Measurement E151M1513

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:	0.0476
Q²:	0.0143 GeV²
W:	1355.0 GeV
E_beam:	1.3383 GeV
ε:	0.8862

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	42.0	-0.8722	0.925
0.55	222.0	-0.6073	0.7912
0.55	234.0	-0.2946	0.6151
0.55	246.0	0.1473	0.6041
0.55	258.0	1.3207	0.6428
0.65	138.0	0.9168	0.721
0.65	150.0	-0.0512	0.7812
0.65	162.0	0.7173	0.7544
0.65	210.0	0.3027	0.8756
0.65	222.0	-0.221	0.6473
0.65	234.0	-1.1411	0.5421
0.65	246.0	-0.4815	0.6936
0.65	258.0	-1.3153	0.6377
0.75	126.0	0.8364	0.7584
0.75	138.0	0.2423	0.6736
0.75	150.0	0.6035	0.6013
0.75	210.0	-0.6646	0.8488
0.75	222.0	0.3682	0.7239
0.75	234.0	-1.3681	0.5192
0.75	246.0	0.4487	0.5963
0.75	258.0	0.1106	0.6321
0.85	222.0	-0.7266	0.7044
0.85	234.0	-0.6157	0.6104
0.85	246.0	-0.3816	0.5113
0.85	258.0	-0.6618	0.7458
0.35	42.0	-0.5731	0.9743
0.45	42.0	-1.7048	0.7123
0.55	234.0	-1.4284	0.8063
0.55	246.0	0.0141	0.979
0.65	138.0	1.5926	0.7844
0.65	150.0	1.2269	0.9233
0.65	222.0	-0.7381	0.7661
0.65	234.0	0.7715	0.6991
0.65	246.0	-0.1649	0.8921
0.75	126.0	0.0847	1.1045
0.75	138.0	-0.3597	1.0614
0.75	150.0	-0.3425	1.0017
0.75	222.0	0.4385	0.7469
0.75	234.0	0.3593	0.6045
0.75	246.0	0.552	0.765
0.75	258.0	1.6067	0.6237
0.85	222.0	0.4694	0.9815
0.85	234.0	-0.5709	0.6263
0.85	246.0	-0.0664	0.7695
0.85	258.0	-1.2079	0.6133

CLAS Physics Database