Measurement E151M1492

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:	0.6504
Q²:	0.2915 GeV²
W:	1295.0 GeV
E_beam:	1.3383 GeV
ε:	0.7501

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.75	138.0	-1.0391	1.0115
0.75	246.0	2.1186	2.1186
0.85	102.0	0.4313	0.9886
0.85	114.0	1.2223	1.3969
0.85	282.0	-0.4001	0.9276
0.65	294.0	1.0188	0.804
0.85	102.0	0.0962	0.7254
0.85	126.0	0.4741	0.7446
0.85	162.0	0.0201	0.7678
0.85	270.0	-0.0689	0.7261
0.85	294.0	0.2607	0.7924

CLAS Physics Database