Measurement E151M2228
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.5489 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9449 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| -0.05 | 54.0 | -0.4229 | 0.8674 |
| 0.05 | 54.0 | -0.5829 | 0.8782 |
| 0.05 | 66.0 | 1.9513 | 0.8952 |
| 0.05 | 306.0 | -0.9607 | 0.8124 |
| 0.15 | 54.0 | 0.8288 | 0.8279 |
| 0.15 | 66.0 | -0.6603 | 0.8279 |
| 0.15 | 294.0 | 0.3227 | 0.6661 |
| 0.15 | 306.0 | 0.73 | 0.7624 |
| 0.25 | 66.0 | 0.6205 | 0.6679 |
| 0.25 | 282.0 | 0.7624 | 0.7706 |
| 0.25 | 294.0 | -0.213 | 0.7721 |
| 0.25 | 306.0 | -0.2721 | 0.8737 |
| 0.35 | 54.0 | 0.9787 | 0.8272 |
| 0.35 | 66.0 | 0.2327 | 0.6971 |
| 0.35 | 282.0 | 0.2182 | 0.8474 |
| 0.35 | 294.0 | -0.4839 | 0.7408 |
| 0.45 | 90.0 | -1.2945 | 0.8308 |
| 0.45 | 102.0 | 1.0547 | 0.9357 |
| 0.45 | 282.0 | -0.1107 | 0.9 |
| 0.45 | 294.0 | 1.5956 | 0.6513 |
| 0.55 | 78.0 | -0.6346 | 0.6522 |
| 0.55 | 90.0 | 0.2655 | 0.6375 |
| 0.55 | 102.0 | 0.0866 | 0.652 |
| 0.55 | 270.0 | -0.1865 | 0.8475 |
| 0.55 | 282.0 | 0.5431 | 0.7955 |
| 0.65 | 54.0 | 2.0259 | 0.7362 |
| 0.65 | 66.0 | 1.0355 | 0.8104 |
| 0.65 | 78.0 | 0.2422 | 0.5614 |
| 0.65 | 90.0 | 1.4227 | 0.4186 |
| 0.65 | 102.0 | 0.98 | 0.6519 |
| 0.65 | 114.0 | -0.3241 | 0.6634 |
| 0.65 | 246.0 | -0.7831 | 0.7704 |
| 0.65 | 258.0 | -0.2553 | 0.6809 |
| 0.65 | 270.0 | -0.1948 | 0.6076 |
| 0.65 | 282.0 | 0.847 | 0.6905 |
| 0.75 | 54.0 | 0.6361 | 0.6411 |
| 0.75 | 66.0 | -0.5164 | 0.775 |
| 0.75 | 78.0 | -0.4956 | 0.4324 |
| 0.75 | 90.0 | -0.0463 | 0.4552 |
| 0.75 | 102.0 | 0.0961 | 0.5353 |
| 0.75 | 114.0 | -0.8227 | 0.516 |
| 0.75 | 126.0 | 0.2498 | 0.7412 |
| 0.75 | 234.0 | 0.1834 | 0.6425 |
| 0.75 | 246.0 | -0.1556 | 0.5677 |
| 0.75 | 258.0 | 0.2869 | 0.4428 |
| 0.75 | 270.0 | -0.4192 | 0.4889 |
| 0.75 | 282.0 | 0.6822 | 0.4849 |
| 0.75 | 294.0 | -0.1619 | 0.6022 |
| 0.75 | 306.0 | 0.8794 | 0.6803 |
| 0.85 | 54.0 | 0.7997 | 0.5326 |
| 0.85 | 78.0 | 0.1489 | 0.4906 |
| 0.85 | 90.0 | -0.4978 | 0.4542 |
| 0.85 | 102.0 | 0.7941 | 0.4747 |
| 0.85 | 114.0 | 0.7515 | 0.4974 |
| 0.85 | 126.0 | 0.2274 | 0.6478 |
| 0.85 | 138.0 | 0.1979 | 0.6975 |
| 0.85 | 210.0 | 0.8891 | 0.6905 |
| 0.85 | 222.0 | -1.0725 | 0.5581 |
| 0.85 | 234.0 | -0.6073 | 0.4778 |
| 0.85 | 246.0 | 1.0403 | 0.4518 |
| 0.85 | 258.0 | 1.3963 | 0.4531 |
| 0.85 | 270.0 | 0.3734 | 0.4382 |
| 0.85 | 282.0 | 0.7189 | 0.4839 |
| 0.85 | 294.0 | 0.132 | 0.4363 |
| 0.85 | 306.0 | 1.125 | 0.4005 |
| 0.85 | 318.0 | 0.0461 | 0.6352 |
| 0.95 | 78.0 | 1.3881 | 0.5482 |
| 0.95 | 90.0 | 0.0816 | 0.6166 |
| 0.95 | 102.0 | 0.4755 | 0.5676 |
| 0.95 | 114.0 | 1.0398 | 0.6111 |
| 0.95 | 126.0 | 0.043 | 0.6971 |
| 0.95 | 138.0 | -0.2051 | 0.9643 |
| 0.95 | 162.0 | -0.1746 | 0.8987 |
| 0.95 | 174.0 | 1.59 | 0.8452 |
| 0.95 | 186.0 | 0.2495 | 0.8281 |
| 0.95 | 198.0 | -0.6554 | 0.7181 |
| 0.95 | 210.0 | 0.4572 | 0.6187 |
| 0.95 | 222.0 | 0.2266 | 0.6155 |
| 0.95 | 234.0 | 0.8531 | 0.4939 |
| 0.95 | 246.0 | 0.4682 | 0.5727 |
| 0.95 | 258.0 | 0.2247 | 0.4555 |
| 0.95 | 270.0 | 0.8479 | 0.5138 |
| 0.95 | 282.0 | 0.477 | 0.5533 |
| 0.95 | 294.0 | 0.3231 | 0.5006 |
| 0.95 | 306.0 | -0.2556 | 0.457 |
| 0.95 | 318.0 | -0.1541 | 0.5014 |
| 0.95 | 330.0 | 0.3453 | 0.734 |
Experiment comment: