CLAS Physics Database

Measurement E151M2862

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: 0.1108
Q2: 0.1435 GeV2
W: 1535.0 GeV
Ebeam: 1.3383 GeV
ε: 0.5748

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 222.0 0.1413 0.2866 0.0301
0.85 234.0 0.0034 0.2751 0.03
0.65 246.0 0.0369 0.3844 0.03
0.65 258.0 -0.168 0.3995 0.0302
0.75 246.0 0.1674 0.4063 0.0302