Measurement E9M115
| 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: | 1.24 GeV | |
| ε: | 0.711 | |
| 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 | 7.96 | 1.67 | 0.8144 |
| -0.9 | 45.0 | 9.22 | 1.71 | 0.4941 |
| -0.9 | 75.0 | 4.5 | 1.04 | 0.6308 |
| -0.9 | 105.0 | 11.9 | 2.66 | 2.4248 |
| -0.9 | 135.0 | 4.74 | 1.21 | 0.8019 |
| -0.9 | 165.0 | 3.34 | 0.749 | 2.1215 |
| -0.9 | 195.0 | 4.3 | 1.13 | 0.4892 |
| -0.9 | 225.0 | 6.21 | 1.71 | 1.4269 |
| -0.9 | 255.0 | 9.61 | 2.03 | 0.8742 |
| -0.9 | 285.0 | 8.84 | 1.81 | 0.5613 |
| -0.9 | 315.0 | 7.61 | 1.56 | 1.0227 |
| -0.9 | 345.0 | 4.47 | 1.07 | 0.5116 |
| -0.7 | 15.0 | 8.58 | 1.47 | 0.5656 |
| -0.7 | 45.0 | 9.12 | 1.69 | 0.7939 |
| -0.7 | 75.0 | 12.5 | 2.33 | 1.837 |
| -0.7 | 105.0 | 8.35 | 1.63 | 0.7617 |
| -0.7 | 135.0 | 12.2 | 2.38 | 2.1201 |
| -0.7 | 165.0 | 8.87 | 1.79 | 1.5862 |
| -0.7 | 195.0 | 4.66 | 0.966 | 1.1674 |
| -0.7 | 225.0 | 8.06 | 1.76 | 0.9871 |
| -0.7 | 255.0 | 11.2 | 2.13 | 0.5766 |
| -0.7 | 285.0 | 14.2 | 2.3 | 0.4796 |
| -0.7 | 315.0 | 10.8 | 1.73 | 0.7141 |
| -0.7 | 345.0 | 6.79 | 1.24 | 0.2893 |
| -0.5 | 15.0 | 6.83 | 1.13 | 0.707 |
| -0.5 | 45.0 | 10.4 | 1.76 | 0.368 |
| -0.5 | 75.0 | 14.7 | 2.33 | 1.1124 |
| -0.5 | 105.0 | 22.9 | 3.64 | 4.0506 |
| -0.5 | 135.0 | 9.54 | 2.0 | 0.764 |
| -0.5 | 165.0 | 7.57 | 1.34 | 0.9828 |
| -0.5 | 195.0 | 6.66 | 1.39 | 1.1296 |
| -0.5 | 225.0 | 6.84 | 1.65 | 1.4533 |
| -0.5 | 255.0 | 21.3 | 3.42 | 2.6632 |
| -0.5 | 285.0 | 18.9 | 2.71 | 0.6819 |
| -0.5 | 315.0 | 14.7 | 2.16 | 0.9513 |
| -0.5 | 345.0 | 11.0 | 1.62 | 1.6491 |
| -0.3 | 15.0 | 9.6 | 1.43 | 0.4119 |
| -0.3 | 45.0 | 9.78 | 1.49 | 0.6403 |
| -0.3 | 75.0 | 19.3 | 3.08 | 0.3 |
| -0.3 | 105.0 | 17.8 | 2.7 | 2.3511 |
| -0.3 | 135.0 | 16.0 | 3.32 | 1.3454 |
| -0.3 | 165.0 | 7.96 | 1.47 | 1.1406 |
| -0.3 | 195.0 | 7.64 | 1.56 | 0.7277 |
| -0.3 | 225.0 | 13.4 | 2.48 | 1.3134 |
| -0.3 | 255.0 | 21.1 | 3.43 | 2.0827 |
| -0.3 | 285.0 | 16.9 | 2.58 | 1.0583 |
| -0.3 | 315.0 | 13.8 | 2.0 | 0.6285 |
| -0.3 | 345.0 | 9.67 | 1.5 | 0.233 |
| -0.1 | 15.0 | 10.4 | 1.51 | 1.4592 |
| -0.1 | 45.0 | 12.1 | 1.64 | 0.6614 |
| -0.1 | 75.0 | 13.2 | 2.24 | 0.9487 |
| -0.1 | 105.0 | 18.9 | 3.0 | 1.8954 |
| -0.1 | 135.0 | 14.9 | 3.01 | 1.0235 |
| -0.1 | 165.0 | 9.81 | 2.0 | 1.9067 |
| -0.1 | 195.0 | 7.98 | 1.5 | 1.1857 |
| -0.1 | 225.0 | 19.0 | 3.97 | 3.7158 |
| -0.1 | 255.0 | 20.0 | 3.18 | 1.7642 |
| -0.1 | 285.0 | 16.0 | 2.56 | 0.3464 |
| -0.1 | 315.0 | 12.8 | 1.81 | 1.7407 |
| -0.1 | 345.0 | 10.8 | 1.61 | 0.2236 |
| 0.1 | 15.0 | 8.87 | 1.35 | 0.3204 |
| 0.1 | 45.0 | 11.8 | 1.9 | 0.5148 |
| 0.1 | 75.0 | 15.8 | 2.4 | 1.1369 |
| 0.1 | 105.0 | 21.3 | 3.35 | 1.1203 |
| 0.1 | 135.0 | 19.2 | 4.21 | 1.9666 |
| 0.1 | 165.0 | 11.6 | 2.25 | 1.7889 |
| 0.1 | 195.0 | 15.5 | 2.71 | 1.0137 |
| 0.1 | 225.0 | 17.0 | 3.49 | 3.0443 |
| 0.1 | 255.0 | 12.2 | 2.1 | 2.6019 |
| 0.1 | 285.0 | 19.3 | 2.92 | 1.1 |
| 0.1 | 315.0 | 16.0 | 2.4 | 1.3048 |
| 0.1 | 345.0 | 9.22 | 1.3 | 0.5058 |
| 0.3 | 15.0 | 11.0 | 1.61 | 0.4528 |
| 0.3 | 45.0 | 16.6 | 2.28 | 0.8675 |
| 0.3 | 75.0 | 18.2 | 2.79 | 0.8761 |
| 0.3 | 105.0 | 15.7 | 2.7 | 0.6 |
| 0.3 | 135.0 | 17.0 | 3.68 | 0.5074 |
| 0.3 | 165.0 | 12.3 | 2.27 | 0.9434 |
| 0.3 | 195.0 | 11.6 | 2.25 | 0.7467 |
| 0.3 | 225.0 | 19.6 | 4.39 | 4.1467 |
| 0.3 | 255.0 | 19.6 | 3.31 | 1.2708 |
| 0.3 | 285.0 | 14.6 | 2.31 | 0.9552 |
| 0.3 | 315.0 | 11.4 | 1.67 | 0.9407 |
| 0.3 | 345.0 | 8.57 | 1.35 | 0.3725 |
| 0.5 | 15.0 | 8.39 | 1.41 | 0.9787 |
| 0.5 | 45.0 | 9.27 | 1.64 | 0.2314 |
| 0.5 | 75.0 | 15.9 | 2.54 | 0.9579 |
| 0.5 | 105.0 | 18.7 | 3.21 | 2.0488 |
| 0.5 | 135.0 | 11.8 | 2.5 | 1.0805 |
| 0.5 | 165.0 | 15.0 | 2.83 | 2.116 |
| 0.5 | 195.0 | 7.5 | 1.59 | 1.8924 |
| 0.5 | 225.0 | 18.6 | 3.82 | 1.3991 |
| 0.5 | 255.0 | 17.8 | 2.83 | 0.9301 |
| 0.5 | 285.0 | 16.2 | 2.52 | 1.1068 |
| 0.5 | 315.0 | 7.29 | 1.24 | 1.7644 |
| 0.5 | 345.0 | 4.92 | 0.955 | 0.1224 |
| 0.7 | 15.0 | 8.7 | 1.66 | 1.8741 |
| 0.7 | 45.0 | 17.0 | 2.83 | 2.9841 |
| 0.7 | 75.0 | 9.22 | 1.8 | 1.0136 |
| 0.7 | 105.0 | 12.0 | 2.51 | 2.3288 |
| 0.7 | 135.0 | 16.6 | 3.69 | 3.2257 |
| 0.7 | 165.0 | 7.03 | 1.34 | 1.3606 |
| 0.7 | 195.0 | 8.2 | 1.53 | 1.6687 |
| 0.7 | 225.0 | 11.5 | 2.29 | 3.3011 |
| 0.7 | 255.0 | 13.5 | 2.76 | 1.0075 |
| 0.7 | 285.0 | 13.0 | 2.62 | 2.2464 |
| 0.7 | 315.0 | 17.4 | 2.81 | 1.6815 |
| 0.7 | 345.0 | 6.35 | 1.32 | 0.7267 |
| 0.9 | 15.0 | 6.08 | 1.36 | 1.1211 |
| 0.9 | 45.0 | 8.76 | 1.8 | 1.0552 |
| 0.9 | 75.0 | 7.19 | 1.5 | 0.9097 |
| 0.9 | 105.0 | 8.54 | 1.86 | 0.7194 |
| 0.9 | 135.0 | 9.73 | 2.33 | 2.0821 |
| 0.9 | 165.0 | 8.09 | 1.81 | 0.9819 |
| 0.9 | 195.0 | 10.7 | 2.16 | 1.6646 |
| 0.9 | 225.0 | 10.8 | 2.4 | 1.6595 |
| 0.9 | 255.0 | 11.6 | 2.48 | 0.9421 |
| 0.9 | 285.0 | 8.68 | 1.94 | 1.4537 |
| 0.9 | 315.0 | 8.67 | 1.74 | 0.4427 |
| 0.9 | 345.0 | 11.0 | 2.4 | 2.4057 |
Experiment comment: