Measurement E151M1653

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:	0.0474
Q²:	0.0593 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6024

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	138.0	-0.8362	0.9853	0.0584
0.55	150.0	0.9724	0.9455	0.0656
0.55	222.0	-0.4077	0.8779	0.0387
0.65	126.0	0.3661	0.9799	0.0372
0.65	222.0	-0.5391	0.9171	0.0441
0.65	234.0	0.0043	1.0673	0.03
0.75	150.0	0.0842	0.8806	0.0304
0.75	222.0	0.0772	0.9663	0.0304
0.75	234.0	-0.1066	0.9869	0.0307
0.75	246.0	-0.9466	0.8102	0.0642
0.85	138.0	-0.7085	0.9319	0.052
0.85	234.0	-0.4419	0.8476	0.04
0.85	246.0	0.3219	0.8568	0.0357
0.55	234.0	0.1507	1.2447	0.0313
0.65	222.0	0.7569	1.1684	0.0533
0.65	234.0	-2.2372	0.8836	0.1335
0.75	150.0	1.6998	1.2495	0.1033
0.75	234.0	1.6445	0.9752	0.1002
0.75	246.0	-0.8126	0.8938	0.056
0.85	222.0	0.8259	0.9256	0.0566
0.85	234.0	-0.7214	1.2069	0.0516
0.85	246.0	-1.6418	0.7495	0.1001

CLAS Physics Database