Measurement E9M256
| 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: | 1.14 GeV | |
| ε: | 0.798 | |
| 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 | 0.846 | 0.47 | 0.2273 |
| -0.9 | 45.0 | 1.08 | 0.505 | 0.1998 |
| -0.9 | 75.0 | 0.237 | 0.149 | 0.1382 |
| -0.9 | 105.0 | 1.62 | 0.687 | 3.2091 |
| -0.9 | 135.0 | 0.8 | 0.352 | 0.3312 |
| -0.9 | 165.0 | 1.16 | 0.47 | 0.2559 |
| -0.9 | 195.0 | 0.986 | 0.39 | 0.251 |
| -0.9 | 225.0 | 1.0 | 0.423 | 0.2146 |
| -0.9 | 255.0 | 0.451 | 0.215 | 0.2614 |
| -0.9 | 285.0 | 1.25 | 0.575 | 0.4427 |
| -0.9 | 315.0 | 4.58 | 2.2 | 2.2568 |
| -0.9 | 345.0 | 5.25 | 2.57 | 2.1638 |
| -0.7 | 15.0 | 1.19 | 0.519 | 0.2928 |
| -0.7 | 45.0 | 0.525 | 0.273 | 0.1519 |
| -0.7 | 75.0 | 1.1 | 0.408 | 0.1684 |
| -0.7 | 105.0 | 0.745 | 0.268 | 0.1173 |
| -0.7 | 135.0 | 0.364 | 0.173 | 0.1708 |
| -0.7 | 165.0 | 2.3 | 0.854 | 0.8001 |
| -0.7 | 195.0 | 1.02 | 0.43 | 0.3165 |
| -0.7 | 225.0 | 0.983 | 0.312 | 0.2992 |
| -0.7 | 255.0 | 1.15 | 0.437 | 0.2395 |
| -0.7 | 285.0 | 0.536 | 0.241 | 0.5942 |
| -0.7 | 315.0 | 0.506 | 0.212 | 0.183 |
| -0.7 | 345.0 | 1.15 | 0.496 | 0.2169 |
| -0.5 | 15.0 | 0.575 | 0.237 | 0.4329 |
| -0.5 | 45.0 | 1.23 | 0.441 | 0.42 |
| -0.5 | 75.0 | 0.788 | 0.312 | 0.2339 |
| -0.5 | 105.0 | 1.07 | 0.34 | 0.2224 |
| -0.5 | 135.0 | 1.85 | 0.513 | 0.5044 |
| -0.5 | 165.0 | 2.54 | 0.577 | 0.2621 |
| -0.5 | 195.0 | 2.8 | 0.808 | 1.202 |
| -0.5 | 225.0 | 1.92 | 0.564 | 0.3053 |
| -0.5 | 255.0 | 1.09 | 0.387 | 0.284 |
| -0.5 | 285.0 | 1.22 | 0.417 | 0.4027 |
| -0.5 | 315.0 | 2.13 | 0.734 | 0.5213 |
| -0.5 | 345.0 | 1.4 | 0.487 | 0.2428 |
| -0.3 | 15.0 | 1.05 | 0.397 | 0.1616 |
| -0.3 | 45.0 | 2.33 | 0.736 | 0.4399 |
| -0.3 | 75.0 | 1.37 | 0.478 | 0.3762 |
| -0.3 | 105.0 | 1.76 | 0.546 | 0.323 |
| -0.3 | 135.0 | 1.77 | 0.487 | 0.3265 |
| -0.3 | 165.0 | 2.68 | 0.671 | 0.4232 |
| -0.3 | 195.0 | 1.97 | 0.49 | 0.2286 |
| -0.3 | 225.0 | 1.28 | 0.352 | 0.7054 |
| -0.3 | 255.0 | 0.918 | 0.29 | 0.3218 |
| -0.3 | 285.0 | 1.14 | 0.443 | 0.2438 |
| -0.3 | 315.0 | 0.673 | 0.258 | 0.0883 |
| -0.3 | 345.0 | 0.44 | 0.161 | 0.2219 |
| -0.1 | 15.0 | 1.25 | 0.466 | 0.209 |
| -0.1 | 45.0 | 1.47 | 0.442 | 0.2985 |
| -0.1 | 75.0 | 1.63 | 0.49 | 0.1861 |
| -0.1 | 105.0 | 1.63 | 0.546 | 0.3177 |
| -0.1 | 135.0 | 2.2 | 0.652 | 0.3986 |
| -0.1 | 165.0 | 1.38 | 0.359 | 0.4912 |
| -0.1 | 195.0 | 4.54 | 1.07 | 1.0472 |
| -0.1 | 225.0 | 1.55 | 0.417 | 0.2657 |
| -0.1 | 255.0 | 1.71 | 0.459 | 0.3781 |
| -0.1 | 285.0 | 1.64 | 0.51 | 0.2475 |
