Measurement E151M3500

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:	0.4379
Q²:	0.496 GeV²
W:	1505.0 GeV
E_beam:	2.999 GeV
ε:	0.8866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.05	294.0	-0.2066	0.2781
0.15	66.0	-0.8886	0.122
0.25	294.0	-0.6799	0.1889
0.45	78.0	-0.3585	0.2642
0.45	90.0	0.1187	0.2699
0.45	102.0	0.1536	0.254
0.55	90.0	0.1164	0.2193
0.55	102.0	0.1337	0.2413
0.65	78.0	0.2391	0.2048
0.65	90.0	-0.0505	0.2162
0.65	102.0	0.328	0.2432
0.65	114.0	0.3231	0.2734
0.65	126.0	0.3033	0.2616
0.65	234.0	0.5146	0.2186
0.65	246.0	0.4045	0.2202
0.65	258.0	-0.0119	0.276
0.75	54.0	0.2114	0.2295
0.75	90.0	0.0156	0.2183
0.75	102.0	0.1276	0.2489
0.75	114.0	0.3157	0.219
0.75	222.0	0.3757	0.2149
0.75	234.0	-0.182	0.2228
0.75	246.0	-0.2181	0.2078
0.75	258.0	-0.0327	0.255
0.75	282.0	-0.0992	0.2621
0.85	54.0	0.0579	0.2257
0.85	66.0	-0.2374	0.2745
0.85	90.0	0.3576	0.188
0.85	102.0	-0.0525	0.2334
0.85	114.0	-0.4942	0.2368
0.85	210.0	-0.2129	0.27
0.85	222.0	-0.0953	0.2181
0.85	234.0	-0.4229	0.1909
0.85	246.0	-0.2156	0.2261
0.85	258.0	-0.1539	0.206
0.85	270.0	-0.2882	0.1987
0.85	282.0	-0.1039	0.2259
0.85	294.0	-0.1807	0.2086
0.85	306.0	-0.5783	0.1813
0.85	318.0	0.0319	0.2804
0.95	234.0	0.2935	0.239
0.95	246.0	-0.1548	0.2658
0.95	258.0	0.2009	0.2488
0.95	270.0	-0.0996	0.2726
0.95	294.0	-0.514	0.1881
0.95	306.0	0.0105	0.2258
0.95	318.0	0.265	0.2473
0.95	330.0	0.4891	0.1979
0.95	342.0	-0.2173	0.2439

CLAS Physics Database