CLAS Physics Database

Measurement E151M2643

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: 0.1672
Q2: 0.0171 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9594

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 258.0 -0.4915 0.2879 0.0316
0.65 270.0 -0.1851 0.3785 0.0302
0.85 162.0 0.0666 0.3642 0.03
0.85 198.0 -0.3323 0.3412 0.0307
0.55 270.0 0.0926 0.2815 0.0301
0.75 174.0 -0.18 0.2465 0.0302
0.75 258.0 -0.0408 0.2817 0.03
0.85 186.0 0.1098 0.2592 0.0301