Measurement E9M40
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.28 GeV | |
| ε: | 0.659 | |
| 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 | syst. uncert. |
|---|---|---|---|---|
| -0.9 | 15.0 | 2.58 | 0.868 | 0.3504 |
| -0.9 | 45.0 | 1.41 | 0.453 | 0.1345 |
| -0.9 | 75.0 | 1.12 | 0.41 | 0.1781 |
| -0.9 | 105.0 | 1.12 | 0.379 | 0.2779 |
| -0.9 | 135.0 | 1.87 | 0.63 | 0.2414 |
| -0.9 | 165.0 | 1.5 | 0.548 | 0.2533 |
| -0.9 | 195.0 | 0.465 | 0.188 | 0.1701 |
| -0.9 | 225.0 | 0.814 | 0.279 | 0.1649 |
| -0.9 | 255.0 | 1.86 | 0.536 | 0.0907 |
| -0.9 | 285.0 | 2.03 | 0.653 | 0.3876 |
| -0.9 | 315.0 | 1.31 | 0.401 | 0.3398 |
| -0.9 | 345.0 | 1.0 | 0.32 | 0.1865 |
| -0.7 | 15.0 | 2.26 | 0.59 | 0.3748 |
| -0.7 | 45.0 | 1.31 | 0.341 | 0.0783 |
| -0.7 | 75.0 | 2.65 | 0.62 | 1.3255 |
| -0.7 | 105.0 | 1.79 | 0.539 | 0.6918 |
| -0.7 | 135.0 | 2.3 | 0.734 | 0.5579 |
| -0.7 | 165.0 | 0.657 | 0.247 | 0.1646 |
| -0.7 | 195.0 | 0.418 | 0.164 | 0.2389 |
| -0.7 | 225.0 | 1.02 | 0.321 | 0.3858 |
| -0.7 | 255.0 | 2.01 | 0.49 | 0.2715 |
| -0.7 | 285.0 | 2.06 | 0.599 | 0.4294 |
| -0.7 | 315.0 | 1.57 | 0.378 | 0.1457 |
| -0.7 | 345.0 | 1.29 | 0.363 | 0.2393 |
| -0.5 | 15.0 | 1.2 | 0.287 | 0.1774 |
| -0.5 | 45.0 | 1.77 | 0.432 | 0.1818 |
| -0.5 | 75.0 | 2.2 | 0.502 | 0.4032 |
| -0.5 | 105.0 | 2.43 | 0.617 | 0.2801 |
| -0.5 | 135.0 | 2.38 | 0.669 | 0.265 |
| -0.5 | 165.0 | 1.58 | 0.503 | 0.1837 |
| -0.5 | 195.0 | 1.43 | 0.39 | 0.4679 |
| -0.5 | 225.0 | 1.04 | 0.347 | 0.1138 |
| -0.5 | 255.0 | 1.82 | 0.464 | 0.3896 |
| -0.5 | 285.0 | 1.81 | 0.444 | 0.1115 |
| -0.5 | 315.0 | 1.5 | 0.39 | 0.1815 |
| -0.5 | 345.0 | 1.33 | 0.316 | 0.3329 |
| -0.3 | 15.0 | 1.84 | 0.406 | 0.0907 |
| -0.3 | 45.0 | 3.39 | 0.683 | 0.4222 |
| -0.3 | 75.0 | 5.58 | 1.12 | 0.7365 |
| -0.3 | 105.0 | 4.15 | 0.927 | 0.4004 |
| -0.3 | 135.0 | 2.22 | 0.689 | 0.7108 |
| -0.3 | 165.0 | 1.32 | 0.348 | 0.426 |
| -0.3 | 195.0 | 1.59 | 0.493 | 0.2169 |
| -0.3 | 225.0 | 1.4 | 0.421 | 0.3648 |
| -0.3 | 255.0 | 3.85 | 0.876 | 0.4065 |
| -0.3 | 285.0 | 3.64 | 0.932 | 0.8991 |
| -0.3 | 315.0 | 3.11 | 0.626 | 0.1849 |
| -0.3 | 345.0 | 1.45 | 0.337 | 0.2453 |
| -0.1 | 15.0 | 1.51 | 0.358 | 0.0955 |
| -0.1 | 45.0 | 1.72 | 0.384 | 0.035 |
| -0.1 | 75.0 | 2.71 | 0.71 | 0.1273 |
| -0.1 | 105.0 | 2.83 | 0.66 | 0.3017 |
| -0.1 | 135.0 | 5.98 | 1.47 | 0.9566 |
| -0.1 | 165.0 | 2.56 | 0.781 | 0.6748 |
| -0.1 | 195.0 | 1.27 | 0.357 | 0.3457 |
| -0.1 | 225.0 | 2.81 | 0.84 | 0.3202 |
| -0.1 | 255.0 | 3.29 | 0.817 | 0.1564 |
