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Measurement E151M3189

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: 0.6494
Q2: 0.1435 GeV2
W: 1265.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9578

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 66.0 0.1693 0.2438 0.0302
0.35 78.0 -0.3826 0.2021 0.031
0.45 66.0 0.3309 0.2158 0.0307
0.45 78.0 -0.2014 0.26 0.0303
0.65 270.0 -0.1384 0.2125 0.0301
0.65 282.0 -0.0393 0.2099 0.03
0.75 102.0 0.3138 0.2065 0.0306
0.75 114.0 0.1258 0.2558 0.0301
0.75 258.0 0.2695 0.2201 0.0305
0.75 270.0 0.0098 0.1865 0.03
0.75 282.0 0.0742 0.1756 0.03
0.85 90.0 -0.3956 0.2062 0.031
0.85 102.0 -0.0869 0.1923 0.0301
0.85 114.0 0.1845 0.2168 0.0302
0.85 126.0 0.0341 0.2467 0.03
0.85 258.0 0.3518 0.2058 0.0308
0.85 270.0 -0.1002 0.221 0.0301
0.85 282.0 0.3021 0.1912 0.0306
0.95 90.0 -0.0529 0.2245 0.03
0.95 114.0 0.1868 0.2278 0.0302
0.95 126.0 0.2377 0.0301 None
0.95 138.0 0.5858 0.212 0.0322
0.95 150.0 0.0736 0.2246 0.03
0.95 162.0 -0.0244 0.227 0.03
0.25 66.0 -0.3119 0.2121 0.0306
0.35 66.0 0.2554 0.1938 0.0304
0.45 66.0 0.3473 0.2009 0.0308
0.55 66.0 -0.1713 0.2588 0.0302
0.55 270.0 -0.152 0.2527 0.0302
0.65 270.0 -0.0854 0.1875 0.03
0.65 282.0 -0.1465 0.1883 0.0301
0.75 90.0 -0.1634 0.2497 0.0302
0.75 102.0 0.2846 0.2123 0.0305
0.75 114.0 -0.0198 0.2451 0.03
0.75 258.0 -0.1638 0.1782 0.0302
0.75 270.0 -0.0333 0.178 0.03
0.75 282.0 -0.1378 0.1887 0.0301
0.85 90.0 -0.0006 0.1987 0.03
0.85 102.0 -0.4273 0.213 0.0312
0.85 114.0 0.0587 0.1863 0.03
0.85 126.0 0.1053 0.2231 0.0301
0.85 246.0 0.0586 0.235 0.03
0.85 258.0 -0.0877 0.1873 0.0301
0.85 270.0 0.1028 0.1949 0.0301
0.85 282.0 0.2099 0.1869 0.0303
0.95 90.0 -0.1168 0.2398 0.0301
0.95 102.0 -0.0541 0.1951 0.03
0.95 114.0 0.1616 0.2119 0.0302
0.95 126.0 -0.2143 0.2323 0.0303
0.95 138.0 0.5569 0.1924 0.032
0.95 150.0 0.6337 0.2087 0.0326
0.95 258.0 -0.3112 0.244 0.0306
Created in SINP MSU, CLAS Collaboration