CLAS Physics Database

Measurement E151M2696

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: 0.06
Q2: 0.0121 GeV2
W: 1295.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9245

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 246.0 0.0269 0.2223 0.03
0.75 234.0 -0.4144 0.2726 0.0311
0.65 258.0 -0.9528 0.1404 0.0355
0.75 246.0 -0.3811 0.3421 0.031
0.75 258.0 -0.2812 0.3847 0.0305
0.85 246.0 0.1431 0.4096 0.0301