Measurement E151M2871

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:	0.0254
Q²:	0.0291 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6307

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	210.0	0.816	0.1833	0.0342
0.65	222.0	-0.726	0.1736	0.0333
0.65	234.0	0.3835	0.3035	0.031
0.65	246.0	0.2368	0.349	0.0304
0.75	210.0	0.0514	0.4196	0.03
0.75	222.0	-0.645	0.2352	0.0327
0.75	234.0	-0.202	0.341	0.0303
0.85	222.0	-0.2229	0.3662	0.0303
0.85	234.0	0.4796	0.2715	0.0315
0.85	246.0	-0.3255	0.3469	0.0307
0.35	42.0	-0.1448	0.2614	0.0301
0.55	234.0	0.3036	0.2615	0.0306
0.75	210.0	0.1813	0.2666	0.0302
0.75	222.0	0.5566	0.2409	0.032
0.75	234.0	0.5468	0.237	0.0319
0.85	138.0	-0.2481	0.2707	0.0304
0.85	210.0	0.1091	0.2681	0.0301
0.85	222.0	0.1972	0.2592	0.0303
0.85	234.0	-0.2886	0.2318	0.0306
0.85	246.0	0.1741	0.2735	0.0302

CLAS Physics Database