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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
0.35 66.0 0.1693 0.2438
0.35 78.0 -0.3826 0.2021
0.45 66.0 0.3309 0.2158
0.45 78.0 -0.2014 0.26
0.65 270.0 -0.1384 0.2125
0.65 282.0 -0.0393 0.2099
0.75 102.0 0.3138 0.2065
0.75 114.0 0.1258 0.2558
0.75 258.0 0.2695 0.2201
0.75 270.0 0.0098 0.1865
0.75 282.0 0.0742 0.1756
0.85 90.0 -0.3956 0.2062
0.85 102.0 -0.0869 0.1923
0.85 114.0 0.1845 0.2168
0.85 126.0 0.0341 0.2467
0.85 258.0 0.3518 0.2058
0.85 270.0 -0.1002 0.221
0.85 282.0 0.3021 0.1912
0.95 90.0 -0.0529 0.2245
0.95 114.0 0.1868 0.2278
0.95 126.0 0.2377 0.0301
0.95 138.0 0.5858 0.212
0.95 150.0 0.0736 0.2246
0.95 162.0 -0.0244 0.227
0.25 66.0 -0.3119 0.2121
0.35 66.0 0.2554 0.1938
0.45 66.0 0.3473 0.2009
0.55 66.0 -0.1713 0.2588
0.55 270.0 -0.152 0.2527
0.65 270.0 -0.0854 0.1875
0.65 282.0 -0.1465 0.1883
0.75 90.0 -0.1634 0.2497
0.75 102.0 0.2846 0.2123
0.75 114.0 -0.0198 0.2451
0.75 258.0 -0.1638 0.1782
0.75 270.0 -0.0333 0.178
0.75 282.0 -0.1378 0.1887
0.85 90.0 -0.0006 0.1987
0.85 102.0 -0.4273 0.213
0.85 114.0 0.0587 0.1863
0.85 126.0 0.1053 0.2231
0.85 246.0 0.0586 0.235
0.85 258.0 -0.0877 0.1873
0.85 270.0 0.1028 0.1949
0.85 282.0 0.2099 0.1869
0.95 90.0 -0.1168 0.2398
0.95 102.0 -0.0541 0.1951
0.95 114.0 0.1616 0.2119
0.95 126.0 -0.2143 0.2323
0.95 138.0 0.5569 0.1924
0.95 150.0 0.6337 0.2087
0.95 258.0 -0.3112 0.244
Created in SINP MSU, CLAS Collaboration