Measurement E151M3566
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0751 | |
| Q2: | 0.101 GeV2 | |
| W: | 1685.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8969 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | 0.1688 | 0.2668 |
| 0.25 | 18.0 | -0.0567 | 0.2659 |
| 0.25 | 66.0 | -0.4475 | 0.1971 |
| 0.25 | 78.0 | -0.4681 | 0.2225 |
| 0.25 | 270.0 | -0.0677 | 0.2428 |
| 0.25 | 282.0 | 0.4265 | 0.229 |
| 0.35 | 66.0 | -0.245 | 0.2072 |
| 0.35 | 78.0 | -0.1171 | 0.2262 |
| 0.35 | 258.0 | -0.3049 | 0.1887 |
| 0.35 | 270.0 | 0.0625 | 0.1953 |
| 0.35 | 282.0 | 0.047 | 0.1674 |
| 0.35 | 294.0 | 0.1791 | 0.2595 |
| 0.45 | 66.0 | -0.2009 | 0.2045 |
| 0.45 | 78.0 | 0.3529 | 0.1815 |
| 0.45 | 90.0 | -0.0446 | 0.26 |
| 0.45 | 102.0 | -0.0639 | 0.2699 |
| 0.45 | 114.0 | 0.0183 | 0.2041 |
| 0.45 | 126.0 | -0.099 | 0.1902 |
| 0.45 | 138.0 | -0.3434 | 0.2291 |
| 0.45 | 210.0 | 0.0386 | 0.2267 |
| 0.45 | 222.0 | -0.0262 | 0.2646 |
| 0.45 | 246.0 | -0.1388 | 0.2202 |
| 0.45 | 258.0 | 0.1229 | 0.193 |
| 0.45 | 270.0 | -0.1005 | 0.1661 |
| 0.45 | 282.0 | 0.3929 | 0.161 |
| 0.45 | 294.0 | -0.1039 | 0.2658 |
| 0.55 | 54.0 | 0.0118 | 0.2442 |
| 0.55 | 66.0 | 0.3304 | 0.2076 |
| 0.55 | 78.0 | 0.4537 | 0.2095 |
| 0.55 | 90.0 | 0.3036 | 0.2153 |
| 0.55 | 102.0 | -0.2587 | 0.1825 |
| 0.55 | 114.0 | -0.0251 | 0.153 |
| 0.55 | 126.0 | -0.1991 | 0.1665 |
| 0.55 | 138.0 | 0.3304 | 0.1969 |
| 0.55 | 174.0 | -0.0785 | 0.2717 |
| 0.55 | 186.0 | -0.0281 | 0.1932 |
| 0.55 | 198.0 | 0.2737 | 0.2071 |
| 0.55 | 210.0 | -0.1791 | 0.2074 |
| 0.55 | 222.0 | -0.2319 | 0.2222 |
| 0.55 | 234.0 | -0.2443 | 0.2083 |
| 0.55 | 246.0 | 0.0418 | 0.2441 |
| 0.55 | 258.0 | 0.1151 | 0.1763 |
| 0.55 | 270.0 | -0.162 | 0.1517 |
| 0.55 | 282.0 | -0.0492 | 0.19 |
| 0.55 | 294.0 | 0.0461 | 0.2737 |
| 0.65 | 42.0 | 0.1532 | 0.2188 |
| 0.65 | 54.0 | 0.0662 | 0.1896 |
| 0.65 | 66.0 | 0.3709 | 0.2003 |
| 0.65 | 78.0 | 0.2397 | 0.2739 |
| 0.65 | 102.0 | 0.2837 | 0.1582 |
| 0.65 | 114.0 | -0.0079 | 0.1391 |
| 0.65 | 126.0 | 0.2953 | 0.1304 |
| 0.65 | 138.0 | 0.0679 | 0.1848 |
| 0.65 | 150.0 | -0.1387 | 0.2053 |
| 0.65 | 162.0 | 0.0026 | 0.2572 |
