Measurement E151M3546
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1911 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8921 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 282.0 | 0.3476 | 0.2432 |
| 0.35 | 270.0 | -0.07 | 0.2747 |
| 0.35 | 282.0 | -0.1201 | 0.2407 |
| 0.45 | 102.0 | 0.4192 | 0.2316 |
| 0.45 | 114.0 | 0.2675 | 0.2483 |
| 0.45 | 126.0 | -0.48 | 0.2189 |
| 0.45 | 270.0 | 0.2132 | 0.2292 |
| 0.45 | 282.0 | -0.4162 | 0.2013 |
| 0.55 | 90.0 | -0.4724 | 0.2014 |
| 0.55 | 102.0 | 0.3243 | 0.196 |
| 0.55 | 114.0 | -0.4656 | 0.1806 |
| 0.55 | 126.0 | -0.0458 | 0.2404 |
| 0.55 | 222.0 | 0.314 | 0.2858 |
| 0.55 | 270.0 | -0.3308 | 0.2224 |
| 0.55 | 282.0 | 0.2957 | 0.2528 |
| 0.55 | 294.0 | -0.2608 | 0.2673 |
| 0.55 | 306.0 | 0.1148 | 0.2948 |
| 0.65 | 90.0 | 0.0884 | 0.2339 |
| 0.65 | 102.0 | -0.0155 | 0.1638 |
| 0.65 | 114.0 | 0.385 | 0.1814 |
| 0.65 | 126.0 | -0.1845 | 0.2122 |
| 0.65 | 138.0 | 0.0474 | 0.2469 |
| 0.65 | 198.0 | -0.0684 | 0.2664 |
| 0.65 | 210.0 | 0.3339 | 0.2034 |
| 0.65 | 222.0 | -0.0042 | 0.2324 |
| 0.65 | 234.0 | 0.2665 | 0.2235 |
| 0.65 | 246.0 | -0.14 | 0.2644 |
| 0.65 | 294.0 | -0.0278 | 0.189 |
| 0.65 | 306.0 | 0.1561 | 0.2218 |
| 0.75 | 66.0 | 0.3333 | 0.229 |
| 0.75 | 78.0 | 0.164 | 0.2096 |
| 0.75 | 90.0 | -0.3853 | 0.2648 |
| 0.75 | 102.0 | 0.1585 | 0.1945 |
| 0.75 | 114.0 | 0.0547 | 0.1943 |
| 0.75 | 126.0 | 0.0434 | 0.2021 |
| 0.75 | 138.0 | 0.3506 | 0.2213 |
| 0.75 | 186.0 | -0.2766 | 0.2455 |
| 0.75 | 198.0 | -0.0237 | 0.2246 |
| 0.75 | 210.0 | 0.2248 | 0.2153 |
| 0.75 | 222.0 | -0.3223 | 0.1876 |
| 0.75 | 234.0 | -0.3119 | 0.1795 |
| 0.75 | 246.0 | 0.1096 | 0.2051 |
| 0.75 | 258.0 | 0.2341 | 0.2377 |
| 0.75 | 282.0 | 0.1891 | 0.2353 |
| 0.75 | 294.0 | -0.0814 | 0.2368 |
| 0.75 | 306.0 | 0.036 | 0.2793 |
| 0.85 | 66.0 | 0.0474 | 0.1651 |
| 0.85 | 78.0 | 0.0183 | 0.1517 |
| 0.85 | 90.0 | 0.051 | 0.1826 |
| 0.85 | 114.0 | -0.3418 | 0.2084 |
| 0.85 | 126.0 | 0.253 | 0.246 |
| 0.85 | 138.0 | -0.2678 | 0.2478 |
| 0.85 | 186.0 | -0.2098 | 0.2459 |
| 0.85 | 198.0 | 0.2962 | 0.191 |
| 0.85 | 210.0 | 0.2143 | 0.1773 |
| 0.85 | 222.0 | 0.1462 | 0.1555 |
| 0.85 | 234.0 | -0.0085 | 0.1609 |
| 0.85 | 246.0 | 0.0104 | 0.1652 |
| 0.85 | 258.0 | -0.2758 | 0.179 |
| 0.85 | 270.0 | 0.1054 | 0.1936 |
| 0.95 | 78.0 | -0.1558 | 0.2391 |
| 0.95 | 90.0 | 0.0177 | 0.2487 |
| 0.95 | 162.0 | 0.1861 | 0.2792 |
| 0.95 | 174.0 | -0.2189 | 0.2722 |
| 0.95 | 186.0 | 0.0804 | 0.2266 |
| 0.95 | 198.0 | 0.2927 | 0.2177 |
| 0.95 | 210.0 | -0.1351 | 0.224 |
| 0.95 | 222.0 | 0.1671 | 0.1861 |
| 0.95 | 234.0 | -0.1084 | 0.1974 |
| 0.95 | 246.0 | 0.0234 | 0.208 |
| 0.95 | 258.0 | 0.0652 | 0.1838 |
| 0.95 | 270.0 | 0.3348 | 0.1687 |
| 0.95 | 282.0 | -0.0406 | 0.1772 |
| 0.95 | 294.0 | -0.0217 | 0.2067 |
Experiment comment: