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Measurement E151M3168

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: 0.0245
Q2: 0.0496 GeV2
W: 1745.0 GeV
Ebeam: 1.9889 GeV
ε: 0.6889

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.75 210.0 -0.1526 0.2602 0.0302
0.75 270.0 -0.0058 0.2813 0.03
0.85 222.0 0.4332 0.2497 0.0312
Created in SINP MSU, CLAS Collaboration