Measurement E151M205

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_UL
ε_L:	0.4272
Q²:	0.0496 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9438

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	282.0	0.1772	0.4525
0.55	270.0	-0.4107	0.2782
0.55	282.0	-0.1204	0.3399
0.65	258.0	-0.4011	0.2963
0.65	270.0	-0.2557	0.2606
0.65	282.0	-0.3104	0.2884
0.75	258.0	-0.1641	0.3036
0.75	270.0	-0.0302	0.3003
0.85	114.0	-0.6857	0.4814
0.85	126.0	0.4224	0.3894
0.85	138.0	0.0729	0.3284
0.85	150.0	0.489	0.3468
0.85	162.0	-0.2266	0.254
0.85	174.0	-0.3532	0.3027
0.85	186.0	-0.7316	0.3031
0.85	198.0	0.0246	0.3195
0.85	210.0	-0.4409	0.3341
0.95	138.0	0.3307	0.409
0.95	150.0	-0.2106	0.3442
0.95	162.0	0.6165	0.4034
0.95	174.0	0.0894	0.3403
0.95	186.0	-0.1384	0.3685
0.95	198.0	-0.6142	0.3499
0.85	270.0	-0.7717	0.3567
0.95	138.0	-0.0579	0.4705
0.95	150.0	0.7218	0.6871
0.95	162.0	0.0717	0.5236
0.95	174.0	0.2321	0.5934
0.95	186.0	-0.8205	0.2599
0.95	198.0	2.1328	2.1328

CLAS Physics Database