| 0.65 | 174.0 | -0.0925 | 0.2075 |
| 0.65 | 186.0 | -0.327 | 0.1843 |
| 0.65 | 198.0 | -0.1463 | 0.1743 |
| 0.65 | 210.0 | -0.2477 | 0.1761 |
| 0.65 | 222.0 | -0.3782 | 0.1487 |
| 0.65 | 234.0 | -0.1335 | 0.1801 |
| 0.65 | 246.0 | -0.4384 | 0.1907 |
| 0.65 | 258.0 | -0.123 | 0.2143 |
| 0.65 | 270.0 | 0.4725 | 0.177 |
| 0.65 | 282.0 | 0.168 | 0.1794 |
| 0.65 | 294.0 | -0.1687 | 0.1539 |
| 0.75 | 54.0 | 0.1165 | 0.2643 |
| 0.75 | 66.0 | -0.1918 | 0.2417 |
| 0.75 | 78.0 | -0.0095 | 0.2191 |
| 0.75 | 90.0 | -0.0747 | 0.1652 |
| 0.75 | 102.0 | 0.1062 | 0.1556 |
| 0.75 | 114.0 | 0.0128 | 0.1666 |
| 0.75 | 126.0 | 0.0761 | 0.1599 |
| 0.75 | 138.0 | 0.0127 | 0.1723 |
| 0.75 | 150.0 | 0.0243 | 0.2435 |
| 0.75 | 162.0 | -0.5007 | 0.2118 |
| 0.75 | 174.0 | 0.4688 | 0.198 |
| 0.75 | 186.0 | -0.0234 | 0.1907 |
| 0.75 | 198.0 | -0.053 | 0.1648 |
| 0.75 | 210.0 | 0.1671 | 0.1495 |
| 0.75 | 222.0 | -0.0547 | 0.1396 |
| 0.75 | 234.0 | -0.2174 | 0.1602 |
| 0.75 | 246.0 | 0.2369 | 0.1759 |
| 0.75 | 258.0 | -0.1511 | 0.1945 |
| 0.75 | 270.0 | 0.1307 | 0.1442 |
| 0.75 | 282.0 | 0.2616 | 0.1443 |
| 0.75 | 294.0 | 0.0162 | 0.1635 |
| 0.85 | 78.0 | -0.2522 | 0.2382 |
| 0.85 | 90.0 | -0.0376 | 0.1333 |
| 0.85 | 102.0 | 0.0258 | 0.1278 |
| 0.85 | 114.0 | 0.1131 | 0.1342 |
| 0.85 | 126.0 | 0.3425 | 0.2236 |
| 0.85 | 138.0 | 0.1772 | 0.2533 |
| 0.85 | 150.0 | -0.3857 | 0.2281 |
| 0.85 | 162.0 | 0.3133 | 0.1937 |
| 0.85 | 174.0 | 0.3805 | 0.1899 |
| 0.85 | 186.0 | 0.1567 | 0.1529 |
| 0.85 | 198.0 | -0.1627 | 0.1403 |
| 0.85 | 210.0 | -0.059 | 0.138 |
| 0.85 | 222.0 | 0.0676 | 0.1387 |
| 0.85 | 234.0 | -0.0875 | 0.1526 |
| 0.85 | 246.0 | -0.065 | 0.1783 |
| 0.85 | 258.0 | -0.1717 | 0.2285 |
| 0.85 | 270.0 | -0.0012 | 0.2131 |
| 0.85 | 282.0 | 0.2466 | 0.1808 |
| 0.85 | 294.0 | -0.279 | 0.2655 |
| 0.95 | 102.0 | 0.0393 | 0.2355 |
| 0.95 | 114.0 | 0.0706 | 0.2284 |
| 0.95 | 126.0 | -0.4277 | 0.2333 |
| 0.95 | 186.0 | -0.2954 | 0.223 |
| 0.95 | 198.0 | -0.3117 | 0.1883 |
| 0.95 | 210.0 | -0.0303 | 0.1617 |
| 0.95 | 222.0 | -0.1203 | 0.1449 |
| 0.95 | 234.0 | -0.203 | 0.1914 |
| 0.95 | 246.0 | 0.1049 | 0.2374 |
| 0.95 | 258.0 | -0.4484 | 0.2337 |
Experiment comment: