Measurement E151M2854

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:	0.0362
Q²:	0.0348 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6738

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	18.0	0.1745	0.2721	0.0302
0.45	30.0	-0.36	0.2695	0.0309
0.45	42.0	0.6829	0.2141	0.033
0.55	138.0	0.0629	0.2438	0.03
0.55	150.0	-0.3061	0.2487	0.0306
0.55	222.0	-0.1689	0.2576	0.0302
0.55	234.0	0.0974	0.2448	0.0301
0.55	246.0	-0.0799	0.2871	0.03
0.65	138.0	0.2128	0.2229	0.0303
0.65	150.0	-0.006	0.2434	0.03
0.65	210.0	0.0648	0.2287	0.03
0.65	222.0	0.0412	0.2322	0.03
0.65	234.0	0.0746	0.2218	0.03
0.75	150.0	0.0569	0.2468	0.03
0.75	162.0	-0.5098	0.2589	0.0317
0.75	222.0	0.28	0.2313	0.0305
0.75	234.0	0.1402	0.212	0.0301
0.75	246.0	0.0079	0.2125	0.03
0.85	222.0	-0.4846	0.2074	0.0315
0.85	234.0	0.1651	0.2312	0.0302
0.85	246.0	-0.134	0.216	0.0301
0.35	42.0	0.2804	0.3275	0.0305
0.55	210.0	-0.1913	0.3654	0.0302
0.55	222.0	-0.3047	0.3643	0.0306
0.55	246.0	0.7001	0.262	0.0331
0.65	126.0	-0.1868	0.3544	0.0302
0.65	138.0	-0.4274	0.2873	0.0312
0.65	162.0	0.5123	0.2947	0.0317
0.65	222.0	-0.2642	0.2797	0.0305
0.65	234.0	-0.2186	0.2875	0.0303
0.65	246.0	-0.3905	0.2817	0.031
0.75	162.0	0.5957	0.2195	0.0323
0.75	210.0	-0.2493	0.3547	0.0304
0.75	222.0	0.5074	0.2376	0.0317
0.75	234.0	-0.0476	0.3089	0.03
0.75	246.0	0.1576	0.2945	0.0302
0.85	210.0	-0.2665	0.3754	0.0305
0.85	222.0	-0.1074	0.2992	0.0301
0.85	234.0	0.1889	0.3391	0.0302
0.85	246.0	0.3557	0.251	0.0308
0.85	258.0	-0.0496	0.3729	0.03

CLAS Physics Database