Measurement E9M86
| 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: | 1.24 GeV | |
| ε: | 0.769 | |
| 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 | 9.0 | 1.19 | 0.3138 |
| -0.9 | 45.0 | 8.58 | 1.16 | 0.4915 |
| -0.9 | 75.0 | 9.26 | 1.29 | 0.7982 |
| -0.9 | 105.0 | 12.1 | 1.59 | 0.8986 |
| -0.9 | 135.0 | 5.3 | 0.833 | 0.3863 |
| -0.9 | 165.0 | 4.82 | 0.878 | 0.7997 |
| -0.9 | 195.0 | 5.4 | 0.892 | 1.5216 |
| -0.9 | 225.0 | 8.03 | 1.29 | 0.9791 |
| -0.9 | 255.0 | 8.49 | 1.21 | 0.3483 |
| -0.9 | 285.0 | 11.7 | 1.59 | 1.4562 |
| -0.9 | 315.0 | 9.31 | 1.25 | 0.4499 |
| -0.9 | 345.0 | 8.69 | 1.15 | 0.5256 |
| -0.7 | 15.0 | 11.8 | 1.2 | 0.7697 |
| -0.7 | 45.0 | 13.3 | 1.33 | 0.6245 |
| -0.7 | 75.0 | 15.6 | 1.69 | 1.321 |
| -0.7 | 105.0 | 16.5 | 1.89 | 0.324 |
| -0.7 | 135.0 | 7.91 | 1.15 | 0.7223 |
| -0.7 | 165.0 | 8.78 | 1.17 | 1.4472 |
| -0.7 | 195.0 | 4.89 | 0.771 | 0.4302 |
| -0.7 | 225.0 | 9.31 | 1.25 | 0.859 |
| -0.7 | 255.0 | 18.6 | 2.12 | 1.9092 |
| -0.7 | 285.0 | 15.2 | 1.67 | 1.3115 |
| -0.7 | 315.0 | 10.9 | 1.14 | 0.8209 |
| -0.7 | 345.0 | 10.1 | 1.11 | 1.1628 |
| -0.5 | 15.0 | 12.0 | 1.13 | 0.6595 |
| -0.5 | 45.0 | 13.3 | 1.24 | 1.0618 |
| -0.5 | 75.0 | 20.4 | 2.02 | 0.4555 |
| -0.5 | 105.0 | 19.6 | 2.21 | 0.75 |
| -0.5 | 135.0 | 14.9 | 2.1 | 1.7944 |
| -0.5 | 165.0 | 13.7 | 1.7 | 2.893 |
| -0.5 | 195.0 | 8.51 | 1.08 | 0.6656 |
| -0.5 | 225.0 | 12.6 | 1.68 | 0.9823 |
| -0.5 | 255.0 | 20.5 | 2.34 | 0.8078 |
| -0.5 | 285.0 | 17.7 | 1.81 | 1.9545 |
| -0.5 | 315.0 | 12.8 | 1.18 | 1.5819 |
| -0.5 | 345.0 | 12.8 | 1.22 | 0.5074 |
| -0.3 | 15.0 | 10.6 | 1.0 | 0.2179 |
| -0.3 | 45.0 | 16.6 | 1.53 | 0.3937 |
| -0.3 | 75.0 | 25.6 | 2.6 | 2.0081 |
| -0.3 | 105.0 | 16.1 | 2.03 | 1.6904 |
| -0.3 | 135.0 | 16.1 | 2.25 | 2.0187 |
| -0.3 | 165.0 | 9.09 | 1.1 | 0.971 |
| -0.3 | 195.0 | 10.9 | 1.29 | 0.6258 |
| -0.3 | 225.0 | 18.7 | 2.53 | 1.9125 |
| -0.3 | 255.0 | 16.8 | 2.01 | 1.4474 |
| -0.3 | 285.0 | 18.9 | 1.97 | 1.2288 |
| -0.3 | 315.0 | 16.4 | 1.47 | 0.9421 |
| -0.3 | 345.0 | 11.7 | 1.18 | 1.281 |
| -0.1 | 15.0 | 12.3 | 1.16 | 0.1118 |
| -0.1 | 45.0 | 16.0 | 1.45 | 0.7616 |
| -0.1 | 75.0 | 21.2 | 2.28 | 0.4093 |
| -0.1 | 105.0 | 27.2 | 3.01 | 1.2913 |
| -0.1 | 135.0 | 21.4 | 3.28 | 2.5164 |
| -0.1 | 165.0 | 11.9 | 1.49 | 0.6442 |
| -0.1 | 195.0 | 10.3 | 1.33 | 1.0953 |
| -0.1 | 225.0 | 16.8 | 2.76 | 2.1558 |
| -0.1 | 255.0 | 19.6 | 2.28 | 0.9887 |
| -0.1 | 285.0 | 28.4 | 2.74 | 1.1169 |
| -0.1 | 315.0 | 16.1 | 1.44 | 0.7246 |
| -0.1 | 345.0 | 10.8 | 1.08 | 0.1936 |
| 0.1 | 15.0 | 9.62 | 0.922 | 0.9427 |
| 0.1 | 45.0 | 20.0 | 1.73 | 0.2398 |
| 0.1 | 75.0 | 26.5 | 2.59 | 1.6598 |
| 0.1 | 105.0 | 34.8 | 3.56 | 2.6311 |
| 0.1 | 135.0 | 14.3 | 2.4 | 0.5545 |
| 0.1 | 165.0 | 15.6 | 1.89 | 1.1079 |
| 0.1 | 195.0 | 9.68 | 1.35 | 1.0673 |
| 0.1 | 225.0 | 13.0 | 2.19 | 1.4133 |
| 0.1 | 255.0 | 28.2 | 2.95 | 0.4975 |
| 0.1 | 285.0 | 27.3 | 2.65 | 1.9717 |
| 0.1 | 315.0 | 17.9 | 1.63 | 0.866 |
| 0.1 | 345.0 | 11.0 | 1.05 | 0.3536 |
| 0.3 | 15.0 | 12.6 | 1.23 | 0.6782 |
| 0.3 | 45.0 | 15.4 | 1.54 | 0.6614 |
| 0.3 | 75.0 | 20.4 | 2.04 | 2.6053 |
| 0.3 | 105.0 | 24.5 | 2.68 | 1.7125 |
| 0.3 | 135.0 | 17.3 | 2.57 | 1.6263 |
| 0.3 | 165.0 | 10.7 | 1.58 | 1.3959 |
| 0.3 | 195.0 | 17.3 | 2.15 | 1.0724 |
| 0.3 | 225.0 | 15.8 | 2.57 | 1.0654 |
| 0.3 | 255.0 | 21.2 | 2.38 | 1.05 |
| 0.3 | 285.0 | 21.3 | 2.26 | 0.4822 |
| 0.3 | 315.0 | 16.4 | 1.53 | 0.2739 |
| 0.3 | 345.0 | 10.3 | 1.02 | 0.3 |
| 0.5 | 15.0 | 8.7 | 0.902 | 1.2977 |
| 0.5 | 45.0 | 16.3 | 1.61 | 0.7365 |
| 0.5 | 75.0 | 22.2 | 2.3 | 0.8529 |
| 0.5 | 105.0 | 18.4 | 2.13 | 1.8187 |
| 0.5 | 135.0 | 21.0 | 2.96 | 1.558 |
| 0.5 | 165.0 | 13.3 | 2.0 | 1.7776 |
| 0.5 | 195.0 | 16.7 | 2.19 | 2.9112 |
| 0.5 | 225.0 | 22.0 | 3.08 | 1.1467 |
| 0.5 | 255.0 | 25.8 | 2.73 | 1.6576 |
| 0.5 | 285.0 | 21.2 | 2.33 | 2.4382 |
| 0.5 | 315.0 | 15.3 | 1.53 | 0.2915 |
| 0.5 | 345.0 | 9.27 | 0.979 | 0.512 |
| 0.7 | 15.0 | 8.41 | 1.04 | 0.9734 |
| 0.7 | 45.0 | 13.3 | 1.48 | 0.8874 |
| 0.7 | 75.0 | 13.5 | 1.58 | 0.9552 |
| 0.7 | 105.0 | 18.6 | 2.39 | 2.2605 |
| 0.7 | 135.0 | 14.0 | 2.46 | 1.6125 |
| 0.7 | 165.0 | 10.6 | 1.45 | 2.005 |
| 0.7 | 195.0 | 17.6 | 2.31 | 2.5632 |
| 0.7 | 225.0 | 15.1 | 2.51 | 1.7015 |
| 0.7 | 255.0 | 18.9 | 2.49 | 2.7591 |
| 0.7 | 285.0 | 16.2 | 1.94 | 1.0689 |
| 0.7 | 315.0 | 10.7 | 1.19 | 1.562 |
| 0.7 | 345.0 | 8.67 | 0.991 | 0.4522 |
| 0.9 | 15.0 | 7.65 | 1.04 | 0.8682 |
| 0.9 | 45.0 | 8.84 | 1.15 | 0.3865 |
| 0.9 | 75.0 | 14.5 | 2.07 | 2.6339 |
| 0.9 | 105.0 | 10.5 | 1.62 | 0.9 |
| 0.9 | 135.0 | 11.1 | 1.72 | 1.9033 |
| 0.9 | 165.0 | 9.77 | 1.46 | 1.5344 |
| 0.9 | 195.0 | 9.59 | 1.41 | 1.056 |
| 0.9 | 225.0 | 11.9 | 1.8 | 1.7684 |
| 0.9 | 255.0 | 10.4 | 1.45 | 0.7242 |
| 0.9 | 285.0 | 13.1 | 1.66 | 1.4654 |
| 0.9 | 315.0 | 10.1 | 1.3 | 1.6419 |
| 0.9 | 345.0 | 7.34 | 1.03 | 0.5697 |
Experiment comment: