Measurement E9M65
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.2 GeV | |
| ε: | 0.592 | |
| 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 | 0.839 | 0.449 | 0.4163 |
| -0.9 | 45.0 | 1.6 | 0.595 | 0.2288 |
| -0.9 | 75.0 | 1.71 | 0.647 | 0.2507 |
| -0.9 | 105.0 | 1.14 | 0.562 | 0.1998 |
| -0.9 | 135.0 | 2.38 | 0.945 | 0.3756 |
| -0.9 | 165.0 | 0.77 | 0.289 | 0.5836 |
| -0.9 | 195.0 | 1.87 | 0.742 | 0.3779 |
| -0.9 | 225.0 | 1.43 | 0.707 | 0.7513 |
| -0.9 | 255.0 | 1.15 | 0.456 | 0.3835 |
| -0.9 | 285.0 | 1.35 | 0.647 | 0.3538 |
| -0.9 | 315.0 | 0.462 | 0.254 | 0.0728 |
| -0.9 | 345.0 | 1.17 | 0.413 | 0.7488 |
| -0.7 | 15.0 | 1.02 | 0.437 | 0.1685 |
| -0.7 | 45.0 | 1.93 | 0.681 | 0.3408 |
| -0.7 | 75.0 | 1.17 | 0.574 | 0.0728 |
| -0.7 | 105.0 | 3.42 | 1.18 | 0.8605 |
| -0.7 | 135.0 | 1.14 | 0.537 | 0.3889 |
| -0.7 | 165.0 | 1.53 | 0.67 | 0.2225 |
| -0.7 | 195.0 | 0.234 | 0.172 | 0.172 |
| -0.7 | 225.0 | 1.13 | 0.423 | 0.1 |
| -0.7 | 255.0 | 1.55 | 0.657 | 0.1699 |
| -0.7 | 285.0 | 1.13 | 0.454 | 0.3499 |
| -0.7 | 315.0 | 1.52 | 0.462 | 0.6676 |
| -0.7 | 345.0 | 1.74 | 0.647 | 0.1456 |
| -0.5 | 15.0 | 2.27 | 0.692 | 0.061 |
| -0.5 | 45.0 | 1.86 | 0.619 | 0.2915 |
| -0.5 | 75.0 | 2.33 | 0.752 | 0.1482 |
| -0.5 | 105.0 | 1.52 | 0.545 | 0.3501 |
| -0.5 | 135.0 | 3.05 | 1.04 | 0.7028 |
| -0.5 | 165.0 | 1.31 | 0.432 | 0.4592 |
| -0.5 | 195.0 | 1.37 | 0.439 | 0.3595 |
| -0.5 | 225.0 | 3.01 | 0.886 | 0.3577 |
| -0.5 | 255.0 | 2.18 | 0.768 | 0.3228 |
| -0.5 | 285.0 | 2.68 | 0.787 | 0.5404 |
| -0.5 | 315.0 | 3.03 | 1.05 | 0.4398 |
| -0.5 | 345.0 | 2.24 | 0.696 | 0.1278 |
| -0.3 | 15.0 | 2.48 | 0.739 | 0.5324 |
| -0.3 | 45.0 | 2.34 | 0.745 | 0.2299 |
| -0.3 | 75.0 | 2.27 | 0.623 | 1.6284 |
| -0.3 | 105.0 | 2.97 | 0.812 | 0.4509 |
| -0.3 | 135.0 | 1.66 | 0.486 | 1.377 |
| -0.3 | 165.0 | 1.97 | 0.659 | 0.2276 |
| -0.3 | 195.0 | 1.52 | 0.484 | 0.2729 |
| -0.3 | 225.0 | 1.95 | 0.596 | 0.321 |
| -0.3 | 255.0 | 3.55 | 1.11 | 0.446 |
| -0.3 | 285.0 | 3.6 | 1.08 | 0.6237 |
| -0.3 | 315.0 | 2.15 | 0.648 | 0.4292 |
| -0.3 | 345.0 | 1.89 | 0.621 | 0.2223 |
| -0.1 | 15.0 | 2.03 | 0.59 | 0.2568 |
| -0.1 | 45.0 | 1.62 | 0.497 | 0.2686 |
| -0.1 | 75.0 | 3.38 | 1.12 | 0.1581 |
| -0.1 | 105.0 | 1.5 | 0.498 | 0.2861 |
| -0.1 | 135.0 | 2.7 | 0.807 | 0.6274 |
| -0.1 | 165.0 | 2.54 | 0.696 | 0.4311 |
| -0.1 | 195.0 | 4.4 | 1.16 | 0.4353 |
| -0.1 | 225.0 | 3.36 | 1.04 | 0.4109 |
| -0.1 | 255.0 | 3.22 | 1.06 | 0.7252 |
| -0.1 | 285.0 | 1.53 | 0.494 | 0.1947 |
| -0.1 | 315.0 | 1.4 | 0.424 | 0.3153 |
| -0.1 | 345.0 | 2.05 | 0.608 | 0.286 |
| 0.1 | 15.0 | 1.77 | 0.584 | 0.1885 |
| 0.1 | 45.0 | 1.82 | 0.625 | 0.3999 |
| 0.1 | 75.0 | 2.32 | 0.647 | 0.3218 |
| 0.1 | 105.0 | 2.21 | 0.706 | 0.191 |
| 0.1 | 135.0 | 2.5 | 0.786 | 0.2639 |
| 0.1 | 165.0 | 3.93 | 1.14 | 0.4605 |
| 0.1 | 195.0 | 2.53 | 0.797 | 0.4117 |
| 0.1 | 225.0 | 5.04 | 1.6 | 1.3635 |
| 0.1 | 255.0 | 2.26 | 0.812 | 0.2137 |
| 0.1 | 285.0 | 2.97 | 0.941 | 0.3968 |
| 0.1 | 315.0 | 2.53 | 0.686 | 1.5394 |
| 0.1 | 345.0 | 0.994 | 0.388 | 0.1626 |
| 0.3 | 15.0 | 2.39 | 0.727 | 0.3717 |
| 0.3 | 45.0 | 2.74 | 0.855 | 0.1553 |
| 0.3 | 75.0 | 4.22 | 1.35 | 1.1081 |
| 0.3 | 105.0 | 3.31 | 0.986 | 0.1763 |
| 0.3 | 135.0 | 1.98 | 0.736 | 0.0367 |
| 0.3 | 165.0 | 3.25 | 0.92 | 0.6364 |
| 0.3 | 195.0 | 1.45 | 0.499 | 0.2305 |
| 0.3 | 225.0 | 3.52 | 1.02 | 0.3108 |
| 0.3 | 255.0 | 2.85 | 0.963 | 0.6348 |
| 0.3 | 285.0 | 1.59 | 0.563 | 0.2022 |
| 0.3 | 315.0 | 1.65 | 0.543 | 0.3095 |
| 0.3 | 345.0 | 5.66 | 1.68 | 1.8775 |
| 0.5 | 15.0 | 2.22 | 0.755 | 0.3076 |
| 0.5 | 45.0 | 1.01 | 0.488 | 0.2977 |
| 0.5 | 75.0 | 3.15 | 0.969 | 0.6186 |
| 0.5 | 105.0 | 2.77 | 0.873 | 0.4497 |
| 0.5 | 135.0 | 1.48 | 0.535 | 0.4533 |
| 0.5 | 165.0 | 3.72 | 0.98 | 0.6435 |
| 0.5 | 195.0 | 2.71 | 0.795 | 0.3032 |
| 0.5 | 225.0 | 4.51 | 1.45 | 1.2109 |
| 0.5 | 255.0 | 3.25 | 1.23 | 0.8168 |
| 0.5 | 285.0 | 3.41 | 1.03 | 0.3182 |
| 0.5 | 315.0 | 1.91 | 0.581 | 0.3079 |
| 0.5 | 345.0 | 2.78 | 0.858 | 0.5164 |
| 0.7 | 15.0 | 1.2 | 0.48 | 0.3781 |
| 0.7 | 45.0 | 2.48 | 0.745 | 1.0523 |
| 0.7 | 75.0 | 1.8 | 0.642 | 0.1906 |
| 0.7 | 105.0 | 2.4 | 0.772 | 0.4558 |
| 0.7 | 135.0 | 5.79 | 1.66 | 1.2367 |
| 0.7 | 165.0 | 3.48 | 1.05 | 0.786 |
| 0.7 | 195.0 | 3.66 | 1.1 | 0.6573 |
| 0.7 | 225.0 | 2.2 | 0.802 | 0.2877 |
| 0.7 | 255.0 | 2.22 | 0.955 | 0.7592 |
| 0.7 | 285.0 | 2.06 | 0.791 | 0.4887 |
| 0.7 | 315.0 | 1.49 | 0.534 | 0.117 |
| 0.7 | 345.0 | 2.12 | 0.78 | 0.3086 |
| 0.9 | 15.0 | 0.989 | 0.487 | 0.1586 |
| 0.9 | 45.0 | 1.42 | 0.613 | 0.2628 |
| 0.9 | 75.0 | 2.36 | 0.888 | 0.6451 |
| 0.9 | 105.0 | 1.43 | 0.603 | 0.4512 |
| 0.9 | 135.0 | 1.44 | 0.609 | 0.417 |
| 0.9 | 165.0 | 2.12 | 0.796 | 0.3736 |
| 0.9 | 195.0 | 2.01 | 0.85 | 0.3836 |
| 0.9 | 225.0 | 3.46 | 1.22 | 0.6732 |
| 0.9 | 255.0 | 3.74 | 1.24 | 0.645 |
| 0.9 | 285.0 | 1.59 | 0.571 | 0.9455 |
| 0.9 | 315.0 | 4.82 | 1.93 | 2.0177 |
| 0.9 | 345.0 | 1.06 | 0.828 | 0.398 |
Experiment comment: