Measurement E151M1332

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:	0.0509
Q²:	0.0171 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.7967

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	42.0	0.359	0.7527
0.25	54.0	-1.3492	0.9301
0.35	30.0	1.3693	0.7672
0.35	42.0	-0.085	0.6268
0.35	54.0	-0.2773	0.705
0.35	66.0	0.031	0.9666
0.45	18.0	-1.8516	0.7776
0.45	30.0	0.7621	0.6644
0.45	42.0	0.902	0.5698
0.45	54.0	0.2311	0.6586
0.45	66.0	-3.0673	3.0673
0.45	234.0	-0.8311	0.8277
0.45	246.0	-0.7203	0.737
0.55	18.0	-2.3069	0.6515
0.55	30.0	-0.7441	0.5888
0.55	42.0	0.2902	0.4817
0.55	54.0	-0.2148	0.573
0.55	66.0	0.1936	1.016
0.55	150.0	1.1565	0.9598
0.55	162.0	-0.8427	0.9942
0.55	222.0	-1.2523	0.6943
0.55	234.0	0.9814	0.4974
0.55	246.0	0.5645	0.5378
0.55	258.0	0.6515	0.6017
0.55	270.0	0.0713	0.7727
0.65	42.0	1.4637	0.9068
0.65	54.0	-0.1534	0.8002
0.65	138.0	1.2754	0.8348
0.65	150.0	-0.2337	0.6917
0.65	162.0	-0.0166	0.7323
0.65	174.0	0.6395	0.7952
0.65	210.0	-0.8375	0.7458
0.65	222.0	-1.2155	0.5332
0.65	234.0	-0.1286	0.5148
0.65	246.0	-0.1844	0.4302
0.65	258.0	0.7932	0.4973
0.65	270.0	0.5548	0.7232
0.75	138.0	0.3596	0.7031
0.75	150.0	-0.2763	0.6359
0.75	162.0	1.1579	0.6651
0.75	174.0	-1.0174	0.894
0.75	186.0	0.2274	0.8117
0.75	210.0	-0.1545	0.7805
0.75	222.0	-0.9873	0.6009
0.75	234.0	0.4095	0.5066
0.75	246.0	0.347	0.4618
0.75	258.0	0.3874	0.5084
0.75	270.0	-0.2208	0.7461
0.85	126.0	-0.5879	0.8789
0.85	138.0	0.802	0.7959
0.85	150.0	1.0752	0.9043
0.85	174.0	-0.4545	0.8823
0.85	222.0	0.6642	0.5184
0.85	234.0	0.2102	0.4705
0.85	246.0	-0.5163	0.4671
0.85	258.0	-0.5172	0.521
0.85	270.0	0.2137	0.6554

CLAS Physics Database