Measurement E151M1425

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:	0.3169
Q²:	0.0348 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.951

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.45	282.0	1.192	0.3139	0.0764
0.55	258.0	0.0704	0.6056	0.0303
0.55	270.0	0.1733	0.3478	0.0317
0.55	282.0	-0.3157	0.3947	0.0354
0.65	246.0	0.5512	0.5158	0.0446
0.65	258.0	0.5434	0.3542	0.0448
0.65	270.0	0.2828	0.2738	0.0363
0.65	282.0	-0.1382	0.345	0.0571
0.75	138.0	-1.1792	0.5984	0.0748
0.75	234.0	-1.7375	1.7375	0.1054
0.75	246.0	-0.4934	0.3684	0.0695
0.75	258.0	0.0989	0.3272	0.0308
0.75	270.0	0.3261	0.3735	0.0375
0.85	138.0	0.4817	0.6582	0.041
0.85	150.0	0.6997	0.5436	0.0506
0.85	162.0	-0.0386	0.5938	0.0301
0.85	174.0	0.5623	0.5836	0.0444
0.85	186.0	1.2651	0.3495	0.0794
0.85	198.0	0.2651	0.676	0.0337
0.85	210.0	-0.2619	0.7737	0.0336
0.85	222.0	-0.9289	0.5202	0.0618
0.85	258.0	0.4755	0.7096	0.0408
0.95	162.0	0.2147	0.6001	0.0325
0.95	210.0	-0.6784	0.5051	0.0496
0.75	282.0	-0.0901	0.6097	0.0305
0.85	126.0	0.2021	0.6251	0.0324
0.85	138.0	-0.7972	0.5388	0.0564
0.85	150.0	-0.0703	0.4386	0.0303
0.85	162.0	-0.0209	0.4346	0.03
0.85	174.0	0.2506	0.409	0.0335
0.85	186.0	-0.8088	0.4894	0.057
0.85	198.0	0.1503	0.4011	0.0313
0.85	210.0	0.6885	0.5146	0.051
0.85	234.0	-0.7479	0.4826	0.0539
0.85	246.0	0.1412	0.5889	0.0312

CLAS Physics Database