Measurement E9M80
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.12 GeV | |
| ε: | 0.826 | |
| 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 | 1.29 | 0.618 | 0.2593 |
| -0.9 | 45.0 | 1.4 | 0.62 | 0.4302 |
| -0.9 | 75.0 | 3.43 | 1.41 | 1.1963 |
| -0.9 | 105.0 | 2.39 | 1.11 | 1.3113 |
| -0.9 | 135.0 | 1.27 | 0.509 | 0.8495 |
| -0.9 | 165.0 | 1.88 | 0.777 | 0.3375 |
| -0.9 | 195.0 | 1.44 | 0.585 | 0.4365 |
| -0.9 | 225.0 | 1.71 | 0.848 | 0.4805 |
| -0.9 | 255.0 | 1.04 | 0.477 | 0.4023 |
| -0.9 | 285.0 | 0.274 | 0.203 | 0.8281 |
| -0.9 | 315.0 | 0.621 | 0.307 | 0.5594 |
| -0.9 | 345.0 | 0.795 | 0.518 | 0.7047 |
| -0.7 | 15.0 | 0.811 | 0.36 | 0.2415 |
| -0.7 | 45.0 | 1.58 | 0.49 | 0.6435 |
| -0.7 | 75.0 | 1.23 | 0.464 | 0.5867 |
| -0.7 | 105.0 | 2.95 | 0.982 | 0.9581 |
| -0.7 | 135.0 | 2.57 | 0.884 | 0.2934 |
| -0.7 | 165.0 | 3.29 | 0.977 | 0.7616 |
| -0.7 | 195.0 | 1.62 | 0.59 | 0.3648 |
| -0.7 | 225.0 | 1.71 | 0.569 | 0.4924 |
| -0.7 | 255.0 | 1.97 | 0.751 | 0.3753 |
| -0.7 | 285.0 | 2.23 | 0.833 | 0.5354 |
| -0.7 | 315.0 | 0.895 | 0.363 | 0.464 |
| -0.7 | 345.0 | 0.649 | 0.262 | 0.4369 |
| -0.5 | 15.0 | 1.36 | 0.502 | 0.5183 |
| -0.5 | 45.0 | 3.61 | 1.33 | 1.4143 |
| -0.5 | 75.0 | 1.43 | 0.49 | 0.1012 |
| -0.5 | 105.0 | 1.73 | 0.605 | 0.1658 |
| -0.5 | 135.0 | 2.12 | 0.686 | 0.4451 |
| -0.5 | 165.0 | 3.42 | 0.98 | 0.5723 |
| -0.5 | 195.0 | 2.37 | 0.744 | 0.3634 |
| -0.5 | 225.0 | 3.93 | 1.07 | 0.5182 |
| -0.5 | 255.0 | 1.42 | 0.49 | 0.4606 |
| -0.5 | 285.0 | 1.23 | 0.474 | 0.4238 |
| -0.5 | 315.0 | 2.69 | 1.04 | 0.8464 |
| -0.5 | 345.0 | 0.773 | 0.42 | 0.2087 |
| -0.3 | 15.0 | 2.54 | 1.01 | 0.5368 |
| -0.3 | 45.0 | 1.69 | 0.633 | 0.5062 |
| -0.3 | 75.0 | 2.64 | 0.736 | 0.2119 |
| -0.3 | 105.0 | 1.59 | 0.524 | 0.6594 |
| -0.3 | 135.0 | 3.46 | 0.911 | 0.7623 |
| -0.3 | 165.0 | 3.1 | 0.865 | 0.2888 |
| -0.3 | 195.0 | 2.58 | 0.717 | 0.2713 |
| -0.3 | 225.0 | 1.67 | 0.489 | 0.4514 |
| -0.3 | 255.0 | 3.09 | 0.927 | 0.9029 |
| -0.3 | 285.0 | 2.93 | 0.861 | 0.225 |
| -0.3 | 315.0 | 1.57 | 0.609 | 0.2493 |
| -0.3 | 345.0 | 1.56 | 0.539 | 0.2554 |
| -0.1 | 15.0 | 0.764 | 0.345 | 0.059 |
| -0.1 | 45.0 | 2.17 | 0.793 | 0.4867 |
| -0.1 | 75.0 | 2.98 | 0.916 | 0.2343 |
| -0.1 | 105.0 | 4.69 | 1.28 | 1.0685 |
| -0.1 | 135.0 | 1.35 | 0.506 | 0.4964 |
| -0.1 | 165.0 | 3.16 | 0.744 | 0.8766 |
| -0.1 | 195.0 | 2.52 | 0.712 | 0.2242 |
| -0.1 | 225.0 | 2.83 | 0.691 | 0.2663 |
| -0.1 | 255.0 | 2.03 | 0.647 | 0.2077 |
| -0.1 | 285.0 | 1.54 | 0.633 | 0.4096 |
| -0.1 | 315.0 | 0.71 | 0.311 | 0.1018 |
| -0.1 | 345.0 | 0.924 | 0.418 | 0.1102 |
| 0.1 | 15.0 | 1.95 | 0.645 | 0.2322 |
| 0.1 | 45.0 | 1.61 | 0.548 | 0.0929 |
| 0.1 | 75.0 | 1.73 | 0.602 | 0.0361 |
| 0.1 | 105.0 | 2.83 | 0.75 | 0.7669 |
| 0.1 | 135.0 | 2.44 | 0.791 | 0.1478 |
| 0.1 | 165.0 | 4.72 | 1.14 | 0.4638 |
| 0.1 | 195.0 | 4.0 | 0.897 | 0.9251 |
| 0.1 | 225.0 | 3.52 | 1.09 | 0.9987 |
| 0.1 | 255.0 | 3.03 | 0.885 | 0.1871 |
| 0.1 | 285.0 | 5.66 | 1.69 | 1.5894 |
| 0.1 | 315.0 | 2.09 | 0.697 | 0.306 |
| 0.1 | 345.0 | 1.29 | 0.43 | 0.1092 |
| 0.3 | 15.0 | 1.59 | 0.557 | 0.1534 |
| 0.3 | 45.0 | 1.35 | 0.46 | 0.3541 |
| 0.3 | 75.0 | 1.72 | 0.507 | 0.5265 |
| 0.3 | 105.0 | 3.65 | 0.942 | 0.0667 |
| 0.3 | 135.0 | 2.77 | 0.777 | 0.2454 |
| 0.3 | 165.0 | 4.72 | 1.05 | 0.7514 |
| 0.3 | 195.0 | 3.37 | 0.857 | 0.6166 |
| 0.3 | 225.0 | 5.25 | 1.21 | 1.1505 |
| 0.3 | 255.0 | 2.12 | 0.634 | 0.1791 |
| 0.3 | 285.0 | 1.62 | 0.481 | 0.5283 |
| 0.3 | 315.0 | 2.54 | 0.75 | 0.4849 |
| 0.3 | 345.0 | 4.19 | 1.56 | 0.9663 |
| 0.5 | 15.0 | 1.54 | 0.506 | 0.1951 |
| 0.5 | 45.0 | 3.73 | 1.16 | 0.6631 |
| 0.5 | 75.0 | 1.69 | 0.56 | 0.3675 |
| 0.5 | 105.0 | 4.74 | 1.1 | 0.2545 |
| 0.5 | 135.0 | 4.43 | 1.06 | 0.4922 |
| 0.5 | 165.0 | 3.76 | 0.826 | 0.5138 |
| 0.5 | 195.0 | 3.03 | 0.799 | 0.9809 |
| 0.5 | 225.0 | 5.95 | 1.3 | 0.5773 |
| 0.5 | 255.0 | 3.84 | 1.02 | 0.3497 |
| 0.5 | 285.0 | 3.5 | 1.0 | 0.1399 |
| 0.5 | 315.0 | 3.61 | 1.21 | 1.0082 |
| 0.5 | 345.0 | 1.11 | 0.458 | 0.1566 |
| 0.7 | 15.0 | 1.29 | 0.395 | 0.854 |
| 0.7 | 45.0 | 1.79 | 0.582 | 0.4966 |
| 0.7 | 75.0 | 3.1 | 0.726 | 0.6895 |
| 0.7 | 105.0 | 3.53 | 0.901 | 0.9724 |
| 0.7 | 135.0 | 4.43 | 1.03 | 0.227 |
| 0.7 | 165.0 | 4.37 | 1.06 | 0.8155 |
| 0.7 | 195.0 | 6.73 | 1.53 | 1.1134 |
| 0.7 | 225.0 | 2.89 | 0.749 | 0.3708 |
| 0.7 | 255.0 | 2.17 | 0.612 | 0.5597 |
| 0.7 | 285.0 | 2.72 | 0.768 | 0.3659 |
| 0.7 | 315.0 | 2.55 | 0.844 | 0.4877 |
| 0.7 | 345.0 | 3.36 | 1.12 | 0.4884 |
| 0.9 | 15.0 | 3.11 | 1.28 | 0.8622 |
| 0.9 | 45.0 | 1.91 | 0.609 | 0.3994 |
| 0.9 | 75.0 | 2.81 | 0.781 | 0.2718 |
| 0.9 | 105.0 | 6.24 | 1.7 | 1.5524 |
| 0.9 | 135.0 | 3.86 | 1.08 | 0.4606 |
| 0.9 | 165.0 | 4.43 | 1.3 | 0.8015 |
| 0.9 | 195.0 | 3.58 | 1.04 | 0.6785 |
| 0.9 | 225.0 | 4.43 | 1.19 | 0.7319 |
| 0.9 | 255.0 | 4.02 | 1.31 | 0.1559 |
| 0.9 | 285.0 | 3.18 | 1.05 | 0.3916 |
| 0.9 | 315.0 | 2.14 | 0.715 | 0.159 |
| 0.9 | 345.0 | 3.55 | 1.32 | 0.4674 |
Experiment comment: