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Measurement E151M2500

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: 0.4277
Q2: 0.101 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8104

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 42.0 -0.0581 0.2278
0.15 42.0 0.2115 0.2109
0.15 54.0 0.3168 0.223
0.25 42.0 -0.2883 0.1961
0.35 282.0 0.1404 0.2436
0.45 270.0 -0.1716 0.2219
0.45 282.0 -0.0808 0.1714
0.45 294.0 0.0098 0.2372
0.55 258.0 -0.1792 0.1729
0.55 270.0 -0.1752 0.1712
0.55 282.0 -0.3018 0.1796
0.55 294.0 -0.1692 0.2569
0.65 246.0 0.3395 0.1839
0.65 258.0 -0.1892 0.1635
0.65 270.0 -0.0445 0.1597
0.65 282.0 -0.0333 0.1542
0.65 294.0 0.0646 0.1961
0.75 126.0 0.3679 0.2105
0.75 150.0 0.0938 0.26
0.75 234.0 -0.0679 0.2229
0.75 246.0 0.1421 0.2123
0.75 258.0 -0.1691 0.1687
0.75 270.0 0.2083 0.1333
0.75 282.0 -0.3409 0.1795
0.75 294.0 -0.0573 0.1682
0.85 114.0 -0.0885 0.2253
0.85 126.0 0.3435 0.1638
0.85 138.0 0.3114 0.1619
0.85 150.0 -0.0891 0.1503
0.85 162.0 0.0164 0.1742
0.85 174.0 0.1317 0.1549
0.85 186.0 0.2224 0.1904
0.85 198.0 -0.0882 0.195
0.85 246.0 -0.0019 0.1951
0.85 258.0 -0.0518 0.1722
0.85 270.0 0.0966 0.1533
0.85 282.0 -0.1402 0.1575
0.85 294.0 0.0347 0.2253
0.95 114.0 0.4797 0.1884
0.95 126.0 -0.1833 0.1793
0.95 138.0 0.0479 0.2087
0.95 150.0 0.3051 0.1872
0.95 162.0 -0.0753 0.1844
0.95 174.0 0.2075 0.1857
0.95 186.0 -0.2934 0.1822
0.95 198.0 0.1941 0.1975
0.95 210.0 0.0348 0.2027
0.95 258.0 0.1084 0.2441
0.95 270.0 -0.3915 0.2148
Created in SINP MSU, CLAS Collaboration