Measurement E151M2584

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:	0.1594
Q²:	0.0844 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.6751

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	42.0	0.1617	0.2006
0.55	234.0	-0.0597	0.2467
0.55	246.0	-0.0266	0.2394
0.55	258.0	-0.0583	0.1989
0.65	150.0	-0.0106	0.242
0.65	234.0	-0.0326	0.2105
0.65	246.0	-0.1279	0.1956
0.65	258.0	-0.2036	0.1933
0.65	270.0	-0.4287	0.2003
0.75	138.0	-0.0131	0.2444
0.75	150.0	0.0578	0.2271
0.75	162.0	0.1469	0.2443
0.75	174.0	0.2155	0.2253
0.75	234.0	-0.4682	0.1994
0.75	246.0	-0.1668	0.1848
0.75	258.0	-0.2749	0.1798
0.75	270.0	-0.3869	0.1802
0.85	126.0	0.3085	0.2473
0.85	138.0	0.3949	0.2428
0.85	150.0	0.0536	0.2535
0.85	162.0	-0.0601	0.2615
0.85	174.0	0.0276	0.2236
0.85	234.0	-0.4732	0.1982
0.85	246.0	-0.1068	0.1761
0.85	258.0	0.2869	0.1816
0.85	270.0	-0.065	0.1535
0.85	282.0	-0.0618	0.1907
0.95	258.0	0.2409	0.2093
0.95	270.0	-0.3155	0.2456

CLAS Physics Database