Measurement E151M488

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:	0.2851
Q²:	0.0496 GeV²
W:	1265.0 GeV
E_beam:	1.9889 GeV
ε:	0.9664

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	306.0	0.6023	0.5042
0.25	78.0	0.2095	0.6145
0.25	294.0	0.1129	0.5151
0.25	306.0	0.6069	0.4602
0.35	66.0	0.2849	0.3992
0.35	78.0	-0.5347	0.2885
0.35	294.0	0.3633	0.4016
0.35	306.0	-0.0492	0.4257
0.45	66.0	0.4866	0.4146
0.45	78.0	0.0817	0.2678
0.45	90.0	0.2729	0.3661
0.45	270.0	-0.5513	0.5127
0.45	282.0	-0.6129	0.3718
0.45	294.0	0.262	0.4814
0.55	66.0	-0.337	0.5808
0.55	78.0	0.02	0.295
0.55	90.0	0.0012	0.2961
0.55	102.0	-0.0551	0.4988
0.55	258.0	-0.0732	0.3703
0.55	270.0	-0.2394	0.3384
0.55	282.0	-0.1513	0.3594
0.55	294.0	1.3007	0.692
0.65	78.0	0.4107	0.4353
0.65	90.0	0.2745	0.3554
0.65	102.0	-0.4119	0.4413
0.65	114.0	0.4535	0.523
0.65	234.0	-0.8525	0.4274
0.65	246.0	0.1318	0.3462
0.65	258.0	0.0284	0.2888
0.65	270.0	-0.0814	0.2989
0.65	282.0	0.4122	0.4106
0.75	90.0	0.2665	0.6042
0.75	102.0	-0.1715	0.4488
0.75	114.0	0.1504	0.3845
0.75	126.0	0.2637	0.3529
0.75	138.0	-0.4474	0.3041
0.75	150.0	-0.4389	0.4301
0.75	222.0	0.4676	0.5247
0.75	234.0	0.0652	0.3428
0.75	246.0	0.1404	0.3014
0.75	258.0	0.2928	0.2686
0.75	270.0	-0.1655	0.2977
0.75	282.0	-0.6915	0.4258
0.85	102.0	0.2781	0.5119
0.85	114.0	-0.2375	0.3044
0.85	126.0	-0.2551	0.273
0.85	138.0	0.4824	0.3205
0.85	150.0	0.7354	0.3605
0.85	162.0	0.5397	0.4319
0.85	174.0	-0.0678	0.3881
0.85	186.0	-0.0838	0.5038
0.85	198.0	0.023	0.5919
0.85	210.0	0.3562	0.598
0.85	222.0	0.3619	0.391
0.85	234.0	-0.255	0.3209
0.85	246.0	0.0361	0.2842
0.85	258.0	-0.2128	0.2694
0.85	270.0	-0.1843	0.4402
0.95	126.0	0.695	0.4766
0.95	138.0	-0.0965	0.3832
0.95	150.0	0.0044	0.3795
0.95	162.0	-0.1471	0.3352
0.95	174.0	0.2761	0.4119
0.95	186.0	0.013	0.4724
0.95	222.0	-0.0579	0.4389
0.95	234.0	0.3701	0.5008

CLAS Physics Database