Measurement E151M475

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:	0.4081
Q²:	0.0593 GeV²
W:	1235.0 GeV
E_beam:	1.9889 GeV
ε:	0.9696

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	66.0	-0.4539	0.4454
0.35	78.0	-0.2033	0.5014
0.45	66.0	0.9662	0.5229
0.45	78.0	0.1816	0.3835
0.55	78.0	-0.1381	0.3479
0.55	90.0	0.6798	0.3799
0.55	270.0	0.6685	0.5452
0.65	90.0	-0.2713	0.3745
0.65	258.0	-0.2187	0.3252
0.65	270.0	0.1734	0.3627
0.75	102.0	0.53	0.6536
0.75	114.0	0.6122	0.4949
0.75	126.0	1.3366	0.4772
0.75	234.0	-0.0177	0.491
0.75	246.0	0.3034	0.4394
0.75	258.0	-0.3662	0.2914
0.75	270.0	-0.7866	0.3453
0.85	102.0	0.4184	0.5935
0.85	114.0	0.1383	0.4165
0.85	126.0	-0.2702	0.3175
0.85	138.0	0.1514	0.3748
0.85	150.0	0.7893	0.3764
0.85	162.0	0.4867	0.4943
0.85	174.0	0.3414	0.4737
0.85	186.0	0.658	0.5041
0.85	198.0	-0.8358	0.4345
0.85	210.0	0.5282	0.5627
0.85	222.0	-0.1805	0.4648
0.85	234.0	-0.3993	0.4002
0.85	246.0	-0.5028	0.3437
0.85	258.0	-0.0694	0.4322
0.95	114.0	-0.015	0.4916
0.95	126.0	0.1505	0.405
0.95	138.0	-0.7682	0.3037
0.95	150.0	-0.3253	0.3179
0.95	162.0	-0.3416	0.3594
0.95	174.0	0.9644	0.4284
0.95	186.0	0.0537	0.4533
0.95	198.0	-0.5814	0.4123
0.95	210.0	-0.3895	0.3738

CLAS Physics Database