Measurement E151M734

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:	0.7003
Q²:	0.1205 GeV²
W:	1235.0 GeV
E_beam:	2.2596 GeV
ε:	0.9666

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	282.0	-0.4404	0.357
0.65	258.0	-0.1319	0.4566
0.65	270.0	1.1958	0.4404
0.65	282.0	0.5423	0.4213
0.75	258.0	-0.3004	0.3763
0.75	270.0	0.4514	0.4445
0.75	282.0	-0.2933	0.3904
0.85	90.0	0.2817	0.4782
0.85	102.0	0.5035	0.5201
0.85	114.0	-0.8416	0.3814
0.85	126.0	-0.4428	0.3816
0.85	258.0	0.8918	0.4573
0.85	270.0	-0.3006	0.4033
0.95	114.0	-0.7934	0.6803
0.95	126.0	-0.3176	0.7943
0.95	138.0	-1.2016	0.6361
0.95	150.0	0.2085	0.8101
0.45	66.0	0.2203	2.3452
0.65	270.0	-1.7835	1.7774
0.65	282.0	-0.4548	1.889
0.75	270.0	-0.9276	1.4806
0.75	282.0	-0.7123	1.9612
0.85	90.0	-4.2611	2.5107
0.85	102.0	1.0675	2.803
0.85	114.0	-2.9202	2.4314
0.85	126.0	-1.4903	2.6893
0.85	258.0	1.9681	2.5107
0.85	270.0	3.5977	2.4956
0.95	102.0	9.4303	8.4647
0.95	114.0	-3.8175	7.9697
0.95	126.0	-5.1937	7.0798
0.95	138.0	6.1798	0.9696
0.95	150.0	20.4301	8.1001
0.95	174.0	2.8801	7.872

CLAS Physics Database