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Measurement E151M2690

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: 0.528
Q2: 0.1205 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8786

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 270.0 -0.1725 0.2301
0.45 282.0 0.1555 0.1846
0.55 270.0 -0.248 0.1484
0.55 282.0 0.1775 0.153
0.55 294.0 -0.0746 0.2056
0.65 258.0 -0.2749 0.1558
0.65 270.0 0.1331 0.1542
0.65 282.0 0.0127 0.1782
0.65 294.0 0.2504 0.1897
0.75 126.0 0.1408 0.2567
0.75 234.0 -0.5272 0.2837
0.75 246.0 0.0973 0.1955
0.75 258.0 0.0285 0.1589
0.75 270.0 -0.0496 0.1518
0.75 282.0 0.109 0.142
0.75 294.0 -0.1966 0.1504
0.85 90.0 -0.4501 0.2116
0.85 102.0 0.3044 0.1523
0.85 114.0 0.0954 0.1678
0.85 126.0 0.3135 0.1485
0.85 138.0 0.1013 0.1546
0.85 150.0 0.1175 0.1831
0.85 162.0 -0.0645 0.1959
0.85 246.0 -0.1028 0.1651
0.85 258.0 -0.2784 0.1514
0.85 270.0 -0.1927 0.151
0.85 282.0 -0.148 0.1531
0.85 294.0 -0.2821 0.1767
0.95 66.0 0.008 0.2458
0.95 78.0 -0.1436 0.2528
0.95 102.0 -0.178 0.2045
0.95 114.0 -0.0063 0.166
0.95 126.0 -0.2152 0.148
0.95 138.0 -0.2478 0.1855
0.95 150.0 0.0372 0.1762
0.95 162.0 0.0897 0.1785
0.95 174.0 -0.0847 0.1913
0.95 186.0 0.537 0.2198
0.95 198.0 -0.2984 0.1819
0.95 210.0 -0.6236 0.2657
0.95 246.0 -0.2451 0.2697
0.95 270.0 0.0318 0.2025
0.95 294.0 -0.522 0.2415
Created in SINP MSU, CLAS Collaboration