Measurement E151M1031

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:	0.5084
Q²:	0.4155 GeV²
W:	1445.0 GeV
E_beam:	2.999 GeV
ε:	0.9154

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	54.0	-1.3241	0.5636
0.15	66.0	0.1609	0.8495
0.15	294.0	-0.8189	0.6486
0.25	66.0	0.5748	0.8942
0.25	294.0	0.273	0.7031
0.35	294.0	-0.4896	0.7156
0.45	90.0	1.0439	0.8673
0.55	78.0	0.1188	0.6023
0.55	90.0	-0.3104	0.5793
0.55	102.0	-0.5047	0.5684
0.55	114.0	0.1922	0.7735
0.65	78.0	0.351	0.5502
0.65	90.0	-0.7513	0.5251
0.65	102.0	-0.7417	0.5517
0.65	114.0	-0.3975	0.6492
0.65	234.0	1.4379	0.9724
0.65	246.0	0.5247	0.881
0.65	258.0	-0.0928	0.65
0.65	270.0	-0.1914	0.6229
0.65	282.0	0.1539	0.7961
0.75	54.0	-0.3173	0.5395
0.75	78.0	0.1324	0.539
0.75	90.0	0.1275	0.5432
0.75	102.0	-0.1343	0.5548
0.75	114.0	1.042	0.6806
0.75	126.0	-1.089	0.5916
0.75	234.0	-0.3594	0.6415
0.75	246.0	0.847	0.7026
0.75	258.0	-0.1108	0.5244
0.75	270.0	0.0399	0.5068
0.75	282.0	-0.3424	0.574
0.75	294.0	-0.5665	0.6527
0.85	54.0	0.2087	0.7455
0.85	78.0	-0.6636	0.6737
0.85	90.0	0.509	0.5845
0.85	102.0	-0.2298	0.5488
0.85	114.0	2.8582	2.8582
0.85	198.0	0.9623	0.9537
0.85	210.0	0.0793	0.7505
0.85	222.0	0.3312	0.7392
0.85	234.0	-1.0134	0.5193
0.85	246.0	0.3296	0.6195
0.85	258.0	0.4807	0.6698
0.85	270.0	0.3119	0.5239
0.85	282.0	-0.2658	0.4376
0.85	294.0	0.3301	0.5273
0.85	306.0	0.3369	0.5393
0.85	318.0	0.0615	0.5266
0.95	234.0	0.2592	0.6858
0.95	258.0	0.3079	0.6027
0.95	282.0	0.1572	0.5845
0.95	294.0	-0.5969	0.4683
0.95	306.0	-0.3289	0.5102
0.95	318.0	-0.2138	0.4736
0.95	330.0	0.0643	0.5498
0.95	342.0	-0.1744	0.6389

CLAS Physics Database