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Measurement E151M2598

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: 0.0537
Q2: 0.0291 GeV2
W: 1415.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6928

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 -0.4514 0.1942
0.25 54.0 0.2993 0.2257
0.35 30.0 -0.3053 0.2411
0.35 42.0 -0.091 0.1825
0.35 54.0 -0.0869 0.177
0.35 66.0 0.2502 0.2729
0.45 30.0 0.4757 0.1914
0.45 42.0 -0.1216 0.1693
0.45 54.0 -0.1191 0.1622
0.45 234.0 -0.0774 0.2625
0.45 246.0 -0.0682 0.2002
0.45 258.0 -0.2918 0.2379
0.55 30.0 0.2066 0.2253
0.55 42.0 0.2147 0.1785
0.55 54.0 -0.1103 0.1949
0.55 150.0 -0.2349 0.2327
0.55 222.0 -0.0317 0.1927
0.55 234.0 0.2201 0.1765
0.55 246.0 0.0228 0.1625
0.55 258.0 0.0481 0.1865
0.65 138.0 0.5341 0.2086
0.65 150.0 -0.191 0.1985
0.65 162.0 -0.1045 0.2118
0.65 174.0 -0.2163 0.2355
0.65 186.0 0.6523 0.1799
0.65 210.0 0.0256 0.2127
0.65 222.0 -0.2529 0.1634
0.65 234.0 -0.0786 0.1518
0.65 246.0 0.26 0.1363
0.65 258.0 -0.2506 0.1703
0.65 270.0 -0.2302 0.1981
0.75 138.0 -0.1304 0.2015
0.75 150.0 0.1281 0.2155
0.75 162.0 -0.1962 0.2133
0.75 174.0 0.1365 0.2168
0.75 186.0 -0.2036 0.2446
0.75 222.0 -0.1929 0.1847
0.75 234.0 -0.1073 0.1429
0.75 246.0 0.1053 0.1451
0.75 258.0 0.0907 0.1653
0.75 270.0 -0.5178 0.2211
0.85 138.0 -0.3097 0.2401
0.85 222.0 -0.1502 0.2035
0.85 234.0 0.2759 0.163
0.85 246.0 0.2812 0.1352
0.85 258.0 0.1006 0.1599
0.85 270.0 -0.1025 0.224
0.95 258.0 -0.0975 0.2609
Created in SINP MSU, CLAS Collaboration