Measurement E9M279
| 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: | 1.6 GeV | |
| ε: | 0.539 | |
| 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 | 0.339 | 0.143 |
| -0.9 | 45.0 | 0.278 | 0.128 |
| -0.9 | 75.0 | 0.143 | 0.0656 |
| -0.9 | 105.0 | 0.183 | 0.105 |
| -0.9 | 135.0 | 0.515 | 0.434 |
| -0.9 | 165.0 | 0.157 | 0.12 |
| -0.9 | 195.0 | 0.13 | 0.0708 |
| -0.9 | 225.0 | 0.152 | 0.117 |
| -0.9 | 255.0 | 0.312 | 0.201 |
| -0.9 | 285.0 | 0.322 | 0.179 |
| -0.9 | 315.0 | 0.683 | 0.223 |
| -0.9 | 345.0 | 0.401 | 0.135 |
| -0.7 | 15.0 | 0.92 | 0.278 |
| -0.7 | 45.0 | 0.417 | 0.142 |
| -0.7 | 75.0 | 0.213 | 0.113 |
| -0.7 | 105.0 | 0.367 | 0.217 |
| -0.7 | 135.0 | 0.327 | 0.276 |
| -0.7 | 165.0 | 0.805 | 0.988 |
| -0.7 | 225.0 | 1.49 | 1.23 |
| -0.7 | 255.0 | 0.159 | 0.123 |
| -0.7 | 285.0 | 0.489 | 0.191 |
| -0.7 | 315.0 | 0.786 | 0.241 |
| -0.7 | 345.0 | 0.304 | 0.101 |
| -0.5 | 15.0 | 0.303 | 0.121 |
| -0.5 | 45.0 | 0.446 | 0.14 |
| -0.5 | 75.0 | 0.932 | 0.355 |
| -0.5 | 105.0 | 0.18 | 0.111 |
| -0.5 | 135.0 | 0.88 | 0.358 |
| -0.5 | 225.0 | 1.07 | 0.373 |
| -0.5 | 255.0 | 0.574 | 0.187 |
| -0.5 | 285.0 | 0.477 | 0.248 |
| -0.5 | 315.0 | 0.309 | 0.128 |
| -0.5 | 345.0 | 0.174 | 0.0606 |
| -0.3 | 15.0 | 0.104 | 0.0767 |
| -0.3 | 45.0 | 0.306 | 0.119 |
| -0.3 | 75.0 | 0.857 | 0.274 |
| -0.3 | 105.0 | 0.711 | 0.185 |
| -0.3 | 135.0 | 0.963 | 0.353 |
| -0.3 | 225.0 | 0.946 | 0.346 |
| -0.3 | 255.0 | 0.757 | 0.194 |
| -0.3 | 285.0 | 0.468 | 0.159 |
| -0.3 | 315.0 | 0.35 | 0.122 |
| -0.3 | 345.0 | 0.256 | 0.142 |
| -0.1 | 15.0 | 0.353 | 0.268 |
| -0.1 | 45.0 | 0.461 | 0.15 |
| -0.1 | 75.0 | 0.881 | 0.227 |
| -0.1 | 105.0 | 1.02 | 0.223 |
| -0.1 | 135.0 | 0.473 | 0.165 |
| -0.1 | 225.0 | 0.675 | 0.24 |
| -0.1 | 255.0 | 1.21 | 0.281 |
| -0.1 | 285.0 | 0.608 | 0.169 |
| -0.1 | 315.0 | 0.376 | 0.148 |
| -0.1 | 345.0 | 0.658 | 0.372 |
| 0.1 | 15.0 | 0.47 | 0.212 |
| 0.1 | 45.0 | 1.45 | 0.437 |
| 0.1 | 75.0 | 0.662 | 0.169 |
| 0.1 | 105.0 | 0.717 | 0.164 |
| 0.1 | 135.0 | 0.893 | 0.37 |
| 0.1 | 225.0 | 0.668 | 0.306 |
| 0.1 | 255.0 | 1.28 | 0.279 |
| 0.1 | 285.0 | 0.693 | 0.19 |
| 0.1 | 315.0 | 0.567 | 0.184 |
| 0.1 | 345.0 | 0.392 | 0.181 |
| 0.3 | 15.0 | 0.903 | 0.379 |
| 0.3 | 45.0 | 0.409 | 0.136 |
| 0.3 | 75.0 | 0.743 | 0.172 |
| 0.3 | 105.0 | 0.829 | 0.178 |
| 0.3 | 135.0 | 1.5 | 0.667 |
| 0.3 | 165.0 | 1.62 | 0.96 |
| 0.3 | 195.0 | 0.352 | 0.395 |
| 0.3 | 225.0 | 1.09 | 0.379 |
| 0.3 | 255.0 | 0.887 | 0.186 |
| 0.3 | 285.0 | 0.939 | 0.218 |
| 0.3 | 315.0 | 0.631 | 0.199 |
| 0.3 | 345.0 | 0.252 | 0.126 |
| 0.5 | 15.0 | 0.234 | 0.116 |
| 0.5 | 45.0 | 0.269 | 0.113 |
| 0.5 | 75.0 | 0.344 | 0.104 |
| 0.5 | 105.0 | 0.313 | 0.0905 |
| 0.5 | 135.0 | 1.17 | 0.461 |
| 0.5 | 165.0 | 0.978 | 0.498 |
| 0.5 | 195.0 | 2.2 | 1.7 |
| 0.5 | 225.0 | 0.503 | 0.202 |
| 0.5 | 255.0 | 0.566 | 0.142 |
| 0.5 | 285.0 | 0.304 | 0.0875 |
| 0.5 | 315.0 | 0.791 | 0.219 |
| 0.5 | 345.0 | 0.491 | 0.204 |
| 0.7 | 15.0 | 2.78 | 1.36 |
| 0.7 | 45.0 | 0.668 | 0.252 |
| 0.7 | 75.0 | 0.669 | 0.218 |
| 0.7 | 105.0 | 0.705 | 0.194 |
| 0.7 | 135.0 | 0.73 | 0.336 |
| 0.7 | 165.0 | 1.09 | 0.837 |
| 0.7 | 195.0 | 0.587 | 0.397 |
| 0.7 | 225.0 | 0.438 | 0.206 |
| 0.7 | 255.0 | 1.12 | 0.31 |
| 0.7 | 285.0 | 0.431 | 0.125 |
| 0.7 | 315.0 | 0.372 | 0.175 |
| 0.7 | 345.0 | 0.564 | 0.238 |
| 0.9 | 45.0 | 0.477 | 0.19 |
| 0.9 | 75.0 | 0.556 | 0.23 |
| 0.9 | 105.0 | 0.613 | 0.216 |
| 0.9 | 135.0 | 0.344 | 0.202 |
| 0.9 | 165.0 | 0.484 | 0.596 |
| 0.9 | 225.0 | 1.17 | 0.621 |
| 0.9 | 255.0 | 0.173 | 0.0646 |
| 0.9 | 285.0 | 0.551 | 0.217 |
| 0.9 | 315.0 | 0.39 | 0.205 |
| 0.9 | 345.0 | 0.0834 | 0.0465 |
Experiment comment: