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Measurement E151M2476

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: 0.3683
Q2: 0.0593 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8751

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 42.0 0.2993 0.2434
0.15 42.0 -0.0791 0.181
0.15 54.0 0.1761 0.1998
0.25 42.0 0.1668 0.1989
0.25 54.0 -0.0298 0.2215
0.35 42.0 0.1895 0.2419
0.45 270.0 0.1342 0.196
0.45 282.0 -0.1031 0.1649
0.45 294.0 0.1753 0.2663
0.55 258.0 -0.058 0.1692
0.55 270.0 -0.187 0.1594
0.55 282.0 -0.1146 0.1454
0.55 294.0 0.1692 0.2174
0.65 246.0 -0.137 0.1727
0.65 258.0 0.0656 0.1357
0.65 270.0 -0.1326 0.1221
0.65 282.0 0.1305 0.1558
0.65 294.0 -0.2265 0.2211
0.75 138.0 -0.1794 0.2558
0.75 150.0 -0.1046 0.2313
0.75 162.0 0.1955 0.2334
0.75 246.0 -0.0012 0.2002
0.75 258.0 -0.057 0.1332
0.75 270.0 -0.083 0.1337
0.75 282.0 -0.1428 0.1832
0.75 294.0 -0.366 0.2356
0.85 126.0 -0.1757 0.2031
0.85 138.0 -0.2217 0.1751
0.85 150.0 0.0073 0.1594
0.85 162.0 0.1695 0.1696
0.85 174.0 -0.3387 0.1581
0.85 186.0 -0.0053 0.162
0.85 198.0 0.1372 0.1805
0.85 210.0 0.0894 0.2056
0.85 222.0 0.0952 0.2712
0.85 234.0 -0.2107 0.2596
0.85 246.0 0.1424 0.1883
0.85 258.0 0.1041 0.1653
0.85 270.0 -0.2504 0.1545
0.85 282.0 -0.0345 0.2444
0.95 126.0 0.5116 0.1887
0.95 138.0 0.0314 0.1927
0.95 150.0 0.0632 0.1804
0.95 162.0 -0.1019 0.1933
0.95 174.0 -0.0156 0.2005
0.95 186.0 0.2073 0.1854
0.95 198.0 -0.0351 0.2346
0.95 210.0 -0.2172 0.2117
0.95 222.0 -0.2763 0.2496
Created in SINP MSU, CLAS Collaboration