| -0.1 | 315.0 | 0.927 | 0.357 | 0.2022 |
| -0.1 | 345.0 | 0.864 | 0.275 | 0.3203 |
| 0.1 | 15.0 | 0.897 | 0.335 | 0.1152 |
| 0.1 | 45.0 | 0.601 | 0.268 | 0.0871 |
| 0.1 | 75.0 | 1.58 | 0.511 | 0.2733 |
| 0.1 | 105.0 | 3.15 | 0.875 | 0.2765 |
| 0.1 | 135.0 | 2.16 | 0.527 | 0.1808 |
| 0.1 | 165.0 | 3.4 | 0.797 | 0.298 |
| 0.1 | 195.0 | 2.75 | 0.702 | 0.3819 |
| 0.1 | 225.0 | 3.07 | 0.913 | 0.8464 |
| 0.1 | 255.0 | 1.32 | 0.382 | 0.1175 |
| 0.1 | 285.0 | 2.06 | 0.539 | 0.3816 |
| 0.1 | 315.0 | 0.71 | 0.237 | 0.0549 |
| 0.1 | 345.0 | 0.621 | 0.275 | 0.1166 |
| 0.3 | 15.0 | 0.718 | 0.247 | 0.0658 |
| 0.3 | 45.0 | 1.9 | 0.55 | 0.3341 |
| 0.3 | 75.0 | 2.71 | 0.748 | 0.4732 |
| 0.3 | 105.0 | 1.68 | 0.473 | 0.524 |
| 0.3 | 135.0 | 1.28 | 0.374 | 0.1439 |
| 0.3 | 165.0 | 4.03 | 0.851 | 0.402 |
| 0.3 | 195.0 | 2.4 | 0.529 | 0.3116 |
| 0.3 | 225.0 | 3.26 | 0.814 | 0.6935 |
| 0.3 | 255.0 | 1.51 | 0.439 | 0.1409 |
| 0.3 | 285.0 | 1.68 | 0.533 | 0.164 |
| 0.3 | 315.0 | 2.2 | 0.61 | 0.5197 |
| 0.3 | 345.0 | 1.22 | 0.411 | 0.1946 |
| 0.5 | 15.0 | 0.518 | 0.186 | 0.2155 |
| 0.5 | 45.0 | 0.968 | 0.347 | 0.1816 |
| 0.5 | 75.0 | 2.19 | 0.61 | 0.3222 |
| 0.5 | 105.0 | 2.26 | 0.575 | 0.377 |
| 0.5 | 135.0 | 3.3 | 0.804 | 0.5283 |
| 0.5 | 165.0 | 3.0 | 0.678 | 0.5691 |
| 0.5 | 195.0 | 3.2 | 0.677 | 0.4881 |
| 0.5 | 225.0 | 1.61 | 0.481 | 0.2666 |
| 0.5 | 255.0 | 1.19 | 0.367 | 0.2004 |
| 0.5 | 285.0 | 2.31 | 0.606 | 0.2481 |
| 0.5 | 315.0 | 1.01 | 0.321 | 0.3766 |
| 0.5 | 345.0 | 2.15 | 0.631 | 0.3489 |
| 0.7 | 15.0 | 3.56 | 1.07 | 1.0561 |
| 0.7 | 45.0 | 1.85 | 0.541 | 0.2516 |
| 0.7 | 75.0 | 1.26 | 0.351 | 0.2999 |
| 0.7 | 105.0 | 2.7 | 0.759 | 0.4631 |
| 0.7 | 135.0 | 3.25 | 0.83 | 0.4412 |
| 0.7 | 165.0 | 1.55 | 0.387 | 0.9658 |
| 0.7 | 195.0 | 3.84 | 0.897 | 0.6465 |
| 0.7 | 225.0 | 2.58 | 0.602 | 0.3334 |
| 0.7 | 255.0 | 1.0 | 0.388 | 0.1486 |
| 0.7 | 285.0 | 3.93 | 1.05 | 0.7454 |
| 0.7 | 315.0 | 1.61 | 0.494 | 0.3772 |
| 0.7 | 345.0 | 2.03 | 0.577 | 0.5146 |
| 0.9 | 15.0 | 1.82 | 0.573 | 0.2528 |
| 0.9 | 45.0 | 1.0 | 0.378 | 0.4988 |
| 0.9 | 75.0 | 2.15 | 0.728 | 0.3059 |
| 0.9 | 105.0 | 4.75 | 1.66 | 1.1281 |
| 0.9 | 135.0 | 1.57 | 0.535 | 0.3042 |
| 0.9 | 165.0 | 5.73 | 1.53 | 1.5369 |
| 0.9 | 195.0 | 2.19 | 0.613 | 0.2065 |
| 0.9 | 225.0 | 1.95 | 0.52 | 0.6759 |
| 0.9 | 255.0 | 3.94 | 1.22 | 0.6529 |
| 0.9 | 285.0 | 1.14 | 0.375 | 0.7865 |
| 0.9 | 315.0 | 2.17 | 0.689 | 0.686 |
| 0.9 | 345.0 | 3.92 | 1.22 | 1.0638 |
Experiment comment: