Measurement E9M18
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.44 GeV | |
| ε: | 0.683 | |
| 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 | 0.0954 | 0.0708 |
| -0.9 | 45.0 | 0.143 | 0.105 |
| -0.9 | 75.0 | 0.423 | 0.264 |
| -0.9 | 105.0 | 1.37 | 0.71 |
| -0.9 | 135.0 | 1.36 | 0.698 |
| -0.9 | 165.0 | 1.08 | 0.506 |
| -0.9 | 195.0 | 1.14 | 0.472 |
| -0.9 | 225.0 | 1.48 | 0.78 |
| -0.9 | 255.0 | 0.309 | 0.189 |
| -0.9 | 285.0 | 0.573 | 0.262 |
| -0.9 | 315.0 | 0.0829 | 0.0846 |
| -0.9 | 345.0 | 0.147 | 0.0914 |
| -0.7 | 15.0 | 0.645 | 0.267 |
| -0.7 | 45.0 | 1.25 | 0.417 |
| -0.7 | 75.0 | 0.708 | 0.425 |
| -0.7 | 105.0 | 0.666 | 0.402 |
| -0.7 | 135.0 | 2.0 | 0.82 |
| -0.7 | 165.0 | 0.479 | 0.501 |
| -0.7 | 195.0 | 1.32 | 1.03 |
| -0.7 | 225.0 | 2.45 | 1.26 |
| -0.7 | 255.0 | 1.64 | 0.634 |
| -0.7 | 285.0 | 2.47 | 0.976 |
| -0.7 | 315.0 | 0.768 | 0.307 |
| -0.7 | 345.0 | 0.15 | 0.108 |
| -0.5 | 15.0 | 1.18 | 0.334 |
| -0.5 | 45.0 | 1.09 | 0.386 |
| -0.5 | 75.0 | 2.43 | 0.666 |
| -0.5 | 105.0 | 2.6 | 0.595 |
| -0.5 | 135.0 | 3.46 | 0.781 |
| -0.5 | 195.0 | 3.55 | 2.6 |
| -0.5 | 225.0 | 3.03 | 0.617 |
| -0.5 | 255.0 | 2.75 | 0.589 |
| -0.5 | 285.0 | 1.42 | 0.501 |
| -0.5 | 315.0 | 1.83 | 0.58 |
| -0.5 | 345.0 | 0.735 | 0.238 |
| -0.3 | 15.0 | 1.12 | 0.261 |
| -0.3 | 45.0 | 2.46 | 0.637 |
| -0.3 | 75.0 | 2.17 | 0.55 |
| -0.3 | 105.0 | 3.37 | 0.557 |
| -0.3 | 135.0 | 2.02 | 0.534 |
| -0.3 | 165.0 | 4.55 | 2.86 |
| -0.3 | 195.0 | 1.83 | 1.45 |
| -0.3 | 225.0 | 3.21 | 0.702 |
| -0.3 | 255.0 | 3.54 | 0.625 |
| -0.3 | 285.0 | 3.81 | 0.799 |
| -0.3 | 315.0 | 4.38 | 1.07 |
| -0.3 | 345.0 | 2.22 | 0.449 |
| -0.1 | 15.0 | 1.53 | 0.353 |
| -0.1 | 45.0 | 1.99 | 0.514 |
| -0.1 | 75.0 | 4.35 | 0.886 |
| -0.1 | 105.0 | 5.07 | 0.863 |
| -0.1 | 135.0 | 1.78 | 0.483 |
| -0.1 | 225.0 | 2.51 | 0.696 |
| -0.1 | 255.0 | 3.09 | 0.56 |
| -0.1 | 285.0 | 4.89 | 0.911 |
| -0.1 | 315.0 | 2.8 | 0.725 |
| -0.1 | 345.0 | 1.2 | 0.285 |
| 0.1 | 15.0 | 1.87 | 0.465 |
| 0.1 | 45.0 | 3.28 | 0.72 |
| 0.1 | 75.0 | 2.67 | 0.532 |
| 0.1 | 105.0 | 3.03 | 0.522 |
| 0.1 | 135.0 | 2.22 | 0.911 |
| 0.1 | 165.0 | 0.866 | 0.936 |
| 0.1 | 195.0 | 2.08 | 1.7 |
| 0.1 | 225.0 | 1.97 | 0.717 |
| 0.1 | 255.0 | 3.92 | 0.737 |
| 0.1 | 285.0 | 2.99 | 0.587 |
| 0.1 | 315.0 | 3.06 | 0.732 |
| 0.1 | 345.0 | 1.92 | 0.489 |
| 0.3 | 15.0 | 1.34 | 0.368 |
| 0.3 | 45.0 | 1.93 | 0.528 |
| 0.3 | 75.0 | 1.78 | 0.359 |
| 0.3 | 105.0 | 2.66 | 0.524 |
| 0.3 | 135.0 | 1.38 | 0.659 |
| 0.3 | 165.0 | 2.8 | 1.03 |
| 0.3 | 195.0 | 2.12 | 1.0 |
| 0.3 | 225.0 | 3.77 | 1.36 |
| 0.3 | 255.0 | 3.2 | 0.646 |
| 0.3 | 285.0 | 2.13 | 0.413 |
| 0.3 | 315.0 | 2.06 | 0.515 |
| 0.3 | 345.0 | 2.91 | 0.685 |
| 0.5 | 15.0 | 2.72 | 0.643 |
| 0.5 | 45.0 | 1.79 | 0.46 |
| 0.5 | 75.0 | 1.0 | 0.253 |
| 0.5 | 105.0 | 1.97 | 0.458 |
| 0.5 | 135.0 | 1.13 | 0.441 |
| 0.5 | 165.0 | 1.59 | 0.68 |
| 0.5 | 195.0 | 0.653 | 0.404 |
| 0.5 | 225.0 | 3.75 | 1.31 |
| 0.5 | 255.0 | 3.06 | 0.634 |
| 0.5 | 285.0 | 2.56 | 0.512 |
| 0.5 | 315.0 | 2.45 | 0.639 |
| 0.5 | 345.0 | 2.44 | 0.564 |
| 0.7 | 15.0 | 1.55 | 0.4 |
| 0.7 | 45.0 | 1.08 | 0.356 |
| 0.7 | 75.0 | 2.34 | 0.544 |
| 0.7 | 105.0 | 1.21 | 0.398 |
| 0.7 | 135.0 | 0.564 | 0.419 |
| 0.7 | 165.0 | 1.94 | 1.35 |
| 0.7 | 195.0 | 1.69 | 0.909 |
| 0.7 | 225.0 | 1.0 | 0.491 |
| 0.7 | 255.0 | 1.97 | 0.525 |
| 0.7 | 285.0 | 1.13 | 0.333 |
| 0.7 | 315.0 | 1.58 | 0.451 |
| 0.7 | 345.0 | 2.69 | 0.6 |
| 0.9 | 15.0 | 1.19 | 0.36 |
| 0.9 | 45.0 | 2.11 | 0.794 |
| 0.9 | 75.0 | 0.785 | 0.308 |
| 0.9 | 105.0 | 0.566 | 0.206 |
| 0.9 | 135.0 | 0.211 | 0.22 |
| 0.9 | 165.0 | 1.06 | 1.23 |
| 0.9 | 225.0 | 0.932 | 0.537 |
| 0.9 | 255.0 | 2.21 | 0.641 |
| 0.9 | 285.0 | 0.985 | 0.323 |
| 0.9 | 315.0 | 0.724 | 0.267 |
| 0.9 | 345.0 | 1.42 | 0.448 |
Experiment comment: