Measurement E151M2812

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:	0.0228
Q²:	0.0143 GeV²
W:	1475.0 GeV
E_beam:	1.3383 GeV
ε:	0.773

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	42.0	0.24	0.3207	0.0304
0.45	222.0	0.3498	0.3086	0.0308
0.45	234.0	-0.6119	0.1217	0.0336
0.55	18.0	-0.3381	0.3266	0.0308
0.55	30.0	-0.0591	0.1991	0.0301
0.55	42.0	0.3672	0.1468	0.0318
0.55	54.0	-0.1297	0.4408	0.0301
0.55	126.0	-0.1323	0.1997	0.0303
0.55	138.0	0.0763	0.166	0.0302
0.55	150.0	-0.0586	0.4028	0.03
0.55	210.0	0.2772	0.1837	0.031
0.55	222.0	-0.0139	0.1775	0.0304
0.55	234.0	0.1795	0.161	0.0302
0.55	246.0	-0.5756	0.1349	0.0333
0.65	126.0	0.2623	0.1979	0.0305
0.65	138.0	0.0636	0.1855	0.03
0.65	150.0	-0.0739	0.175	0.0303
0.65	162.0	0.5447	0.2544	0.0319
0.65	210.0	-0.3752	0.1352	0.0319
0.65	222.0	-0.2447	0.1788	0.0313
0.65	234.0	0.2883	0.1571	0.0307
0.65	246.0	0.0389	0.1988	0.03
0.75	126.0	-0.2224	0.3893	0.0303
0.75	138.0	0.0967	0.2248	0.0301
0.75	150.0	0.4864	0.2177	0.0315
0.75	210.0	-0.0395	0.1982	0.0303
0.75	222.0	0.1132	0.1456	0.0301
0.75	234.0	0.0153	0.1494	0.0304
0.75	246.0	-0.5444	0.1475	0.0319
0.85	126.0	-0.0457	0.22	0.0301
0.85	150.0	0.0087	0.2664	0.03
0.85	210.0	0.1281	0.1854	0.0302
0.85	222.0	-0.3964	0.1692	0.0314
0.85	234.0	-0.1906	0.1605	0.0304
0.85	246.0	0.2537	0.1882	0.0316

CLAS Physics Database