Measurement E9M205
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.32 GeV | |
| ε: | 0.832 | |
| 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 | 1.3 | 0.461 | 0.2852 |
| -0.9 | 45.0 | 1.1 | 0.36 | 0.3357 |
| -0.9 | 75.0 | 1.45 | 0.415 | 0.3361 |
| -0.9 | 105.0 | 1.44 | 0.439 | 0.2662 |
| -0.9 | 135.0 | 1.22 | 0.434 | 0.2805 |
| -0.9 | 165.0 | 0.953 | 0.342 | 0.2434 |
| -0.9 | 195.0 | 1.19 | 0.451 | 0.2446 |
| -0.9 | 225.0 | 1.61 | 0.553 | 0.2906 |
| -0.9 | 255.0 | 1.33 | 0.396 | 0.2824 |
| -0.9 | 285.0 | 1.4 | 0.414 | 0.2471 |
| -0.9 | 315.0 | 0.82 | 0.306 | 0.1603 |
| -0.9 | 345.0 | 1.43 | 0.495 | 0.3572 |
| -0.7 | 15.0 | 1.64 | 0.368 | 0.0618 |
| -0.7 | 45.0 | 2.61 | 0.593 | 0.2475 |
| -0.7 | 75.0 | 3.09 | 0.667 | 0.1358 |
| -0.7 | 105.0 | 5.26 | 1.09 | 0.9108 |
| -0.7 | 135.0 | 2.83 | 0.675 | 0.1468 |
| -0.7 | 165.0 | 0.961 | 0.302 | 0.1461 |
| -0.7 | 195.0 | 1.52 | 0.445 | 0.219 |
| -0.7 | 225.0 | 1.55 | 0.444 | 0.2041 |
| -0.7 | 255.0 | 3.4 | 0.85 | 0.5116 |
| -0.7 | 285.0 | 3.19 | 0.754 | 0.5367 |
| -0.7 | 315.0 | 2.87 | 0.612 | 0.3032 |
| -0.7 | 345.0 | 2.55 | 0.646 | 0.5857 |
| -0.5 | 15.0 | 3.08 | 0.596 | 0.3822 |
| -0.5 | 45.0 | 4.15 | 0.699 | 0.2798 |
| -0.5 | 75.0 | 6.87 | 1.4 | 1.5026 |
| -0.5 | 105.0 | 3.5 | 0.977 | 0.3866 |
| -0.5 | 135.0 | 3.42 | 1.05 | 0.7433 |
| -0.5 | 165.0 | 1.51 | 0.451 | 0.3756 |
| -0.5 | 195.0 | 1.12 | 0.316 | 0.3656 |
| -0.5 | 225.0 | 3.5 | 0.976 | 0.5659 |
| -0.5 | 255.0 | 5.64 | 1.3 | 0.8098 |
| -0.5 | 285.0 | 4.76 | 0.852 | 0.7657 |
| -0.5 | 315.0 | 2.77 | 0.518 | 0.3805 |
| -0.5 | 345.0 | 2.41 | 0.404 | 0.2446 |
| -0.3 | 15.0 | 2.57 | 0.478 | 0.2625 |
| -0.3 | 45.0 | 3.06 | 0.492 | 0.2254 |
| -0.3 | 75.0 | 4.97 | 1.04 | 0.7787 |
| -0.3 | 105.0 | 9.41 | 2.75 | 1.9976 |
| -0.3 | 135.0 | 4.24 | 1.63 | 0.5887 |
| -0.3 | 165.0 | 1.97 | 0.521 | 0.2422 |
| -0.3 | 195.0 | 4.22 | 1.04 | 0.5608 |
| -0.3 | 225.0 | 3.27 | 1.11 | 0.6224 |
| -0.3 | 255.0 | 2.41 | 0.967 | 0.6729 |
| -0.3 | 285.0 | 6.21 | 1.17 | 0.4845 |
| -0.3 | 315.0 | 3.84 | 0.63 | 0.4294 |
| -0.3 | 345.0 | 1.65 | 0.317 | 0.4501 |
| -0.1 | 15.0 | 2.64 | 0.505 | 0.1336 |
| -0.1 | 45.0 | 5.05 | 0.76 | 0.2638 |
| -0.1 | 75.0 | 3.43 | 0.826 | 0.4793 |
| -0.1 | 105.0 | 6.28 | 2.23 | 1.3306 |
| -0.1 | 135.0 | 0.878 | 0.907 | 1.3229 |
| -0.1 | 165.0 | 2.23 | 0.647 | 0.4658 |
| -0.1 | 195.0 | 1.38 | 0.522 | 0.3692 |
| -0.1 | 225.0 | 5.01 | 2.98 | 1.8786 |
| -0.1 | 255.0 | 4.84 | 1.65 | 1.4299 |
| -0.1 | 285.0 | 3.99 | 0.983 | 0.4605 |
| -0.1 | 315.0 | 3.54 | 0.561 | 0.1395 |
| -0.1 | 345.0 | 2.79 | 0.504 | 0.1877 |
| 0.1 | 15.0 | 2.07 | 0.431 | 0.0838 |
| 0.1 | 45.0 | 3.91 | 0.627 | 0.2533 |
| 0.1 | 75.0 | 5.46 | 1.36 | 0.7912 |
| 0.1 | 105.0 | 6.47 | 1.85 | 0.6885 |
| 0.1 | 135.0 | 6.18 | 2.66 | 0.9527 |
| 0.1 | 165.0 | 2.43 | 0.897 | 0.4004 |
| 0.1 | 195.0 | 3.68 | 1.28 | 0.6487 |
| 0.1 | 225.0 | 2.61 | 1.2 | 0.4784 |
| 0.1 | 255.0 | 2.75 | 0.998 | 0.3009 |
| 0.1 | 285.0 | 3.76 | 0.978 | 0.2495 |
| 0.1 | 315.0 | 3.47 | 0.573 | 0.2164 |
| 0.1 | 345.0 | 2.36 | 0.505 | 0.1699 |
| 0.3 | 15.0 | 1.53 | 0.346 | 0.0522 |
| 0.3 | 45.0 | 3.29 | 0.603 | 0.2589 |
| 0.3 | 75.0 | 4.14 | 1.08 | 0.2527 |
| 0.3 | 105.0 | 6.11 | 1.47 | 0.7769 |
| 0.3 | 135.0 | 9.25 | 4.16 | 2.5993 |
| 0.3 | 165.0 | 2.71 | 1.04 | 0.3007 |
| 0.3 | 195.0 | 4.6 | 1.69 | 0.7709 |
| 0.3 | 225.0 | 2.3 | 0.745 | 0.5476 |
| 0.3 | 255.0 | 6.48 | 1.52 | 0.3027 |
| 0.3 | 285.0 | 4.87 | 1.13 | 0.4965 |
| 0.3 | 315.0 | 2.49 | 0.457 | 0.2568 |
| 0.3 | 345.0 | 2.06 | 0.443 | 0.1882 |
| 0.5 | 15.0 | 1.92 | 0.383 | 0.1911 |
| 0.5 | 45.0 | 4.28 | 0.769 | 0.2179 |
| 0.5 | 75.0 | 8.07 | 2.19 | 0.4474 |
| 0.5 | 105.0 | 6.53 | 1.73 | 0.8609 |
| 0.5 | 135.0 | 2.69 | 1.17 | 0.8665 |
| 0.5 | 165.0 | 5.64 | 1.93 | 1.1601 |
| 0.5 | 195.0 | 2.52 | 0.944 | 0.7198 |
| 0.5 | 225.0 | 3.7 | 1.15 | 1.4918 |
| 0.5 | 255.0 | 4.67 | 1.16 | 1.1001 |
| 0.5 | 285.0 | 3.71 | 1.01 | 0.2849 |
| 0.5 | 315.0 | 2.33 | 0.444 | 0.0561 |
| 0.5 | 345.0 | 1.63 | 0.422 | 0.2312 |
| 0.7 | 15.0 | 2.43 | 0.569 | 0.257 |
| 0.7 | 45.0 | 2.33 | 0.445 | 1.0504 |
| 0.7 | 75.0 | 2.53 | 0.747 | 0.4009 |
| 0.7 | 105.0 | 5.27 | 1.59 | 1.0303 |
| 0.7 | 135.0 | 6.91 | 2.91 | 2.9078 |
| 0.7 | 165.0 | 1.82 | 0.767 | 0.4474 |
| 0.7 | 195.0 | 1.88 | 0.684 | 1.0088 |
| 0.7 | 225.0 | 4.76 | 1.78 | 4.3391 |
| 0.7 | 255.0 | 3.69 | 1.08 | 0.6448 |
| 0.7 | 285.0 | 3.04 | 0.836 | 0.4489 |
| 0.7 | 315.0 | 2.29 | 0.486 | 0.2423 |
| 0.7 | 345.0 | 2.56 | 0.565 | 0.4228 |
| 0.9 | 15.0 | 1.25 | 0.353 | 0.2848 |
| 0.9 | 45.0 | 1.08 | 0.354 | 0.227 |
| 0.9 | 75.0 | 2.02 | 0.672 | 0.3318 |
| 0.9 | 105.0 | 2.57 | 0.813 | 0.7623 |
| 0.9 | 135.0 | 2.65 | 1.18 | 0.9795 |
| 0.9 | 165.0 | 0.898 | 0.369 | 0.1776 |
| 0.9 | 195.0 | 3.59 | 1.36 | 1.1129 |
| 0.9 | 225.0 | 2.08 | 0.79 | 1.0281 |
| 0.9 | 255.0 | 2.74 | 0.94 | 1.3675 |
| 0.9 | 285.0 | 1.64 | 0.483 | 0.3419 |
| 0.9 | 315.0 | 1.22 | 0.346 | 0.2986 |
| 0.9 | 345.0 | 1.43 | 0.449 | 0.3049 |
Experiment comment: