Measurement E151M1962

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:	0.3345
Q²:	0.0593 GeV²
W:	1265.0 GeV
E_beam:	2.2596 GeV
ε:	0.9729

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	66.0	-2.0647	2.0761
0.45	78.0	3.7989	1.4442
0.55	78.0	1.7063	1.6461
0.55	90.0	2.945	2.0549
0.55	270.0	1.5071	1.9289
0.65	246.0	4.0006	1.7715
0.65	258.0	-4.2002	1.2831
0.65	270.0	-0.1474	1.3524
0.75	114.0	1.4037	2.4838
0.75	138.0	0.8812	2.4604
0.75	234.0	0.5388	1.8899
0.75	246.0	-1.3165	1.8289
0.75	258.0	-0.9177	1.4249
0.75	270.0	2.1675	1.4128
0.85	114.0	2.0315	2.3609
0.85	126.0	4.0966	2.2534
0.85	138.0	1.0105	2.096
0.85	150.0	-6.9917	1.9714
0.85	162.0	0.7273	2.7329
0.85	234.0	-0.512	2.1418
0.85	246.0	3.2484	1.706
0.85	258.0	1.2165	1.5004
0.85	270.0	1.4711	2.3653
0.95	126.0	4.8422	7.5224
0.95	138.0	7.6354	0.9436
0.95	174.0	1.4314	8.1247
0.25	294.0	-0.2963	0.5541
0.25	306.0	-0.0243	0.5122
0.35	66.0	0.1217	0.524
0.35	78.0	-0.4415	0.517
0.35	294.0	0.0873	0.4748
0.35	306.0	0.5907	0.5628
0.45	66.0	-0.2466	0.5554
0.45	78.0	-0.485	0.355
0.45	90.0	0.3106	0.5771
0.55	78.0	0.0378	0.3694
0.55	90.0	0.7189	0.4844
0.55	270.0	0.6469	0.4652
0.65	78.0	-0.4876	0.5907
0.65	90.0	-0.9083	0.5726
0.65	258.0	-0.1272	0.4428
0.65	270.0	0.3775	0.4087
0.65	282.0	0.8577	0.4379
0.75	102.0	-0.4296	0.5339
0.75	114.0	-1.0487	0.5105
0.75	126.0	-0.6307	0.5512
0.75	234.0	0.721	0.5685
0.75	246.0	0.327	0.4295
0.75	258.0	-0.4297	0.3668
0.75	270.0	-0.0578	0.4308
0.85	102.0	0.4078	0.5862
0.85	114.0	0.1661	0.4902
0.85	126.0	-0.4317	0.5021
0.85	138.0	-0.7167	0.5306
0.85	150.0	-0.3962	0.5653
0.85	162.0	-0.4618	0.6067
0.85	174.0	-0.1495	0.7102
0.85	234.0	0.005	0.5498
0.85	246.0	0.6228	0.4638
0.85	258.0	-0.7447	0.4376
0.85	270.0	-0.2305	0.5317
0.95	114.0	0.9568	1.1078
0.95	138.0	2.1031	0.9014
0.95	150.0	2.8941	0.8723
0.95	162.0	0.8016	1.144
0.95	174.0	0.779	1.1521

CLAS Physics Database