Measurement E151M254

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:	0.084
Q²:	0.0171 GeV²
W:	1295.0 GeV
E_beam:	1.3383 GeV
ε:	0.9216

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	-0.2414	0.4292
0.35	42.0	-0.876	0.2983
0.35	54.0	-0.2456	0.4224
0.55	234.0	0.172	0.5524
0.55	246.0	0.429	0.4448
0.55	258.0	0.3733	0.4137
0.55	270.0	-0.4945	0.4368
0.65	138.0	-0.9847	0.4489
0.65	150.0	0.6773	0.5048
0.65	162.0	1.3713	0.4796
0.65	222.0	0.4619	0.4543
0.65	234.0	0.0539	0.3984
0.65	246.0	-0.138	0.3024
0.65	258.0	-0.3194	0.2985
0.65	270.0	-0.5343	0.379
0.75	126.0	-0.2096	0.5067
0.75	138.0	-0.6403	0.4133
0.75	150.0	0.4313	0.4764
0.75	162.0	0.3782	0.4678
0.75	174.0	-0.0659	0.5272
0.75	222.0	0.266	0.4372
0.75	234.0	-0.2639	0.3039
0.75	246.0	0.4825	0.3078
0.75	258.0	0.1348	0.3479
0.75	270.0	0.7138	0.4106
0.85	138.0	0.0513	0.484
0.85	162.0	0.0217	0.4834
0.85	210.0	-0.3217	0.4553
0.85	222.0	0.056	0.4328
0.85	234.0	0.4787	0.3738
0.85	246.0	0.038	0.3465
0.85	258.0	0.2815	0.312
0.85	270.0	0.2204	0.461
0.45	42.0	-0.3264	0.7154
0.55	234.0	-0.5505	0.6418
0.55	246.0	0.1169	0.618
0.55	258.0	0.2892	0.782
0.55	270.0	0.6535	0.7845
0.65	126.0	1.18	1.0325
0.65	138.0	-0.5177	0.6458
0.65	150.0	0.5874	1.0514
0.65	162.0	0.0794	0.8591
0.65	222.0	0.0685	0.8075
0.65	234.0	-0.6855	0.3728
0.65	246.0	-0.6162	0.3578
0.65	258.0	0.5024	0.5909
0.65	270.0	0.7992	0.7401
0.75	126.0	-0.1251	0.6753
0.75	138.0	-0.2082	0.7308
0.75	150.0	-0.3982	0.58
0.75	162.0	-0.1684	0.6505
0.75	210.0	-0.0619	0.7991
0.75	222.0	0.4749	0.7862
0.75	234.0	0.1153	0.5532
0.75	246.0	-0.394	0.3867
0.75	258.0	-0.2508	0.4083
0.75	270.0	-0.6842	0.444
0.85	138.0	-0.2485	0.708
0.85	150.0	0.4802	1.0108
0.85	162.0	-0.0204	0.7151
0.85	174.0	-0.0397	0.8134
0.85	210.0	0.4488	0.7823
0.85	222.0	0.1644	0.6004
0.85	234.0	0.1054	0.4996
0.85	246.0	0.7851	0.5519
0.85	258.0	0.9003	0.8268
0.85	270.0	1.2176	0.756

CLAS Physics Database