Measurement E151M3078

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_LU
ε_L:	0.2306
Q²:	0.2445 GeV²
W:	1535.0 GeV
E_beam:	1.9889 GeV
ε:	0.7925

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	282.0	0.1274	0.2683	0.0301
0.65	114.0	0.6368	0.2112	0.0326
0.65	234.0	0.1737	0.2681	0.0302
0.65	246.0	-0.5497	0.2442	0.032
0.75	102.0	0.3064	0.2377	0.0306
0.75	114.0	0.0853	0.2368	0.03
0.75	138.0	-0.2651	0.2601	0.0305
0.75	222.0	-0.331	0.2079	0.0307
0.75	234.0	-0.0088	0.2282	0.03
0.75	246.0	-0.1045	0.263	0.0301
0.75	258.0	0.0132	0.2757	0.03
0.85	78.0	-0.1473	0.2461	0.0301
0.85	138.0	-0.0838	0.2791	0.03
0.85	210.0	-0.0599	0.273	0.03
0.85	222.0	-0.0813	0.2487	0.03
0.85	234.0	-0.4319	0.2297	0.0312
0.85	246.0	-0.2057	0.2244	0.0303
0.85	258.0	0.549	0.2323	0.0319
0.85	270.0	0.1719	0.2663	0.0302
0.95	234.0	0.1899	0.2673	0.0302
0.95	258.0	-0.194	0.2433	0.0302
0.95	270.0	-0.3206	0.2551	0.0307
0.95	282.0	-0.1184	0.2387	0.0301

CLAS Physics Database