| -0.1 | 285.0 | 6.57 | 1.43 | 0.5784 |
| -0.1 | 315.0 | 2.66 | 0.592 | 0.295 |
| -0.1 | 345.0 | 1.37 | 0.309 | 0.1409 |
| 0.1 | 15.0 | 2.93 | 0.658 | 0.56 |
| 0.1 | 45.0 | 2.16 | 0.439 | 0.5557 |
| 0.1 | 75.0 | 3.29 | 0.714 | 0.3494 |
| 0.1 | 105.0 | 4.4 | 1.01 | 0.5695 |
| 0.1 | 135.0 | 3.87 | 1.2 | 0.8236 |
| 0.1 | 165.0 | 1.86 | 0.489 | 0.2956 |
| 0.1 | 195.0 | 4.09 | 1.07 | 1.0281 |
| 0.1 | 225.0 | 1.99 | 0.558 | 0.1119 |
| 0.1 | 255.0 | 3.71 | 0.939 | 0.6574 |
| 0.1 | 285.0 | 2.96 | 0.61 | 0.2178 |
| 0.1 | 315.0 | 1.78 | 0.406 | 0.4604 |
| 0.1 | 345.0 | 2.26 | 0.441 | 0.0626 |
| 0.3 | 15.0 | 2.11 | 0.431 | 0.7094 |
| 0.3 | 45.0 | 1.69 | 0.425 | 0.0696 |
| 0.3 | 75.0 | 2.87 | 0.642 | 0.1258 |
| 0.3 | 105.0 | 3.29 | 0.782 | 1.3476 |
| 0.3 | 135.0 | 1.93 | 0.583 | 0.194 |
| 0.3 | 165.0 | 3.01 | 0.761 | 0.4282 |
| 0.3 | 195.0 | 0.898 | 0.278 | 0.199 |
| 0.3 | 225.0 | 2.39 | 0.744 | 0.2977 |
| 0.3 | 255.0 | 1.86 | 0.527 | 0.2754 |
| 0.3 | 285.0 | 3.02 | 0.743 | 0.3437 |
| 0.3 | 315.0 | 2.43 | 0.553 | 0.1443 |
| 0.3 | 345.0 | 1.56 | 0.337 | 0.6281 |
| 0.5 | 15.0 | 1.33 | 0.336 | 0.3158 |
| 0.5 | 45.0 | 1.58 | 0.386 | 0.2033 |
| 0.5 | 75.0 | 2.79 | 0.656 | 0.2514 |
| 0.5 | 105.0 | 3.51 | 0.96 | 0.3659 |
| 0.5 | 135.0 | 6.16 | 2.11 | 1.0899 |
| 0.5 | 165.0 | 1.97 | 0.63 | 0.111 |
| 0.5 | 195.0 | 1.13 | 0.375 | 0.3581 |
| 0.5 | 225.0 | 3.89 | 1.29 | 1.0091 |
| 0.5 | 255.0 | 2.45 | 0.625 | 0.269 |
| 0.5 | 285.0 | 3.17 | 0.724 | 0.2177 |
| 0.5 | 315.0 | 1.84 | 0.448 | 0.2062 |
| 0.5 | 345.0 | 1.07 | 0.264 | 0.0945 |
| 0.7 | 15.0 | 1.14 | 0.333 | 0.2025 |
| 0.7 | 45.0 | 1.18 | 0.325 | 0.2199 |
| 0.7 | 75.0 | 2.95 | 0.76 | 0.3375 |
| 0.7 | 105.0 | 1.86 | 0.515 | 0.6662 |
| 0.7 | 135.0 | 0.95 | 0.327 | 0.5883 |
| 0.7 | 165.0 | 3.11 | 0.859 | 0.3291 |
| 0.7 | 195.0 | 2.14 | 0.615 | 0.4616 |
| 0.7 | 225.0 | 4.26 | 1.37 | 1.2238 |
| 0.7 | 255.0 | 3.12 | 0.835 | 0.5217 |
| 0.7 | 285.0 | 2.36 | 0.626 | 0.6564 |
| 0.7 | 315.0 | 2.01 | 0.565 | 0.3096 |
| 0.7 | 345.0 | 0.928 | 0.303 | 0.1106 |
| 0.9 | 15.0 | 0.907 | 0.354 | 0.2427 |
| 0.9 | 45.0 | 0.408 | 0.177 | 0.3262 |
| 0.9 | 75.0 | 2.27 | 0.818 | 0.8089 |
| 0.9 | 105.0 | 1.37 | 0.455 | 0.4713 |
| 0.9 | 135.0 | 3.23 | 1.15 | 0.586 |
| 0.9 | 165.0 | 2.32 | 0.813 | 0.4712 |
| 0.9 | 195.0 | 1.93 | 0.585 | 0.2351 |
| 0.9 | 225.0 | 2.57 | 0.848 | 0.6433 |
| 0.9 | 255.0 | 1.51 | 0.46 | 0.7552 |
| 0.9 | 285.0 | 2.69 | 0.921 | 0.4427 |
| 0.9 | 315.0 | 1.56 | 0.588 | 0.231 |
| 0.9 | 345.0 | 1.62 | 0.568 | 0.216 |
Experiment comment: