Measurement E151M1434

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:	0.9638
Q²:	0.1715 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.8813

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	282.0	-0.0158	0.8333
0.45	282.0	-0.2351	0.6615
0.45	294.0	-1.3279	0.6897
0.55	282.0	-0.5549	0.6772
0.65	270.0	0.5896	0.6482
0.65	282.0	-1.1361	0.4408
0.65	294.0	-0.4964	0.7782
0.75	270.0	0.5085	0.6468
0.75	282.0	-1.4819	0.3268
0.95	102.0	1.0942	0.5173
0.95	138.0	0.1358	0.6642
0.95	162.0	0.0179	0.751
0.35	294.0	-0.3925	0.5791
0.45	282.0	0.863	0.5819
0.55	270.0	-0.3401	0.6151
0.55	282.0	0.0024	0.4906
0.55	294.0	0.1887	0.5419
0.65	270.0	0.4821	0.5873
0.65	282.0	0.2115	0.6144
0.75	270.0	-0.6261	0.5701
0.75	294.0	0.3688	0.5614
0.85	114.0	0.0567	0.6839
0.95	90.0	0.9634	0.5249
0.95	102.0	1.0034	0.495
0.95	114.0	-0.0507	0.4658

CLAS Physics Database