Measurement E151M2740
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1091 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8729 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | -0.428 | 0.2628 |
| 0.25 | 54.0 | -0.0427 | 0.2668 |
| 0.35 | 30.0 | -0.2666 | 0.2528 |
| 0.35 | 42.0 | 0.3877 | 0.213 |
| 0.35 | 54.0 | 0.4138 | 0.2602 |
| 0.45 | 18.0 | 0.0957 | 0.2553 |
| 0.45 | 30.0 | 0.3937 | 0.2208 |
| 0.45 | 42.0 | -0.2629 | 0.244 |
| 0.55 | 30.0 | 0.4875 | 0.2305 |
| 0.55 | 42.0 | -0.2137 | 0.2383 |
| 0.55 | 234.0 | -0.1873 | 0.2416 |
| 0.55 | 246.0 | -0.194 | 0.1748 |
| 0.55 | 258.0 | -0.1943 | 0.1796 |
| 0.65 | 114.0 | -0.2861 | 0.2452 |
| 0.65 | 126.0 | 0.033 | 0.2003 |
| 0.65 | 138.0 | 0.2228 | 0.2074 |
| 0.65 | 150.0 | 0.0304 | 0.2507 |
| 0.65 | 210.0 | -0.102 | 0.225 |
| 0.65 | 222.0 | -0.2508 | 0.1956 |
| 0.65 | 234.0 | 0.1585 | 0.1655 |
| 0.65 | 246.0 | -0.2451 | 0.1438 |
| 0.65 | 258.0 | 0.1292 | 0.1768 |
| 0.65 | 270.0 | -0.2043 | 0.2576 |
| 0.75 | 114.0 | -0.0044 | 0.2388 |
| 0.75 | 126.0 | 0.2458 | 0.2027 |
| 0.75 | 138.0 | 0.1846 | 0.1544 |
| 0.75 | 150.0 | 0.1166 | 0.1822 |
| 0.75 | 162.0 | 0.3143 | 0.1976 |
| 0.75 | 174.0 | -0.1434 | 0.2563 |
| 0.75 | 210.0 | -0.219 | 0.255 |
| 0.75 | 222.0 | 0.1638 | 0.2 |
| 0.75 | 234.0 | 0.1616 | 0.1542 |
| 0.75 | 246.0 | 0.0375 | 0.1446 |
| 0.75 | 258.0 | 0.0937 | 0.1759 |
| 0.75 | 270.0 | 0.0144 | 0.2194 |
| 0.85 | 114.0 | -0.3171 | 0.2396 |
| 0.85 | 126.0 | -0.1734 | 0.259 |
| 0.85 | 138.0 | -0.0615 | 0.1958 |
| 0.85 | 150.0 | 0.1475 | 0.268 |
| 0.85 | 162.0 | -0.5717 | 0.2008 |
| 0.85 | 174.0 | 0.3071 | 0.2527 |
| 0.85 | 222.0 | -0.0208 | 0.1869 |
| 0.85 | 234.0 | -0.0934 | 0.1914 |
| 0.85 | 246.0 | -0.0013 | 0.157 |
| 0.85 | 258.0 | -0.0247 | 0.1555 |
| 0.85 | 270.0 | 0.2915 | 0.1755 |
| 0.95 | 114.0 | -0.121 | 0.239 |
| 0.95 | 126.0 | 0.0845 | 0.2242 |
| 0.95 | 138.0 | -0.1102 | 0.2586 |
| 0.95 | 222.0 | -0.0638 | 0.209 |
| 0.95 | 234.0 | 0.0208 | 0.2229 |
| 0.95 | 246.0 | 0.2883 | 0.2509 |
| 0.95 | 258.0 | 0.0016 | 0.2085 |
| 0.15 | 42.0 | 0.2007 | 0.3659 |
| 0.25 | 42.0 | 0.3759 | 0.304 |
| 0.35 | 30.0 | -0.4823 | 0.3176 |
| 0.35 | 42.0 | -0.4423 | 0.3174 |
| 0.45 | 18.0 | -0.427 | 0.3013 |
| 0.45 | 30.0 | -0.1055 | 0.3077 |
| 0.45 | 42.0 | -0.5429 | 0.2496 |
| 0.55 | 42.0 | 0.4272 | 0.3139 |
| 0.55 | 138.0 | -0.1013 | 0.459 |
| 0.55 | 234.0 | 0.5398 | 0.3258 |
| 0.55 | 246.0 | -0.0882 | 0.3032 |
| 0.55 | 258.0 | -0.1259 | 0.2983 |
| 0.65 | 114.0 | 0.0218 | 0.3563 |
| 0.65 | 126.0 | 0.0093 | 0.3748 |
| 0.65 | 138.0 | -0.7776 | 0.1442 |
| 0.65 | 150.0 | 0.3385 | 0.2708 |
| 0.65 | 162.0 | 0.0329 | 0.328 |
| 0.65 | 210.0 | 0.2975 | 0.3121 |
| 0.65 | 222.0 | 0.0706 | 0.3118 |
| 0.65 | 234.0 | -0.1233 | 0.2568 |
| 0.65 | 246.0 | -0.0017 | 0.2149 |
| 0.65 | 258.0 | -0.3262 | 0.2691 |
| 0.65 | 270.0 | 0.4119 | 0.2925 |
| 0.75 | 114.0 | 0.0411 | 0.3075 |
| 0.75 | 126.0 | -0.0753 | 0.2873 |
| 0.75 | 138.0 | 0.1287 | 0.24 |
| 0.75 | 150.0 | -0.4704 | 0.2982 |
| 0.75 | 162.0 | 0.3164 | 0.2774 |
| 0.75 | 210.0 | 0.3465 | 0.3011 |
| 0.75 | 222.0 | -0.6798 | 0.1599 |
| 0.75 | 234.0 | -0.0862 | 0.2116 |
| 0.75 | 246.0 | -0.0773 | 0.2114 |
| 0.75 | 258.0 | -0.6561 | 0.2088 |
| 0.75 | 270.0 | 0.5411 | 0.2171 |
| 0.85 | 126.0 | -0.4976 | 0.2644 |
| 0.85 | 138.0 | -0.0438 | 0.3062 |
| 0.85 | 150.0 | 0.1899 | 0.3493 |
| 0.85 | 162.0 | 0.2161 | 0.3498 |
| 0.85 | 174.0 | 0.4916 | 0.2828 |
| 0.85 | 210.0 | 0.0149 | 0.3664 |
| 0.85 | 222.0 | 0.0072 | 0.3179 |
| 0.85 | 234.0 | 0.3054 | 0.2053 |
| 0.85 | 246.0 | 0.1277 | 0.2289 |
| 0.85 | 258.0 | -0.1331 | 0.2131 |
| 0.85 | 270.0 | 0.1857 | 0.2865 |
| 0.95 | 126.0 | -0.8742 | 0.1403 |
| 0.95 | 138.0 | -0.4884 | 0.3841 |
| 0.95 | 222.0 | 0.36 | 0.3657 |
| 0.95 | 234.0 | 0.508 | 0.2607 |
| 0.95 | 246.0 | -0.3048 | 0.3358 |
| 0.95 | 258.0 | -0.1802 | 0.3047 |
Experiment comment: