Measurement E151M1569

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:	0.0194
Q²:	0.0101 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.8102

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	222.0	-0.3813	0.8818	0.0377
0.55	234.0	-0.6063	0.5654	0.0472
0.65	138.0	1.4145	0.9502	0.0875
0.65	222.0	-1.8916	0.8937	0.1173
0.65	234.0	-0.4303	0.6555	0.0566
0.75	162.0	-2.2388	0.7507	0.1336
0.75	222.0	0.8579	1.2275	0.0582
0.75	234.0	1.6879	0.6472	0.1026
0.85	210.0	-0.12	1.0713	0.0308
0.85	222.0	-0.5907	0.9295	0.0456
0.85	234.0	0.9248	0.8762	0.0616
0.65	246.0	-1.3614	0.7459	0.0869
0.75	234.0	1.0022	0.7121	0.0671
0.75	246.0	-0.2963	0.9413	0.0349
0.85	234.0	0.2006	0.8445	0.0323

CLAS Physics Database