Measurement E151M1630

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:	0.0261
Q²:	0.0245 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.683

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.45	30.0	-1.2515	0.7783	0.0808
0.45	42.0	-1.003	0.828	0.0672
0.45	210.0	-0.5958	0.8738	0.0466
0.55	42.0	-0.3841	1.0108	0.0378
0.55	126.0	-0.4801	0.9451	0.0416
0.55	138.0	0.2384	0.8948	0.0332
0.55	150.0	-1.2373	0.8766	0.08
0.55	162.0	-1.7568	0.9249	0.1095
0.55	210.0	-1.073	0.9468	0.071
0.55	222.0	0.0311	0.8513	0.0301
0.55	234.0	-1.0057	0.8128	0.0673
0.55	246.0	-0.6025	0.8334	0.0469
0.65	138.0	0.6944	0.7489	0.0513
0.65	150.0	-0.1736	0.7345	0.0318
0.65	162.0	1.2082	0.7746	0.0784
0.65	210.0	0.6549	0.7951	0.0494
0.65	234.0	-0.6575	0.7403	0.0495
0.75	138.0	1.9215	0.7517	0.119
0.75	222.0	-0.6911	0.8582	0.0511
0.75	234.0	1.5413	0.7596	0.0971
0.75	246.0	1.1944	0.8216	0.0776
0.85	126.0	0.5341	0.9096	0.0439
0.85	138.0	-0.8028	0.8222	0.0567
0.85	222.0	0.9521	0.6725	0.0645
0.85	234.0	-0.6426	0.7765	0.0488
0.85	246.0	0.1209	0.9127	0.0309
0.35	42.0	-0.4183	1.1598	0.0386
0.45	18.0	0.8484	1.4265	0.0577
0.45	30.0	0.3177	0.9033	0.0352
0.45	210.0	0.9945	1.0167	0.0651
0.45	222.0	1.5945	0.9922	0.0975
0.45	234.0	1.236	0.7077	0.0779
0.55	42.0	-0.6625	1.0996	0.0488
0.55	138.0	-0.5008	1.3291	0.0418
0.55	150.0	-2.3995	0.933	0.1427
0.55	210.0	1.0167	1.1183	0.0663
0.55	222.0	-0.2515	0.9372	0.0334
0.55	234.0	0.5108	1.0507	0.0422
0.65	138.0	-1.672	1.0032	0.1017
0.65	150.0	1.1336	1.0958	0.0724
0.65	210.0	-2.9145	2.9145	0.1721
0.65	222.0	2.0472	0.6805	0.1228
0.65	234.0	-0.5839	0.8967	0.0453
0.65	246.0	1.8648	0.7326	0.1125
0.75	162.0	0.8751	1.2421	0.0591
0.75	222.0	-0.458	0.8738	0.0401
0.75	234.0	-1.0136	0.7545	0.0661
0.75	246.0	-1.392	0.8052	0.0863
0.85	138.0	-0.6777	1.0563	0.0495
0.85	210.0	1.3413	0.8582	0.0836
0.85	222.0	-0.9542	0.7855	0.0631
0.85	234.0	0.8158	0.8442	0.0561
0.85	246.0	0.8869	0.7493	0.0597

CLAS Physics Database