Measurement E151M2860

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:	0.0878
Q²:	0.101 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6138

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	138.0	0.5615	0.2377	0.032
0.55	222.0	0.2284	0.2758	0.0303
0.55	234.0	-0.4044	0.25	0.0311
0.55	246.0	0.16	0.228	0.0302
0.65	138.0	0.343	0.2614	0.0308
0.65	162.0	-0.0099	0.2851	0.03
0.65	222.0	0.4228	0.2824	0.0312
0.65	234.0	0.1362	0.2001	0.0303
0.65	246.0	0.0123	0.2131	0.03
0.75	126.0	-0.5884	0.2307	0.0322
0.75	138.0	0.0918	0.2241	0.0302
0.75	150.0	0.1272	0.2336	0.0301
0.75	234.0	-0.0381	0.2145	0.03
0.75	246.0	-0.288	0.1726	0.0307
0.75	258.0	-0.5336	0.1412	0.0326
0.85	210.0	-0.5679	0.268	0.0321
0.85	222.0	-0.6393	0.1334	0.0338
0.85	234.0	-0.4828	0.2091	0.0315
0.85	246.0	0.3106	0.1456	0.0321
0.85	258.0	-0.0402	0.2087	0.0302
0.95	114.0	0.1787	0.3889	0.0302

CLAS Physics Database