Measurement E9M7
| 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: | 1.22 GeV | |
| ε: | 0.833 | |
| 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 | 15.8 | 1.89 | 1.1269 |
| -0.9 | 45.0 | 14.1 | 1.61 | 0.9798 |
| -0.9 | 75.0 | 15.3 | 1.78 | 3.1607 |
| -0.9 | 105.0 | 18.4 | 2.22 | 1.653 |
| -0.9 | 135.0 | 12.9 | 1.83 | 1.3739 |
| -0.9 | 165.0 | 8.29 | 1.29 | 0.5326 |
| -0.9 | 195.0 | 9.84 | 1.52 | 1.1866 |
| -0.9 | 225.0 | 13.4 | 1.75 | 1.9653 |
| -0.9 | 255.0 | 17.2 | 2.24 | 1.7371 |
| -0.9 | 285.0 | 10.1 | 1.41 | 1.3038 |
| -0.9 | 315.0 | 19.2 | 2.16 | 1.0851 |
| -0.9 | 345.0 | 10.3 | 1.28 | 1.4629 |
| -0.7 | 15.0 | 20.6 | 1.93 | 0.5745 |
| -0.7 | 45.0 | 19.2 | 1.7 | 2.5495 |
| -0.7 | 75.0 | 27.2 | 2.56 | 0.8803 |
| -0.7 | 105.0 | 18.8 | 2.14 | 0.3708 |
| -0.7 | 135.0 | 19.3 | 2.22 | 1.6394 |
| -0.7 | 165.0 | 11.6 | 1.49 | 0.6837 |
| -0.7 | 195.0 | 10.9 | 1.48 | 0.6781 |
| -0.7 | 225.0 | 16.4 | 1.84 | 1.7923 |
| -0.7 | 255.0 | 18.2 | 1.99 | 0.3279 |
| -0.7 | 285.0 | 20.8 | 2.05 | 2.3119 |
| -0.7 | 315.0 | 22.1 | 2.03 | 0.9552 |
| -0.7 | 345.0 | 17.6 | 1.69 | 0.3905 |
| -0.5 | 15.0 | 20.5 | 1.8 | 0.8746 |
| -0.5 | 45.0 | 25.5 | 2.1 | 0.6062 |
| -0.5 | 75.0 | 31.6 | 2.81 | 0.9301 |
| -0.5 | 105.0 | 27.3 | 3.36 | 2.8627 |
| -0.5 | 135.0 | 18.1 | 2.28 | 0.8016 |
| -0.5 | 165.0 | 9.91 | 1.27 | 0.6193 |
| -0.5 | 195.0 | 16.3 | 1.89 | 1.6225 |
| -0.5 | 225.0 | 31.5 | 3.56 | 2.3685 |
| -0.5 | 255.0 | 29.8 | 3.21 | 1.9551 |
| -0.5 | 285.0 | 36.9 | 3.19 | 2.658 |
| -0.5 | 315.0 | 25.2 | 2.15 | 1.3096 |
| -0.5 | 345.0 | 20.8 | 1.87 | 0.5568 |
| -0.3 | 15.0 | 16.1 | 1.55 | 0.5431 |
| -0.3 | 45.0 | 26.0 | 2.16 | 0.5831 |
| -0.3 | 75.0 | 30.5 | 3.01 | 0.9836 |
| -0.3 | 105.0 | 41.8 | 5.17 | 2.7331 |
| -0.3 | 135.0 | 29.6 | 4.28 | 3.8617 |
| -0.3 | 165.0 | 22.1 | 2.37 | 1.1424 |
| -0.3 | 195.0 | 14.5 | 1.78 | 1.01 |
| -0.3 | 225.0 | 25.5 | 3.36 | 2.6053 |
| -0.3 | 255.0 | 24.5 | 3.33 | 4.9145 |
| -0.3 | 285.0 | 38.8 | 3.39 | 0.9192 |
| -0.3 | 315.0 | 31.2 | 2.5 | 2.0946 |
| -0.3 | 345.0 | 19.7 | 1.75 | 0.4743 |
| -0.1 | 15.0 | 18.8 | 1.73 | 0.3317 |
| -0.1 | 45.0 | 21.5 | 1.81 | 1.118 |
| -0.1 | 75.0 | 28.6 | 3.18 | 1.2104 |
| -0.1 | 105.0 | 36.0 | 5.53 | 1.6651 |
| -0.1 | 135.0 | 22.7 | 3.94 | 2.1909 |
| -0.1 | 165.0 | 21.4 | 2.41 | 1.7117 |
| -0.1 | 195.0 | 15.0 | 1.78 | 1.3463 |
| -0.1 | 225.0 | 22.9 | 3.99 | 3.096 |
| -0.1 | 255.0 | 42.1 | 6.13 | 1.4595 |
| -0.1 | 285.0 | 40.1 | 3.78 | 1.3332 |
| -0.1 | 315.0 | 29.9 | 2.38 | 1.5548 |
| -0.1 | 345.0 | 18.5 | 1.71 | 0.3937 |
| 0.1 | 15.0 | 17.7 | 1.69 | 0.1581 |
| 0.1 | 45.0 | 30.2 | 2.54 | 0.6364 |
| 0.1 | 75.0 | 33.1 | 3.66 | 1.2309 |
| 0.1 | 105.0 | 36.6 | 4.75 | 2.2924 |
| 0.1 | 135.0 | 22.8 | 4.66 | 2.0143 |
| 0.1 | 165.0 | 15.5 | 2.04 | 0.7665 |
| 0.1 | 195.0 | 20.5 | 2.47 | 2.073 |
| 0.1 | 225.0 | 26.6 | 4.97 | 2.4109 |
| 0.1 | 255.0 | 31.3 | 4.67 | 1.249 |
| 0.1 | 285.0 | 33.3 | 3.63 | 0.8689 |
| 0.1 | 315.0 | 24.6 | 2.24 | 0.5385 |
| 0.1 | 345.0 | 15.1 | 1.48 | 1.2062 |
| 0.3 | 15.0 | 14.1 | 1.36 | 1.8621 |
| 0.3 | 45.0 | 22.3 | 2.06 | 1.084 |
| 0.3 | 75.0 | 35.9 | 4.08 | 1.241 |
| 0.3 | 105.0 | 34.3 | 4.31 | 2.6674 |
| 0.3 | 135.0 | 31.6 | 5.32 | 2.673 |
| 0.3 | 165.0 | 25.6 | 3.17 | 2.1243 |
| 0.3 | 195.0 | 23.0 | 2.78 | 2.0773 |
| 0.3 | 225.0 | 17.3 | 3.91 | 2.0755 |
| 0.3 | 255.0 | 36.0 | 5.0 | 2.5318 |
| 0.3 | 285.0 | 33.7 | 3.67 | 2.9133 |
| 0.3 | 315.0 | 27.8 | 2.4 | 0.4555 |
| 0.3 | 345.0 | 15.9 | 1.55 | 0.3279 |
| 0.5 | 15.0 | 16.1 | 1.6 | 0.4899 |
| 0.5 | 45.0 | 20.5 | 2.05 | 0.6519 |
| 0.5 | 75.0 | 31.4 | 3.71 | 1.1467 |
| 0.5 | 105.0 | 25.3 | 3.48 | 2.5382 |
| 0.5 | 135.0 | 20.5 | 3.55 | 3.2199 |
| 0.5 | 165.0 | 15.5 | 2.01 | 2.0341 |
| 0.5 | 195.0 | 25.2 | 3.12 | 2.93 |
| 0.5 | 225.0 | 19.2 | 4.09 | 1.8835 |
| 0.5 | 255.0 | 31.6 | 4.49 | 1.6934 |
| 0.5 | 285.0 | 34.6 | 3.9 | 1.9255 |
| 0.5 | 315.0 | 27.0 | 2.51 | 2.3843 |
| 0.5 | 345.0 | 16.0 | 1.62 | 0.5657 |
| 0.7 | 15.0 | 11.8 | 1.33 | 0.8789 |
| 0.7 | 45.0 | 18.4 | 1.86 | 0.886 |
| 0.7 | 75.0 | 20.9 | 2.71 | 1.0665 |
| 0.7 | 105.0 | 23.0 | 3.33 | 2.0081 |
| 0.7 | 135.0 | 19.6 | 3.71 | 2.9912 |
| 0.7 | 165.0 | 18.6 | 2.27 | 2.1517 |
| 0.7 | 195.0 | 16.8 | 2.15 | 2.6986 |
| 0.7 | 225.0 | 19.5 | 3.58 | 2.2749 |
| 0.7 | 255.0 | 31.5 | 4.19 | 2.804 |
| 0.7 | 285.0 | 22.2 | 2.59 | 2.6372 |
| 0.7 | 315.0 | 16.5 | 1.73 | 0.7365 |
| 0.7 | 345.0 | 11.4 | 1.3 | 0.5612 |
| 0.9 | 15.0 | 12.8 | 1.55 | 1.2718 |
| 0.9 | 45.0 | 15.8 | 1.8 | 1.5149 |
| 0.9 | 75.0 | 15.5 | 2.0 | 1.3257 |
| 0.9 | 105.0 | 14.2 | 2.07 | 2.0125 |
| 0.9 | 135.0 | 14.9 | 2.3 | 2.1378 |
| 0.9 | 165.0 | 15.5 | 2.0 | 1.4422 |
| 0.9 | 195.0 | 18.9 | 2.35 | 2.5661 |
| 0.9 | 225.0 | 14.5 | 2.06 | 1.2093 |
| 0.9 | 255.0 | 22.1 | 2.77 | 2.4434 |
| 0.9 | 285.0 | 15.3 | 1.92 | 1.4361 |
| 0.9 | 315.0 | 13.0 | 1.57 | 1.0392 |
| 0.9 | 345.0 | 12.6 | 1.55 | 1.2319 |
Experiment comment: