Measurement E9M38
| 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: | 1.24 GeV | |
| ε: | 0.679 | |
| 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 | 3.84 | 0.988 | 0.8909 |
| -0.9 | 45.0 | 2.41 | 0.655 | 0.5134 |
| -0.9 | 75.0 | 2.42 | 0.603 | 0.2846 |
| -0.9 | 105.0 | 1.73 | 0.556 | 0.1362 |
| -0.9 | 135.0 | 1.59 | 0.479 | 0.1369 |
| -0.9 | 165.0 | 1.85 | 0.587 | 0.2255 |
| -0.9 | 195.0 | 0.777 | 0.252 | 0.304 |
| -0.9 | 225.0 | 3.32 | 1.02 | 0.8425 |
| -0.9 | 255.0 | 3.46 | 0.916 | 0.7818 |
| -0.9 | 285.0 | 3.84 | 0.989 | 0.4244 |
| -0.9 | 315.0 | 1.32 | 0.35 | 0.5377 |
| -0.9 | 345.0 | 3.02 | 0.807 | 0.4457 |
| -0.7 | 15.0 | 2.68 | 0.568 | 0.1861 |
| -0.7 | 45.0 | 2.6 | 0.592 | 0.4745 |
| -0.7 | 75.0 | 3.42 | 0.698 | 0.0984 |
| -0.7 | 105.0 | 4.16 | 0.824 | 0.3976 |
| -0.7 | 135.0 | 2.98 | 0.807 | 0.4775 |
| -0.7 | 165.0 | 2.26 | 0.569 | 0.4519 |
| -0.7 | 195.0 | 2.05 | 0.517 | 0.2174 |
| -0.7 | 225.0 | 1.92 | 0.465 | 0.4597 |
| -0.7 | 255.0 | 3.7 | 0.823 | 1.106 |
| -0.7 | 285.0 | 2.19 | 0.498 | 0.5899 |
| -0.7 | 315.0 | 2.68 | 0.573 | 0.6189 |
| -0.7 | 345.0 | 2.56 | 0.58 | 0.6258 |
| -0.5 | 15.0 | 2.81 | 0.539 | 0.227 |
| -0.5 | 45.0 | 4.56 | 0.965 | 1.1081 |
| -0.5 | 75.0 | 4.25 | 0.926 | 0.3642 |
| -0.5 | 105.0 | 6.07 | 1.19 | 0.4773 |
| -0.5 | 135.0 | 4.18 | 0.907 | 0.882 |
| -0.5 | 165.0 | 2.47 | 0.619 | 0.1366 |
| -0.5 | 195.0 | 2.81 | 0.579 | 0.7927 |
| -0.5 | 225.0 | 2.84 | 0.615 | 0.2754 |
| -0.5 | 255.0 | 5.2 | 1.01 | 0.5181 |
| -0.5 | 285.0 | 2.98 | 0.648 | 0.4642 |
| -0.5 | 315.0 | 3.72 | 0.698 | 0.5112 |
| -0.5 | 345.0 | 3.68 | 0.752 | 0.3996 |
| -0.3 | 15.0 | 2.51 | 0.503 | 0.348 |
| -0.3 | 45.0 | 3.78 | 0.71 | 0.38 |
| -0.3 | 75.0 | 3.31 | 0.584 | 1.0208 |
| -0.3 | 105.0 | 5.86 | 1.17 | 1.3361 |
| -0.3 | 135.0 | 6.46 | 1.37 | 0.7589 |
| -0.3 | 165.0 | 4.61 | 0.971 | 0.7381 |
| -0.3 | 195.0 | 1.65 | 0.395 | 0.3057 |
| -0.3 | 225.0 | 6.39 | 1.32 | 1.1101 |
| -0.3 | 255.0 | 5.09 | 1.03 | 0.5145 |
| -0.3 | 285.0 | 5.67 | 1.03 | 0.5067 |
| -0.3 | 315.0 | 2.34 | 0.497 | 0.828 |
| -0.3 | 345.0 | 4.54 | 0.9 | 0.5168 |
| -0.1 | 15.0 | 2.51 | 0.506 | 0.503 |
| -0.1 | 45.0 | 6.5 | 1.22 | 0.9264 |
| -0.1 | 75.0 | 4.76 | 0.978 | 0.4843 |
| -0.1 | 105.0 | 3.81 | 0.779 | 0.5701 |
| -0.1 | 135.0 | 5.07 | 1.07 | 0.4701 |
| -0.1 | 165.0 | 2.98 | 0.667 | 0.2261 |
| -0.1 | 195.0 | 2.97 | 0.681 | 0.6025 |
| -0.1 | 225.0 | 2.54 | 0.641 | 0.1491 |
| -0.1 | 255.0 | 5.98 | 1.22 | 0.7976 |
| -0.1 | 285.0 | 3.44 | 0.692 | 0.7764 |
| -0.1 | 315.0 | 4.03 | 0.784 | 0.2852 |
| -0.1 | 345.0 | 4.15 | 0.797 | 0.5507 |
| 0.1 | 15.0 | 3.09 | 0.639 | 0.291 |
| 0.1 | 45.0 | 3.72 | 0.727 | 0.3983 |
| 0.1 | 75.0 | 6.98 | 1.22 | 0.2233 |
| 0.1 | 105.0 | 6.5 | 1.28 | 0.621 |
| 0.1 | 135.0 | 3.45 | 0.827 | 0.2105 |
| 0.1 | 165.0 | 4.25 | 0.828 | 0.734 |
| 0.1 | 195.0 | 3.21 | 0.719 | 0.5783 |
| 0.1 | 225.0 | 5.27 | 1.15 | 0.3662 |
| 0.1 | 255.0 | 5.19 | 0.983 | 1.1257 |
| 0.1 | 285.0 | 5.79 | 1.01 | 0.093 |
| 0.1 | 315.0 | 3.45 | 0.698 | 0.3441 |
| 0.1 | 345.0 | 4.33 | 0.872 | 0.7005 |
| 0.3 | 15.0 | 2.54 | 0.604 | 0.3189 |
| 0.3 | 45.0 | 5.47 | 0.979 | 0.8164 |
| 0.3 | 75.0 | 2.8 | 0.606 | 1.0807 |
| 0.3 | 105.0 | 5.6 | 1.13 | 0.6757 |
| 0.3 | 135.0 | 6.05 | 1.42 | 0.8599 |
| 0.3 | 165.0 | 5.29 | 1.04 | 1.1488 |
| 0.3 | 195.0 | 4.03 | 0.807 | 0.4673 |
| 0.3 | 225.0 | 5.0 | 1.07 | 0.7427 |
| 0.3 | 255.0 | 5.52 | 1.08 | 0.4484 |
| 0.3 | 285.0 | 4.6 | 0.832 | 0.8066 |
| 0.3 | 315.0 | 5.35 | 0.981 | 0.6071 |
| 0.3 | 345.0 | 2.68 | 0.552 | 0.1989 |
| 0.5 | 15.0 | 2.03 | 0.445 | 0.1331 |
| 0.5 | 45.0 | 5.06 | 1.17 | 1.152 |
| 0.5 | 75.0 | 4.67 | 0.854 | 1.5445 |
| 0.5 | 105.0 | 6.5 | 1.43 | 1.1718 |
| 0.5 | 135.0 | 4.93 | 1.09 | 0.633 |
| 0.5 | 165.0 | 3.1 | 0.653 | 0.4508 |
| 0.5 | 195.0 | 3.89 | 0.763 | 0.9372 |
| 0.5 | 225.0 | 2.98 | 0.683 | 0.2451 |
| 0.5 | 255.0 | 4.58 | 0.924 | 0.3468 |
| 0.5 | 285.0 | 4.59 | 0.936 | 0.3534 |
| 0.5 | 315.0 | 4.14 | 0.831 | 0.5166 |
| 0.5 | 345.0 | 2.52 | 0.575 | 0.129 |
| 0.7 | 15.0 | 1.41 | 0.359 | 0.1537 |
| 0.7 | 45.0 | 4.46 | 1.07 | 0.3951 |
| 0.7 | 75.0 | 6.53 | 1.45 | 1.2586 |
| 0.7 | 105.0 | 3.61 | 0.807 | 0.6769 |
| 0.7 | 135.0 | 2.95 | 0.668 | 0.6971 |
| 0.7 | 165.0 | 3.62 | 0.722 | 0.4739 |
| 0.7 | 195.0 | 3.64 | 0.741 | 0.9884 |
| 0.7 | 225.0 | 1.72 | 0.47 | 0.4105 |
| 0.7 | 255.0 | 4.26 | 1.04 | 0.9263 |
| 0.7 | 285.0 | 6.07 | 1.42 | 1.1463 |
| 0.7 | 315.0 | 2.5 | 0.609 | 0.4182 |
| 0.7 | 345.0 | 3.26 | 0.747 | 0.9348 |
| 0.9 | 15.0 | 1.72 | 0.529 | 0.2244 |
| 0.9 | 45.0 | 3.37 | 0.919 | 0.4492 |
| 0.9 | 75.0 | 2.74 | 0.666 | 1.1367 |
| 0.9 | 105.0 | 3.03 | 0.8 | 0.5374 |
| 0.9 | 135.0 | 2.4 | 0.602 | 0.2255 |
| 0.9 | 165.0 | 4.28 | 1.03 | 1.0313 |
| 0.9 | 195.0 | 3.76 | 0.96 | 0.675 |
| 0.9 | 225.0 | 4.62 | 1.24 | 1.0818 |
| 0.9 | 255.0 | 1.64 | 0.481 | 0.5833 |
| 0.9 | 285.0 | 1.9 | 0.603 | 0.2662 |
| 0.9 | 315.0 | 2.64 | 0.75 | 0.16 |
| 0.9 | 345.0 | 1.89 | 0.546 | 0.2485 |
Experiment comment: