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	syst. uncert.
0.35	282.0	-0.0158	0.8333	0.03
0.45	282.0	-0.2351	0.6615	0.033
0.45	294.0	-1.3279	0.6897	0.0828
0.55	282.0	-0.5549	0.6772	0.0441
0.65	270.0	0.5896	0.6482	0.0456
0.65	282.0	-1.1361	0.4408	0.0726
0.65	294.0	-0.4964	0.7782	0.0416
0.75	270.0	0.5085	0.6468	0.0421
0.75	282.0	-1.4819	0.3268	0.0912
0.95	102.0	1.0942	0.5173	0.0703
0.95	138.0	0.1358	0.6642	0.031
0.95	162.0	0.0179	0.751	0.03
0.35	294.0	-0.3925	0.5791	0.0381
0.45	282.0	0.863	0.5819	0.0598
0.55	270.0	-0.3401	0.6151	0.0363
0.55	282.0	0.0024	0.4906	0.03
0.55	294.0	0.1887	0.5419	0.0321
0.65	270.0	0.4821	0.5873	0.0417
0.65	282.0	0.2115	0.6144	0.0326
0.75	270.0	-0.6261	0.5701	0.048
0.75	294.0	0.3688	0.5614	0.0373
0.85	114.0	0.0567	0.6839	0.0302
0.95	90.0	0.9634	0.5249	0.0651
0.95	102.0	1.0034	0.495	0.0672
0.95	114.0	-0.0507	0.4658	0.0302

CLAS Physics Database