Measurement E151M70

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:	0.1282
Q²:	0.0291 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8517

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	0.2411	0.7466
0.25	42.0	-0.5911	0.628
0.25	54.0	-0.7361	0.5783
0.35	30.0	-0.4942	0.6828
0.35	42.0	0.7404	0.7046
0.35	54.0	1.4632	0.8413
0.45	30.0	0.5965	0.5899
0.45	42.0	1.1883	0.4626
0.45	54.0	0.504	0.7225
0.45	258.0	0.4721	0.6619
0.45	270.0	-0.0683	0.6231
0.55	42.0	-0.0752	0.6596
0.55	54.0	0.7231	0.774
0.55	234.0	0.7931	0.5713
0.55	246.0	0.9026	0.4812
0.55	258.0	0.6366	0.4295
0.55	270.0	-0.2522	0.4042
0.65	138.0	0.0783	0.6724
0.65	150.0	1.5469	0.7119
0.65	162.0	0.6988	0.7876
0.65	174.0	-0.314	0.6718
0.65	222.0	0.4925	0.5935
0.65	234.0	0.2244	0.4833
0.65	246.0	-0.2262	0.3297
0.65	258.0	0.5248	0.347
0.65	270.0	0.0829	0.4098
0.65	282.0	0.436	0.5126
0.75	126.0	-0.2517	0.7205
0.75	138.0	-0.2993	0.5002
0.75	150.0	0.5938	0.5013
0.75	162.0	0.7451	0.4418
0.75	174.0	0.4008	0.4518
0.75	186.0	-0.4775	0.5477
0.75	198.0	-0.6278	0.5629
0.75	210.0	1.11	0.678
0.75	222.0	0.1884	0.5357
0.75	234.0	-0.1893	0.3699
0.75	246.0	-0.3097	0.337
0.75	258.0	0.0967	0.3625
0.75	270.0	-0.1996	0.351
0.75	282.0	-0.0899	0.5481
0.85	126.0	-0.1526	0.696
0.85	138.0	-0.2773	0.5069
0.85	150.0	-0.0886	0.512
0.85	162.0	-0.1442	0.579
0.85	174.0	-0.454	0.5916
0.85	186.0	-0.5057	0.5011
0.85	198.0	0.7966	0.5994
0.85	222.0	0.2024	0.5598
0.85	234.0	-0.4678	0.3974
0.85	246.0	0.7329	0.3232
0.85	258.0	0.2157	0.3321
0.85	270.0	0.428	0.4354
0.85	282.0	-0.6445	0.5593
0.95	138.0	0.0799	0.575

CLAS Physics Database