Measurement E151M2523

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_LU
ε_L:	0.4202
Q²:	0.1435 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.7349

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	270.0	-0.1132	0.219
0.45	282.0	-0.4995	0.2247
0.55	258.0	-0.0268	0.215
0.55	270.0	-0.2504	0.2093
0.55	282.0	-0.3425	0.1809
0.65	246.0	-0.2689	0.239
0.65	258.0	-0.041	0.1806
0.65	270.0	0.1426	0.1843
0.65	282.0	0.2374	0.1594
0.75	126.0	0.1559	0.2366
0.75	138.0	-0.2907	0.2188
0.75	162.0	-0.1658	0.2524
0.75	246.0	0.4688	0.1682
0.75	258.0	-0.3362	0.1582
0.75	270.0	-0.0455	0.195
0.75	282.0	-0.2331	0.1905
0.75	294.0	0.5905	0.1727
0.85	114.0	-0.1337	0.2557
0.85	126.0	0.2481	0.1555
0.85	138.0	0.1184	0.1759
0.85	150.0	0.0758	0.1759
0.85	162.0	0.122	0.2195
0.85	174.0	0.3128	0.1897
0.85	186.0	-0.397	0.2482
0.85	198.0	0.2865	0.2007
0.85	210.0	-0.2675	0.2405
0.85	246.0	-0.232	0.2131
0.85	258.0	0.0295	0.1615
0.85	270.0	0.203	0.1778
0.85	282.0	-0.0141	0.1798
0.85	294.0	-0.188	0.1952
0.95	78.0	0.2554	0.2288
0.95	90.0	-0.1843	0.222
0.95	114.0	-0.0705	0.251
0.95	126.0	0.1281	0.2401
0.95	138.0	0.1349	0.186
0.95	150.0	-0.2605	0.2301
0.95	162.0	-0.0769	0.1757
0.95	174.0	-0.0921	0.2357
0.95	186.0	-0.1858	0.2116
0.95	270.0	-0.134	0.2522

CLAS Physics Database