Measurement E151M2349

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:	0.1542
Q²:	0.2445 GeV²
W:	1685.0 GeV
E_beam:	2.999 GeV
ε:	0.8696

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	270.0	-0.5255	0.7863
0.35	282.0	-0.8244	0.8223
0.45	102.0	1.5678	0.6892
0.45	126.0	-0.5406	0.9422
0.45	270.0	0.1844	0.8411
0.45	282.0	-0.0954	0.7111
0.55	102.0	-0.528	0.6706
0.55	114.0	0.6261	0.6437
0.55	138.0	-0.486	0.8052
0.55	270.0	-0.3427	0.785
0.55	294.0	-0.6358	0.7574
0.65	90.0	-0.306	0.8291
0.65	102.0	0.5342	0.5962
0.65	114.0	0.4764	0.6691
0.65	126.0	-0.5671	0.7858
0.65	198.0	-0.8793	0.7773
0.65	210.0	-0.3022	0.7879
0.65	222.0	0.8922	0.7151
0.65	234.0	-0.1942	0.9219
0.65	282.0	-1.3424	0.7898
0.65	294.0	-0.9383	0.5537
0.75	78.0	-0.1704	0.6753
0.75	90.0	1.7235	0.6616
0.75	102.0	1.112	0.8622
0.75	114.0	-0.3684	0.6343
0.75	126.0	-0.271	0.789
0.75	138.0	1.0152	0.7981
0.75	198.0	0.0079	0.7956
0.75	210.0	-0.1843	0.6817
0.75	222.0	-1.1852	0.5291
0.75	234.0	-0.3849	0.6358
0.75	246.0	-0.2215	0.8011
0.75	258.0	-0.6227	0.8115
0.75	282.0	0.1702	0.8128
0.75	294.0	0.8105	0.6405
0.75	306.0	0.053	0.7233
0.85	66.0	0.8689	0.6084
0.85	78.0	0.2789	0.5655
0.85	90.0	0.7621	0.5132
0.85	102.0	-0.3699	0.752
0.85	174.0	0.6913	0.8473
0.85	186.0	0.556	0.7525
0.85	198.0	-1.5804	0.5763
0.85	210.0	0.0154	0.585
0.85	222.0	-0.393	0.5489
0.85	234.0	-0.6695	0.5502
0.85	246.0	0.8831	0.4862
0.85	258.0	0.6724	0.7214
0.85	270.0	-0.0348	0.8335
0.95	78.0	-0.4724	0.7728
0.95	90.0	1.5295	0.6533
0.95	174.0	-0.6148	0.7815
0.95	198.0	0.0275	0.6651
0.95	210.0	-0.451	0.5828
0.95	222.0	0.4831	0.6267
0.95	234.0	-0.3401	0.6011
0.95	246.0	0.1244	0.5143
0.95	258.0	-0.6377	0.5489
0.95	270.0	-0.1348	0.5624

CLAS Physics Database