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Measurement E151M2572

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: 0.0247
Q2: 0.0101 GeV2
W: 1385.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7635

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 42.0 -0.1999 0.2482 0.0303
0.35 54.0 0.1208 0.2156 0.0301
0.45 42.0 0.0769 0.1799 0.03
0.45 54.0 0.0584 0.1644 0.03
0.45 222.0 0.1303 0.2413 0.0301
0.45 234.0 -0.073 0.2296 0.03
0.45 246.0 0.3785 0.2414 0.0309
0.55 18.0 -0.2939 0.2281 0.0306
0.55 30.0 -0.4128 0.1998 0.0311
0.55 42.0 -0.1402 0.151 0.0301
0.55 54.0 0.1194 0.182 0.0301
0.55 222.0 0.3891 0.1824 0.031
0.55 234.0 -0.2672 0.1837 0.0305
0.55 246.0 0.0782 0.1888 0.03
0.65 30.0 -0.5187 0.2208 0.0317
0.65 42.0 0.0267 0.2141 0.03
0.65 54.0 0.0967 0.1714 0.0301
0.65 138.0 0.3768 0.2119 0.0309
0.65 150.0 -0.4608 0.1814 0.0314
0.65 162.0 0.0919 0.202 0.0301
0.65 210.0 -0.3045 0.1993 0.0306
0.65 222.0 -0.2193 0.1671 0.0303
0.65 234.0 -0.0981 0.1531 0.0301
0.65 246.0 0.2298 0.1485 0.0304
0.75 138.0 -0.0065 0.2327 0.03
0.75 150.0 -0.1312 0.2409 0.0301
0.75 162.0 -0.439 0.2201 0.0313
0.75 174.0 0.488 0.2238 0.0315
0.75 210.0 0.2199 0.2554 0.0303
0.75 222.0 0.1265 0.1727 0.0301
0.75 234.0 0.1648 0.1591 0.0302
0.75 246.0 -0.1449 0.1615 0.0301
0.75 258.0 -0.3539 0.2422 0.0308
0.85 222.0 0.3227 0.1941 0.0307
0.85 234.0 0.242 0.1542 0.0304
0.85 246.0 -0.0033 0.169 0.03
0.85 258.0 -0.1953 0.226 0.0303
Created in SINP MSU, CLAS Collaboration