Measurement E151M2082
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.0796 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.899 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | 1.5519 | 0.754 |
| 0.35 | 78.0 | 0.6054 | 0.938 |
| 0.35 | 270.0 | 0.892 | 0.7928 |
| 0.35 | 282.0 | -0.131 | 0.7915 |
| 0.45 | 66.0 | -0.795 | 0.8601 |
| 0.45 | 78.0 | -0.2217 | 0.8266 |
| 0.45 | 90.0 | 0.8636 | 0.8786 |
| 0.45 | 102.0 | -0.0512 | 1.1122 |
| 0.45 | 114.0 | 0.402 | 1.1233 |
| 0.45 | 126.0 | 0.5842 | 1.1054 |
| 0.45 | 270.0 | -0.7747 | 0.6737 |
| 0.45 | 282.0 | 0.6413 | 0.7266 |
| 0.45 | 294.0 | -0.9479 | 0.7076 |
| 0.55 | 78.0 | -0.9212 | 1.0318 |
| 0.55 | 90.0 | -1.6166 | 0.9751 |
| 0.55 | 114.0 | -2.0063 | 0.7838 |
| 0.55 | 138.0 | -1.4401 | 0.8937 |
| 0.55 | 222.0 | -0.6837 | 0.9822 |
| 0.55 | 234.0 | 1.9163 | 0.9316 |
| 0.55 | 246.0 | -1.299 | 0.8594 |
| 0.55 | 258.0 | 0.4085 | 1.0323 |
| 0.55 | 270.0 | -0.3477 | 0.6867 |
| 0.55 | 282.0 | -0.0042 | 0.727 |
| 0.65 | 78.0 | 0.8872 | 0.9524 |
| 0.65 | 90.0 | -0.0124 | 1.1052 |
| 0.65 | 102.0 | 0.6668 | 1.2485 |
| 0.65 | 114.0 | -0.0166 | 0.8953 |
| 0.65 | 126.0 | 0.6666 | 0.9364 |
| 0.65 | 138.0 | -1.526 | 0.8119 |
| 0.65 | 150.0 | 1.9432 | 0.9075 |
| 0.65 | 162.0 | 0.2772 | 1.1661 |
| 0.65 | 198.0 | -0.5743 | 1.0029 |
| 0.65 | 210.0 | -1.225 | 0.9083 |
| 0.65 | 222.0 | 1.9865 | 0.694 |
| 0.65 | 234.0 | 0.1353 | 0.8468 |
| 0.65 | 246.0 | 0.3156 | 0.8163 |
| 0.65 | 258.0 | -1.7725 | 0.8935 |
| 0.65 | 270.0 | -0.615 | 0.8128 |
| 0.65 | 294.0 | 0.1319 | 0.8151 |
| 0.75 | 66.0 | -1.0972 | 1.0296 |
| 0.75 | 102.0 | -0.8135 | 1.1136 |
| 0.75 | 114.0 | -0.0699 | 0.9699 |
| 0.75 | 126.0 | -1.3817 | 0.8632 |
| 0.75 | 138.0 | 0.9403 | 0.9941 |
| 0.75 | 150.0 | 0.1104 | 1.2702 |
| 0.75 | 162.0 | 0.3844 | 1.1948 |
| 0.75 | 198.0 | 0.5111 | 1.1852 |
| 0.75 | 210.0 | -0.6161 | 0.9007 |
| 0.75 | 222.0 | -0.6072 | 0.815 |
| 0.75 | 234.0 | -0.3356 | 0.894 |
| 0.75 | 246.0 | 0.6131 | 0.9575 |
| 0.75 | 270.0 | 0.2405 | 0.8128 |
| 0.75 | 282.0 | 0.3566 | 0.6524 |
| 0.75 | 294.0 | 0.0473 | 0.8856 |
| 0.85 | 90.0 | -1.9182 | 1.2025 |
| 0.85 | 102.0 | -0.7705 | 1.1765 |
| 0.85 | 114.0 | -0.5878 | 1.3545 |
| 0.85 | 126.0 | -1.3104 | 1.3638 |
| 0.85 | 210.0 | -1.0934 | 0.9439 |
| 0.85 | 222.0 | -0.0882 | 1.0005 |
| 0.85 | 234.0 | -1.1477 | 0.8132 |
| 0.85 | 246.0 | 0.1181 | 0.9416 |
| 0.85 | 258.0 | 1.3705 | 1.1604 |
| 0.85 | 270.0 | 1.5352 | 1.0681 |
| 0.95 | 210.0 | -3.6201 | 3.6045 |
| 0.95 | 222.0 | 3.8293 | 3.181 |
| 0.25 | 66.0 | 0.137 | 0.7556 |
| 0.25 | 78.0 | -0.331 | 0.6647 |
| 0.25 | 294.0 | 0.4906 | 0.7209 |
| 0.35 | 66.0 | -0.2164 | 0.6335 |
| 0.35 | 78.0 | 0.0285 | 0.5494 |
| 0.35 | 270.0 | 0.0303 | 0.736 |
| 0.35 | 282.0 | 0.1447 | 0.639 |
| 0.35 | 294.0 | 0.7855 | 0.6379 |
| 0.45 | 66.0 | 0.6206 | 0.7127 |
| 0.45 | 78.0 | -0.2088 | 0.5446 |
| 0.45 | 90.0 | -0.3382 | 0.7495 |
| 0.45 | 114.0 | 0.133 | 0.767 |
| 0.45 | 258.0 | 0.1097 | 0.7523 |
| 0.45 | 270.0 | -0.3322 | 0.539 |
| 0.45 | 282.0 | -0.2838 | 0.577 |
| 0.45 | 294.0 | -0.3189 | 0.6902 |
| 0.55 | 66.0 | -0.0824 | 0.7496 |
| 0.55 | 78.0 | 0.6276 | 0.7395 |
| 0.55 | 90.0 | 0.7436 | 0.7607 |
| 0.55 | 102.0 | -1.3154 | 0.7092 |
| 0.55 | 114.0 | -0.0856 | 0.8551 |
| 0.55 | 126.0 | 0.7219 | 0.7272 |
| 0.55 | 138.0 | 0.3674 | 0.7418 |
| 0.55 | 210.0 | -0.3209 | 0.8388 |
| 0.55 | 234.0 | 0.91 | 0.8736 |
| 0.55 | 246.0 | 0.2929 | 0.7353 |
| 0.55 | 258.0 | 1.1056 | 0.6231 |
| 0.55 | 270.0 | -0.7875 | 0.5748 |
| 0.55 | 282.0 | 0.1376 | 0.5239 |
| 0.65 | 66.0 | 0.1324 | 0.6402 |
| 0.65 | 78.0 | -0.0215 | 0.7729 |
| 0.65 | 102.0 | -0.1845 | 0.7335 |
| 0.65 | 114.0 | -0.9717 | 0.5825 |
| 0.65 | 126.0 | 0.919 | 0.6171 |
| 0.65 | 138.0 | 0.7679 | 0.6308 |
| 0.65 | 210.0 | 0.0979 | 0.8005 |
| 0.65 | 222.0 | 0.0458 | 0.7519 |
| 0.65 | 234.0 | -1.1326 | 0.7439 |
| 0.65 | 258.0 | 0.0482 | 0.7504 |
| 0.65 | 270.0 | -0.4446 | 0.7038 |
| 0.65 | 294.0 | -1.1136 | 0.6242 |
| 0.75 | 102.0 | 0.4128 | 0.7662 |
| 0.75 | 114.0 | -0.6196 | 0.6526 |
| 0.75 | 126.0 | -1.6166 | 0.591 |
| 0.75 | 138.0 | -0.9357 | 0.7496 |
| 0.75 | 210.0 | -0.7565 | 0.7644 |
| 0.75 | 222.0 | -0.1809 | 0.6819 |
| 0.75 | 234.0 | 0.6381 | 0.7254 |
| 0.75 | 246.0 | -0.1934 | 0.7457 |
| 0.75 | 258.0 | -0.6681 | 0.8646 |
| 0.75 | 282.0 | 1.4625 | 0.4994 |
| 0.75 | 294.0 | -0.6214 | 0.6074 |
| 0.85 | 90.0 | -0.0028 | 0.7607 |
| 0.85 | 102.0 | 0.0121 | 0.7553 |
| 0.85 | 114.0 | 2.1825 | 0.7113 |
| 0.85 | 126.0 | 1.065 | 0.9974 |
| 0.85 | 198.0 | 0.5366 | 1.0204 |
| 0.85 | 210.0 | -0.7252 | 0.7882 |
| 0.85 | 222.0 | -0.5212 | 0.687 |
| 0.85 | 234.0 | 0.1636 | 0.7683 |
| 0.85 | 246.0 | -0.4702 | 0.7948 |
| 0.95 | 114.0 | -1.9214 | 1.1727 |
| 0.95 | 210.0 | -0.671 | 1.552 |
| 0.95 | 234.0 | 0.0903 | 1.6962 |
| 0.95 | 246.0 | -0.0426 | 1.4276 |
Experiment comment: