Measurement E151M3420

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:	0.9758
Q²:	0.496 GeV²
W:	1295.0 GeV
E_beam:	2.999 GeV
ε:	0.9334

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	282.0	0.353	0.2387
0.55	66.0	-0.0981	0.2876
0.55	78.0	0.2888	0.2386
0.55	90.0	0.1775	0.2439
0.55	270.0	-0.2417	0.2733
0.55	294.0	0.0863	0.2746
0.65	66.0	0.2286	0.241
0.65	78.0	-0.1621	0.2317
0.65	90.0	0.1059	0.2216
0.65	102.0	-0.2324	0.2304
0.65	270.0	-0.0361	0.2526
0.65	282.0	0.0633	0.2177
0.65	294.0	0.05	0.2369
0.65	306.0	0.3138	0.2392
0.75	66.0	0.4437	0.2147
0.75	78.0	0.2787	0.2155
0.75	90.0	-0.0132	0.2189
0.75	102.0	-0.3823	0.2619
0.75	258.0	-0.0298	0.2711
0.75	270.0	0.0418	0.2266
0.75	282.0	-0.3612	0.2178
0.75	294.0	-0.2158	0.2236
0.75	306.0	0.1661	0.2158
0.75	318.0	-0.1266	0.2479
0.85	54.0	0.475	0.2198
0.85	66.0	-0.3176	0.1989
0.85	78.0	-0.0934	0.218
0.85	90.0	-0.016	0.2338
0.85	102.0	-0.1078	0.2382
0.85	114.0	0.1423	0.2627
0.85	246.0	0.0463	0.2654
0.85	258.0	0.3251	0.1908
0.85	270.0	0.2388	0.1867
0.85	282.0	-0.0703	0.2113
0.85	294.0	-0.0016	0.2304
0.85	306.0	-0.0082	0.2276
0.85	318.0	-0.002	0.2461
0.85	330.0	0.0753	0.253
0.95	78.0	0.2725	0.243
0.95	258.0	0.1379	0.2559
0.95	306.0	0.1156	0.2187

CLAS Physics Database