Measurement E151M1626

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:	0.0133
Q²:	0.0121 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6941

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.65	210.0	-1.1237	0.9895
0.65	222.0	-1.2364	0.9812
0.65	234.0	-0.2202	1.1496
0.75	222.0	1.5279	0.8524
0.75	234.0	-2.2855	2.2855
0.85	222.0	-0.6117	1.0268
0.45	42.0	-1.8353	0.9518
0.45	222.0	-0.4091	0.9511
0.55	42.0	-0.3691	0.8083
0.55	150.0	-0.8211	0.9346
0.65	222.0	-0.1086	0.9258
0.65	234.0	-0.5258	0.8962
0.75	210.0	-0.0506	0.9793
0.75	234.0	-1.2225	0.8102
0.85	222.0	-1.0224	0.8052

CLAS Physics Database