Measurement E151M1668

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:	0.0285
Q²:	0.0415 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5656

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.65	222.0	-0.4093	0.9635
0.75	162.0	-0.7864	0.9189
0.75	234.0	-0.0166	0.9948
0.75	246.0	0.3324	0.9016
0.85	246.0	-0.5325	0.8645
0.55	222.0	-1.8403	0.7155
0.85	222.0	-0.9748	1.1771
0.85	234.0	-0.3523	0.9334
0.85	246.0	0.8612	0.9669

CLAS Physics Database