Measurement E151M3477

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:	0.5715
Q²:	0.5925 GeV²
W:	1445.0 GeV
E_beam:	2.999 GeV
ε:	0.8875

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	78.0	-0.0691	0.2533	0.03
0.55	90.0	0.318	0.245	0.0307
0.65	78.0	-0.3844	0.2362	0.031
0.65	90.0	-0.1653	0.277	0.0302
0.65	102.0	0.0749	0.2754	0.03
0.65	258.0	0.0342	0.2549	0.03
0.75	78.0	0.0374	0.2414	0.03
0.75	90.0	0.0118	0.2804	0.03
0.75	102.0	0.1103	0.2581	0.0301
0.75	114.0	-0.004	0.2819	0.03
0.75	234.0	-0.2477	0.2471	0.0304
0.75	258.0	-0.0583	0.2339	0.03
0.75	270.0	-0.3466	0.2153	0.0308
0.75	282.0	-0.1333	0.2856	0.0301
0.85	90.0	0.1649	0.2616	0.0302
0.85	258.0	0.0235	0.2754	0.03
0.85	270.0	-0.247	0.2484	0.0304
0.85	282.0	0.2224	0.2516	0.0303
0.85	294.0	0.0338	0.2191	0.03
0.85	306.0	-0.0091	0.2357	0.03
0.95	258.0	0.2101	0.2519	0.0303
0.95	306.0	0.2038	0.2657	0.0303

CLAS Physics Database