Measurement E9M278
| 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: | 1.58 GeV | |
| ε: | 0.557 | |
| 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 | 0.524 | 0.166 |
| -0.9 | 45.0 | 0.425 | 0.174 |
| -0.9 | 75.0 | 0.199 | 0.0888 |
| -0.9 | 105.0 | 0.395 | 0.248 |
| -0.9 | 135.0 | 0.364 | 0.186 |
| -0.9 | 165.0 | 0.184 | 0.118 |
| -0.9 | 195.0 | 0.158 | 0.0869 |
| -0.9 | 225.0 | 0.632 | 0.317 |
| -0.9 | 255.0 | 0.327 | 0.136 |
| -0.9 | 285.0 | 0.597 | 0.253 |
| -0.9 | 315.0 | 0.913 | 0.39 |
| -0.9 | 345.0 | 0.675 | 0.234 |
| -0.7 | 15.0 | 0.297 | 0.0956 |
| -0.7 | 45.0 | 0.281 | 0.101 |
| -0.7 | 75.0 | 2.85 | 1.58 |
| -0.7 | 105.0 | 0.365 | 0.243 |
| -0.7 | 135.0 | 3.61 | 4.18 |
| -0.7 | 165.0 | 1.73 | 1.74 |
| -0.7 | 195.0 | 3.87 | 4.75 |
| -0.7 | 225.0 | 2.62 | 3.22 |
| -0.7 | 255.0 | 0.611 | 0.247 |
| -0.7 | 285.0 | 0.735 | 0.318 |
| -0.7 | 315.0 | 0.377 | 0.144 |
| -0.7 | 345.0 | 0.327 | 0.0907 |
| -0.5 | 15.0 | 0.157 | 0.0756 |
| -0.5 | 45.0 | 0.629 | 0.202 |
| -0.5 | 75.0 | 0.656 | 0.216 |
| -0.5 | 105.0 | 0.63 | 0.207 |
| -0.5 | 135.0 | 0.254 | 0.127 |
| -0.5 | 225.0 | 0.684 | 0.263 |
| -0.5 | 255.0 | 0.426 | 0.14 |
| -0.5 | 285.0 | 0.801 | 0.286 |
| -0.5 | 315.0 | 0.13 | 0.0801 |
| -0.5 | 345.0 | 0.441 | 0.14 |
| -0.3 | 15.0 | 0.399 | 0.247 |
| -0.3 | 45.0 | 0.681 | 0.213 |
| -0.3 | 75.0 | 0.908 | 0.273 |
| -0.3 | 105.0 | 1.04 | 0.262 |
| -0.3 | 135.0 | 0.949 | 0.295 |
| -0.3 | 195.0 | 0.735 | 0.903 |
| -0.3 | 225.0 | 0.291 | 0.105 |
| -0.3 | 255.0 | 0.638 | 0.167 |
| -0.3 | 285.0 | 0.672 | 0.212 |
| -0.3 | 315.0 | 0.448 | 0.154 |
| -0.3 | 345.0 | 1.04 | 0.483 |
| -0.1 | 15.0 | 0.73 | 0.371 |
| -0.1 | 45.0 | 0.726 | 0.26 |
| -0.1 | 75.0 | 0.827 | 0.207 |
| -0.1 | 105.0 | 1.4 | 0.274 |
| -0.1 | 135.0 | 1.11 | 0.305 |
| -0.1 | 225.0 | 0.889 | 0.256 |
| -0.1 | 255.0 | 0.701 | 0.153 |
| -0.1 | 285.0 | 0.899 | 0.226 |
| -0.1 | 315.0 | 1.41 | 0.437 |
| -0.1 | 345.0 | 0.392 | 0.182 |
| 0.1 | 15.0 | 0.943 | 0.391 |
| 0.1 | 45.0 | 0.918 | 0.274 |
| 0.1 | 75.0 | 0.974 | 0.236 |
| 0.1 | 105.0 | 0.932 | 0.198 |
| 0.1 | 135.0 | 1.04 | 0.375 |
| 0.1 | 225.0 | 1.09 | 0.358 |
| 0.1 | 255.0 | 1.27 | 0.239 |
| 0.1 | 285.0 | 1.32 | 0.286 |
| 0.1 | 315.0 | 0.634 | 0.201 |
| 0.1 | 345.0 | 0.208 | 0.127 |
| 0.3 | 15.0 | 0.797 | 0.324 |
| 0.3 | 45.0 | 0.594 | 0.205 |
| 0.3 | 75.0 | 0.572 | 0.161 |
| 0.3 | 105.0 | 0.67 | 0.131 |
| 0.3 | 135.0 | 1.47 | 0.535 |
| 0.3 | 165.0 | 1.23 | 1.13 |
| 0.3 | 195.0 | 1.55 | 1.05 |
| 0.3 | 225.0 | 0.833 | 0.363 |
| 0.3 | 255.0 | 1.21 | 0.267 |
| 0.3 | 285.0 | 1.34 | 0.29 |
| 0.3 | 315.0 | 1.27 | 0.316 |
| 0.3 | 345.0 | 0.826 | 0.345 |
| 0.5 | 15.0 | 0.979 | 0.329 |
| 0.5 | 45.0 | 0.809 | 0.241 |
| 0.5 | 75.0 | 0.559 | 0.171 |
| 0.5 | 105.0 | 1.07 | 0.261 |
| 0.5 | 135.0 | 1.16 | 0.492 |
| 0.5 | 165.0 | 1.03 | 0.843 |
| 0.5 | 195.0 | 0.376 | 0.216 |
| 0.5 | 225.0 | 0.933 | 0.324 |
| 0.5 | 255.0 | 1.29 | 0.28 |
| 0.5 | 285.0 | 0.645 | 0.165 |
| 0.5 | 315.0 | 0.416 | 0.142 |
| 0.5 | 345.0 | 0.235 | 0.0899 |
| 0.7 | 15.0 | 1.29 | 0.553 |
| 0.7 | 45.0 | 0.335 | 0.105 |
| 0.7 | 75.0 | 0.493 | 0.133 |
| 0.7 | 105.0 | 0.372 | 0.113 |
| 0.7 | 135.0 | 0.498 | 0.409 |
| 0.7 | 195.0 | 1.14 | 0.818 |
| 0.7 | 225.0 | 1.48 | 0.637 |
| 0.7 | 255.0 | 1.5 | 0.435 |
| 0.7 | 285.0 | 0.259 | 0.092 |
| 0.7 | 315.0 | 0.416 | 0.169 |
| 0.7 | 345.0 | 1.44 | 0.636 |
| 0.9 | 15.0 | 1.48 | 1.83 |
| 0.9 | 45.0 | 0.215 | 0.0869 |
| 0.9 | 75.0 | 0.885 | 0.392 |
| 0.9 | 105.0 | 0.137 | 0.0606 |
| 0.9 | 135.0 | 1.31 | 0.583 |
| 0.9 | 165.0 | 0.553 | 0.644 |
| 0.9 | 225.0 | 3.45 | 2.02 |
| 0.9 | 255.0 | 0.366 | 0.176 |
| 0.9 | 285.0 | 0.173 | 0.0779 |
| 0.9 | 315.0 | 1.54 | 1.27 |
| 0.9 | 345.0 | 0.0978 | 0.0513 |
Experiment comment: