Measurement E151M3454

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:	0.7085
Q²:	0.5925 GeV²
W:	1385.0 GeV
E_beam:	2.999 GeV
ε:	0.9026

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	78.0	0.3183	0.2291	0.0307
0.55	90.0	0.3985	0.2459	0.031
0.55	270.0	-0.1787	0.2639	0.0302
0.65	78.0	0.219	0.2664	0.0303
0.65	90.0	-0.435	0.2377	0.0312
0.65	102.0	0.3972	0.2588	0.031
0.65	258.0	-0.5055	0.2286	0.0317
0.75	78.0	0.2922	0.2557	0.0306
0.75	90.0	0.2362	0.2187	0.0304
0.75	102.0	-0.189	0.2678	0.0302
0.75	258.0	0.0992	0.2863	0.0301
0.75	282.0	-0.4111	0.252	0.0311
0.75	294.0	0.2333	0.2433	0.0304
0.85	78.0	-0.0111	0.2804	0.03
0.85	90.0	-0.0834	0.267	0.03
0.85	102.0	-0.0226	0.2641	0.03
0.85	114.0	0.0898	0.2651	0.0301
0.85	222.0	-0.4307	0.2455	0.0312
0.85	234.0	0.1182	0.2527	0.0301
0.85	246.0	-0.2561	0.2407	0.0304
0.85	270.0	-0.5582	0.2021	0.032
0.85	282.0	0.0361	0.2175	0.03
0.85	294.0	0.1561	0.2392	0.0302
0.85	306.0	-0.0747	0.2332	0.03
0.85	318.0	0.0715	0.2509	0.03
0.85	330.0	0.1736	0.2622	0.0302
0.95	222.0	-0.3943	0.2472	0.031
0.95	258.0	-0.1258	0.2677	0.0301
0.95	270.0	0.0754	0.239	0.03
0.95	282.0	-0.0671	0.2673	0.03

CLAS Physics Database