Measurement E151M1444

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:	0.3377
Q²:	0.0496 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.9323

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	42.0	-1.1472	0.4768
0.45	270.0	-1.1477	0.3767
0.45	282.0	0.0067	0.4257
0.55	258.0	-0.5097	0.4022
0.55	270.0	-0.391	0.3251
0.55	282.0	-0.0787	0.3274
0.65	246.0	-0.2015	0.3615
0.65	258.0	-0.1674	0.3096
0.65	270.0	-0.3138	0.2621
0.65	282.0	0.2853	0.2939
0.75	126.0	1.2425	0.6188
0.75	138.0	-0.4877	0.7283
0.75	234.0	1.5044	0.4766
0.75	246.0	-0.3409	0.525
0.75	258.0	-0.7005	0.4198
0.75	270.0	-0.1012	0.4391
0.75	282.0	-0.3352	0.5135
0.85	114.0	0.098	0.6904
0.85	126.0	0.1074	0.5512
0.85	138.0	0.4813	0.5558
0.85	150.0	-0.1304	0.5914
0.85	162.0	1.0682	0.4197
0.85	174.0	-0.5182	0.5435
0.85	186.0	-0.791	0.5047
0.85	198.0	-0.0938	0.6726
0.85	234.0	-1.6925	1.6925
0.85	246.0	0.0714	0.6048
0.85	258.0	-0.0182	0.4696
0.85	270.0	0.1739	0.5506
0.85	282.0	0.472	0.6522
0.95	126.0	1.186	0.464
0.95	138.0	-0.3387	0.6334
0.95	150.0	-1.1656	0.4214
0.95	162.0	-0.6298	0.6263
0.95	174.0	0.2264	0.7036
0.95	186.0	0.038	0.7233
0.95	198.0	0.3161	0.6779
0.65	294.0	0.2061	0.7009
0.75	138.0	0.749	0.6611
0.75	150.0	-0.5027	0.7206
0.75	234.0	0.2502	0.5102
0.75	246.0	0.8461	0.3908
0.75	258.0	-0.3236	0.355
0.75	270.0	0.5117	0.3733
0.75	282.0	-0.0888	0.4124
0.85	114.0	-1.4157	0.4689
0.85	126.0	-0.1784	0.437
0.85	138.0	0.1031	0.4032
0.85	150.0	0.5373	0.387
0.85	162.0	0.0367	0.3733
0.85	174.0	-0.1252	0.493
0.85	186.0	-0.0252	0.4641
0.85	198.0	0.21	0.4705
0.85	210.0	0.3313	0.5321
0.85	222.0	-0.0316	0.5917
0.85	246.0	-0.0881	0.4383
0.85	258.0	0.3479	0.4411
0.85	270.0	0.4598	0.3731
0.85	282.0	-0.0948	0.5359
0.95	126.0	-0.1261	0.4689
0.95	150.0	0.3453	0.4393
0.95	162.0	-0.1111	0.4476
0.95	174.0	-0.395	0.478
0.95	186.0	0.6957	0.5128
0.95	198.0	0.5102	0.6218

CLAS Physics Database