CLAS Physics Database

Measurement E151M2753

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: 0.028
Q2: 0.0101 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8661

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 234.0 -0.2315 0.2427 0.0304
0.75 222.0 0.0369 0.2808 0.03
0.75 246.0 0.0473 0.2799 0.03