Measurement E151M387

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:	0.019
Q²:	0.0143 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.7348

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	42.0	-0.1562	0.7921
0.45	138.0	-0.0214	0.9581
0.45	222.0	0.939	1.0165
0.55	30.0	-1.2077	0.4261
0.55	42.0	0.8994	0.8888
0.55	150.0	-1.3263	0.4733
0.55	210.0	-0.9017	0.5061
0.55	222.0	0.3725	0.7594
0.55	234.0	1.3879	1.2469
0.55	246.0	-0.0083	0.8495
0.65	42.0	1.9829	1.0687
0.65	138.0	-0.8749	0.601
0.65	150.0	-0.13	0.8097
0.65	198.0	-0.4187	0.8409
0.65	222.0	-0.0931	0.609
0.65	234.0	0.0989	0.6625
0.65	246.0	1.0695	0.9485
0.75	198.0	0.3323	0.8943
0.75	210.0	0.5817	1.0451
0.75	222.0	-0.5001	0.6906
0.75	234.0	0.28	0.6545
0.75	246.0	2.2207	2.2207
0.85	210.0	1.1681	1.2869
0.85	222.0	-0.9759	0.4481
0.85	234.0	-0.51	0.5427
0.85	246.0	1.1065	1.2414
0.35	30.0	-0.1129	0.625
0.35	42.0	0.8809	0.6297
0.45	30.0	-0.2452	0.5677
0.45	54.0	1.4088	0.5573
0.45	222.0	0.1012	0.5468
0.45	234.0	1.2439	0.5258
0.55	18.0	-0.0188	0.6216
0.55	42.0	0.2703	0.5217
0.55	126.0	-1.181	0.5361
0.55	138.0	-0.5966	0.5082
0.55	150.0	1.0508	0.5651
0.55	162.0	-0.5977	0.5897
0.55	210.0	0.3347	0.4918
0.55	222.0	0.6773	0.5001
0.55	234.0	0.1181	0.5153
0.55	246.0	1.201	0.5412
0.65	126.0	0.5647	0.5805
0.65	138.0	-0.0033	0.5557
0.65	150.0	-0.6946	0.5114
0.65	162.0	-0.5981	0.5631
0.65	210.0	0.1316	0.5448
0.65	222.0	0.4233	0.4916
0.65	234.0	1.5903	0.3992
0.65	246.0	0.3441	0.5476
0.75	138.0	0.3046	0.6251
0.75	210.0	-0.2159	0.5075
0.75	222.0	0.7375	0.467
0.75	234.0	0.5832	0.4671
0.85	138.0	-0.6679	0.5443
0.85	222.0	1.3228	0.4481
0.85	234.0	0.3911	0.507

CLAS Physics Database