CLAS Physics Database

Measurement E151M3455

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: 0.7236
Q2: 0.7075 GeV2
W: 1385.0 GeV
Ebeam: 2.999 GeV
ε: 0.8846

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.75 78.0 -0.1529 0.236 0.0302
0.75 90.0 0.1748 0.2718 0.0302
0.75 258.0 -0.003 0.2619 0.03
0.75 306.0 -0.591 0.2243 0.0322
0.85 270.0 -0.2644 0.2762 0.0305
0.85 282.0 -0.0689 0.2729 0.03