Measurement E151M2750

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:	0.4054
Q²:	0.205 GeV²
W:	1355.0 GeV
E_beam:	1.3383 GeV
ε:	0.7564

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	126.0	0.4135	0.304	0.0311
0.75	138.0	0.234	0.4038	0.0304
0.75	234.0	-0.2977	0.3455	0.0306
0.75	270.0	-0.1176	0.3248	0.0301
0.85	126.0	-0.0078	0.4154	0.03
0.85	234.0	0.7495	0.1766	0.0335
0.85	258.0	0.3494	0.2928	0.0308
0.85	270.0	-0.4008	0.3001	0.0311
0.85	294.0	-0.1507	0.3591	0.0302
0.95	126.0	0.0106	0.4097	0.03
0.95	294.0	0.1443	0.3417	0.0301
0.65	270.0	-0.4039	0.2352	0.0311
0.65	282.0	0.1617	0.2651	0.0302
0.75	138.0	-0.1738	0.2667	0.0302
0.75	246.0	-0.4923	0.2228	0.0316
0.75	258.0	-0.0168	0.2305	0.03
0.75	270.0	-0.1147	0.248	0.0301
0.85	114.0	0.1307	0.2719	0.0301
0.85	126.0	-0.1814	0.2573	0.0302
0.85	138.0	-0.2649	0.2626	0.0305
0.85	150.0	-0.5896	0.2538	0.0322
0.85	258.0	-0.0045	0.2433	0.03
0.85	270.0	0.1496	0.2521	0.0301
0.85	282.0	-0.1515	0.25	0.0302
0.85	294.0	0.1885	0.2736	0.0302
0.95	78.0	0.315	0.2727	0.0307

CLAS Physics Database