Measurement E151M2190

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:	A_LL
ε_L:	1.1135
Q²:	0.7075 GeV²
W:	1265.0 GeV
E_beam:	2.999 GeV
ε:	0.9104

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	282.0	0.6143	0.7958
0.65	282.0	1.4196	0.6685
0.75	258.0	0.8587	0.7986
0.75	270.0	1.066	0.759
0.75	306.0	0.3302	0.7643
0.95	282.0	0.5365	0.7262

CLAS Physics Database