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Measurement E151M2477

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.4208
Q2: 0.0707 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8648

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 42.0 -0.0134 0.2491
0.15 42.0 -0.0488 0.2148
0.15 54.0 0.4444 0.2188
0.25 42.0 -0.3054 0.2108
0.25 54.0 0.0674 0.2628
0.35 282.0 -0.3273 0.2063
0.45 270.0 0.0819 0.195
0.45 282.0 0.1688 0.1853
0.45 294.0 -0.2183 0.222
0.55 258.0 -0.1854 0.1843
0.55 270.0 0.2555 0.1456
0.55 282.0 0.0139 0.141
0.55 294.0 -0.0283 0.1875
0.65 246.0 0.0239 0.2286
0.65 258.0 0.0251 0.1658
0.65 270.0 -0.2438 0.1266
0.65 282.0 -0.0898 0.1368
0.65 294.0 -0.0028 0.2058
0.75 138.0 0.2546 0.2243
0.75 234.0 -0.0062 0.2269
0.75 246.0 0.0478 0.2086
0.75 258.0 -0.2222 0.1433
0.75 270.0 -0.0129 0.138
0.75 282.0 0.2893 0.1539
0.75 294.0 -0.5541 0.1782
0.85 114.0 0.1425 0.237
0.85 126.0 0.2762 0.1902
0.85 138.0 -0.1273 0.1704
0.85 150.0 0.1276 0.1603
0.85 162.0 0.0109 0.1454
0.85 174.0 0.0648 0.1669
0.85 186.0 -0.0261 0.1589
0.85 198.0 0.283 0.1799
0.85 210.0 -0.4693 0.1611
0.85 222.0 -0.0311 0.2458
0.85 246.0 -0.2872 0.2126
0.85 258.0 0.3956 0.1735
0.85 270.0 -0.0379 0.1595
0.85 282.0 0.0204 0.1887
0.95 126.0 0.1822 0.2059
0.95 138.0 -0.1156 0.1878
0.95 150.0 0.2836 0.152
0.95 162.0 0.1887 0.1727
0.95 174.0 -0.0999 0.181
0.95 186.0 -0.0824 0.181
0.95 198.0 -0.1644 0.2067
0.95 210.0 0.1089 0.2017
Created in SINP MSU, CLAS Collaboration