Measurement E151M2383

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:	0.0463
Q²:	0.0844 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8627

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	102.0	-2.0988	1.0032
0.55	114.0	-0.0117	1.0109
0.55	126.0	-1.8804	0.9465
0.55	198.0	-0.4511	1.1066
0.55	258.0	-0.2703	1.071
0.55	270.0	-1.3692	0.9379
0.65	114.0	0.2305	1.0569
0.65	126.0	0.0407	0.8652
0.65	138.0	-1.8796	1.036
0.65	174.0	-0.3806	1.1424
0.65	186.0	-0.422	1.0853
0.65	198.0	-1.6948	0.9887
0.65	210.0	1.4435	0.92
0.65	270.0	2.4054	0.7815
0.65	282.0	-0.2813	0.9057
0.75	90.0	0.6672	1.1008
0.75	102.0	0.0766	1.0622
0.75	114.0	2.5609	0.6361
0.75	126.0	-0.702	1.1203
0.75	186.0	-0.0852	0.9031
0.75	198.0	-1.0443	0.7891
0.75	210.0	-1.8976	0.9672
0.75	222.0	-0.2156	0.8823
0.75	234.0	1.514	0.8676
0.75	270.0	0.6518	0.7728
0.75	282.0	-0.6519	0.8086
0.85	90.0	-1.3744	1.1249
0.85	102.0	-0.437	0.6949
0.85	114.0	-0.4043	0.696
0.85	126.0	-1.116	0.9598
0.85	138.0	0.6601	1.0635
0.85	174.0	0.3269	0.9729
0.85	186.0	0.2642	0.7464
0.85	198.0	-0.8937	0.7924
0.85	210.0	-1.442	0.7224
0.85	222.0	-0.9616	0.7287
0.85	234.0	-0.3655	0.9597
0.85	270.0	0.3945	0.8618
0.85	282.0	0.3344	1.0061
0.95	198.0	0.5183	1.0299
0.95	210.0	0.1495	0.9008

CLAS Physics Database