Measurement E9M242
| 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: | 1.46 GeV | |
| ε: | 0.727 | |
| 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 |
|---|---|---|---|
| -0.9 | 15.0 | 0.152 | 0.0686 |
| -0.9 | 45.0 | 0.349 | 0.159 |
| -0.9 | 75.0 | 0.192 | 0.117 |
| -0.9 | 105.0 | 0.814 | 0.328 |
| -0.9 | 135.0 | 0.864 | 0.246 |
| -0.9 | 165.0 | 1.06 | 0.331 |
| -0.9 | 195.0 | 1.39 | 0.395 |
| -0.9 | 225.0 | 0.579 | 0.206 |
| -0.9 | 255.0 | 0.349 | 0.145 |
| -0.9 | 285.0 | 0.41 | 0.225 |
| -0.9 | 315.0 | 0.196 | 0.0766 |
| -0.9 | 345.0 | 0.29 | 0.132 |
| -0.7 | 15.0 | 0.694 | 0.21 |
| -0.7 | 45.0 | 0.703 | 0.196 |
| -0.7 | 75.0 | 0.35 | 0.165 |
| -0.7 | 105.0 | 1.69 | 0.628 |
| -0.7 | 135.0 | 2.67 | 1.32 |
| -0.7 | 165.0 | 0.969 | 0.312 |
| -0.7 | 195.0 | 1.13 | 0.302 |
| -0.7 | 225.0 | 0.836 | 0.375 |
| -0.7 | 255.0 | 1.24 | 0.534 |
| -0.7 | 285.0 | 1.06 | 0.377 |
| -0.7 | 315.0 | 0.684 | 0.204 |
| -0.7 | 345.0 | 0.221 | 0.0892 |
| -0.5 | 15.0 | 0.936 | 0.228 |
| -0.5 | 45.0 | 0.92 | 0.262 |
| -0.5 | 75.0 | 1.51 | 0.498 |
| -0.5 | 105.0 | 1.92 | 0.556 |
| -0.5 | 135.0 | 2.53 | 1.15 |
| -0.5 | 165.0 | 2.37 | 1.04 |
| -0.5 | 195.0 | 2.16 | 0.822 |
| -0.5 | 225.0 | 1.7 | 0.89 |
| -0.5 | 255.0 | 3.46 | 1.1 |
| -0.5 | 285.0 | 1.3 | 0.409 |
| -0.5 | 315.0 | 0.982 | 0.243 |
| -0.5 | 345.0 | 0.868 | 0.211 |
| -0.3 | 15.0 | 0.955 | 0.247 |
| -0.3 | 45.0 | 1.63 | 0.38 |
| -0.3 | 75.0 | 2.42 | 0.622 |
| -0.3 | 105.0 | 1.95 | 0.406 |
| -0.3 | 135.0 | 2.26 | 0.523 |
| -0.3 | 195.0 | 0.602 | 0.651 |
| -0.3 | 225.0 | 1.42 | 0.421 |
| -0.3 | 255.0 | 2.11 | 0.515 |
| -0.3 | 285.0 | 2.23 | 0.598 |
| -0.3 | 315.0 | 1.91 | 0.395 |
| -0.3 | 345.0 | 1.33 | 0.357 |
| -0.1 | 15.0 | 1.88 | 0.436 |
| -0.1 | 45.0 | 1.61 | 0.354 |
| -0.1 | 75.0 | 2.83 | 0.585 |
| -0.1 | 105.0 | 2.01 | 0.359 |
| -0.1 | 135.0 | 1.66 | 0.336 |
| -0.1 | 165.0 | 5.62 | 2.52 |
| -0.1 | 195.0 | 25.6 | 28.0 |
| -0.1 | 225.0 | 2.71 | 0.557 |
| -0.1 | 255.0 | 2.64 | 0.458 |
| -0.1 | 285.0 | 2.25 | 0.487 |
| -0.1 | 315.0 | 1.32 | 0.349 |
| -0.1 | 345.0 | 1.76 | 0.385 |
| 0.1 | 15.0 | 1.67 | 0.414 |
| 0.1 | 45.0 | 1.98 | 0.455 |
| 0.1 | 75.0 | 1.97 | 0.444 |
| 0.1 | 105.0 | 2.44 | 0.445 |
| 0.1 | 135.0 | 3.82 | 0.627 |
| 0.1 | 165.0 | 2.51 | 1.08 |
| 0.1 | 195.0 | 3.43 | 1.29 |
| 0.1 | 225.0 | 2.2 | 0.37 |
| 0.1 | 255.0 | 1.93 | 0.349 |
| 0.1 | 285.0 | 1.78 | 0.435 |
| 0.1 | 315.0 | 1.31 | 0.345 |
| 0.1 | 345.0 | 0.979 | 0.251 |
| 0.3 | 15.0 | 0.788 | 0.21 |
| 0.3 | 45.0 | 1.26 | 0.316 |
| 0.3 | 75.0 | 1.99 | 0.449 |
| 0.3 | 105.0 | 1.84 | 0.309 |
| 0.3 | 135.0 | 1.78 | 0.324 |
| 0.3 | 165.0 | 1.53 | 0.896 |
| 0.3 | 195.0 | 2.43 | 1.45 |
| 0.3 | 225.0 | 3.19 | 0.595 |
| 0.3 | 255.0 | 1.84 | 0.334 |
| 0.3 | 285.0 | 1.97 | 0.458 |
| 0.3 | 315.0 | 1.21 | 0.257 |
| 0.3 | 345.0 | 1.26 | 0.314 |
| 0.5 | 15.0 | 1.84 | 0.431 |
| 0.5 | 45.0 | 1.47 | 0.349 |
| 0.5 | 75.0 | 1.33 | 0.385 |
| 0.5 | 105.0 | 1.55 | 0.301 |
| 0.5 | 135.0 | 1.31 | 0.303 |
| 0.5 | 165.0 | 0.714 | 0.55 |
| 0.5 | 225.0 | 1.87 | 0.407 |
| 0.5 | 255.0 | 2.57 | 0.456 |
| 0.5 | 285.0 | 2.11 | 0.472 |
| 0.5 | 315.0 | 1.76 | 0.415 |
| 0.5 | 345.0 | 1.18 | 0.292 |
| 0.7 | 15.0 | 1.48 | 0.443 |
| 0.7 | 45.0 | 0.913 | 0.275 |
| 0.7 | 75.0 | 2.2 | 0.632 |
| 0.7 | 105.0 | 0.99 | 0.259 |
| 0.7 | 135.0 | 1.58 | 0.392 |
| 0.7 | 165.0 | 0.86 | 0.994 |
| 0.7 | 195.0 | 3.57 | 5.05 |
| 0.7 | 225.0 | 1.25 | 0.337 |
| 0.7 | 255.0 | 1.83 | 0.43 |
| 0.7 | 285.0 | 1.02 | 0.367 |
| 0.7 | 315.0 | 0.693 | 0.216 |
| 0.7 | 345.0 | 1.17 | 0.36 |
| 0.9 | 15.0 | 0.957 | 0.316 |
| 0.9 | 45.0 | 0.797 | 0.405 |
| 0.9 | 75.0 | 0.22 | 0.106 |
| 0.9 | 105.0 | 0.809 | 0.384 |
| 0.9 | 135.0 | 0.85 | 0.323 |
| 0.9 | 165.0 | 0.357 | 0.383 |
| 0.9 | 195.0 | 0.142 | 0.149 |
| 0.9 | 225.0 | 0.355 | 0.185 |
| 0.9 | 255.0 | 0.366 | 0.144 |
| 0.9 | 285.0 | 0.723 | 0.304 |
| 0.9 | 315.0 | 0.266 | 0.121 |
| 0.9 | 345.0 | 1.01 | 0.418 |
Experiment comment: