Measurement E151M2348

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_LL
ε_L:	0.1353
Q²:	0.205 GeV²
W:	1685.0 GeV
E_beam:	2.999 GeV
ε:	0.8773

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	66.0	0.1519	0.8236
0.25	282.0	-1.0416	0.7098
0.35	270.0	0.2943	0.7293
0.35	282.0	0.9405	0.8057
0.45	114.0	0.0882	0.8014
0.45	270.0	-0.1081	0.6944
0.45	282.0	-0.9071	0.7284
0.55	90.0	-0.0271	0.8329
0.55	102.0	-0.1803	0.6816
0.55	114.0	-0.1715	0.6948
0.55	126.0	-0.5082	0.8084
0.55	210.0	1.1359	0.7417
0.55	234.0	-0.4514	0.8275
0.55	258.0	-0.1746	0.8649
0.55	270.0	0.2482	0.7225
0.65	102.0	-0.3971	0.6414
0.65	114.0	-0.2473	0.5973
0.65	126.0	0.1833	0.5882
0.65	138.0	0.5925	0.7806
0.65	186.0	-0.636	0.8332
0.65	198.0	-0.7491	0.6733
0.65	210.0	1.2307	0.6889
0.65	222.0	-1.2925	0.671
0.65	234.0	0.0948	0.6906
0.65	258.0	0.0258	0.9227
0.65	282.0	0.0815	0.7128
0.65	294.0	-0.5511	0.6175
0.75	78.0	0.0014	0.6899
0.75	90.0	-0.2047	0.6936
0.75	102.0	1.5008	0.7691
0.75	114.0	0.4293	0.6261
0.75	126.0	0.2916	0.6342
0.75	186.0	-0.0595	0.8522
0.75	198.0	-1.6326	0.5753
0.75	210.0	-0.1588	0.7
0.75	222.0	-0.3584	0.7231
0.75	234.0	-1.2155	0.6227
0.75	246.0	0.1507	0.8079
0.75	270.0	-2.2108	2.2108
0.75	282.0	0.2678	0.6143
0.75	294.0	-0.0384	0.5868
0.75	306.0	-0.4442	0.6438
0.85	78.0	0.2042	0.5155
0.85	90.0	0.4972	0.5294
0.85	102.0	-0.1489	0.6095
0.85	114.0	-0.3515	0.8113
0.85	174.0	-0.4234	0.8177
0.85	186.0	-1.6017	0.6988
0.85	198.0	0.4858	0.6041
0.85	210.0	-0.2688	0.5914
0.85	222.0	-0.2139	0.4737
0.85	234.0	-0.0645	0.4658
0.85	246.0	0.0228	0.5034
0.85	258.0	-0.5731	0.7458
0.95	78.0	-0.8132	0.8123
0.95	90.0	-0.2285	0.7121
0.95	162.0	-0.5355	0.7864
0.95	174.0	-1.1212	0.6844
0.95	186.0	-0.8056	0.6439
0.95	198.0	0.4553	0.6516
0.95	210.0	0.2838	0.5472
0.95	222.0	-0.0868	0.5322
0.95	234.0	0.8392	0.5254
0.95	246.0	-0.8538	0.5256
0.95	258.0	-0.7661	0.5333
0.95	270.0	1.1519	0.6133

CLAS Physics Database