Measurement E9M263
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.28 GeV | |
| ε: | 0.746 | |
| 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 | 1.56 | 0.352 | 0.4689 |
| -0.9 | 45.0 | 1.69 | 0.427 | 0.169 |
| -0.9 | 75.0 | 1.23 | 0.282 | 0.1303 |
| -0.9 | 105.0 | 2.27 | 0.495 | 0.3592 |
| -0.9 | 135.0 | 1.85 | 0.477 | 0.1742 |
| -0.9 | 165.0 | 0.807 | 0.259 | 0.1345 |
| -0.9 | 195.0 | 2.05 | 0.517 | 0.3223 |
| -0.9 | 225.0 | 0.925 | 0.257 | 0.0918 |
| -0.9 | 255.0 | 1.66 | 0.38 | 0.278 |
| -0.9 | 285.0 | 1.21 | 0.288 | 0.1819 |
| -0.9 | 315.0 | 1.76 | 0.384 | 0.3113 |
| -0.9 | 345.0 | 1.01 | 0.25 | 0.1415 |
| -0.7 | 15.0 | 1.97 | 0.36 | 0.2405 |
| -0.7 | 45.0 | 2.25 | 0.382 | 0.1218 |
| -0.7 | 75.0 | 2.84 | 0.456 | 0.6474 |
| -0.7 | 105.0 | 4.2 | 0.722 | 0.6212 |
| -0.7 | 135.0 | 1.88 | 0.432 | 0.3434 |
| -0.7 | 165.0 | 2.03 | 0.445 | 0.3579 |
| -0.7 | 195.0 | 0.957 | 0.228 | 0.2343 |
| -0.7 | 225.0 | 2.76 | 0.536 | 0.2688 |
| -0.7 | 255.0 | 3.11 | 0.585 | 0.4694 |
| -0.7 | 285.0 | 3.08 | 0.512 | 0.1182 |
| -0.7 | 315.0 | 2.12 | 0.387 | 0.3257 |
| -0.7 | 345.0 | 2.6 | 0.454 | 0.531 |
| -0.5 | 15.0 | 1.92 | 0.353 | 0.281 |
| -0.5 | 45.0 | 4.13 | 0.611 | 0.3034 |
| -0.5 | 75.0 | 2.9 | 0.468 | 0.5831 |
| -0.5 | 105.0 | 4.36 | 0.778 | 0.6512 |
| -0.5 | 135.0 | 2.63 | 0.507 | 0.3276 |
| -0.5 | 165.0 | 2.27 | 0.453 | 0.1517 |
| -0.5 | 195.0 | 1.92 | 0.383 | 0.2472 |
| -0.5 | 225.0 | 3.2 | 0.595 | 0.3966 |
| -0.5 | 255.0 | 5.08 | 0.843 | 0.3878 |
| -0.5 | 285.0 | 4.6 | 0.667 | 0.2579 |
| -0.5 | 315.0 | 3.31 | 0.524 | 0.2076 |
| -0.5 | 345.0 | 2.24 | 0.351 | 0.0579 |
| -0.3 | 15.0 | 2.58 | 0.38 | 0.206 |
| -0.3 | 45.0 | 3.43 | 0.5 | 0.2077 |
| -0.3 | 75.0 | 5.92 | 0.813 | 0.1394 |
| -0.3 | 105.0 | 4.85 | 0.853 | 0.1722 |
| -0.3 | 135.0 | 2.92 | 0.577 | 0.3653 |
| -0.3 | 165.0 | 1.85 | 0.349 | 0.1744 |
| -0.3 | 195.0 | 1.39 | 0.271 | 0.4269 |
| -0.3 | 225.0 | 3.47 | 0.658 | 0.6155 |
| -0.3 | 255.0 | 4.45 | 0.729 | 0.2948 |
| -0.3 | 285.0 | 4.2 | 0.607 | 0.3275 |
| -0.3 | 315.0 | 2.46 | 0.374 | 0.1684 |
| -0.3 | 345.0 | 2.28 | 0.342 | 0.2158 |
| -0.1 | 15.0 | 2.25 | 0.352 | 0.0918 |
| -0.1 | 45.0 | 3.77 | 0.52 | 0.182 |
| -0.1 | 75.0 | 5.5 | 0.838 | 0.5936 |
| -0.1 | 105.0 | 6.2 | 0.992 | 0.399 |
| -0.1 | 135.0 | 4.67 | 0.914 | 0.4039 |
| -0.1 | 165.0 | 2.17 | 0.386 | 0.2075 |
| -0.1 | 195.0 | 3.07 | 0.531 | 0.3273 |
| -0.1 | 225.0 | 4.0 | 0.77 | 0.4144 |
| -0.1 | 255.0 | 5.94 | 1.01 | 0.1754 |
| -0.1 | 285.0 | 5.3 | 0.824 | 0.5489 |
| -0.1 | 315.0 | 3.43 | 0.487 | 0.0826 |
| -0.1 | 345.0 | 2.6 | 0.362 | 0.3943 |
| 0.1 | 15.0 | 3.07 | 0.472 | 0.4359 |
| 0.1 | 45.0 | 3.48 | 0.516 | 0.3012 |
| 0.1 | 75.0 | 4.47 | 0.661 | 0.8059 |
| 0.1 | 105.0 | 4.91 | 0.853 | 0.1953 |
| 0.1 | 135.0 | 3.92 | 0.865 | 0.2906 |
| 0.1 | 165.0 | 2.62 | 0.475 | 0.1166 |
| 0.1 | 195.0 | 2.67 | 0.495 | 0.4521 |
| 0.1 | 225.0 | 2.48 | 0.53 | 0.9468 |
| 0.1 | 255.0 | 5.81 | 0.95 | 0.7128 |
| 0.1 | 285.0 | 4.3 | 0.693 | 0.4107 |
| 0.1 | 315.0 | 2.75 | 0.439 | 0.055 |
| 0.1 | 345.0 | 2.99 | 0.43 | 0.1246 |
| 0.3 | 15.0 | 1.85 | 0.321 | 0.303 |
| 0.3 | 45.0 | 4.44 | 0.612 | 0.279 |
| 0.3 | 75.0 | 3.8 | 0.628 | 0.7243 |
| 0.3 | 105.0 | 3.8 | 0.659 | 0.3856 |
| 0.3 | 135.0 | 2.83 | 0.652 | 0.1758 |
| 0.3 | 165.0 | 3.01 | 0.616 | 0.1842 |
| 0.3 | 195.0 | 2.25 | 0.431 | 0.2483 |
| 0.3 | 225.0 | 4.24 | 0.931 | 0.7876 |
| 0.3 | 255.0 | 5.65 | 0.996 | 0.4145 |
| 0.3 | 285.0 | 6.44 | 1.0 | 0.4052 |
| 0.3 | 315.0 | 3.85 | 0.543 | 0.4915 |
| 0.3 | 345.0 | 2.37 | 0.385 | 0.2452 |
| 0.5 | 15.0 | 2.52 | 0.408 | 0.1793 |
| 0.5 | 45.0 | 2.86 | 0.43 | 0.1333 |
| 0.5 | 75.0 | 3.45 | 0.557 | 1.4417 |
| 0.5 | 105.0 | 5.17 | 0.917 | 0.3144 |
| 0.5 | 135.0 | 4.19 | 0.839 | 0.3418 |
| 0.5 | 165.0 | 2.79 | 0.508 | 0.3863 |
| 0.5 | 195.0 | 2.12 | 0.429 | 0.4411 |
| 0.5 | 225.0 | 3.78 | 0.868 | 0.6281 |
| 0.5 | 255.0 | 3.84 | 0.604 | 2.3008 |
| 0.5 | 285.0 | 3.09 | 0.562 | 0.0779 |
| 0.5 | 315.0 | 3.07 | 0.497 | 0.1318 |
| 0.5 | 345.0 | 1.55 | 0.255 | 0.4706 |
| 0.7 | 15.0 | 1.49 | 0.274 | 0.1701 |
| 0.7 | 45.0 | 2.64 | 0.447 | 0.2703 |
| 0.7 | 75.0 | 3.45 | 0.647 | 0.2727 |
| 0.7 | 105.0 | 4.79 | 0.953 | 0.5081 |
| 0.7 | 135.0 | 3.64 | 0.799 | 0.5194 |
| 0.7 | 165.0 | 2.63 | 0.473 | 0.6248 |
| 0.7 | 195.0 | 2.07 | 0.437 | 0.2689 |
| 0.7 | 225.0 | 1.53 | 0.365 | 0.5455 |
| 0.7 | 255.0 | 3.46 | 0.68 | 0.4953 |
| 0.7 | 285.0 | 2.84 | 0.521 | 0.3933 |
| 0.7 | 315.0 | 1.67 | 0.335 | 0.1044 |
| 0.7 | 345.0 | 1.94 | 0.358 | 0.1762 |
| 0.9 | 15.0 | 1.67 | 0.395 | 0.1899 |
| 0.9 | 45.0 | 1.43 | 0.353 | 0.0892 |
| 0.9 | 75.0 | 2.09 | 0.483 | 0.3373 |
| 0.9 | 105.0 | 1.77 | 0.448 | 0.2314 |
| 0.9 | 135.0 | 2.59 | 0.704 | 0.2791 |
| 0.9 | 165.0 | 1.82 | 0.383 | 0.5133 |
| 0.9 | 195.0 | 2.69 | 0.591 | 0.3727 |
| 0.9 | 225.0 | 2.99 | 0.678 | 0.4332 |
| 0.9 | 255.0 | 1.78 | 0.481 | 0.5397 |
| 0.9 | 285.0 | 2.02 | 0.455 | 0.3817 |
| 0.9 | 315.0 | 2.3 | 0.53 | 0.3233 |
| 0.9 | 345.0 | 1.71 | 0.424 | 0.1999 |
Experiment comment: