Measurement E151M2086

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:	0.1469
Q²:	0.1205 GeV²
W:	1535.0 GeV
E_beam:	2.2596 GeV
ε:	0.882

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	78.0	-0.0117	1.021
0.35	282.0	-0.0768	0.8986
0.45	282.0	-0.4583	0.8416
0.55	114.0	-0.4863	1.0943
0.55	126.0	-1.4211	1.0402
0.55	270.0	-1.2351	0.9001
0.55	282.0	1.5426	0.738
0.65	126.0	-0.053	0.9534
0.65	234.0	-1.0855	0.8874
0.75	114.0	1.4154	1.2115
0.75	198.0	-0.1072	1.0738
0.75	210.0	0.4662	1.1599
0.75	222.0	-1.3367	1.1434
0.75	246.0	0.0331	0.8615
0.75	294.0	-1.9503	0.8791
0.85	78.0	0.0182	1.2682
0.85	90.0	1.9885	1.2017
0.85	102.0	-1.7156	1.36
0.85	126.0	-1.0871	1.3448
0.85	138.0	-1.3386	1.4157
0.85	222.0	0.2651	0.9579
0.85	234.0	0.2173	1.1274
0.85	246.0	-0.1018	1.1049
0.95	234.0	5.0336	2.8083
0.95	246.0	0.2084	2.9117
0.95	270.0	-1.7596	3.0985
0.25	78.0	-1.1204	0.7136
0.35	78.0	0.1776	0.8109
0.45	270.0	0.3336	0.7737
0.45	282.0	-0.1031	0.69
0.55	126.0	-0.6468	0.8182
0.55	282.0	-2.0835	0.7022
0.65	114.0	-0.4542	0.7682
0.65	126.0	-0.9502	0.8233
0.65	210.0	0.53	0.941
0.65	222.0	-0.4195	0.8832
0.65	294.0	0.4334	0.8119
0.75	102.0	-0.4098	0.7993
0.75	114.0	-0.1982	0.64
0.75	126.0	0.7627	0.6787
0.75	138.0	1.5265	0.8757
0.75	222.0	0.2825	0.9468
0.75	234.0	-0.2467	0.8082
0.75	246.0	-0.0511	0.6763
0.85	78.0	0.1957	0.8946
0.85	90.0	-0.2611	0.7798
0.85	210.0	-0.7243	0.9407
0.85	222.0	-0.1207	0.8536
0.85	234.0	-0.619	0.7428
0.85	246.0	0.4132	0.8675
0.85	258.0	-0.8561	0.8485
0.95	222.0	-0.2957	1.5633
0.95	246.0	-0.329	1.3919
0.95	258.0	0.2055	1.426
0.95	270.0	-1.0977	1.4258

CLAS Physics Database