Measurement E151M490

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:	0.3833
Q²:	0.0707 GeV²
W:	1265.0 GeV
E_beam:	1.9889 GeV
ε:	0.9615

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	306.0	0.7534	0.5653
0.25	66.0	0.4493	0.5121
0.25	78.0	0.7052	0.6079
0.25	294.0	0.0593	0.5134
0.25	306.0	0.3641	0.4024
0.35	66.0	0.5845	0.3889
0.35	78.0	-0.2908	0.3106
0.35	294.0	0.3217	0.4912
0.35	306.0	-0.692	0.4223
0.45	66.0	0.4975	0.348
0.45	78.0	0.1333	0.2896
0.45	90.0	-0.1843	0.4273
0.45	270.0	-0.2192	0.5455
0.45	282.0	0.6049	0.4593
0.45	294.0	-0.1065	0.427
0.55	66.0	-0.4766	0.5436
0.55	78.0	0.1516	0.281
0.55	90.0	-0.2868	0.3418
0.55	258.0	-0.699	0.4014
0.55	270.0	-0.4942	0.333
0.55	282.0	-0.0214	0.447
0.65	78.0	0.499	0.4242
0.65	90.0	-0.2552	0.3504
0.65	102.0	-0.7363	0.4112
0.65	114.0	0.3316	0.6121
0.65	246.0	-0.3042	0.4352
0.65	258.0	-0.1452	0.2854
0.65	270.0	-0.3305	0.2546
0.65	282.0	-0.3098	0.2896
0.75	90.0	0.4679	0.5806
0.75	102.0	-0.2461	0.3388
0.75	114.0	-0.0591	0.3838
0.75	126.0	0.1927	0.4327
0.75	138.0	0.0819	0.5051
0.75	234.0	-0.1658	0.3725
0.75	246.0	0.0129	0.2916
0.75	258.0	-0.2238	0.2523
0.75	270.0	0.9224	0.2787
0.75	282.0	0.1047	0.3791
0.85	90.0	-0.1532	0.5124
0.85	102.0	0.4084	0.3921
0.85	114.0	0.2362	0.3357
0.85	126.0	0.4374	0.3311
0.85	138.0	1.0365	0.3232
0.85	150.0	0.2283	0.4016
0.85	162.0	-0.4928	0.3082
0.85	174.0	0.179	0.4262
0.85	186.0	0.8206	0.5558
0.85	198.0	-0.1525	0.5656
0.85	210.0	0.605	0.5829
0.85	222.0	-0.0465	0.3891
0.85	234.0	-0.235	0.3625
0.85	246.0	0.0366	0.303
0.85	258.0	0.1766	0.2842
0.85	270.0	0.3865	0.3349
0.95	102.0	0.2564	0.541
0.95	114.0	-0.1146	0.3712
0.95	126.0	0.2921	0.3344
0.95	138.0	-0.4114	0.2954
0.95	150.0	0.4915	0.3567
0.95	162.0	0.4949	0.3393
0.95	174.0	0.1801	0.3638
0.95	186.0	0.0715	0.3795
0.95	198.0	-0.058	0.4188
0.95	210.0	-0.1076	0.3861
0.95	222.0	0.0003	0.4155
0.95	234.0	0.9101	0.4993
0.95	246.0	-0.2847	0.4683
0.95	258.0	0.3485	0.4271

CLAS Physics Database