Measurement E151M1391

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:	0.0223
Q²:	0.0143 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6575

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.25	42.0	0.6297	0.8137	0.0771
0.25	54.0	1.4538	0.7932	0.1667
0.35	30.0	-0.0587	0.8779	0.0307
0.35	42.0	1.0435	0.6666	0.1215
0.35	54.0	-0.0449	0.55	0.0304
0.35	66.0	-0.2	0.936	0.0375
0.45	30.0	-2.0305	0.7761	0.231
0.45	42.0	-0.4426	0.6142	0.0582
0.45	54.0	-0.8692	0.5583	0.1025
0.45	66.0	-0.6583	0.7101	0.0801
0.45	222.0	-0.1585	0.8542	0.0349
0.45	234.0	-2.565	2.565	0.2908
0.45	246.0	0.3947	0.8613	0.0537
0.55	30.0	0.5403	0.8105	0.0679
0.55	42.0	-0.1421	0.7385	0.034
0.55	54.0	-1.3479	0.515	0.155
0.55	66.0	1.6205	0.7387	0.1852
0.55	150.0	-1.2538	0.81	0.1446
0.55	174.0	-0.6882	0.8919	0.0832
0.55	222.0	-0.8996	0.7307	0.1058
0.55	234.0	-1.4723	0.5666	0.1687
0.55	246.0	0.2718	0.5837	0.0429
0.55	258.0	0.7841	0.6999	0.0934
0.65	54.0	-0.203	0.9592	0.0377
0.65	150.0	-1.4115	0.6512	0.162
0.65	162.0	-0.5918	0.7349	0.0732
0.65	174.0	-1.4054	0.7629	0.1613
0.65	210.0	-1.5651	0.7906	0.1791
0.65	222.0	0.2447	0.5967	0.0408
0.65	234.0	-0.0483	0.605	0.0305
0.65	246.0	0.1464	0.5738	0.0342
0.65	258.0	-1.1238	0.7504	0.1303
0.75	30.0	-0.5696	0.8156	0.0709
0.75	138.0	0.2626	0.7689	0.0422
0.75	150.0	-0.3854	0.8988	0.0528
0.75	162.0	-0.6308	0.8532	0.0772
0.75	222.0	-0.1531	0.6141	0.0346
0.75	234.0	-0.2777	0.5606	0.0434
0.75	246.0	-0.1813	0.5455	0.0363
0.75	258.0	-0.7192	0.6554	0.0865
0.85	210.0	0.207	0.7466	0.038
0.85	222.0	-0.7328	0.59	0.0879
0.85	234.0	0.1373	0.4939	0.0338
0.85	246.0	0.6044	0.502	0.0745
0.85	258.0	-0.1825	0.6519	0.0364
0.95	246.0	-0.2783	0.664	0.0434

CLAS Physics Database