CLAS Physics Database

Measurement E151M347

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: 0.0194
Q2: 0.0101 GeV2
W: 1445.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8102

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 222.0 -0.1446 0.6798
0.55 234.0 0.3417 0.4766
0.65 138.0 -1.1436 0.7105
0.65 222.0 1.4708 0.6483
0.65 234.0 0.2936 0.5276
0.75 162.0 0.5908 1.2553
0.75 222.0 0.7743 1.1569
0.75 234.0 0.4316 0.9441
0.85 210.0 -0.3882 0.7986
0.85 222.0 -0.5066 0.6849
0.85 234.0 -1.0974 0.5452
0.65 246.0 -0.5611 0.6482
0.75 234.0 0.9719 0.5256
0.75 246.0 0.996 0.6562
0.85 234.0 -0.4733 0.6441