Measurement E151M1566

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:	0.2595
Q²:	0.1715 GeV²
W:	1415.0 GeV
E_beam:	1.3383 GeV
ε:	0.7187

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.75	234.0	-0.1434	1.2355
0.75	246.0	1.0733	1.2196
0.85	258.0	0.7866	0.9797
0.65	246.0	1.633	0.9202
0.75	246.0	1.075	0.9472
0.85	258.0	-0.3139	0.8446
0.85	270.0	-0.0944	0.9244
0.95	258.0	0.0435	0.6961

CLAS Physics Database