Measurement E151M2972

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:	0.6685
Q²:	0.2915 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.8864

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	270.0	-0.1995	0.2308	0.0303
0.65	282.0	-0.3469	0.2458	0.0308
0.75	90.0	0.265	0.2453	0.0305
0.75	102.0	0.4539	0.1991	0.0313
0.75	258.0	0.3295	0.2227	0.0307
0.75	270.0	-0.0417	0.2649	0.03
0.75	282.0	0.0375	0.2676	0.03
0.75	294.0	0.4923	0.1914	0.0316
0.85	78.0	0.0296	0.197	0.03
0.85	90.0	0.2377	0.2147	0.0304
0.85	102.0	-0.1134	0.2335	0.0301
0.85	114.0	0.255	0.2481	0.0304
0.85	126.0	-0.0865	0.262	0.03
0.85	234.0	-0.0064	0.2441	0.03
0.85	246.0	-0.4134	0.2903	0.0311
0.85	258.0	-0.1507	0.2098	0.0302
0.85	270.0	-0.5171	0.2316	0.0317
0.85	282.0	-0.195	0.2382	0.0303
0.85	294.0	-0.4658	0.2211	0.0314
0.85	306.0	0.2487	0.2245	0.0304
0.95	90.0	0.0171	0.2683	0.03
0.95	102.0	-0.5994	0.219	0.0323
0.95	114.0	0.0588	0.3141	0.03
0.95	126.0	0.1744	0.2727	0.0302
0.95	246.0	-0.0658	0.2806	0.03
0.95	270.0	0.1627	0.2243	0.0302
0.95	282.0	0.3586	0.2379	0.0308
0.95	294.0	0.1484	0.2327	0.0301
0.95	306.0	0.4775	0.2476	0.0315

CLAS Physics Database