Measurement E151M3457
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3026 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9587 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.05 | 30.0 | 0.0141 | 0.2544 |
| 0.05 | 42.0 | -0.1877 | 0.278 |
| 0.05 | 54.0 | -0.0782 | 0.2017 |
| 0.05 | 306.0 | 0.0643 | 0.2104 |
| 0.15 | 54.0 | 0.0952 | 0.1646 |
| 0.15 | 66.0 | 0.0576 | 0.1789 |
| 0.15 | 78.0 | 0.3623 | 0.2421 |
| 0.15 | 294.0 | 0.1304 | 0.1811 |
| 0.15 | 306.0 | 0.1503 | 0.2016 |
| 0.25 | 54.0 | 0.0946 | 0.1657 |
| 0.25 | 66.0 | -0.082 | 0.1436 |
| 0.25 | 78.0 | -0.3421 | 0.1544 |
| 0.25 | 282.0 | 0.189 | 0.1758 |
| 0.25 | 294.0 | 0.3674 | 0.141 |
| 0.25 | 306.0 | -0.1093 | 0.1699 |
| 0.35 | 54.0 | 0.1455 | 0.1767 |
| 0.35 | 66.0 | -0.0202 | 0.1399 |
| 0.35 | 78.0 | -0.2231 | 0.1447 |
| 0.35 | 90.0 | -0.3026 | 0.209 |
| 0.35 | 270.0 | 0.0463 | 0.2481 |
| 0.35 | 282.0 | 0.2305 | 0.1375 |
| 0.35 | 294.0 | 0.1427 | 0.1377 |
| 0.35 | 306.0 | 0.0479 | 0.1842 |
| 0.45 | 54.0 | 0.061 | 0.2048 |
| 0.45 | 66.0 | 0.2312 | 0.132 |
| 0.45 | 78.0 | -0.0091 | 0.1659 |
| 0.45 | 90.0 | 0.1944 | 0.2023 |
| 0.45 | 102.0 | 0.2633 | 0.2308 |
| 0.45 | 270.0 | -0.1869 | 0.169 |
| 0.45 | 282.0 | -0.0681 | 0.1367 |
| 0.45 | 294.0 | -0.3618 | 0.1253 |
| 0.45 | 306.0 | 0.148 | 0.2756 |
| 0.45 | 318.0 | -0.0593 | 0.282 |
| 0.55 | 54.0 | -0.2737 | 0.1721 |
| 0.55 | 66.0 | 0.0612 | 0.1741 |
| 0.55 | 78.0 | -0.0246 | 0.1628 |
| 0.55 | 90.0 | 0.1951 | 0.168 |
| 0.55 | 102.0 | 0.1104 | 0.1424 |
| 0.55 | 114.0 | 0.1755 | 0.2031 |
| 0.55 | 258.0 | 0.1487 | 0.1901 |
| 0.55 | 270.0 | -0.1091 | 0.1682 |
| 0.55 | 282.0 | -0.165 | 0.1552 |
| 0.55 | 294.0 | 0.0416 | 0.1704 |
| 0.55 | 306.0 | -0.1055 | 0.1823 |
| 0.65 | 66.0 | 0.0691 | 0.2546 |
| 0.65 | 78.0 | 0.0054 | 0.1522 |
| 0.65 | 90.0 | 0.0611 | 0.128 |
| 0.65 | 102.0 | -0.0821 | 0.1203 |
| 0.65 | 114.0 | 0.284 | 0.1158 |
| 0.65 | 126.0 | -0.1539 | 0.1524 |
| 0.65 | 222.0 | -0.3125 | 0.25 |
| 0.65 | 234.0 | 0.1 | 0.1943 |
| 0.65 | 246.0 | 0.3548 | 0.1224 |
| 0.65 | 258.0 | 0.1428 | 0.1443 |
| 0.65 | 270.0 | 0.0799 | 0.1391 |
| 0.65 | 282.0 | 0.0437 | 0.1727 |
| 0.65 | 294.0 | -0.2271 | 0.2247 |
| 0.65 | 306.0 | 0.1816 | 0.1937 |
| 0.75 | 66.0 | -0.2835 | 0.1879 |
| 0.75 | 78.0 | 0.2305 | 0.1707 |
| 0.75 | 90.0 | -0.1344 | 0.1036 |
| 0.75 | 102.0 | 0.1956 | 0.0945 |
| 0.75 | 114.0 | -0.068 | 0.1054 |
| 0.75 | 126.0 | 0.0054 | 0.1291 |
| 0.75 | 138.0 | 0.4535 | 0.1412 |
| 0.75 | 150.0 | 0.5228 | 0.2362 |
| 0.75 | 210.0 | -0.0047 | 0.1948 |
| 0.75 | 222.0 | 0.1274 | 0.1484 |
| 0.75 | 234.0 | 0.0863 | 0.1329 |
| 0.75 | 246.0 | -0.2558 | 0.1191 |
| 0.75 | 258.0 | 0.0553 | 0.1088 |
| 0.75 | 270.0 | 0.1521 | 0.1333 |
| 0.75 | 282.0 | 0.0527 | 0.1639 |
| 0.75 | 294.0 | 0.2284 | 0.2043 |
| 0.85 | 66.0 | -0.0766 | 0.1392 |
| 0.85 | 78.0 | 0.0698 | 0.1489 |
| 0.85 | 90.0 | 0.0856 | 0.1391 |
| 0.85 | 102.0 | -0.0134 | 0.1024 |
| 0.85 | 114.0 | 0.1249 | 0.1094 |
| 0.85 | 126.0 | -0.1407 | 0.1108 |
| 0.85 | 138.0 | 0.1873 | 0.1443 |
| 0.85 | 150.0 | -0.0835 | 0.1754 |
| 0.85 | 162.0 | -0.0845 | 0.1919 |
| 0.85 | 174.0 | 0.3319 | 0.2181 |
| 0.85 | 186.0 | 0.0324 | 0.2256 |
| 0.85 | 198.0 | 0.0983 | 0.1821 |
| 0.85 | 210.0 | -0.1774 | 0.1701 |
| 0.85 | 222.0 | 0.1057 | 0.1243 |
| 0.85 | 234.0 | -0.0705 | 0.1111 |
| 0.85 | 246.0 | -0.0727 | 0.1068 |
| 0.85 | 258.0 | 0.0183 | 0.1017 |
| 0.85 | 270.0 | -0.0926 | 0.1041 |
| 0.85 | 282.0 | -0.0712 | 0.1202 |
| 0.85 | 294.0 | 0.0414 | 0.152 |
| 0.95 | 66.0 | 0.0669 | 0.1807 |
| 0.95 | 78.0 | 0.1004 | 0.1752 |
| 0.95 | 90.0 | 0.2844 | 0.2408 |
| 0.95 | 102.0 | 0.0988 | 0.2249 |
| 0.95 | 114.0 | 0.212 | 0.1552 |
| 0.95 | 126.0 | 0.2171 | 0.1661 |
| 0.95 | 138.0 | -0.0592 | 0.1889 |
| 0.95 | 150.0 | -0.01 | 0.2032 |
| 0.95 | 162.0 | 0.0082 | 0.2271 |
| 0.95 | 174.0 | 0.3839 | 0.2118 |
| 0.95 | 186.0 | -0.0282 | 0.2216 |
| 0.95 | 198.0 | -0.2486 | 0.1979 |
| 0.95 | 210.0 | 0.1711 | 0.1765 |
| 0.95 | 222.0 | -0.0621 | 0.1696 |
| 0.95 | 234.0 | -0.0823 | 0.1372 |
| 0.95 | 246.0 | -0.2041 | 0.1263 |
| 0.95 | 258.0 | 0.0097 | 0.1152 |
| 0.95 | 270.0 | -0.0584 | 0.1095 |
| 0.95 | 282.0 | 0.113 | 0.1104 |
| 0.95 | 294.0 | -0.0124 | 0.1224 |
Experiment comment: