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Measurement E151M2677

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: 0.0744
Q2: 0.0121 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9391

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.75 258.0 -0.145 0.2756 0.0301
0.65 246.0 0.1754 0.3948 0.0302
0.65 258.0 -0.7739 0.1893 0.0338
0.75 246.0 -0.2964 0.3036 0.0306
0.75 258.0 0.7641 0.1756 0.0337
Created in SINP MSU, CLAS Collaboration