Measurement E9M138
| 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: | 1.24 GeV | |
| ε: | 0.662 | |
| 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 | 5.56 | 1.25 | 1.7702 |
| -0.9 | 45.0 | 6.53 | 1.62 | 1.1216 |
| -0.9 | 75.0 | 5.75 | 1.71 | 0.711 |
| -0.9 | 105.0 | 6.99 | 2.3 | 1.4919 |
| -0.9 | 135.0 | 7.03 | 1.93 | 0.4816 |
| -0.9 | 165.0 | 3.35 | 1.03 | 2.4432 |
| -0.9 | 195.0 | 2.92 | 0.951 | 0.3759 |
| -0.9 | 225.0 | 5.19 | 1.74 | 0.8611 |
| -0.9 | 255.0 | 5.47 | 1.58 | 0.1847 |
| -0.9 | 285.0 | 8.62 | 1.95 | 1.4663 |
| -0.9 | 315.0 | 12.1 | 2.97 | 2.8472 |
| -0.9 | 345.0 | 7.14 | 1.74 | 1.2708 |
| -0.7 | 15.0 | 7.94 | 1.7 | 1.4794 |
| -0.7 | 45.0 | 5.52 | 1.18 | 0.512 |
| -0.7 | 75.0 | 8.2 | 1.66 | 0.6881 |
| -0.7 | 105.0 | 13.5 | 3.12 | 3.3021 |
| -0.7 | 135.0 | 9.18 | 2.39 | 1.3019 |
| -0.7 | 165.0 | 5.13 | 1.25 | 0.7506 |
| -0.7 | 195.0 | 5.2 | 1.4 | 0.6907 |
| -0.7 | 225.0 | 4.85 | 1.27 | 0.7489 |
| -0.7 | 255.0 | 8.17 | 1.85 | 1.6468 |
| -0.7 | 285.0 | 11.9 | 2.41 | 1.1456 |
| -0.7 | 315.0 | 7.78 | 1.6 | 0.3532 |
| -0.7 | 345.0 | 9.05 | 1.85 | 1.123 |
| -0.5 | 15.0 | 9.63 | 1.82 | 1.376 |
| -0.5 | 45.0 | 8.19 | 1.69 | 0.244 |
| -0.5 | 75.0 | 16.0 | 3.19 | 2.2749 |
| -0.5 | 105.0 | 8.85 | 1.97 | 1.8567 |
| -0.5 | 135.0 | 6.64 | 1.83 | 0.1726 |
| -0.5 | 165.0 | 8.68 | 1.93 | 0.4559 |
| -0.5 | 195.0 | 7.11 | 1.65 | 0.3914 |
| -0.5 | 225.0 | 14.1 | 3.53 | 2.6799 |
| -0.5 | 255.0 | 16.7 | 3.24 | 2.2533 |
| -0.5 | 285.0 | 5.01 | 1.32 | 0.2889 |
| -0.5 | 315.0 | 8.95 | 1.81 | 1.1661 |
| -0.5 | 345.0 | 6.73 | 1.28 | 0.3507 |
| -0.3 | 15.0 | 7.37 | 1.39 | 0.4701 |
| -0.3 | 45.0 | 8.7 | 1.72 | 0.9016 |
| -0.3 | 75.0 | 19.2 | 3.41 | 1.4221 |
| -0.3 | 105.0 | 16.4 | 3.15 | 0.2958 |
| -0.3 | 135.0 | 10.6 | 2.61 | 1.3838 |
| -0.3 | 165.0 | 6.91 | 1.65 | 1.4924 |
| -0.3 | 195.0 | 10.1 | 2.41 | 2.096 |
| -0.3 | 225.0 | 11.2 | 2.67 | 0.5408 |
| -0.3 | 255.0 | 15.9 | 3.25 | 1.1456 |
| -0.3 | 285.0 | 15.3 | 2.77 | 0.4416 |
| -0.3 | 315.0 | 18.1 | 3.37 | 4.0491 |
| -0.3 | 345.0 | 7.25 | 1.3 | 1.1919 |
| -0.1 | 15.0 | 7.06 | 1.23 | 1.2986 |
| -0.1 | 45.0 | 11.8 | 2.07 | 1.0087 |
| -0.1 | 75.0 | 27.5 | 4.6 | 4.9417 |
| -0.1 | 105.0 | 21.7 | 3.91 | 1.3407 |
| -0.1 | 135.0 | 25.9 | 5.37 | 4.9087 |
| -0.1 | 165.0 | 9.03 | 1.86 | 1.7638 |
| -0.1 | 195.0 | 12.3 | 2.71 | 1.7402 |
| -0.1 | 225.0 | 15.1 | 3.05 | 0.9644 |
| -0.1 | 255.0 | 20.8 | 3.39 | 2.2869 |
| -0.1 | 285.0 | 13.9 | 2.48 | 0.886 |
| -0.1 | 315.0 | 14.4 | 2.57 | 1.8802 |
| -0.1 | 345.0 | 9.78 | 1.63 | 0.8498 |
| 0.1 | 15.0 | 9.08 | 1.61 | 0.61 |
| 0.1 | 45.0 | 11.7 | 2.01 | 0.7089 |
| 0.1 | 75.0 | 12.4 | 2.65 | 0.7566 |
| 0.1 | 105.0 | 12.9 | 2.21 | 2.0555 |
| 0.1 | 135.0 | 14.5 | 3.61 | 1.5992 |
| 0.1 | 165.0 | 9.61 | 2.28 | 1.6233 |
| 0.1 | 195.0 | 11.0 | 2.46 | 0.3841 |
| 0.1 | 225.0 | 8.83 | 2.28 | 2.0122 |
| 0.1 | 255.0 | 10.8 | 2.49 | 1.6271 |
| 0.1 | 285.0 | 14.8 | 2.85 | 1.6508 |
| 0.1 | 315.0 | 14.6 | 2.83 | 2.4042 |
| 0.1 | 345.0 | 14.5 | 2.34 | 0.3841 |
| 0.3 | 15.0 | 6.66 | 1.24 | 0.9232 |
| 0.3 | 45.0 | 10.5 | 1.85 | 0.7093 |
| 0.3 | 75.0 | 17.9 | 3.04 | 1.1358 |
| 0.3 | 105.0 | 13.3 | 2.59 | 0.6964 |
| 0.3 | 135.0 | 17.5 | 4.22 | 2.4794 |
| 0.3 | 165.0 | 9.25 | 2.05 | 1.2774 |
| 0.3 | 195.0 | 10.3 | 2.25 | 0.9496 |
| 0.3 | 225.0 | 21.3 | 5.54 | 5.6498 |
| 0.3 | 255.0 | 15.0 | 2.73 | 1.1369 |
| 0.3 | 285.0 | 12.0 | 2.13 | 1.6279 |
| 0.3 | 315.0 | 9.78 | 1.84 | 0.3963 |
| 0.3 | 345.0 | 9.64 | 1.7 | 0.993 |
| 0.5 | 15.0 | 8.77 | 1.7 | 1.8073 |
| 0.5 | 45.0 | 9.57 | 2.01 | 1.2155 |
| 0.5 | 75.0 | 9.15 | 1.9 | 1.5859 |
| 0.5 | 105.0 | 22.8 | 3.87 | 2.5224 |
| 0.5 | 135.0 | 10.3 | 2.61 | 2.8544 |
| 0.5 | 165.0 | 9.57 | 2.38 | 1.3896 |
| 0.5 | 195.0 | 4.06 | 1.11 | 0.5812 |
| 0.5 | 225.0 | 16.5 | 3.82 | 2.6716 |
| 0.5 | 255.0 | 16.7 | 3.28 | 1.0909 |
| 0.5 | 285.0 | 10.7 | 2.38 | 0.963 |
| 0.5 | 315.0 | 9.97 | 1.91 | 0.5841 |
| 0.5 | 345.0 | 6.35 | 1.31 | 0.6862 |
| 0.7 | 15.0 | 6.47 | 1.41 | 0.9072 |
| 0.7 | 45.0 | 8.31 | 1.75 | 0.2897 |
| 0.7 | 75.0 | 8.71 | 1.85 | 1.8025 |
| 0.7 | 105.0 | 13.4 | 2.69 | 3.5419 |
| 0.7 | 135.0 | 9.1 | 2.43 | 2.5134 |
| 0.7 | 165.0 | 8.53 | 2.08 | 1.9988 |
| 0.7 | 195.0 | 9.81 | 2.47 | 1.3291 |
| 0.7 | 225.0 | 10.9 | 3.18 | 4.6245 |
| 0.7 | 255.0 | 16.2 | 3.15 | 1.038 |
| 0.7 | 285.0 | 10.5 | 2.3 | 0.8274 |
| 0.7 | 315.0 | 10.7 | 2.41 | 1.4397 |
| 0.7 | 345.0 | 7.32 | 1.51 | 0.514 |
| 0.9 | 15.0 | 4.94 | 1.22 | 0.64 |
| 0.9 | 45.0 | 2.94 | 1.01 | 0.4494 |
| 0.9 | 75.0 | 10.9 | 2.34 | 1.294 |
| 0.9 | 105.0 | 4.97 | 1.39 | 2.0556 |
| 0.9 | 135.0 | 11.6 | 2.9 | 1.9415 |
| 0.9 | 165.0 | 16.2 | 3.94 | 2.5441 |
| 0.9 | 195.0 | 6.46 | 1.66 | 1.0389 |
| 0.9 | 225.0 | 9.84 | 2.62 | 2.7976 |
| 0.9 | 255.0 | 6.12 | 1.75 | 0.5789 |
| 0.9 | 285.0 | 16.8 | 3.93 | 4.5379 |
| 0.9 | 315.0 | 6.97 | 1.96 | 1.3313 |
| 0.9 | 345.0 | 6.02 | 1.55 | 0.7011 |
Experiment comment: