Measurement E9M170
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.22 GeV | |
| ε: | 0.884 | |
| 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 | 8.7 | 1.42 | 0.7413 |
| -0.9 | 45.0 | 13.2 | 2.09 | 1.7022 |
| -0.9 | 75.0 | 9.9 | 1.74 | 1.4737 |
| -0.9 | 105.0 | 7.86 | 1.42 | 0.8056 |
| -0.9 | 135.0 | 7.57 | 1.36 | 0.4634 |
| -0.9 | 165.0 | 6.79 | 1.32 | 2.2736 |
| -0.9 | 195.0 | 8.57 | 1.61 | 0.5057 |
| -0.9 | 225.0 | 5.82 | 1.24 | 0.462 |
| -0.9 | 255.0 | 8.61 | 1.55 | 0.5916 |
| -0.9 | 285.0 | 10.0 | 1.75 | 0.4475 |
| -0.9 | 315.0 | 10.8 | 1.81 | 1.4655 |
| -0.9 | 345.0 | 6.85 | 1.17 | 0.4124 |
| -0.7 | 15.0 | 9.64 | 1.35 | 0.4206 |
| -0.7 | 45.0 | 11.5 | 1.45 | 0.773 |
| -0.7 | 75.0 | 14.4 | 1.73 | 1.7284 |
| -0.7 | 105.0 | 17.6 | 2.22 | 1.1853 |
| -0.7 | 135.0 | 11.2 | 1.71 | 1.0668 |
| -0.7 | 165.0 | 6.92 | 1.17 | 0.1729 |
| -0.7 | 195.0 | 8.71 | 1.47 | 1.1886 |
| -0.7 | 225.0 | 14.0 | 1.98 | 0.9526 |
| -0.7 | 255.0 | 13.0 | 1.69 | 0.9874 |
| -0.7 | 285.0 | 12.8 | 1.63 | 0.4183 |
| -0.7 | 315.0 | 11.0 | 1.4 | 1.3086 |
| -0.7 | 345.0 | 10.9 | 1.51 | 1.9423 |
| -0.5 | 15.0 | 9.7 | 1.26 | 0.9851 |
| -0.5 | 45.0 | 13.4 | 1.53 | 0.9874 |
| -0.5 | 75.0 | 20.5 | 2.06 | 1.6454 |
| -0.5 | 105.0 | 14.3 | 1.8 | 0.9708 |
| -0.5 | 135.0 | 14.3 | 1.88 | 1.0173 |
| -0.5 | 165.0 | 9.55 | 1.48 | 1.4021 |
| -0.5 | 195.0 | 9.32 | 1.41 | 0.8811 |
| -0.5 | 225.0 | 13.9 | 1.83 | 1.0416 |
| -0.5 | 255.0 | 21.8 | 2.44 | 0.7314 |
| -0.5 | 285.0 | 16.4 | 1.8 | 0.2121 |
| -0.5 | 315.0 | 21.3 | 2.19 | 2.3859 |
| -0.5 | 345.0 | 11.2 | 1.5 | 0.8432 |
| -0.3 | 15.0 | 14.0 | 1.66 | 0.364 |
| -0.3 | 45.0 | 19.6 | 1.96 | 0.9192 |
| -0.3 | 75.0 | 24.0 | 2.4 | 0.9811 |
| -0.3 | 105.0 | 24.1 | 2.89 | 0.7053 |
| -0.3 | 135.0 | 16.0 | 2.01 | 0.4444 |
| -0.3 | 165.0 | 9.97 | 1.37 | 0.2352 |
| -0.3 | 195.0 | 8.29 | 1.3 | 0.8658 |
| -0.3 | 225.0 | 14.3 | 1.83 | 0.4664 |
| -0.3 | 255.0 | 19.4 | 2.43 | 1.2237 |
| -0.3 | 285.0 | 20.5 | 2.23 | 0.8231 |
| -0.3 | 315.0 | 15.2 | 1.62 | 0.5523 |
| -0.3 | 345.0 | 10.4 | 1.43 | 0.622 |
| -0.1 | 15.0 | 12.0 | 1.45 | 0.364 |
| -0.1 | 45.0 | 13.1 | 1.51 | 0.4213 |
| -0.1 | 75.0 | 21.4 | 2.24 | 1.3143 |
| -0.1 | 105.0 | 21.1 | 2.82 | 1.0476 |
| -0.1 | 135.0 | 17.6 | 2.37 | 0.7176 |
| -0.1 | 165.0 | 14.5 | 1.85 | 1.044 |
| -0.1 | 195.0 | 10.9 | 1.46 | 0.9003 |
| -0.1 | 225.0 | 18.5 | 2.29 | 0.8573 |
| -0.1 | 255.0 | 24.3 | 3.33 | 3.0479 |
| -0.1 | 285.0 | 22.6 | 2.24 | 0.8307 |
| -0.1 | 315.0 | 14.9 | 1.6 | 0.8093 |
| -0.1 | 345.0 | 14.1 | 1.68 | 1.005 |
| 0.1 | 15.0 | 9.74 | 1.25 | 0.6846 |
| 0.1 | 45.0 | 15.8 | 1.76 | 1.8675 |
| 0.1 | 75.0 | 22.2 | 2.48 | 0.5408 |
| 0.1 | 105.0 | 23.7 | 3.37 | 0.8411 |
| 0.1 | 135.0 | 16.7 | 2.61 | 0.7106 |
| 0.1 | 165.0 | 8.25 | 1.22 | 1.1784 |
| 0.1 | 195.0 | 12.9 | 1.57 | 0.7071 |
| 0.1 | 225.0 | 18.4 | 2.74 | 2.0718 |
| 0.1 | 255.0 | 21.4 | 3.01 | 2.915 |
| 0.1 | 285.0 | 19.4 | 2.12 | 0.7794 |
| 0.1 | 315.0 | 16.5 | 1.75 | 0.2872 |
| 0.1 | 345.0 | 12.1 | 1.5 | 0.495 |
| 0.3 | 15.0 | 8.25 | 1.13 | 0.681 |
| 0.3 | 45.0 | 12.0 | 1.34 | 1.4543 |
| 0.3 | 75.0 | 24.1 | 2.65 | 2.116 |
| 0.3 | 105.0 | 20.6 | 3.34 | 1.256 |
| 0.3 | 135.0 | 21.0 | 3.14 | 2.0019 |
| 0.3 | 165.0 | 13.0 | 1.71 | 0.6819 |
| 0.3 | 195.0 | 10.8 | 1.43 | 0.8682 |
| 0.3 | 225.0 | 16.8 | 2.51 | 1.8076 |
| 0.3 | 255.0 | 19.0 | 2.89 | 2.3701 |
| 0.3 | 285.0 | 25.5 | 2.7 | 1.4517 |
| 0.3 | 315.0 | 13.6 | 1.41 | 0.9421 |
| 0.3 | 345.0 | 9.76 | 1.39 | 0.8178 |
| 0.5 | 15.0 | 7.32 | 1.16 | 0.9956 |
| 0.5 | 45.0 | 13.0 | 1.65 | 0.691 |
| 0.5 | 75.0 | 19.3 | 2.23 | 1.8668 |
| 0.5 | 105.0 | 18.7 | 3.05 | 1.4098 |
| 0.5 | 135.0 | 19.9 | 3.26 | 1.7428 |
| 0.5 | 165.0 | 12.4 | 1.58 | 0.9721 |
| 0.5 | 195.0 | 13.6 | 1.73 | 1.1895 |
| 0.5 | 225.0 | 16.1 | 2.37 | 1.8888 |
| 0.5 | 255.0 | 15.9 | 2.5 | 1.3583 |
| 0.5 | 285.0 | 17.7 | 2.1 | 1.4595 |
| 0.5 | 315.0 | 14.1 | 1.59 | 0.7071 |
| 0.5 | 345.0 | 7.72 | 1.13 | 0.316 |
| 0.7 | 15.0 | 6.72 | 1.06 | 0.3309 |
| 0.7 | 45.0 | 11.6 | 1.38 | 0.4 |
| 0.7 | 75.0 | 13.9 | 1.69 | 1.4552 |
| 0.7 | 105.0 | 20.3 | 3.12 | 2.8487 |
| 0.7 | 135.0 | 19.7 | 2.86 | 0.7746 |
| 0.7 | 165.0 | 14.8 | 1.96 | 1.0368 |
| 0.7 | 195.0 | 16.4 | 2.06 | 0.9447 |
| 0.7 | 225.0 | 17.8 | 2.45 | 0.9962 |
| 0.7 | 255.0 | 21.4 | 2.96 | 3.3571 |
| 0.7 | 285.0 | 18.0 | 2.13 | 0.6964 |
| 0.7 | 315.0 | 9.28 | 1.3 | 0.7146 |
| 0.7 | 345.0 | 5.67 | 0.918 | 0.6142 |
| 0.9 | 15.0 | 9.19 | 1.51 | 1.2264 |
| 0.9 | 45.0 | 11.8 | 1.65 | 1.1303 |
| 0.9 | 75.0 | 13.4 | 1.73 | 1.4431 |
| 0.9 | 105.0 | 9.93 | 1.54 | 0.8733 |
| 0.9 | 135.0 | 16.3 | 2.27 | 1.1303 |
| 0.9 | 165.0 | 17.3 | 2.59 | 1.9843 |
| 0.9 | 195.0 | 14.7 | 2.06 | 1.4799 |
| 0.9 | 225.0 | 18.6 | 2.53 | 2.2688 |
| 0.9 | 255.0 | 15.5 | 2.32 | 2.6552 |
| 0.9 | 285.0 | 11.4 | 1.63 | 0.7969 |
| 0.9 | 315.0 | 10.2 | 1.53 | 0.6744 |
| 0.9 | 345.0 | 6.66 | 1.14 | 0.2029 |
Experiment comment: