CLAS Physics Database

Measurement E151M2861

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: 0.0992
Q2: 0.1205 GeV2
W: 1535.0 GeV
Ebeam: 1.3383 GeV
ε: 0.596

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.85 234.0 -0.4015 0.2704 0.0311
0.65 246.0 -0.5026 0.2909 0.0316
0.75 246.0 -0.0324 0.4008 0.03