CLAS Physics Database

Measurement E151M3345

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: 0.1
Q2: 0.1205 GeV2
W: 1625.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8333

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.65 126.0 -0.3167 0.2408
0.75 210.0 -0.0899 0.2598
0.75 234.0 0.1763 0.2506
0.85 90.0 0.1912 0.2291
0.85 102.0 -0.1175 0.259
0.85 222.0 -0.0932 0.2152
0.85 234.0 0.0568 0.254
0.65 234.0 -0.15 0.263
0.65 294.0 0.2483 0.2544
0.75 126.0 -0.0163 0.2648
0.75 294.0 -0.0362 0.2498
0.85 102.0 0.1228 0.2581
0.85 222.0 -0.2558 0.199