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Measurement E151M2544

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: 0.3089
Q2: 0.1205 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7217

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 258.0 -0.0286 0.2201 0.03
0.55 270.0 -0.1555 0.1942 0.0302
0.65 246.0 -0.0352 0.173 0.03
0.65 258.0 -0.2138 0.2106 0.0303
0.65 270.0 -0.1455 0.1888 0.0301
0.65 282.0 -0.3691 0.2088 0.0309
0.75 138.0 -0.0577 0.2208 0.03
0.75 150.0 0.1839 0.2371 0.0302
0.75 246.0 -0.2711 0.187 0.0305
0.75 258.0 0.0695 0.2254 0.03
0.75 270.0 -0.0722 0.1995 0.03
0.75 282.0 -0.2416 0.204 0.0304
0.75 294.0 -0.0221 0.2524 0.03
0.85 126.0 0.0474 0.2281 0.03
0.85 138.0 0.0492 0.2052 0.03
0.85 150.0 0.0619 0.2195 0.03
0.85 162.0 -0.1481 0.2031 0.0301
0.85 186.0 0.0438 0.2158 0.03
0.85 246.0 -0.0258 0.2496 0.03
0.85 258.0 -0.2226 0.2015 0.0303
0.85 270.0 -0.0407 0.2114 0.03
0.85 282.0 -0.3793 0.1737 0.0309
0.85 294.0 0.073 0.232 0.03
0.95 102.0 -0.033 0.2577 0.03
0.95 114.0 0.1269 0.2624 0.0301
0.95 138.0 -0.3051 0.2398 0.0306
0.95 162.0 -0.0992 0.236 0.0301
0.95 174.0 0.3694 0.2217 0.0309
0.95 258.0 0.0838 0.2526 0.03
Created in SINP MSU, CLAS Collaboration