Measurement E9M275
| 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: | 1.52 GeV | |
| ε: | 0.605 | |
| 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 | 0.33 | 0.137 |
| -0.9 | 45.0 | 0.685 | 0.248 |
| -0.9 | 75.0 | 0.269 | 0.172 |
| -0.9 | 105.0 | 1.13 | 0.517 |
| -0.9 | 135.0 | 0.58 | 0.226 |
| -0.9 | 165.0 | 0.983 | 0.466 |
| -0.9 | 195.0 | 1.45 | 0.572 |
| -0.9 | 225.0 | 1.22 | 0.636 |
| -0.9 | 255.0 | 0.398 | 0.168 |
| -0.9 | 285.0 | 0.214 | 0.104 |
| -0.9 | 315.0 | 0.638 | 0.225 |
| -0.9 | 345.0 | 0.362 | 0.149 |
| -0.7 | 15.0 | 0.403 | 0.116 |
| -0.7 | 45.0 | 0.718 | 0.212 |
| -0.7 | 75.0 | 1.39 | 0.448 |
| -0.7 | 105.0 | 1.24 | 0.501 |
| -0.7 | 135.0 | 0.344 | 0.194 |
| -0.7 | 165.0 | 1.54 | 0.618 |
| -0.7 | 195.0 | 2.59 | 1.08 |
| -0.7 | 225.0 | 3.2 | 2.01 |
| -0.7 | 255.0 | 1.19 | 0.422 |
| -0.7 | 285.0 | 0.521 | 0.177 |
| -0.7 | 315.0 | 0.313 | 0.1 |
| -0.7 | 345.0 | 0.425 | 0.128 |
| -0.5 | 15.0 | 0.524 | 0.165 |
| -0.5 | 45.0 | 0.97 | 0.295 |
| -0.5 | 75.0 | 1.36 | 0.348 |
| -0.5 | 105.0 | 0.902 | 0.251 |
| -0.5 | 135.0 | 1.35 | 0.482 |
| -0.5 | 165.0 | 2.48 | 2.03 |
| -0.5 | 195.0 | 2.09 | 1.6 |
| -0.5 | 225.0 | 3.54 | 1.4 |
| -0.5 | 255.0 | 3.58 | 1.04 |
| -0.5 | 285.0 | 1.01 | 0.277 |
| -0.5 | 315.0 | 0.881 | 0.235 |
| -0.5 | 345.0 | 0.544 | 0.159 |
| -0.3 | 15.0 | 1.13 | 0.639 |
| -0.3 | 45.0 | 1.52 | 0.404 |
| -0.3 | 75.0 | 0.668 | 0.229 |
| -0.3 | 105.0 | 2.1 | 0.452 |
| -0.3 | 135.0 | 2.11 | 0.463 |
| -0.3 | 165.0 | 2.0 | 1.74 |
| -0.3 | 195.0 | 2.37 | 1.59 |
| -0.3 | 225.0 | 1.28 | 0.301 |
| -0.3 | 255.0 | 2.17 | 0.42 |
| -0.3 | 285.0 | 2.71 | 0.62 |
| -0.3 | 315.0 | 1.04 | 0.289 |
| -0.3 | 345.0 | 0.758 | 0.342 |
| -0.1 | 15.0 | 0.935 | 0.455 |
| -0.1 | 45.0 | 0.803 | 0.218 |
| -0.1 | 75.0 | 1.69 | 0.368 |
| -0.1 | 105.0 | 1.3 | 0.225 |
| -0.1 | 135.0 | 2.19 | 0.425 |
| -0.1 | 165.0 | 1.75 | 1.47 |
| -0.1 | 195.0 | 4.46 | 2.59 |
| -0.1 | 225.0 | 2.54 | 0.429 |
| -0.1 | 255.0 | 2.71 | 0.439 |
| -0.1 | 285.0 | 1.93 | 0.343 |
| -0.1 | 315.0 | 1.92 | 0.463 |
| -0.1 | 345.0 | 0.643 | 0.318 |
| 0.1 | 15.0 | 0.888 | 0.396 |
| 0.1 | 45.0 | 1.52 | 0.38 |
| 0.1 | 75.0 | 1.94 | 0.387 |
| 0.1 | 105.0 | 2.35 | 0.397 |
| 0.1 | 135.0 | 3.44 | 0.689 |
| 0.1 | 165.0 | 5.25 | 7.43 |
| 0.1 | 195.0 | 1.88 | 1.33 |
| 0.1 | 225.0 | 1.92 | 0.351 |
| 0.1 | 255.0 | 3.27 | 0.506 |
| 0.1 | 285.0 | 2.02 | 0.415 |
| 0.1 | 315.0 | 2.98 | 0.682 |
| 0.1 | 345.0 | 0.961 | 0.442 |
| 0.3 | 15.0 | 0.7 | 0.384 |
| 0.3 | 45.0 | 2.47 | 0.59 |
| 0.3 | 75.0 | 1.68 | 0.312 |
| 0.3 | 105.0 | 2.16 | 0.331 |
| 0.3 | 135.0 | 1.85 | 0.359 |
| 0.3 | 165.0 | 6.34 | 8.98 |
| 0.3 | 225.0 | 1.27 | 0.288 |
| 0.3 | 255.0 | 2.53 | 0.388 |
| 0.3 | 285.0 | 2.23 | 0.417 |
| 0.3 | 315.0 | 0.817 | 0.239 |
| 0.3 | 345.0 | 0.613 | 0.273 |
| 0.5 | 15.0 | 0.682 | 0.229 |
| 0.5 | 45.0 | 0.898 | 0.25 |
| 0.5 | 75.0 | 1.5 | 0.306 |
| 0.5 | 105.0 | 1.67 | 0.3 |
| 0.5 | 135.0 | 1.91 | 0.504 |
| 0.5 | 225.0 | 2.26 | 0.606 |
| 0.5 | 255.0 | 1.59 | 0.265 |
| 0.5 | 285.0 | 1.18 | 0.254 |
| 0.5 | 315.0 | 0.989 | 0.26 |
| 0.5 | 345.0 | 3.49 | 1.2 |
| 0.7 | 15.0 | 0.509 | 0.284 |
| 0.7 | 45.0 | 1.4 | 0.433 |
| 0.7 | 75.0 | 1.33 | 0.354 |
| 0.7 | 105.0 | 2.14 | 0.477 |
| 0.7 | 135.0 | 0.626 | 0.223 |
| 0.7 | 225.0 | 0.76 | 0.259 |
| 0.7 | 255.0 | 1.27 | 0.258 |
| 0.7 | 285.0 | 0.883 | 0.218 |
| 0.7 | 315.0 | 0.572 | 0.193 |
| 0.7 | 345.0 | 1.2 | 0.463 |
| 0.9 | 15.0 | 0.606 | 0.346 |
| 0.9 | 45.0 | 0.576 | 0.216 |
| 0.9 | 75.0 | 1.22 | 0.38 |
| 0.9 | 105.0 | 0.409 | 0.145 |
| 0.9 | 135.0 | 0.552 | 0.271 |
| 0.9 | 225.0 | 0.25 | 0.139 |
| 0.9 | 255.0 | 0.567 | 0.182 |
| 0.9 | 285.0 | 0.351 | 0.138 |
| 0.9 | 315.0 | 0.391 | 0.171 |
| 0.9 | 345.0 | 0.224 | 0.115 |
Experiment comment: