Measurement E9M171
| 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: | 1.24 GeV | |
| ε: | 0.879 | |
| 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 | 7.18 | 1.24 | 0.6972 |
| -0.9 | 45.0 | 9.64 | 1.51 | 0.6644 |
| -0.9 | 75.0 | 11.0 | 1.84 | 1.6026 |
| -0.9 | 105.0 | 8.73 | 1.66 | 0.599 |
| -0.9 | 135.0 | 11.6 | 2.14 | 1.6126 |
| -0.9 | 165.0 | 4.48 | 1.08 | 0.172 |
| -0.9 | 195.0 | 4.39 | 1.01 | 0.4118 |
| -0.9 | 225.0 | 4.81 | 1.0 | 0.5229 |
| -0.9 | 255.0 | 7.55 | 1.43 | 0.6441 |
| -0.9 | 285.0 | 7.59 | 1.29 | 0.508 |
| -0.9 | 315.0 | 6.49 | 1.22 | 0.6395 |
| -0.9 | 345.0 | 6.8 | 1.21 | 0.4745 |
| -0.7 | 15.0 | 8.19 | 1.11 | 0.3649 |
| -0.7 | 45.0 | 7.52 | 0.953 | 0.7456 |
| -0.7 | 75.0 | 15.6 | 1.8 | 1.1906 |
| -0.7 | 105.0 | 10.5 | 1.46 | 0.2915 |
| -0.7 | 135.0 | 7.1 | 1.08 | 0.4962 |
| -0.7 | 165.0 | 4.66 | 0.847 | 0.266 |
| -0.7 | 195.0 | 8.79 | 1.49 | 1.2705 |
| -0.7 | 225.0 | 9.14 | 1.37 | 0.6381 |
| -0.7 | 255.0 | 12.8 | 1.67 | 0.9552 |
| -0.7 | 285.0 | 15.9 | 1.94 | 1.3838 |
| -0.7 | 315.0 | 10.1 | 1.32 | 1.1033 |
| -0.7 | 345.0 | 6.48 | 0.919 | 0.3746 |
| -0.5 | 15.0 | 9.3 | 1.2 | 0.4943 |
| -0.5 | 45.0 | 13.8 | 1.49 | 0.3 |
| -0.5 | 75.0 | 14.2 | 1.64 | 0.3082 |
| -0.5 | 105.0 | 17.6 | 2.24 | 1.256 |
| -0.5 | 135.0 | 9.6 | 1.32 | 0.3621 |
| -0.5 | 165.0 | 6.88 | 1.17 | 0.5881 |
| -0.5 | 195.0 | 7.53 | 1.3 | 1.1051 |
| -0.5 | 225.0 | 12.4 | 1.58 | 1.4463 |
| -0.5 | 255.0 | 16.2 | 2.03 | 1.4714 |
| -0.5 | 285.0 | 14.4 | 1.63 | 0.2739 |
| -0.5 | 315.0 | 12.9 | 1.39 | 1.2679 |
| -0.5 | 345.0 | 9.17 | 1.14 | 0.2816 |
| -0.3 | 15.0 | 9.09 | 1.14 | 0.294 |
| -0.3 | 45.0 | 15.1 | 1.49 | 1.163 |
| -0.3 | 75.0 | 18.8 | 2.03 | 1.2767 |
| -0.3 | 105.0 | 19.0 | 2.7 | 2.4434 |
| -0.3 | 135.0 | 15.8 | 2.24 | 0.8675 |
| -0.3 | 165.0 | 9.04 | 1.38 | 0.7508 |
| -0.3 | 195.0 | 6.09 | 0.951 | 0.4563 |
| -0.3 | 225.0 | 13.5 | 2.01 | 1.9207 |
| -0.3 | 255.0 | 12.8 | 2.0 | 0.5244 |
| -0.3 | 285.0 | 17.3 | 1.84 | 0.7071 |
| -0.3 | 315.0 | 13.0 | 1.35 | 0.9042 |
| -0.3 | 345.0 | 7.95 | 1.09 | 0.5862 |
| -0.1 | 15.0 | 9.23 | 1.1 | 0.0997 |
| -0.1 | 45.0 | 11.5 | 1.22 | 1.254 |
| -0.1 | 75.0 | 17.7 | 2.04 | 0.364 |
| -0.1 | 105.0 | 23.5 | 3.56 | 2.2616 |
| -0.1 | 135.0 | 17.5 | 2.53 | 0.5874 |
| -0.1 | 165.0 | 11.6 | 1.53 | 1.1398 |
| -0.1 | 195.0 | 8.04 | 1.18 | 0.446 |
| -0.1 | 225.0 | 11.8 | 1.77 | 1.5166 |
| -0.1 | 255.0 | 26.6 | 4.09 | 2.4176 |
| -0.1 | 285.0 | 18.1 | 1.98 | 0.9823 |
| -0.1 | 315.0 | 14.6 | 1.52 | 0.3279 |
| -0.1 | 345.0 | 9.71 | 1.21 | 0.4979 |
| 0.1 | 15.0 | 8.18 | 1.03 | 0.1628 |
| 0.1 | 45.0 | 13.7 | 1.48 | 1.0416 |
| 0.1 | 75.0 | 18.0 | 2.22 | 0.8718 |
| 0.1 | 105.0 | 16.7 | 3.34 | 1.1715 |
| 0.1 | 135.0 | 12.8 | 2.37 | 0.3536 |
| 0.1 | 165.0 | 12.2 | 1.55 | 1.8735 |
| 0.1 | 195.0 | 9.79 | 1.4 | 0.9965 |
| 0.1 | 225.0 | 11.4 | 2.18 | 2.0019 |
| 0.1 | 255.0 | 25.9 | 4.73 | 4.6795 |
| 0.1 | 285.0 | 21.4 | 2.36 | 0.5268 |
| 0.1 | 315.0 | 12.2 | 1.38 | 0.6285 |
| 0.1 | 345.0 | 9.27 | 1.18 | 0.0876 |
| 0.3 | 15.0 | 8.83 | 1.12 | 1.9088 |
| 0.3 | 45.0 | 16.0 | 1.71 | 0.1732 |
| 0.3 | 75.0 | 16.0 | 2.11 | 0.5788 |
| 0.3 | 105.0 | 13.4 | 2.89 | 0.9631 |
| 0.3 | 135.0 | 15.0 | 2.96 | 1.5017 |
| 0.3 | 165.0 | 12.2 | 1.72 | 0.7616 |
| 0.3 | 195.0 | 12.3 | 1.72 | 1.175 |
| 0.3 | 225.0 | 13.6 | 2.74 | 1.0012 |
| 0.3 | 255.0 | 15.5 | 3.0 | 1.8473 |
| 0.3 | 285.0 | 20.0 | 2.47 | 1.1979 |
| 0.3 | 315.0 | 11.3 | 1.29 | 0.3873 |
| 0.3 | 345.0 | 6.94 | 1.04 | 0.3223 |
| 0.5 | 15.0 | 7.82 | 1.13 | 0.4153 |
| 0.5 | 45.0 | 14.8 | 1.67 | 1.4697 |
| 0.5 | 75.0 | 15.5 | 2.08 | 1.0259 |
| 0.5 | 105.0 | 16.7 | 3.17 | 3.6097 |
| 0.5 | 135.0 | 12.3 | 2.73 | 0.9152 |
| 0.5 | 165.0 | 10.1 | 1.36 | 1.6787 |
| 0.5 | 195.0 | 9.29 | 1.38 | 0.7192 |
| 0.5 | 225.0 | 11.8 | 2.2 | 1.4824 |
| 0.5 | 255.0 | 22.3 | 3.91 | 2.0341 |
| 0.5 | 285.0 | 16.0 | 1.96 | 0.8902 |
| 0.5 | 315.0 | 13.8 | 1.66 | 1.4213 |
| 0.5 | 345.0 | 6.25 | 0.94 | 0.2016 |
| 0.7 | 15.0 | 6.39 | 1.03 | 0.543 |
| 0.7 | 45.0 | 11.0 | 1.35 | 0.3674 |
| 0.7 | 75.0 | 13.2 | 1.79 | 0.6364 |
| 0.7 | 105.0 | 20.0 | 3.4 | 3.9718 |
| 0.7 | 135.0 | 10.4 | 2.0 | 0.8399 |
| 0.7 | 165.0 | 14.5 | 1.94 | 1.4414 |
| 0.7 | 195.0 | 8.84 | 1.21 | 1.1811 |
| 0.7 | 225.0 | 10.8 | 1.84 | 0.4132 |
| 0.7 | 255.0 | 14.5 | 2.4 | 1.1565 |
| 0.7 | 285.0 | 12.8 | 1.61 | 0.9407 |
| 0.7 | 315.0 | 10.0 | 1.33 | 0.514 |
| 0.7 | 345.0 | 6.18 | 0.944 | 0.2582 |
| 0.9 | 15.0 | 3.89 | 0.756 | 0.3146 |
| 0.9 | 45.0 | 8.25 | 1.24 | 1.0827 |
| 0.9 | 75.0 | 8.56 | 1.25 | 0.6446 |
| 0.9 | 105.0 | 8.51 | 1.39 | 1.6077 |
| 0.9 | 135.0 | 9.83 | 1.64 | 0.6955 |
| 0.9 | 165.0 | 7.16 | 1.21 | 0.839 |
| 0.9 | 195.0 | 13.2 | 2.14 | 1.0571 |
| 0.9 | 225.0 | 7.38 | 1.23 | 0.5672 |
| 0.9 | 255.0 | 12.4 | 1.72 | 1.8173 |
| 0.9 | 285.0 | 12.0 | 1.78 | 1.499 |
| 0.9 | 315.0 | 7.19 | 1.14 | 0.8208 |
| 0.9 | 345.0 | 5.32 | 0.928 | 0.7115 |
Experiment comment: