Measurement E9M152
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.14 GeV | |
| ε: | 0.655 | |
| 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 | 1.7 | 1.2 | 0.8264 |
| -0.9 | 45.0 | 1.63 | 0.957 | 0.3589 |
| -0.9 | 75.0 | 1.01 | 0.504 | 0.3831 |
| -0.9 | 105.0 | 0.825 | 0.487 | 0.2359 |
| -0.9 | 135.0 | 0.708 | 0.453 | 0.2513 |
| -0.9 | 165.0 | 1.75 | 0.802 | 0.5215 |
| -0.9 | 195.0 | 1.93 | 0.976 | 0.8522 |
| -0.9 | 225.0 | 0.793 | 0.602 | 0.2934 |
| -0.9 | 255.0 | 1.44 | 0.774 | 0.3902 |
| -0.9 | 285.0 | 3.13 | 1.97 | 0.3741 |
| -0.9 | 315.0 | 1.47 | 0.729 | 0.4062 |
| -0.9 | 345.0 | 0.225 | 0.171 | 0.1983 |
| -0.7 | 15.0 | 0.512 | 0.325 | 0.1241 |
| -0.7 | 45.0 | 1.6 | 0.775 | 0.5412 |
| -0.7 | 75.0 | 1.13 | 0.569 | 0.4337 |
| -0.7 | 105.0 | 1.37 | 0.614 | 0.2453 |
| -0.7 | 135.0 | 0.696 | 0.521 | 0.36 |
| -0.7 | 165.0 | 1.55 | 0.716 | 0.6606 |
| -0.7 | 195.0 | 1.26 | 0.623 | 0.5006 |
| -0.7 | 225.0 | 1.09 | 0.538 | 0.127 |
| -0.7 | 255.0 | 1.97 | 0.871 | 0.4375 |
| -0.7 | 285.0 | 0.782 | 0.392 | 0.5114 |
| -0.7 | 315.0 | 0.444 | 0.331 | 0.5581 |
| -0.7 | 345.0 | 1.23 | 0.593 | 0.695 |
| -0.5 | 15.0 | 1.12 | 0.489 | 1.0636 |
| -0.5 | 45.0 | 0.814 | 0.628 | 0.2901 |
| -0.5 | 75.0 | 0.625 | 0.392 | 0.2186 |
| -0.5 | 105.0 | 1.2 | 0.605 | 0.7298 |
| -0.5 | 135.0 | 2.35 | 0.956 | 0.3294 |
| -0.5 | 165.0 | 2.2 | 0.872 | 0.3659 |
| -0.5 | 195.0 | 1.9 | 0.797 | 0.2475 |
| -0.5 | 225.0 | 2.06 | 1.01 | 0.5729 |
| -0.5 | 255.0 | 1.47 | 0.668 | 0.204 |
| -0.5 | 285.0 | 0.997 | 0.535 | 0.3956 |
| -0.5 | 315.0 | 1.92 | 0.88 | 0.8137 |
| -0.5 | 345.0 | 0.736 | 0.333 | 0.1087 |
| -0.3 | 15.0 | 0.912 | 0.447 | 0.1774 |
| -0.3 | 45.0 | 2.59 | 1.14 | 0.3576 |
| -0.3 | 75.0 | 1.59 | 0.709 | 0.3512 |
| -0.3 | 105.0 | 4.51 | 1.82 | 1.079 |
| -0.3 | 135.0 | 1.9 | 0.865 | 0.3305 |
| -0.3 | 165.0 | 4.97 | 1.79 | 1.3964 |
| -0.3 | 195.0 | 4.23 | 1.29 | 1.2937 |
| -0.3 | 225.0 | 2.16 | 0.91 | 0.2804 |
| -0.3 | 255.0 | 2.15 | 0.867 | 0.2944 |
| -0.3 | 285.0 | 4.39 | 1.49 | 0.4294 |
| -0.3 | 315.0 | 2.66 | 0.99 | 0.8841 |
| -0.3 | 345.0 | 0.678 | 0.524 | 0.1752 |
| -0.1 | 15.0 | 4.3 | 1.79 | 0.5148 |
| -0.1 | 45.0 | 1.61 | 0.734 | 0.1097 |
| -0.1 | 75.0 | 4.14 | 1.72 | 1.5031 |
| -0.1 | 105.0 | 2.67 | 0.983 | 0.1577 |
| -0.1 | 135.0 | 0.716 | 0.429 | 0.1955 |
| -0.1 | 165.0 | 3.4 | 1.17 | 1.3566 |
| -0.1 | 195.0 | 1.82 | 0.585 | 1.3515 |
| -0.1 | 225.0 | 3.28 | 1.18 | 0.5131 |
| -0.1 | 255.0 | 1.86 | 0.838 | 0.4036 |
| -0.1 | 285.0 | 1.64 | 0.69 | 1.311 |
| -0.1 | 315.0 | 1.14 | 0.625 | 0.2626 |
| -0.1 | 345.0 | 1.01 | 0.541 | 0.0882 |
| 0.1 | 15.0 | 3.27 | 1.18 | 0.4442 |
| 0.1 | 45.0 | 3.73 | 1.83 | 0.6826 |
| 0.1 | 75.0 | 1.06 | 0.644 | 0.2518 |
| 0.1 | 105.0 | 1.99 | 0.9 | 0.376 |
| 0.1 | 135.0 | 4.35 | 1.67 | 0.3784 |
| 0.1 | 165.0 | 6.23 | 2.01 | 1.555 |
| 0.1 | 195.0 | 1.48 | 0.605 | 0.105 |
| 0.1 | 225.0 | 4.93 | 1.56 | 0.4991 |
| 0.1 | 255.0 | 2.18 | 0.747 | 0.7346 |
| 0.1 | 285.0 | 1.34 | 0.607 | 0.5384 |
| 0.1 | 315.0 | 0.991 | 0.481 | 0.2793 |
| 0.1 | 345.0 | 1.2 | 0.546 | 0.1493 |
| 0.3 | 15.0 | 5.69 | 2.15 | 0.4814 |
| 0.3 | 45.0 | 1.71 | 0.676 | 0.4138 |
| 0.3 | 75.0 | 2.43 | 1.23 | 0.5856 |
| 0.3 | 105.0 | 3.9 | 1.21 | 3.6648 |
| 0.3 | 135.0 | 3.62 | 1.21 | 1.4707 |
| 0.3 | 165.0 | 2.99 | 1.1 | 0.7453 |
| 0.3 | 195.0 | 5.82 | 1.84 | 1.3248 |
| 0.3 | 225.0 | 4.88 | 1.54 | 0.7214 |
| 0.3 | 255.0 | 2.91 | 1.11 | 0.268 |
| 0.3 | 285.0 | 1.21 | 0.646 | 0.2307 |
| 0.3 | 315.0 | 2.29 | 1.13 | 0.5864 |
| 0.3 | 345.0 | 1.29 | 0.557 | 0.9073 |
| 0.5 | 15.0 | 1.44 | 0.63 | 0.2351 |
| 0.5 | 45.0 | 3.69 | 1.61 | 0.7679 |
| 0.5 | 75.0 | 3.46 | 1.32 | 0.8413 |
| 0.5 | 105.0 | 3.27 | 1.21 | 0.1588 |
| 0.5 | 135.0 | 3.63 | 1.56 | 0.9719 |
| 0.5 | 165.0 | 5.81 | 1.7 | 0.847 |
| 0.5 | 195.0 | 5.26 | 1.73 | 1.6571 |
| 0.5 | 225.0 | 3.37 | 1.13 | 1.0361 |
| 0.5 | 255.0 | 3.01 | 1.15 | 0.2415 |
| 0.5 | 285.0 | 3.75 | 1.53 | 0.7889 |
| 0.5 | 315.0 | 2.07 | 0.807 | 0.3253 |
| 0.5 | 345.0 | 2.58 | 0.943 | 0.0894 |
| 0.7 | 15.0 | 0.77 | 0.472 | 0.2469 |
| 0.7 | 45.0 | 2.02 | 0.861 | 0.2003 |
| 0.7 | 75.0 | 1.86 | 0.839 | 0.3898 |
| 0.7 | 105.0 | 2.25 | 0.84 | 0.5447 |
| 0.7 | 135.0 | 3.53 | 1.16 | 0.2759 |
| 0.7 | 165.0 | 1.81 | 0.638 | 0.6748 |
| 0.7 | 195.0 | 4.63 | 1.72 | 1.0459 |
| 0.7 | 225.0 | 3.37 | 0.94 | 2.0636 |
| 0.7 | 255.0 | 6.46 | 2.12 | 1.3383 |
| 0.7 | 285.0 | 3.27 | 1.63 | 1.3324 |
| 0.7 | 315.0 | 1.47 | 0.679 | 0.361 |
| 0.7 | 345.0 | 1.69 | 0.652 | 2.4914 |
| 0.9 | 15.0 | 6.5 | 2.59 | 2.5859 |
| 0.9 | 45.0 | 4.36 | 1.64 | 0.478 |
| 0.9 | 75.0 | 3.12 | 1.43 | 0.568 |
| 0.9 | 105.0 | 4.4 | 2.06 | 1.1199 |
| 0.9 | 135.0 | 3.72 | 1.39 | 0.5008 |
| 0.9 | 165.0 | 1.62 | 0.784 | 0.8681 |
| 0.9 | 195.0 | 2.95 | 0.914 | 0.8266 |
| 0.9 | 225.0 | 3.83 | 1.58 | 1.2535 |
| 0.9 | 255.0 | 7.87 | 3.37 | 2.828 |
| 0.9 | 285.0 | 1.89 | 0.883 | 1.433 |
| 0.9 | 315.0 | 2.79 | 1.19 | 0.3678 |
| 0.9 | 345.0 | 3.32 | 1.39 | 0.7195 |
Experiment comment: