Measurement E9M268
| 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: | 1.38 GeV | |
| ε: | 0.696 | |
| 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 | 0.182 | 0.0701 |
| -0.9 | 45.0 | 0.272 | 0.111 |
| -0.9 | 75.0 | 0.499 | 0.191 |
| -0.9 | 105.0 | 1.03 | 0.435 |
| -0.9 | 135.0 | 0.279 | 0.112 |
| -0.9 | 165.0 | 0.555 | 0.184 |
| -0.9 | 195.0 | 1.04 | 0.363 |
| -0.9 | 225.0 | 0.238 | 0.0951 |
| -0.9 | 255.0 | 0.327 | 0.143 |
| -0.9 | 285.0 | 0.898 | 0.283 |
| -0.9 | 315.0 | 0.741 | 0.253 |
| -0.9 | 345.0 | 0.352 | 0.129 |
| -0.7 | 15.0 | 0.643 | 0.189 |
| -0.7 | 45.0 | 0.655 | 0.178 |
| -0.7 | 75.0 | 0.735 | 0.249 |
| -0.7 | 105.0 | 0.728 | 0.247 |
| -0.7 | 135.0 | 0.957 | 0.347 |
| -0.7 | 165.0 | 0.5 | 0.164 |
| -0.7 | 195.0 | 1.01 | 0.286 |
| -0.7 | 225.0 | 0.895 | 0.314 |
| -0.7 | 255.0 | 1.37 | 0.41 |
| -0.7 | 285.0 | 1.02 | 0.265 |
| -0.7 | 315.0 | 1.2 | 0.3 |
| -0.7 | 345.0 | 0.448 | 0.113 |
| -0.5 | 15.0 | 1.48 | 0.341 |
| -0.5 | 45.0 | 0.829 | 0.209 |
| -0.5 | 75.0 | 2.76 | 0.734 |
| -0.5 | 105.0 | 1.01 | 0.327 |
| -0.5 | 135.0 | 2.04 | 0.665 |
| -0.5 | 165.0 | 1.35 | 0.39 |
| -0.5 | 195.0 | 1.65 | 0.525 |
| -0.5 | 225.0 | 2.49 | 0.956 |
| -0.5 | 255.0 | 1.13 | 0.342 |
| -0.5 | 285.0 | 1.58 | 0.411 |
| -0.5 | 315.0 | 1.08 | 0.241 |
| -0.5 | 345.0 | 0.745 | 0.188 |
| -0.3 | 15.0 | 1.04 | 0.243 |
| -0.3 | 45.0 | 2.14 | 0.452 |
| -0.3 | 75.0 | 2.01 | 0.562 |
| -0.3 | 105.0 | 1.78 | 0.472 |
| -0.3 | 135.0 | 2.7 | 1.16 |
| -0.3 | 165.0 | 1.28 | 0.57 |
| -0.3 | 195.0 | 1.11 | 0.384 |
| -0.3 | 225.0 | 1.93 | 0.867 |
| -0.3 | 255.0 | 1.45 | 0.381 |
| -0.3 | 285.0 | 2.67 | 0.612 |
| -0.3 | 315.0 | 1.69 | 0.359 |
| -0.3 | 345.0 | 1.68 | 0.326 |
| -0.1 | 15.0 | 0.852 | 0.183 |
| -0.1 | 45.0 | 1.08 | 0.274 |
| -0.1 | 75.0 | 2.61 | 0.629 |
| -0.1 | 105.0 | 3.49 | 0.965 |
| -0.1 | 135.0 | 2.8 | 0.806 |
| -0.1 | 165.0 | 1.3 | 0.455 |
| -0.1 | 195.0 | 0.6 | 0.331 |
| -0.1 | 225.0 | 0.587 | 0.313 |
| -0.1 | 255.0 | 2.42 | 0.588 |
| -0.1 | 285.0 | 1.98 | 0.487 |
| -0.1 | 315.0 | 1.24 | 0.27 |
| -0.1 | 345.0 | 1.77 | 0.369 |
| 0.1 | 15.0 | 1.96 | 0.369 |
| 0.1 | 45.0 | 0.998 | 0.251 |
| 0.1 | 75.0 | 2.91 | 0.622 |
| 0.1 | 105.0 | 2.63 | 0.608 |
| 0.1 | 135.0 | 3.09 | 1.05 |
| 0.1 | 165.0 | 0.386 | 0.243 |
| 0.1 | 195.0 | 2.56 | 1.97 |
| 0.1 | 225.0 | 3.45 | 0.99 |
| 0.1 | 255.0 | 3.16 | 0.77 |
| 0.1 | 285.0 | 2.24 | 0.502 |
| 0.1 | 315.0 | 0.931 | 0.199 |
| 0.1 | 345.0 | 1.42 | 0.282 |
| 0.3 | 15.0 | 0.706 | 0.165 |
| 0.3 | 45.0 | 1.24 | 0.296 |
| 0.3 | 75.0 | 2.11 | 0.473 |
| 0.3 | 105.0 | 3.07 | 0.686 |
| 0.3 | 135.0 | 0.872 | 0.3 |
| 0.3 | 165.0 | 1.24 | 1.05 |
| 0.3 | 195.0 | 5.35 | 4.66 |
| 0.3 | 225.0 | 1.8 | 0.565 |
| 0.3 | 255.0 | 2.11 | 0.508 |
| 0.3 | 285.0 | 1.74 | 0.503 |
| 0.3 | 315.0 | 1.21 | 0.266 |
| 0.3 | 345.0 | 0.953 | 0.195 |
| 0.5 | 15.0 | 0.647 | 0.155 |
| 0.5 | 45.0 | 0.548 | 0.152 |
| 0.5 | 75.0 | 1.32 | 0.378 |
| 0.5 | 105.0 | 0.909 | 0.253 |
| 0.5 | 135.0 | 1.68 | 0.552 |
| 0.5 | 195.0 | 1.03 | 1.27 |
| 0.5 | 225.0 | 0.97 | 0.258 |
| 0.5 | 255.0 | 1.46 | 0.404 |
| 0.5 | 285.0 | 1.6 | 0.388 |
| 0.5 | 315.0 | 0.849 | 0.233 |
| 0.5 | 345.0 | 0.869 | 0.184 |
| 0.7 | 15.0 | 0.709 | 0.195 |
| 0.7 | 45.0 | 0.738 | 0.201 |
| 0.7 | 75.0 | 1.43 | 0.494 |
| 0.7 | 105.0 | 0.734 | 0.229 |
| 0.7 | 135.0 | 1.49 | 0.618 |
| 0.7 | 165.0 | 1.61 | 1.09 |
| 0.7 | 195.0 | 1.97 | 1.15 |
| 0.7 | 225.0 | 1.7 | 0.641 |
| 0.7 | 255.0 | 1.64 | 0.552 |
| 0.7 | 285.0 | 1.57 | 0.509 |
| 0.7 | 315.0 | 1.23 | 0.342 |
| 0.7 | 345.0 | 0.961 | 0.276 |
| 0.9 | 15.0 | 0.627 | 0.217 |
| 0.9 | 45.0 | 0.364 | 0.161 |
| 0.9 | 75.0 | 2.08 | 1.03 |
| 0.9 | 105.0 | 0.542 | 0.254 |
| 0.9 | 135.0 | 3.16 | 1.69 |
| 0.9 | 165.0 | 1.67 | 1.03 |
| 0.9 | 195.0 | 1.41 | 0.739 |
| 0.9 | 225.0 | 0.565 | 0.415 |
| 0.9 | 255.0 | 0.628 | 0.325 |
| 0.9 | 285.0 | 1.1 | 0.506 |
| 0.9 | 315.0 | 0.765 | 0.334 |
| 0.9 | 345.0 | 0.572 | 0.197 |
Experiment comment: