8.45 | 1.19 | 0.2913 |
| 0.7 | 315.0 | 4.0 | 0.652 | 0.2356 |
| 0.7 | 345.0 | 4.24 | 0.688 | 0.2533 |
| 0.9 | 15.0 | 2.06 | 0.412 | 0.6352 |
| 0.9 | 45.0 | 4.74 | 0.875 | 0.4537 |
| 0.9 | 75.0 | 5.33 | 0.955 | 0.3117 |
| 0.9 | 105.0 | 5.29 | 0.901 | 0.3396 |
| 0.9 | 135.0 | 6.66 | 1.03 | 0.8072 |
| 0.9 | 165.0 | 5.64 | 0.869 | 0.7972 |
| 0.9 | 195.0 | 7.15 | 1.17 | 0.9794 |
| 0.9 | 225.0 | 7.7 | 1.2 | 1.0493 |
| 0.9 | 255.0 | 7.69 | 1.29 | 0.6263 |
| 0.9 | 285.0 | 6.62 | 1.11 | 0.8952 |
| 0.9 | 315.0 | 5.38 | 0.999 | 0.453 |
| 0.9 | 345.0 | 3.93 | 0.77 | 0.3684 |
Experiment comment: