CLAS Physics Database

Measurement E151M1187

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: AUL
εL: 0.0514
Q2: 0.1205 GeV2
W: 1835.0 GeV
Ebeam: 2.999 GeV
ε: 0.8239

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.65 54.0 1.8402 1.0435 0.1378
0.65 282.0 0.0097 0.849 0.03
0.75 102.0 -0.7366 0.7512 0.0616
0.75 198.0 1.9152 0.9055 0.1432
0.75 210.0 -0.5325 0.818 0.0491
0.75 258.0 -0.3966 0.8699 0.0417
0.75 282.0 -0.6814 0.7832 0.0581
0.85 90.0 0.9004 0.9884 0.0723
0.85 102.0 1.3564 0.824 0.1036
0.85 114.0 -0.5999 0.7373 0.0531
0.85 126.0 1.1087 1.0972 0.0864
0.85 186.0 0.8301 0.7314 0.0677
0.85 198.0 -0.4184 0.6922 0.0428
0.85 210.0 -0.1156 0.7174 0.0312
0.85 222.0 -0.823 0.6725 0.0672
0.85 234.0 0.7717 0.9834 0.0639
0.95 210.0 0.4509 0.8465 0.0446