Measurement E151M2550

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:	0.0258
Q²:	0.0084 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.8064

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	42.0	-0.0218	0.2378	0.03
0.35	54.0	-0.0417	0.2489	0.03
0.45	42.0	-0.0648	0.2277	0.03
0.45	54.0	-0.2191	0.1942	0.0303
0.55	30.0	0.1264	0.236	0.0301
0.55	42.0	-0.0093	0.1872	0.03
0.55	54.0	-0.5948	0.1666	0.0323
0.55	222.0	0.1659	0.2452	0.0302
0.55	234.0	0.39	0.1849	0.031
0.55	246.0	-0.0057	0.2195	0.03
0.55	258.0	-0.4337	0.2077	0.0312
0.65	30.0	0.1823	0.2543	0.0302
0.65	42.0	-0.0934	0.1988	0.0301
0.65	54.0	0.0656	0.1971	0.03
0.65	150.0	-0.0314	0.2451	0.03
0.65	162.0	0.2379	0.2294	0.0304
0.65	174.0	0.0218	0.239	0.03
0.65	222.0	-0.2943	0.1792	0.0306
0.65	234.0	-0.1112	0.1625	0.0301
0.65	246.0	-0.3318	0.1819	0.0307
0.65	258.0	-0.3873	0.2085	0.031
0.75	138.0	0.2503	0.2319	0.0304
0.75	150.0	0.0422	0.2479	0.03
0.75	210.0	-0.1899	0.2302	0.0302
0.75	222.0	0.0536	0.1796	0.03
0.75	234.0	-0.0399	0.1666	0.03
0.75	246.0	-0.1707	0.1464	0.0302
0.75	258.0	-0.2345	0.2183	0.0304
0.85	222.0	-0.2905	0.1699	0.0306
0.85	234.0	0.1027	0.187	0.0301
0.85	246.0	-0.2195	0.1782	0.0303
0.85	258.0	0.3997	0.2173	0.031

CLAS Physics Database