Measurement E151M2216
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.5712 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9555 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.148 | 0.7496 |
| 0.05 | 66.0 | 0.6533 | 0.8227 |
| 0.05 | 294.0 | 0.7432 | 0.7776 |
| 0.05 | 306.0 | 0.9835 | 0.6623 |
| 0.15 | 54.0 | 0.2041 | 0.6438 |
| 0.15 | 66.0 | 0.3595 | 0.6559 |
| 0.15 | 294.0 | 0.2813 | 0.7342 |
| 0.15 | 306.0 | 0.5828 | 0.5976 |
| 0.25 | 54.0 | -1.4202 | 0.6408 |
| 0.25 | 66.0 | 0.2884 | 0.7808 |
| 0.25 | 78.0 | -0.1358 | 0.8114 |
| 0.25 | 294.0 | 0.1546 | 0.5901 |
| 0.25 | 306.0 | -0.1062 | 0.6969 |
| 0.35 | 54.0 | 0.2709 | 0.8279 |
| 0.35 | 66.0 | -0.0149 | 0.6646 |
| 0.35 | 78.0 | 2.5405 | 2.5405 |
| 0.35 | 282.0 | 1.7981 | 0.6484 |
| 0.35 | 294.0 | -0.99 | 0.6014 |
| 0.45 | 54.0 | -1.0738 | 0.7532 |
| 0.45 | 66.0 | 0.2976 | 0.7366 |
| 0.45 | 78.0 | -1.6581 | 0.8343 |
| 0.45 | 282.0 | 0.1684 | 0.7203 |
| 0.45 | 294.0 | 1.0269 | 0.7263 |
| 0.55 | 66.0 | -0.9717 | 0.7791 |
| 0.55 | 78.0 | -0.5874 | 0.7484 |
| 0.55 | 90.0 | -0.5671 | 0.656 |
| 0.55 | 102.0 | 1.1141 | 0.7466 |
| 0.55 | 270.0 | 0.2032 | 0.7272 |
| 0.55 | 282.0 | -1.0379 | 0.6681 |
| 0.55 | 294.0 | -0.3498 | 0.7098 |
| 0.65 | 66.0 | -1.3206 | 0.6321 |
| 0.65 | 78.0 | 0.81 | 0.4718 |
| 0.65 | 90.0 | -0.1297 | 0.4531 |
| 0.65 | 102.0 | 0.4028 | 0.549 |
| 0.65 | 114.0 | 0.8058 | 0.7297 |
| 0.65 | 258.0 | -0.4115 | 0.4679 |
| 0.65 | 270.0 | -0.4083 | 0.4366 |
| 0.65 | 282.0 | 0.5026 | 0.4755 |
| 0.65 | 294.0 | 0.3619 | 0.7616 |
| 0.75 | 54.0 | -0.2108 | 0.6963 |
| 0.75 | 66.0 | 0.7389 | 0.601 |
| 0.75 | 78.0 | 0.7373 | 0.4418 |
| 0.75 | 90.0 | -0.1388 | 0.4406 |
| 0.75 | 102.0 | 0.1985 | 0.4531 |
| 0.75 | 114.0 | 1.0582 | 0.4598 |
| 0.75 | 126.0 | 0.3799 | 0.7247 |
| 0.75 | 234.0 | -0.9623 | 0.6419 |
| 0.75 | 246.0 | 1.3094 | 0.478 |
| 0.75 | 258.0 | -0.1605 | 0.4141 |
| 0.75 | 270.0 | -0.3697 | 0.3976 |
| 0.75 | 282.0 | 0.2172 | 0.3724 |
| 0.75 | 294.0 | -0.248 | 0.4937 |
| 0.75 | 306.0 | 0.8878 | 0.6132 |
| 0.85 | 54.0 | -0.2812 | 0.5121 |
| 0.85 | 66.0 | 0.7867 | 0.6749 |
| 0.85 | 78.0 | 0.3346 | 0.4029 |
| 0.85 | 90.0 | 0.2192 | 0.3664 |
| 0.85 | 102.0 | -0.3264 | 0.4466 |
| 0.85 | 114.0 | 0.2455 | 0.4358 |
| 0.85 | 126.0 | 0.994 | 0.5397 |
| 0.85 | 138.0 | -0.1168 | 0.5921 |
| 0.85 | 198.0 | -0.2567 | 0.7391 |
| 0.85 | 210.0 | 0.3157 | 0.7372 |
| 0.85 | 222.0 | 0.7325 | 0.4345 |
| 0.85 | 234.0 | -0.2066 | 0.4983 |
| 0.85 | 246.0 | 0.1181 | 0.4216 |
| 0.85 | 258.0 | 0.0407 | 0.3985 |
| 0.85 | 270.0 | 0.7472 | 0.3686 |
| 0.85 | 282.0 | 0.2648 | 0.4265 |
| 0.85 | 294.0 | 0.402 | 0.3583 |
| 0.85 | 306.0 | 0.5911 | 0.3825 |
| 0.85 | 318.0 | -0.142 | 0.7255 |
| 0.95 | 42.0 | -1.8795 | 0.6021 |
| 0.95 | 54.0 | 0.0566 | 0.7168 |
| 0.95 | 78.0 | -0.1828 | 0.471 |
| 0.95 | 90.0 | 0.4694 | 0.5135 |
| 0.95 | 102.0 | -1.228 | 0.4573 |
| 0.95 | 114.0 | 0.7705 | 0.5235 |
| 0.95 | 126.0 | 1.1469 | 0.5748 |
| 0.95 | 138.0 | -0.2214 | 0.661 |
| 0.95 | 150.0 | 1.6174 | 0.6392 |
| 0.95 | 162.0 | 0.7908 | 0.7607 |
| 0.95 | 174.0 | 0.2319 | 0.8381 |
| 0.95 | 186.0 | 1.6812 | 0.8169 |
| 0.95 | 198.0 | 0.3455 | 0.6203 |
| 0.95 | 210.0 | 0.2705 | 0.5884 |
| 0.95 | 222.0 | 1.3559 | 0.496 |
| 0.95 | 234.0 | 0.3344 | 0.5039 |
| 0.95 | 246.0 | 0.2206 | 0.4889 |
| 0.95 | 258.0 | 0.0782 | 0.4057 |
| 0.95 | 270.0 | 0.2671 | 0.4388 |
| 0.95 | 282.0 | 1.1202 | 0.4223 |
| 0.95 | 294.0 | 0.0814 | 0.3925 |
| 0.95 | 306.0 | 0.408 | 0.4264 |
| 0.95 | 318.0 | 0.2009 | 0.4533 |
| 0.95 | 330.0 | 0.4021 | 0.5197 |
Experiment comment: