Measurement E151M3525

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:	0.3553
Q²:	0.496 GeV²
W:	1565.0 GeV
E_beam:	2.999 GeV
ε:	0.8672

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	90.0	-0.1837	0.249	0.0302
0.65	102.0	0.0505	0.2347	0.03
0.65	114.0	-0.1828	0.2635	0.0302
0.65	246.0	0.2092	0.2679	0.0303
0.75	66.0	0.4638	0.2294	0.0314
0.75	102.0	0.164	0.2384	0.0302
0.75	222.0	-0.3412	0.2383	0.0308
0.75	234.0	-0.6082	0.1676	0.0324
0.75	246.0	0.0291	0.251	0.03
0.85	54.0	0.2625	0.2678	0.0305
0.85	210.0	-0.0251	0.2592	0.03
0.85	222.0	-0.347	0.2352	0.0308
0.85	234.0	0.0009	0.2391	0.03
0.85	246.0	0.1597	0.2166	0.0302
0.85	258.0	-0.2281	0.2175	0.0303
0.85	270.0	-0.259	0.2482	0.0304
0.85	282.0	-0.212	0.2457	0.0303
0.85	294.0	-0.1741	0.2717	0.0302
0.95	222.0	0.0576	0.2512	0.03
0.95	234.0	0.1939	0.2588	0.0302
0.95	246.0	0.0338	0.23	0.03
0.95	258.0	-0.3997	0.2518	0.031
0.95	270.0	-0.4456	0.2424	0.0313
0.95	282.0	-0.1605	0.1916	0.0302
0.95	294.0	0.1175	0.1946	0.0301
0.95	306.0	-0.1061	0.2343	0.0301
0.95	318.0	-0.0519	0.2518	0.03

CLAS Physics Database