Measurement E9M265
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.32 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 | 0.638 | 0.182 |
| -0.9 | 45.0 | 0.427 | 0.175 |
| -0.9 | 75.0 | 0.601 | 0.213 |
| -0.9 | 105.0 | 0.567 | 0.181 |
| -0.9 | 135.0 | 0.716 | 0.241 |
| -0.9 | 165.0 | 1.46 | 0.45 |
| -0.9 | 195.0 | 1.28 | 0.336 |
| -0.9 | 225.0 | 0.562 | 0.212 |
| -0.9 | 255.0 | 2.3 | 0.679 |
| -0.9 | 285.0 | 0.977 | 0.303 |
| -0.9 | 315.0 | 0.91 | 0.247 |
| -0.9 | 345.0 | 0.968 | 0.32 |
| -0.7 | 15.0 | 1.06 | 0.243 |
| -0.7 | 45.0 | 1.1 | 0.232 |
| -0.7 | 75.0 | 1.41 | 0.325 |
| -0.7 | 105.0 | 1.75 | 0.429 |
| -0.7 | 135.0 | 0.96 | 0.258 |
| -0.7 | 165.0 | 1.1 | 0.277 |
| -0.7 | 195.0 | 1.14 | 0.291 |
| -0.7 | 225.0 | 1.63 | 0.394 |
| -0.7 | 255.0 | 2.3 | 0.489 |
| -0.7 | 285.0 | 3.04 | 0.638 |
| -0.7 | 315.0 | 1.36 | 0.263 |
| -0.7 | 345.0 | 0.974 | 0.228 |
| -0.5 | 15.0 | 1.58 | 0.331 |
| -0.5 | 45.0 | 1.69 | 0.315 |
| -0.5 | 75.0 | 1.88 | 0.406 |
| -0.5 | 105.0 | 2.9 | 0.63 |
| -0.5 | 135.0 | 2.07 | 0.525 |
| -0.5 | 165.0 | 1.74 | 0.39 |
| -0.5 | 195.0 | 1.65 | 0.402 |
| -0.5 | 225.0 | 1.79 | 0.433 |
| -0.5 | 255.0 | 2.02 | 0.463 |
| -0.5 | 285.0 | 2.21 | 0.421 |
| -0.5 | 315.0 | 1.77 | 0.337 |
| -0.5 | 345.0 | 1.64 | 0.31 |
| -0.3 | 15.0 | 1.23 | 0.258 |
| -0.3 | 45.0 | 2.77 | 0.473 |
| -0.3 | 75.0 | 2.81 | 0.527 |
| -0.3 | 105.0 | 3.59 | 0.809 |
| -0.3 | 135.0 | 2.28 | 0.617 |
| -0.3 | 165.0 | 1.53 | 0.323 |
| -0.3 | 195.0 | 1.45 | 0.365 |
| -0.3 | 225.0 | 2.86 | 0.756 |
| -0.3 | 255.0 | 2.63 | 0.568 |
| -0.3 | 285.0 | 3.37 | 0.581 |
| -0.3 | 315.0 | 2.21 | 0.384 |
| -0.3 | 345.0 | 2.58 | 0.481 |
| -0.1 | 15.0 | 1.68 | 0.297 |
| -0.1 | 45.0 | 2.49 | 0.409 |
| -0.1 | 75.0 | 3.58 | 0.591 |
| -0.1 | 105.0 | 3.99 | 0.834 |
| -0.1 | 135.0 | 2.25 | 0.634 |
| -0.1 | 165.0 | 1.72 | 0.428 |
| -0.1 | 195.0 | 1.22 | 0.288 |
| -0.1 | 225.0 | 3.11 | 0.828 |
| -0.1 | 255.0 | 2.56 | 0.626 |
| -0.1 | 285.0 | 3.57 | 0.61 |
| -0.1 | 315.0 | 1.99 | 0.32 |
| -0.1 | 345.0 | 1.37 | 0.268 |
| 0.1 | 15.0 | 1.24 | 0.254 |
| 0.1 | 45.0 | 2.25 | 0.381 |
| 0.1 | 75.0 | 4.38 | 0.838 |
| 0.1 | 105.0 | 3.2 | 0.695 |
| 0.1 | 135.0 | 1.67 | 0.602 |
| 0.1 | 165.0 | 2.04 | 0.666 |
| 0.1 | 195.0 | 1.87 | 0.499 |
| 0.1 | 225.0 | 4.34 | 1.26 |
| 0.1 | 255.0 | 2.61 | 0.597 |
| 0.1 | 285.0 | 2.17 | 0.447 |
| 0.1 | 315.0 | 2.12 | 0.337 |
| 0.1 | 345.0 | 2.06 | 0.366 |
| 0.3 | 15.0 | 1.21 | 0.23 |
| 0.3 | 45.0 | 2.07 | 0.396 |
| 0.3 | 75.0 | 2.48 | 0.507 |
| 0.3 | 105.0 | 2.74 | 0.622 |
| 0.3 | 135.0 | 3.18 | 1.04 |
| 0.3 | 165.0 | 2.83 | 0.804 |
| 0.3 | 195.0 | 0.979 | 0.295 |
| 0.3 | 225.0 | 3.87 | 1.2 |
| 0.3 | 255.0 | 3.5 | 0.669 |
| 0.3 | 285.0 | 3.32 | 0.651 |
| 0.3 | 315.0 | 2.05 | 0.366 |
| 0.3 | 345.0 | 1.06 | 0.218 |
| 0.5 | 15.0 | 1.07 | 0.218 |
| 0.5 | 45.0 | 1.81 | 0.379 |
| 0.5 | 75.0 | 1.82 | 0.402 |
| 0.5 | 105.0 | 3.03 | 0.713 |
| 0.5 | 135.0 | 1.73 | 0.558 |
| 0.5 | 165.0 | 1.19 | 0.367 |
| 0.5 | 195.0 | 2.15 | 0.608 |
| 0.5 | 225.0 | 2.79 | 0.927 |
| 0.5 | 255.0 | 2.14 | 0.526 |
| 0.5 | 285.0 | 3.99 | 0.857 |
| 0.5 | 315.0 | 1.04 | 0.228 |
| 0.5 | 345.0 | 1.37 | 0.274 |
| 0.7 | 15.0 | 0.989 | 0.239 |
| 0.7 | 45.0 | 0.991 | 0.255 |
| 0.7 | 75.0 | 1.19 | 0.33 |
| 0.7 | 105.0 | 1.94 | 0.609 |
| 0.7 | 135.0 | 1.88 | 0.683 |
| 0.7 | 165.0 | 1.28 | 0.353 |
| 0.7 | 195.0 | 1.23 | 0.385 |
| 0.7 | 225.0 | 2.4 | 0.751 |
| 0.7 | 255.0 | 2.24 | 0.568 |
| 0.7 | 285.0 | 1.53 | 0.336 |
| 0.7 | 315.0 | 1.68 | 0.378 |
| 0.7 | 345.0 | 0.66 | 0.165 |
| 0.9 | 15.0 | 0.775 | 0.249 |
| 0.9 | 45.0 | 1.55 | 0.467 |
| 0.9 | 75.0 | 1.61 | 0.496 |
| 0.9 | 105.0 | 0.978 | 0.348 |
| 0.9 | 135.0 | 1.46 | 0.476 |
| 0.9 | 165.0 | 1.29 | 0.357 |
| 0.9 | 195.0 | 2.74 | 0.843 |
| 0.9 | 225.0 | 1.17 | 0.436 |
| 0.9 | 255.0 | 1.77 | 0.541 |
| 0.9 | 285.0 | 0.864 | 0.268 |
| 0.9 | 315.0 | 1.06 | 0.313 |
| 0.9 | 345.0 | 0.576 | 0.186 |
Experiment comment: