Measurement E151M1383

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:	0.1433
Q²:	0.101 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.6028

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	246.0	-0.3073	0.813	0.0458
0.55	258.0	-0.2267	0.8864	0.0394
0.55	270.0	1.1334	0.8125	0.1313
0.65	150.0	1.6415	0.896	0.1876
0.65	222.0	-0.5616	0.9209	0.0701
0.65	234.0	-0.4454	0.8753	0.0585
0.65	246.0	1.0696	0.7519	0.1243
0.65	258.0	0.4987	0.6625	0.0637
0.65	270.0	0.2376	0.8095	0.0402
0.75	150.0	-1.7883	0.8898	0.2039
0.75	162.0	-0.5537	0.9875	0.0693
0.75	234.0	0.4088	0.7529	0.055
0.75	246.0	-0.1201	0.8205	0.0329
0.75	258.0	0.2664	0.7724	0.0425
0.75	270.0	0.9811	0.7841	0.1146
0.85	234.0	-0.2146	0.849	0.0385
0.85	246.0	-0.2786	0.7459	0.0434
0.85	258.0	0.0376	0.8138	0.0303
0.85	270.0	1.0534	0.7031	0.1225
0.85	282.0	1.5254	0.7349	0.1746

CLAS Physics Database