Measurement E9M8
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.24 GeV | |
| ε: | 0.824 | |
| 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 | 9.38 | 1.26 | 0.6349 |
| -0.9 | 45.0 | 10.9 | 1.42 | 0.7 |
| -0.9 | 75.0 | 9.4 | 1.41 | 0.799 |
| -0.9 | 105.0 | 13.7 | 1.95 | 1.5969 |
| -0.9 | 135.0 | 8.59 | 1.38 | 0.8855 |
| -0.9 | 165.0 | 7.92 | 1.37 | 0.4645 |
| -0.9 | 195.0 | 5.02 | 0.925 | 0.6844 |
| -0.9 | 225.0 | 10.4 | 1.46 | 0.5855 |
| -0.9 | 255.0 | 13.6 | 1.87 | 0.8124 |
| -0.9 | 285.0 | 12.3 | 1.55 | 0.6245 |
| -0.9 | 315.0 | 10.9 | 1.43 | 0.5244 |
| -0.9 | 345.0 | 10.2 | 1.35 | 0.3754 |
| -0.7 | 15.0 | 14.4 | 1.46 | 0.324 |
| -0.7 | 45.0 | 18.3 | 1.73 | 0.2598 |
| -0.7 | 75.0 | 20.9 | 2.21 | 0.5657 |
| -0.7 | 105.0 | 14.1 | 1.85 | 0.9138 |
| -0.7 | 135.0 | 11.2 | 1.35 | 2.2699 |
| -0.7 | 165.0 | 7.73 | 1.07 | 0.3146 |
| -0.7 | 195.0 | 8.04 | 1.16 | 0.398 |
| -0.7 | 225.0 | 11.4 | 1.58 | 0.6225 |
| -0.7 | 255.0 | 16.2 | 1.88 | 1.4071 |
| -0.7 | 285.0 | 18.0 | 1.89 | 0.967 |
| -0.7 | 315.0 | 16.9 | 1.62 | 0.7969 |
| -0.7 | 345.0 | 15.4 | 1.54 | 0.3317 |
| -0.5 | 15.0 | 15.1 | 1.37 | 0.7984 |
| -0.5 | 45.0 | 19.8 | 1.7 | 0.5196 |
| -0.5 | 75.0 | 26.8 | 2.74 | 1.4824 |
| -0.5 | 105.0 | 18.8 | 2.5 | 2.4031 |
| -0.5 | 135.0 | 17.3 | 2.38 | 2.9833 |
| -0.5 | 165.0 | 11.8 | 1.6 | 1.1875 |
| -0.5 | 195.0 | 7.81 | 1.04 | 0.568 |
| -0.5 | 225.0 | 13.8 | 2.07 | 1.4748 |
| -0.5 | 255.0 | 18.4 | 2.49 | 1.07 |
| -0.5 | 285.0 | 23.9 | 2.29 | 0.3571 |
| -0.5 | 315.0 | 19.8 | 1.65 | 1.7493 |
| -0.5 | 345.0 | 15.3 | 1.47 | 0.3202 |
| -0.3 | 15.0 | 13.0 | 1.26 | 0.4031 |
| -0.3 | 45.0 | 23.2 | 1.91 | 0.5545 |
| -0.3 | 75.0 | 22.8 | 2.58 | 0.6083 |
| -0.3 | 105.0 | 23.7 | 3.85 | 1.1927 |
| -0.3 | 135.0 | 23.6 | 3.96 | 0.7211 |
| -0.3 | 165.0 | 14.3 | 1.75 | 1.0149 |
| -0.3 | 195.0 | 9.9 | 1.42 | 0.9172 |
| -0.3 | 225.0 | 18.8 | 3.51 | 2.9206 |
| -0.3 | 255.0 | 30.6 | 4.57 | 3.8039 |
| -0.3 | 285.0 | 31.6 | 3.36 | 3.1867 |
| -0.3 | 315.0 | 24.6 | 2.06 | 2.0899 |
| -0.3 | 345.0 | 14.7 | 1.4 | 0.8515 |
| -0.1 | 15.0 | 15.0 | 1.42 | 0.1118 |
| -0.1 | 45.0 | 21.7 | 1.85 | 1.0642 |
| -0.1 | 75.0 | 24.6 | 2.93 | 0.7382 |
| -0.1 | 105.0 | 31.6 | 4.19 | 1.3766 |
| -0.1 | 135.0 | 14.5 | 3.35 | 3.0623 |
| -0.1 | 165.0 | 18.5 | 2.39 | 1.5564 |
| -0.1 | 195.0 | 11.3 | 1.75 | 1.737 |
| -0.1 | 225.0 | 15.2 | 3.21 | 1.7371 |
| -0.1 | 255.0 | 33.4 | 4.74 | 3.2661 |
| -0.1 | 285.0 | 29.7 | 3.14 | 1.9203 |
| -0.1 | 315.0 | 22.8 | 1.98 | 1.6778 |
| -0.1 | 345.0 | 15.3 | 1.4 | 0.6671 |
| 0.1 | 15.0 | 14.5 | 1.4 | 0.5701 |
| 0.1 | 45.0 | 21.6 | 1.88 | 1.2884 |
| 0.1 | 75.0 | 27.2 | 3.22 | 1.244 |
| 0.1 | 105.0 | 34.6 | 4.15 | 1.243 |
| 0.1 | 135.0 | 25.1 | 4.21 | 2.1107 |
| 0.1 | 165.0 | 14.1 | 2.06 | 1.2062 |
| 0.1 | 195.0 | 15.0 | 2.27 | 1.2942 |
| 0.1 | 225.0 | 29.2 | 4.74 | 1.8276 |
| 0.1 | 255.0 | 32.6 | 3.81 | 0.4031 |
| 0.1 | 285.0 | 25.7 | 2.87 | 2.6067 |
| 0.1 | 315.0 | 20.2 | 1.82 | 0.6461 |
| 0.1 | 345.0 | 14.3 | 1.33 | 0.5809 |
| 0.3 | 15.0 | 13.1 | 1.26 | 0.4472 |
| 0.3 | 45.0 | 21.4 | 2.1 | 1.6538 |
| 0.3 | 75.0 | 29.4 | 3.47 | 1.5199 |
| 0.3 | 105.0 | 27.0 | 2.92 | 1.5354 |
| 0.3 | 135.0 | 18.8 | 2.88 | 1.0099 |
| 0.3 | 165.0 | 12.0 | 2.18 | 1.2181 |
| 0.3 | 195.0 | 16.9 | 2.44 | 3.6352 |
| 0.3 | 225.0 | 22.5 | 3.56 | 2.5894 |
| 0.3 | 255.0 | 28.5 | 3.31 | 2.498 |
| 0.3 | 285.0 | 33.7 | 3.87 | 1.4992 |
| 0.3 | 315.0 | 18.8 | 1.78 | 0.324 |
| 0.3 | 345.0 | 11.9 | 1.18 | 0.5568 |
| 0.5 | 15.0 | 12.5 | 1.3 | 0.3969 |
| 0.5 | 45.0 | 16.0 | 1.73 | 0.522 |
| 0.5 | 75.0 | 26.6 | 3.1 | 1.1937 |
| 0.5 | 105.0 | 26.6 | 2.92 | 1.2816 |
| 0.5 | 135.0 | 25.0 | 3.55 | 1.4731 |
| 0.5 | 165.0 | 18.5 | 3.1 | 3.4918 |
| 0.5 | 195.0 | 12.9 | 2.12 | 2.404 |
| 0.5 | 225.0 | 28.0 | 4.05 | 2.9983 |
| 0.5 | 255.0 | 25.5 | 2.9 | 1.919 |
| 0.5 | 285.0 | 24.4 | 2.8 | 3.8399 |
| 0.5 | 315.0 | 16.1 | 1.75 | 1.1478 |
| 0.5 | 345.0 | 13.5 | 1.4 | 0.9274 |
| 0.7 | 15.0 | 8.64 | 1.08 | 0.4103 |
| 0.7 | 45.0 | 14.6 | 1.52 | 0.5408 |
| 0.7 | 75.0 | 20.7 | 2.76 | 1.593 |
| 0.7 | 105.0 | 18.1 | 2.56 | 1.8042 |
| 0.7 | 135.0 | 15.6 | 2.78 | 2.2776 |
| 0.7 | 165.0 | 14.8 | 2.44 | 2.511 |
| 0.7 | 195.0 | 9.67 | 1.72 | 0.9105 |
| 0.7 | 225.0 | 21.9 | 3.88 | 1.9767 |
| 0.7 | 255.0 | 22.0 | 2.91 | 2.0537 |
| 0.7 | 285.0 | 17.4 | 2.33 | 1.9717 |
| 0.7 | 315.0 | 13.4 | 1.45 | 0.7141 |
| 0.7 | 345.0 | 9.47 | 1.18 | 0.9085 |
| 0.9 | 15.0 | 8.77 | 1.2 | 0.7327 |
| 0.9 | 45.0 | 9.8 | 1.28 | 0.7031 |
| 0.9 | 75.0 | 13.0 | 1.91 | 2.4474 |
| 0.9 | 105.0 | 13.1 | 2.06 | 1.2845 |
| 0.9 | 135.0 | 7.43 | 1.47 | 1.3416 |
| 0.9 | 165.0 | 13.2 | 1.99 | 1.7029 |
| 0.9 | 195.0 | 9.24 | 1.45 | 0.9223 |
| 0.9 | 225.0 | 8.33 | 1.49 | 1.4766 |
| 0.9 | 255.0 | 10.5 | 1.7 | 2.0836 |
| 0.9 | 285.0 | 12.8 | 1.74 | 1.6576 |
| 0.9 | 315.0 | 12.7 | 1.58 | 1.3266 |
| 0.9 | 345.0 | 7.05 | 0.996 | 0.9761 |
Experiment comment: