Measurement E9M272
| 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: | 1.46 GeV | |
| ε: | 0.648 | |
| 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 | 0.208 | 0.0977 |
| -0.9 | 45.0 | 0.166 | 0.0652 |
| -0.9 | 75.0 | 0.271 | 0.182 |
| -0.9 | 105.0 | 0.329 | 0.136 |
| -0.9 | 135.0 | 0.395 | 0.184 |
| -0.9 | 165.0 | 1.51 | 0.478 |
| -0.9 | 195.0 | 1.65 | 0.514 |
| -0.9 | 225.0 | 0.444 | 0.184 |
| -0.9 | 255.0 | 1.08 | 0.512 |
| -0.9 | 285.0 | 0.312 | 0.113 |
| -0.9 | 315.0 | 0.133 | 0.0734 |
| -0.9 | 345.0 | 0.214 | 0.0791 |
| -0.7 | 15.0 | 0.398 | 0.124 |
| -0.7 | 45.0 | 0.433 | 0.126 |
| -0.7 | 75.0 | 1.36 | 0.45 |
| -0.7 | 105.0 | 1.24 | 0.482 |
| -0.7 | 135.0 | 0.768 | 0.362 |
| -0.7 | 165.0 | 1.19 | 0.413 |
| -0.7 | 195.0 | 1.84 | 0.587 |
| -0.7 | 225.0 | 0.939 | 0.362 |
| -0.7 | 255.0 | 0.765 | 0.294 |
| -0.7 | 285.0 | 0.813 | 0.252 |
| -0.7 | 315.0 | 0.584 | 0.188 |
| -0.7 | 345.0 | 0.451 | 0.147 |
| -0.5 | 15.0 | 0.67 | 0.216 |
| -0.5 | 45.0 | 0.934 | 0.254 |
| -0.5 | 75.0 | 2.46 | 0.704 |
| -0.5 | 105.0 | 0.849 | 0.288 |
| -0.5 | 135.0 | 0.612 | 0.672 |
| -0.5 | 165.0 | 3.32 | 1.41 |
| -0.5 | 195.0 | 0.972 | 0.45 |
| -0.5 | 225.0 | 4.03 | 1.97 |
| -0.5 | 255.0 | 1.11 | 0.324 |
| -0.5 | 285.0 | 1.53 | 0.487 |
| -0.5 | 315.0 | 1.29 | 0.327 |
| -0.5 | 345.0 | 0.412 | 0.124 |
| -0.3 | 15.0 | 1.03 | 0.299 |
| -0.3 | 45.0 | 1.16 | 0.243 |
| -0.3 | 75.0 | 2.52 | 0.682 |
| -0.3 | 105.0 | 1.78 | 0.447 |
| -0.3 | 135.0 | 1.32 | 0.385 |
| -0.3 | 165.0 | 7.07 | 5.18 |
| -0.3 | 195.0 | 0.867 | 0.938 |
| -0.3 | 225.0 | 1.79 | 0.528 |
| -0.3 | 255.0 | 2.01 | 0.509 |
| -0.3 | 285.0 | 1.82 | 0.438 |
| -0.3 | 315.0 | 1.46 | 0.386 |
| -0.3 | 345.0 | 0.538 | 0.193 |
| -0.1 | 15.0 | 0.703 | 0.233 |
| -0.1 | 45.0 | 1.29 | 0.314 |
| -0.1 | 75.0 | 1.3 | 0.314 |
| -0.1 | 105.0 | 3.19 | 0.631 |
| -0.1 | 135.0 | 1.74 | 0.414 |
| -0.1 | 165.0 | 2.05 | 2.51 |
| -0.1 | 195.0 | 2.22 | 1.4 |
| -0.1 | 225.0 | 2.87 | 0.645 |
| -0.1 | 255.0 | 1.53 | 0.324 |
| -0.1 | 285.0 | 2.55 | 0.622 |
| -0.1 | 315.0 | 1.69 | 0.373 |
| -0.1 | 345.0 | 1.39 | 0.389 |
| 0.1 | 15.0 | 0.87 | 0.203 |
| 0.1 | 45.0 | 1.72 | 0.392 |
| 0.1 | 75.0 | 2.94 | 0.602 |
| 0.1 | 105.0 | 1.28 | 0.281 |
| 0.1 | 135.0 | 1.21 | 0.252 |
| 0.1 | 195.0 | 2.69 | 1.46 |
| 0.1 | 225.0 | 1.28 | 0.286 |
| 0.1 | 255.0 | 1.17 | 0.262 |
| 0.1 | 285.0 | 1.67 | 0.373 |
| 0.1 | 315.0 | 1.78 | 0.443 |
| 0.1 | 345.0 | 1.24 | 0.327 |
| 0.3 | 15.0 | 1.37 | 0.301 |
| 0.3 | 45.0 | 1.36 | 0.357 |
| 0.3 | 75.0 | 2.2 | 0.539 |
| 0.3 | 105.0 | 1.19 | 0.237 |
| 0.3 | 135.0 | 1.83 | 0.392 |
| 0.3 | 165.0 | 1.94 | 1.19 |
| 0.3 | 195.0 | 3.83 | 2.06 |
| 0.3 | 225.0 | 1.45 | 0.302 |
| 0.3 | 255.0 | 1.37 | 0.305 |
| 0.3 | 285.0 | 1.75 | 0.367 |
| 0.3 | 315.0 | 1.3 | 0.325 |
| 0.3 | 345.0 | 1.27 | 0.389 |
| 0.5 | 15.0 | 1.49 | 0.351 |
| 0.5 | 45.0 | 1.16 | 0.317 |
| 0.5 | 75.0 | 0.874 | 0.239 |
| 0.5 | 105.0 | 1.71 | 0.366 |
| 0.5 | 135.0 | 0.965 | 0.237 |
| 0.5 | 165.0 | 0.54 | 0.584 |
| 0.5 | 195.0 | 1.51 | 1.32 |
| 0.5 | 225.0 | 1.25 | 0.301 |
| 0.5 | 255.0 | 1.32 | 0.279 |
| 0.5 | 285.0 | 1.97 | 0.499 |
| 0.5 | 315.0 | 1.01 | 0.261 |
| 0.5 | 345.0 | 0.706 | 0.214 |
| 0.7 | 15.0 | 0.651 | 0.189 |
| 0.7 | 45.0 | 1.2 | 0.338 |
| 0.7 | 75.0 | 1.03 | 0.291 |
| 0.7 | 105.0 | 1.11 | 0.29 |
| 0.7 | 135.0 | 0.895 | 0.242 |
| 0.7 | 165.0 | 0.363 | 0.393 |
| 0.7 | 225.0 | 0.548 | 0.194 |
| 0.7 | 255.0 | 1.84 | 0.461 |
| 0.7 | 285.0 | 1.41 | 0.426 |
| 0.7 | 315.0 | 0.342 | 0.129 |
| 0.7 | 345.0 | 0.694 | 0.212 |
| 0.9 | 15.0 | 0.14 | 0.109 |
| 0.9 | 45.0 | 0.185 | 0.119 |
| 0.9 | 75.0 | 0.738 | 0.373 |
| 0.9 | 105.0 | 0.664 | 0.33 |
| 0.9 | 135.0 | 0.164 | 0.0954 |
| 0.9 | 165.0 | 0.22 | 0.239 |
| 0.9 | 195.0 | 0.721 | 0.629 |
| 0.9 | 225.0 | 0.448 | 0.247 |
| 0.9 | 255.0 | 1.18 | 0.628 |
| 0.9 | 285.0 | 0.25 | 0.121 |
| 0.9 | 315.0 | 0.587 | 0.217 |
| 0.9 | 345.0 | 0.841 | 0.343 |
Experiment comment: