Measurement E151M2610

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:	0.0134
Q²:	0.0084 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6652

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	30.0	0.0056	0.2431	0.03
0.35	42.0	0.2238	0.2046	0.0303
0.35	54.0	-0.1916	0.1935	0.0302
0.45	30.0	-0.0292	0.2528	0.03
0.45	42.0	-0.0183	0.1993	0.03
0.45	54.0	0.0974	0.1685	0.0301
0.45	66.0	0.0739	0.22	0.03
0.45	222.0	-0.2312	0.2549	0.0304
0.55	30.0	-0.0911	0.2171	0.0301
0.55	42.0	-0.1543	0.1693	0.0302
0.55	54.0	0.2916	0.189	0.0306
0.55	66.0	-0.2376	0.2385	0.0304
0.55	162.0	0.2194	0.2385	0.0303
0.55	210.0	-0.0851	0.2507	0.03
0.55	222.0	-0.0479	0.1932	0.03
0.55	234.0	0.0798	0.1802	0.03
0.55	246.0	-0.2942	0.2078	0.0306
0.55	258.0	0.1229	0.2476	0.0301
0.65	138.0	-0.2747	0.2186	0.0305
0.65	150.0	0.1462	0.2129	0.0301
0.65	174.0	0.3824	0.2419	0.031
0.65	210.0	-0.2004	0.2209	0.0303
0.65	222.0	0.1581	0.2052	0.0302
0.65	234.0	-0.3115	0.1631	0.0306
0.65	246.0	-0.0315	0.2001	0.03
0.75	210.0	-0.3828	0.2288	0.031
0.75	222.0	-0.1759	0.2138	0.0302
0.75	234.0	0.0817	0.1967	0.03
0.75	246.0	-0.0823	0.1849	0.03
0.85	210.0	0.4554	0.204	0.0314
0.85	222.0	-0.3203	0.2064	0.0307
0.85	234.0	-0.3934	0.1709	0.031
0.85	246.0	-0.3232	0.2058	0.0307

CLAS Physics Database