Measurement E151M3445
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3055 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.966 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | 0.1716 | 0.2542 |
| 0.15 | 306.0 | -0.5232 | 0.1915 |
| 0.25 | 66.0 | 0.2628 | 0.2372 |
| 0.25 | 294.0 | 0.4176 | 0.2538 |
| 0.35 | 66.0 | 0.0494 | 0.3064 |
| 0.35 | 78.0 | 0.3294 | 0.3125 |
| 0.35 | 294.0 | 0.0759 | 0.2601 |
| 0.35 | 306.0 | 0.1481 | 0.2743 |
| 0.45 | 66.0 | 0.0098 | 0.2526 |
| 0.45 | 78.0 | 0.2953 | 0.2415 |
| 0.45 | 282.0 | -0.086 | 0.2637 |
| 0.45 | 294.0 | -0.4482 | 0.2036 |
| 0.55 | 54.0 | -0.4168 | 0.2534 |
| 0.55 | 66.0 | -0.4961 | 0.2112 |
| 0.55 | 102.0 | -0.604 | 0.2195 |
| 0.55 | 282.0 | 0.0424 | 0.2658 |
| 0.55 | 294.0 | 0.5836 | 0.2082 |
| 0.65 | 90.0 | -0.0081 | 0.1787 |
| 0.65 | 102.0 | 0.3255 | 0.1684 |
| 0.65 | 114.0 | 0.1157 | 0.1865 |
| 0.65 | 246.0 | 0.1336 | 0.2403 |
| 0.65 | 258.0 | -0.3217 | 0.2022 |
| 0.65 | 270.0 | 0.3101 | 0.2237 |
| 0.65 | 282.0 | -0.0447 | 0.2774 |
| 0.75 | 90.0 | -0.2458 | 0.1641 |
| 0.75 | 102.0 | -0.047 | 0.1542 |
| 0.75 | 114.0 | 0.1634 | 0.1713 |
| 0.75 | 126.0 | -0.0422 | 0.2065 |
| 0.75 | 138.0 | -0.3134 | 0.2579 |
| 0.75 | 222.0 | -0.2003 | 0.2097 |
| 0.75 | 234.0 | -0.1387 | 0.18 |
| 0.75 | 246.0 | -0.181 | 0.1791 |
| 0.75 | 258.0 | 0.0258 | 0.1555 |
| 0.75 | 270.0 | -0.0014 | 0.2113 |
| 0.75 | 282.0 | 0.3308 | 0.2421 |
| 0.85 | 66.0 | -0.0398 | 0.2862 |
| 0.85 | 78.0 | 0.7124 | 0.191 |
| 0.85 | 90.0 | -0.0976 | 0.2138 |
| 0.85 | 102.0 | -0.0882 | 0.1645 |
| 0.85 | 114.0 | 0.3275 | 0.1643 |
| 0.85 | 126.0 | 0.2569 | 0.1464 |
| 0.85 | 138.0 | -0.1001 | 0.2116 |
| 0.85 | 150.0 | 0.0012 | 0.2167 |
| 0.85 | 210.0 | -0.1107 | 0.2344 |
| 0.85 | 222.0 | -0.4127 | 0.1843 |
| 0.85 | 234.0 | 0.4012 | 0.1559 |
| 0.85 | 246.0 | -0.187 | 0.1784 |
| 0.85 | 258.0 | -0.0145 | 0.1493 |
| 0.85 | 270.0 | 0.0605 | 0.1551 |
| 0.85 | 282.0 | 0.1302 | 0.1515 |
| 0.95 | 78.0 | -0.5282 | 0.2274 |
| 0.95 | 102.0 | 0.0893 | 0.2607 |
| 0.95 | 114.0 | -0.382 | 0.2157 |
| 0.95 | 126.0 | 0.0777 | 0.2588 |
| 0.95 | 138.0 | 0.0081 | 0.237 |
| 0.95 | 210.0 | -0.2316 | 0.2809 |
| 0.95 | 222.0 | 0.1029 | 0.2225 |
| 0.95 | 234.0 | 0.0208 | 0.2424 |
| 0.95 | 246.0 | -0.4506 | 0.1777 |
| 0.95 | 258.0 | -0.0241 | 0.1569 |
| 0.95 | 270.0 | 0.0512 | 0.1644 |
| 0.95 | 282.0 | -0.017 | 0.16 |
| 0.95 | 294.0 | 0.1355 | 0.2273 |
Experiment comment: