Measurement E151M2851

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:	0.0221
Q²:	0.0205 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	18.0	0.0011	0.2637	0.03
0.45	30.0	0.1677	0.2666	0.0302
0.45	42.0	0.3796	0.1627	0.0316
0.45	222.0	0.1208	0.1926	0.0304
0.55	42.0	-0.2252	0.1939	0.0304
0.55	138.0	-0.1622	0.2656	0.0302
0.55	150.0	0.2376	0.1905	0.0305
0.55	162.0	0.4043	0.2533	0.0311
0.55	174.0	-0.3645	0.2524	0.0309
0.55	186.0	0.0475	0.2808	0.03
0.55	210.0	-0.1611	0.3794	0.0302
0.55	222.0	-0.4108	0.1663	0.0313
0.55	234.0	-0.0479	0.175	0.0301
0.55	246.0	0.0776	0.2028	0.03
0.65	138.0	-0.0324	0.197	0.0302
0.65	162.0	0.0214	0.1885	0.0309
0.65	210.0	0.1984	0.1817	0.0316
0.65	222.0	-0.069	0.1637	0.0301
0.65	234.0	-0.1721	0.1774	0.0309
0.75	138.0	-0.0582	0.407	0.03
0.75	150.0	0.0566	0.352	0.03
0.75	210.0	0.285	0.2052	0.0305
0.75	222.0	-0.3653	0.1716	0.0309
0.75	234.0	-0.0292	0.1989	0.03
0.85	126.0	0.0258	0.2475	0.03
0.85	138.0	-0.082	0.2216	0.03
0.85	210.0	0.023	0.2484	0.03
0.85	222.0	-0.2391	0.2588	0.0304
0.85	234.0	0.0539	0.2621	0.03
0.75	246.0	0.1222	0.298	0.0301
0.85	126.0	0.2573	0.3658	0.0304
0.85	222.0	0.3331	0.3715	0.0307
0.85	234.0	0.2179	0.3962	0.0303

CLAS Physics Database