Measurement E151M1969

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:	0.7987
Q²:	0.205 GeV²
W:	1265.0 GeV
E_beam:	2.2596 GeV
ε:	0.9462

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	282.0	-0.4187	0.5389
0.65	282.0	0.1872	0.4497
0.75	90.0	-0.6067	0.5959
0.75	102.0	0.1186	0.5999
0.75	258.0	-0.0267	0.5885
0.75	270.0	-0.0177	0.5016
0.75	282.0	0.1107	0.4573
0.75	294.0	-0.3408	0.4862
0.85	78.0	-0.1918	0.5164
0.85	90.0	-1.5539	0.486
0.85	102.0	0.0893	0.5056
0.85	246.0	1.457	0.5671
0.85	258.0	-0.3601	0.5008
0.85	282.0	0.2715	0.5444
0.85	294.0	-1.1133	0.4787
0.95	78.0	-0.4199	0.8479
0.95	90.0	-1.2848	0.9473
0.95	126.0	-0.2175	0.9308
0.95	270.0	-1.7379	0.8529
0.35	66.0	-2.3374	2.0721
0.55	270.0	-2.9518	1.6811
0.55	282.0	-0.0914	1.6933
0.65	282.0	0.7303	1.9995
0.75	270.0	2.4385	1.825
0.75	282.0	0.2264	1.8763
0.85	114.0	1.5373	2.8193
0.85	126.0	-0.8492	2.7889
0.85	258.0	-1.0281	2.4587
0.85	270.0	2.3086	2.0489
0.85	282.0	5.2873	1.6205
0.85	294.0	1.72	1.8788
0.95	114.0	5.9699	0.7922
0.95	138.0	-6.5553	6.9462

CLAS Physics Database