Measurement E151M1389

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:	0.0159
Q²:	0.0101 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6631

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	42.0	-1.5987	0.5543
0.35	54.0	-0.8894	0.6854
0.45	30.0	0.6139	0.7674
0.45	42.0	-1.0706	0.6724
0.45	54.0	-0.219	0.6072
0.45	66.0	-0.5419	0.8653
0.45	222.0	1.0077	0.7107
0.45	234.0	-0.9363	0.7228
0.45	246.0	-0.0098	0.8147
0.55	30.0	-1.4471	0.7366
0.55	42.0	0.1212	0.7933
0.55	54.0	-1.1284	0.6579
0.55	150.0	-0.4215	0.8293
0.55	162.0	-2.1219	0.6715
0.55	210.0	-1.7324	0.7731
0.55	222.0	0.8416	0.6402
0.55	234.0	-0.4723	0.6565
0.55	246.0	-0.7377	0.6836
0.65	42.0	0.0905	0.8612
0.65	150.0	0.3148	0.8326
0.65	162.0	1.3671	0.6984
0.65	174.0	-0.652	0.747
0.65	210.0	-1.1756	0.6753
0.65	222.0	-0.965	0.5663
0.65	234.0	0.0192	0.5771
0.65	246.0	-0.6973	0.5687
0.65	258.0	-0.3266	0.7885
0.75	222.0	0.0949	0.5221
0.75	234.0	0.4651	0.5496
0.75	246.0	-0.1876	0.663
0.75	258.0	1.4681	0.6677
0.85	210.0	0.7906	0.7872
0.85	222.0	-0.8817	0.6863
0.85	234.0	-0.3637	0.5793
0.85	246.0	-0.3364	0.6112

CLAS Physics Database