CLAS Physics Database

Measurement E151M2733

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: 0.5454
Q2: 0.2915 GeV2
W: 1325.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7233

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.85 282.0 -0.0747 0.4288 0.03
0.65 270.0 -0.3745 0.273 0.0309
0.85 102.0 0.2868 0.262 0.0305
0.85 270.0 0.1568 0.2782 0.0302
0.85 294.0 0.4135 0.2743 0.0311