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Measurement E151M2944

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: 0.9893
Q2: 0.4155 GeV2
W: 1265.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8714

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 258.0 -0.2174 0.251 0.0303
0.75 90.0 0.1019 0.2712 0.0301
0.85 270.0 0.126 0.2412 0.0301
Created in SINP MSU, CLAS Collaboration