Measurement E9M156
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.22 GeV | |
| ε: | 0.6 | |
| 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 | 6.35 | 1.47 | 0.4643 |
| -0.9 | 45.0 | 5.94 | 1.3 | 0.9655 |
| -0.9 | 75.0 | 8.73 | 2.24 | 1.4986 |
| -0.9 | 105.0 | 5.64 | 1.47 | 0.6632 |
| -0.9 | 135.0 | 3.76 | 1.17 | 0.5358 |
| -0.9 | 165.0 | 4.47 | 1.26 | 0.7125 |
| -0.9 | 195.0 | 4.56 | 1.1 | 0.2767 |
| -0.9 | 225.0 | 4.61 | 1.22 | 0.5788 |
| -0.9 | 255.0 | 8.88 | 2.35 | 0.7398 |
| -0.9 | 285.0 | 3.37 | 0.989 | 0.2012 |
| -0.9 | 315.0 | 5.1 | 1.2 | 1.1153 |
| -0.9 | 345.0 | 5.9 | 1.35 | 0.178 |
| -0.7 | 15.0 | 5.37 | 1.19 | 0.2904 |
| -0.7 | 45.0 | 8.81 | 1.94 | 1.3796 |
| -0.7 | 75.0 | 10.4 | 2.31 | 1.1786 |
| -0.7 | 105.0 | 8.49 | 1.91 | 0.7686 |
| -0.7 | 135.0 | 1.88 | 0.693 | 0.601 |
| -0.7 | 165.0 | 3.82 | 0.912 | 0.6693 |
| -0.7 | 195.0 | 6.11 | 1.33 | 0.8723 |
| -0.7 | 225.0 | 16.1 | 3.15 | 2.05 |
| -0.7 | 255.0 | 6.53 | 1.24 | 2.1786 |
| -0.7 | 285.0 | 8.59 | 1.93 | 0.2386 |
| -0.7 | 315.0 | 7.91 | 1.55 | 1.1427 |
| -0.7 | 345.0 | 6.58 | 1.38 | 0.5394 |
| -0.5 | 15.0 | 5.71 | 1.2 | 0.8612 |
| -0.5 | 45.0 | 9.73 | 1.92 | 1.1062 |
| -0.5 | 75.0 | 11.9 | 2.34 | 0.5723 |
| -0.5 | 105.0 | 12.5 | 2.23 | 3.7249 |
| -0.5 | 135.0 | 13.1 | 2.74 | 2.337 |
| -0.5 | 165.0 | 10.3 | 2.06 | 1.7946 |
| -0.5 | 195.0 | 5.41 | 1.28 | 0.5957 |
| -0.5 | 225.0 | 5.47 | 1.34 | 0.2288 |
| -0.5 | 255.0 | 11.2 | 2.2 | 0.773 |
| -0.5 | 285.0 | 10.2 | 1.87 | 0.5897 |
| -0.5 | 315.0 | 11.2 | 1.96 | 1.1127 |
| -0.5 | 345.0 | 8.28 | 1.64 | 0.9585 |
| -0.3 | 15.0 | 7.29 | 1.27 | 0.3819 |
| -0.3 | 45.0 | 8.66 | 1.7 | 0.355 |
| -0.3 | 75.0 | 9.52 | 1.76 | 0.4559 |
| -0.3 | 105.0 | 15.6 | 2.95 | 0.9314 |
| -0.3 | 135.0 | 10.3 | 2.11 | 5.2543 |
| -0.3 | 165.0 | 6.26 | 1.53 | 1.1691 |
| -0.3 | 195.0 | 6.51 | 1.4 | 0.4652 |
| -0.3 | 225.0 | 11.2 | 2.71 | 0.6519 |
| -0.3 | 255.0 | 19.6 | 3.53 | 2.7798 |
| -0.3 | 285.0 | 11.0 | 2.05 | 0.4213 |
| -0.3 | 315.0 | 12.2 | 2.12 | 0.2646 |
| -0.3 | 345.0 | 9.33 | 1.66 | 0.4702 |
| -0.1 | 15.0 | 7.41 | 1.37 | 0.499 |
| -0.1 | 45.0 | 7.82 | 1.6 | 0.4138 |
| -0.1 | 75.0 | 14.9 | 2.61 | 0.7632 |
| -0.1 | 105.0 | 15.3 | 2.8 | 0.7826 |
| -0.1 | 135.0 | 9.21 | 2.11 | 0.9074 |
| -0.1 | 165.0 | 9.94 | 1.89 | 0.8563 |
| -0.1 | 195.0 | 8.02 | 1.65 | 0.6576 |
| -0.1 | 225.0 | 11.7 | 2.53 | 1.3963 |
| -0.1 | 255.0 | 8.7 | 1.79 | 2.2038 |
| -0.1 | 285.0 | 14.0 | 2.35 | 1.3472 |
| -0.1 | 315.0 | 6.59 | 1.25 | 0.8542 |
| -0.1 | 345.0 | 9.96 | 1.7 | 0.4108 |
| 0.1 | 15.0 | 9.32 | 1.55 | 0.8744 |
| 0.1 | 45.0 | 11.8 | 2.12 | 0.9708 |
| 0.1 | 75.0 | 13.7 | 2.5 | 1.0 |
| 0.1 | 105.0 | 17.6 | 2.94 | 1.0782 |
| 0.1 | 135.0 | 13.7 | 2.96 | 1.4195 |
| 0.1 | 165.0 | 15.7 | 2.86 | 0.8874 |
| 0.1 | 195.0 | 7.96 | 1.63 | 0.814 |
| 0.1 | 225.0 | 10.6 | 2.49 | 0.5009 |
| 0.1 | 255.0 | 16.5 | 3.12 | 2.2694 |
| 0.1 | 285.0 | 12.5 | 2.36 | 0.6671 |
| 0.1 | 315.0 | 10.7 | 2.03 | 0.8411 |
| 0.1 | 345.0 | 6.58 | 1.3 | 0.343 |
| 0.3 | 15.0 | 5.54 | 1.09 | 0.4009 |
| 0.3 | 45.0 | 8.6 | 1.65 | 1.2141 |
| 0.3 | 75.0 | 16.8 | 2.68 | 0.7517 |
| 0.3 | 105.0 | 10.7 | 2.0 | 0.4723 |
| 0.3 | 135.0 | 16.1 | 3.85 | 2.9373 |
| 0.3 | 165.0 | 9.22 | 1.92 | 0.6165 |
| 0.3 | 195.0 | 6.53 | 1.36 | 2.3696 |
| 0.3 | 225.0 | 8.35 | 1.84 | 1.9406 |
| 0.3 | 255.0 | 13.2 | 2.69 | 1.9026 |
| 0.3 | 285.0 | 14.2 | 2.52 | 2.5294 |
| 0.3 | 315.0 | 11.6 | 2.21 | 0.5074 |
| 0.3 | 345.0 | 5.61 | 1.12 | 0.2557 |
| 0.5 | 15.0 | 5.23 | 1.1 | 0.5653 |
| 0.5 | 45.0 | 6.07 | 1.33 | 0.3944 |
| 0.5 | 75.0 | 11.1 | 2.09 | 0.8292 |
| 0.5 | 105.0 | 8.44 | 1.85 | 0.8336 |
| 0.5 | 135.0 | 18.0 | 4.05 | 2.9026 |
| 0.5 | 165.0 | 10.3 | 2.35 | 1.23 |
| 0.5 | 195.0 | 8.63 | 1.89 | 1.0094 |
| 0.5 | 225.0 | 9.35 | 2.08 | 2.1302 |
| 0.5 | 255.0 | 13.9 | 2.6 | 2.5514 |
| 0.5 | 285.0 | 11.4 | 2.25 | 1.1661 |
| 0.5 | 315.0 | 7.39 | 1.65 | 0.7619 |
| 0.5 | 345.0 | 5.28 | 1.03 | 1.764 |
| 0.7 | 15.0 | 4.17 | 0.863 | 0.6472 |
| 0.7 | 45.0 | 13.9 | 2.67 | 1.9577 |
| 0.7 | 75.0 | 9.44 | 1.85 | 2.8388 |
| 0.7 | 105.0 | 9.27 | 1.95 | 1.2158 |
| 0.7 | 135.0 | 8.07 | 1.88 | 1.4221 |
| 0.7 | 165.0 | 11.0 | 2.16 | 1.4338 |
| 0.7 | 195.0 | 5.94 | 1.44 | 0.7124 |
| 0.7 | 225.0 | 14.3 | 3.56 | 3.0184 |
| 0.7 | 255.0 | 13.6 | 3.04 | 2.6166 |
| 0.7 | 285.0 | 9.8 | 2.0 | 2.1897 |
| 0.7 | 315.0 | 13.7 | 2.84 | 1.2217 |
| 0.7 | 345.0 | 6.05 | 1.25 | 1.0112 |
| 0.9 | 15.0 | 8.85 | 2.19 | 2.2046 |
| 0.9 | 45.0 | 3.63 | 1.01 | 1.1999 |
| 0.9 | 75.0 | 6.05 | 1.49 | 0.7795 |
| 0.9 | 105.0 | 10.3 | 2.46 | 0.8508 |
| 0.9 | 135.0 | 8.26 | 2.02 | 0.5564 |
| 0.9 | 165.0 | 10.2 | 2.4 | 1.5399 |
| 0.9 | 195.0 | 9.63 | 2.27 | 1.7442 |
| 0.9 | 225.0 | 12.5 | 3.09 | 2.5395 |
| 0.9 | 255.0 | 11.7 | 2.54 | 1.1587 |
| 0.9 | 285.0 | 12.3 | 2.79 | 2.3221 |
| 0.9 | 315.0 | 3.28 | 0.894 | 0.1526 |
| 0.9 | 345.0 | 6.09 | 1.49 | 0.3291 |
Experiment comment: