Measurement E9M261
| 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: | 1.24 GeV | |
| ε: | 0.763 | |
| 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 | 3.07 | 0.54 | 0.2667 |
| -0.9 | 45.0 | 3.69 | 0.634 | 0.4603 |
| -0.9 | 75.0 | 4.11 | 0.691 | 0.6535 |
| -0.9 | 105.0 | 4.31 | 0.731 | 0.3916 |
| -0.9 | 135.0 | 4.19 | 0.914 | 1.1003 |
| -0.9 | 165.0 | 1.95 | 0.47 | 0.1443 |
| -0.9 | 195.0 | 1.74 | 0.438 | 0.1711 |
| -0.9 | 225.0 | 2.66 | 0.56 | 0.1771 |
| -0.9 | 255.0 | 5.0 | 0.908 | 1.2065 |
| -0.9 | 285.0 | 5.08 | 0.891 | 0.7216 |
| -0.9 | 315.0 | 3.55 | 0.669 | 0.2538 |
| -0.9 | 345.0 | 3.5 | 0.594 | 0.3317 |
| -0.7 | 15.0 | 3.31 | 0.523 | 0.104 |
| -0.7 | 45.0 | 2.96 | 0.473 | 0.2786 |
| -0.7 | 75.0 | 6.12 | 0.856 | 0.273 |
| -0.7 | 105.0 | 6.05 | 0.874 | 0.9359 |
| -0.7 | 135.0 | 3.29 | 0.546 | 0.3718 |
| -0.7 | 165.0 | 2.18 | 0.391 | 0.365 |
| -0.7 | 195.0 | 3.11 | 0.533 | 0.475 |
| -0.7 | 225.0 | 5.44 | 0.827 | 0.5425 |
| -0.7 | 255.0 | 5.3 | 0.73 | 0.5872 |
| -0.7 | 285.0 | 4.95 | 0.715 | 0.4669 |
| -0.7 | 315.0 | 4.48 | 0.652 | 0.3265 |
| -0.7 | 345.0 | 3.02 | 0.438 | 0.2128 |
| -0.5 | 15.0 | 4.32 | 0.607 | 0.2448 |
| -0.5 | 45.0 | 6.6 | 0.868 | 0.3997 |
| -0.5 | 75.0 | 8.59 | 1.06 | 0.4497 |
| -0.5 | 105.0 | 6.16 | 0.861 | 0.2783 |
| -0.5 | 135.0 | 5.24 | 0.842 | 0.6225 |
| -0.5 | 165.0 | 1.94 | 0.319 | 0.5101 |
| -0.5 | 195.0 | 3.29 | 0.515 | 0.3284 |
| -0.5 | 225.0 | 4.27 | 0.66 | 0.4197 |
| -0.5 | 255.0 | 6.94 | 0.984 | 0.7055 |
| -0.5 | 285.0 | 10.8 | 1.33 | 1.2825 |
| -0.5 | 315.0 | 4.95 | 0.664 | 0.3577 |
| -0.5 | 345.0 | 3.62 | 0.518 | 0.0797 |
| -0.3 | 15.0 | 3.69 | 0.49 | 0.1954 |
| -0.3 | 45.0 | 6.19 | 0.768 | 0.5437 |
| -0.3 | 75.0 | 8.3 | 1.06 | 0.2303 |
| -0.3 | 105.0 | 7.79 | 0.962 | 0.8713 |
| -0.3 | 135.0 | 4.23 | 0.632 | 0.6745 |
| -0.3 | 165.0 | 4.02 | 0.635 | 0.2662 |
| -0.3 | 195.0 | 4.13 | 0.596 | 0.3884 |
| -0.3 | 225.0 | 6.33 | 0.931 | 0.7339 |
| -0.3 | 255.0 | 8.79 | 1.16 | 0.7254 |
| -0.3 | 285.0 | 7.37 | 0.907 | 0.6805 |
| -0.3 | 315.0 | 7.2 | 0.856 | 0.4314 |
| -0.3 | 345.0 | 4.34 | 0.612 | 0.1974 |
| -0.1 | 15.0 | 4.0 | 0.539 | 0.1253 |
| -0.1 | 45.0 | 6.41 | 0.805 | 0.1343 |
| -0.1 | 75.0 | 7.73 | 1.01 | 0.2718 |
| -0.1 | 105.0 | 9.66 | 1.23 | 0.5824 |
| -0.1 | 135.0 | 6.18 | 0.892 | 1.1767 |
| -0.1 | 165.0 | 3.83 | 0.54 | 0.2562 |
| -0.1 | 195.0 | 3.64 | 0.539 | 0.5712 |
| -0.1 | 225.0 | 5.19 | 0.744 | 0.6043 |
| -0.1 | 255.0 | 9.37 | 1.18 | 0.5783 |
| -0.1 | 285.0 | 7.64 | 0.916 | 0.6931 |
| -0.1 | 315.0 | 7.05 | 0.822 | 0.2452 |
| -0.1 | 345.0 | 4.32 | 0.577 | 0.137 |
| 0.1 | 15.0 | 3.85 | 0.504 | 0.1722 |
| 0.1 | 45.0 | 5.49 | 0.727 | 0.154 |
| 0.1 | 75.0 | 8.95 | 1.11 | 0.3588 |
| 0.1 | 105.0 | 9.5 | 1.3 | 0.2993 |
| 0.1 | 135.0 | 6.07 | 0.93 | 0.3499 |
| 0.1 | 165.0 | 5.27 | 0.699 | 0.3567 |
| 0.1 | 195.0 | 4.45 | 0.61 | 0.3469 |
| 0.1 | 225.0 | 5.56 | 0.86 | 0.4791 |
| 0.1 | 255.0 | 11.3 | 1.5 | 1.0191 |
| 0.1 | 285.0 | 7.59 | 1.03 | 0.4429 |
| 0.1 | 315.0 | 7.27 | 0.838 | 0.112 |
| 0.1 | 345.0 | 3.61 | 0.523 | 0.2618 |
| 0.3 | 15.0 | 3.44 | 0.494 | 0.0982 |
| 0.3 | 45.0 | 4.6 | 0.589 | 0.6722 |
| 0.3 | 75.0 | 8.43 | 1.08 | 0.3877 |
| 0.3 | 105.0 | 6.55 | 0.974 | 0.6514 |
| 0.3 | 135.0 | 6.94 | 0.994 | 0.5031 |
| 0.3 | 165.0 | 4.12 | 0.595 | 0.3706 |
| 0.3 | 195.0 | 6.42 | 0.852 | 0.6855 |
| 0.3 | 225.0 | 7.72 | 1.11 | 0.3169 |
| 0.3 | 255.0 | 8.76 | 1.17 | 0.7746 |
| 0.3 | 285.0 | 10.6 | 1.24 | 0.4259 |
| 0.3 | 315.0 | 4.82 | 0.628 | 0.4482 |
| 0.3 | 345.0 | 4.05 | 0.509 | 0.375 |
| 0.5 | 15.0 | 3.66 | 0.527 | 0.2393 |
| 0.5 | 45.0 | 4.97 | 0.681 | 0.2628 |
| 0.5 | 75.0 | 10.2 | 1.3 | 0.5976 |
| 0.5 | 105.0 | 8.1 | 1.12 | 0.7507 |
| 0.5 | 135.0 | 8.12 | 1.17 | 0.5592 |
| 0.5 | 165.0 | 5.96 | 0.858 | 0.8247 |
| 0.5 | 195.0 | 5.69 | 0.768 | 0.5242 |
| 0.5 | 225.0 | 6.71 | 1.07 | 0.9767 |
| 0.5 | 255.0 | 7.91 | 1.1 | 0.8828 |
| 0.5 | 285.0 | 6.6 | 0.896 | 0.8106 |
| 0.5 | 315.0 | 3.77 | 0.513 | 0.2149 |
| 0.5 | 345.0 | 3.0 | 0.442 | 0.1598 |
| 0.7 | 15.0 | 4.28 | 0.702 | 1.0309 |
| 0.7 | 45.0 | 3.63 | 0.585 | 0.3496 |
| 0.7 | 75.0 | 5.12 | 0.792 | 0.2462 |
| 0.7 | 105.0 | 8.16 | 1.25 | 0.5518 |
| 0.7 | 135.0 | 6.3 | 0.948 | 0.9964 |
| 0.7 | 165.0 | 4.98 | 0.701 | 0.6224 |
| 0.7 | 195.0 | 5.01 | 0.748 | 0.4274 |
| 0.7 | 225.0 | 6.76 | 1.03 | 0.415 |
| 0.7 | 255.0 | 6.29 | 0.948 | 0.4387 |
| 0.7 | 285.0 | 5.99 | 0.84 | 0.5115 |
| 0.7 | 315.0 | 2.2 | 0.357 | 0.3959 |
| 0.7 | 345.0 | 3.52 | 0.607 | 0.5783 |
| 0.9 | 15.0 | 2.46 | 0.451 | 0.1756 |
| 0.9 | 45.0 | 3.24 | 0.601 | 0.5338 |
| 0.9 | 75.0 | 4.02 | 0.776 | 0.4674 |
| 0.9 | 105.0 | 3.93 | 0.698 | 0.3449 |
| 0.9 | 135.0 | 6.21 | 1.07 | 1.2639 |
| 0.9 | 165.0 | 4.85 | 0.818 | 0.4899 |
| 0.9 | 195.0 | 6.34 | 1.05 | 1.5333 |
| 0.9 | 225.0 | 5.15 | 0.842 | 0.3785 |
| 0.9 | 255.0 | 5.29 | 0.899 | 0.4439 |
| 0.9 | 285.0 | 4.84 | 0.861 | 0.4885 |
| 0.9 | 315.0 | 2.44 | 0.473 | 0.1635 |
| 0.9 | 345.0 | 2.7 | 0.517 | 0.1028 |
Experiment comment: