Measurement E151M2522

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:	0.3829
Q²:	0.1205 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.7589

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	282.0	-0.1548	0.2571	0.0302
0.55	258.0	0.2625	0.2145	0.0305
0.55	270.0	0.0171	0.2103	0.03
0.55	282.0	0.4311	0.2091	0.0312
0.65	258.0	-0.0849	0.2254	0.03
0.65	270.0	-0.0945	0.2206	0.0301
0.65	282.0	0.0235	0.2327	0.03
0.75	246.0	-0.123	0.2639	0.0301
0.75	258.0	-0.2292	0.2041	0.0303
0.75	270.0	0.0572	0.2091	0.03
0.75	282.0	-0.4187	0.209	0.0311
0.85	114.0	0.4527	0.2207	0.0313
0.85	126.0	0.1549	0.2268	0.0302
0.85	138.0	0.0103	0.2568	0.03
0.85	150.0	0.1287	0.2548	0.0301
0.85	162.0	-0.063	0.2453	0.03
0.85	174.0	-0.1639	0.2519	0.0302
0.85	186.0	0.0553	0.2564	0.03
0.85	270.0	-0.4008	0.1846	0.0311
0.85	282.0	-0.0297	0.1851	0.03
0.85	294.0	0.0439	0.233	0.03
0.95	126.0	0.3909	0.2147	0.031
0.95	150.0	0.137	0.2498	0.0301
0.95	186.0	-0.4924	0.2344	0.0316
0.95	198.0	-0.0516	0.2437	0.03

CLAS Physics Database