Measurement E151M2105

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_LL
ε_L:	0.0441
Q²:	0.0415 GeV²
W:	1595.0 GeV
E_beam:	2.2596 GeV
ε:	0.8752

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.45	126.0	1.2154	0.9255	0.0846
0.45	270.0	1.7463	0.735	0.1175
0.55	126.0	1.2792	0.8634	0.0885
0.55	270.0	-0.1302	0.8103	0.0312
0.55	282.0	-1.1358	0.7854	0.0797
0.65	126.0	0.3021	0.9115	0.0359
0.65	222.0	-0.2155	0.9624	0.0331
0.75	66.0	-0.5266	0.8512	0.0455
0.75	126.0	-0.7702	0.914	0.0584
0.75	138.0	-0.6052	1.0507	0.0495
0.75	198.0	-1.6002	0.9941	0.1083
0.75	210.0	0.468	0.8788	0.0427
0.75	222.0	-0.3634	0.9345	0.0382
0.75	234.0	1.2735	0.8638	0.0881
0.75	270.0	-0.1691	0.9041	0.032
0.75	282.0	-0.5385	0.7048	0.0461
0.85	114.0	-0.9872	0.8984	0.0709
0.85	210.0	0.5381	0.9651	0.0461
0.45	282.0	1.0946	0.6799	0.105
0.55	114.0	-0.573	0.9426	0.0606
0.55	126.0	0.61	0.7935	0.0636
0.55	270.0	0.0946	0.7759	0.0312
0.65	114.0	0.463	0.9273	0.0521
0.65	138.0	-0.8792	0.9467	0.0862
0.65	210.0	-0.577	0.876	0.0609
0.65	222.0	-1.1277	0.8222	0.1079
0.75	126.0	-0.1259	1.0501	0.0322
0.75	138.0	-1.0828	1.0256	0.1039
0.75	210.0	-0.3111	0.8784	0.0414
0.75	234.0	-1.0369	0.7801	0.0999
0.75	282.0	1.4605	0.6905	0.1375
0.85	102.0	1.7712	1.1079	0.1655
0.85	114.0	-0.1767	0.9992	0.0341
0.85	126.0	-0.4762	1.0312	0.0531
0.85	210.0	1.1482	0.9359	0.1097
0.85	222.0	-1.0226	0.9659	0.0987
0.85	234.0	-1.7383	0.9007	0.1625

CLAS Physics Database