CLAS Physics Database

Measurement E151M2877

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: 0.063
Q2: 0.0844 GeV2
W: 1565.0 GeV
Ebeam: 1.3383 GeV
ε: 0.5786

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 162.0 -0.1566 0.2688 0.0302
0.65 234.0 -0.0653 0.2785 0.03
0.75 138.0 0.2478 0.272 0.0304
0.75 150.0 0.0833 0.2469 0.03
0.75 234.0 0.1498 0.2801 0.0301
0.85 234.0 0.0523 0.2691 0.03
0.55 234.0 0.1522 0.3912 0.0302
0.65 234.0 -0.4258 0.2936 0.0312
0.85 234.0 -0.5712 0.2278 0.0321
0.85 258.0 -0.4091 0.3187 0.0311