Measurement E151M2495

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:	0.2189
Q²:	0.0415 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8671

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.15	42.0	-0.3458	0.2421
0.25	30.0	0.0943	0.2467
0.25	42.0	-0.0985	0.1807
0.35	30.0	-0.1125	0.2142
0.35	42.0	0.152	0.1718
0.35	54.0	0.0592	0.2475
0.45	42.0	-0.0277	0.1996
0.45	270.0	-0.2739	0.2166
0.45	282.0	-0.1071	0.1959
0.55	246.0	0.0608	0.2006
0.55	258.0	0.1971	0.1418
0.55	270.0	-0.0085	0.136
0.55	282.0	-0.0511	0.1611
0.65	234.0	-0.0662	0.1863
0.65	246.0	0.1202	0.1454
0.65	258.0	-0.0134	0.1506
0.65	270.0	-0.1243	0.1392
0.65	282.0	-0.1214	0.161
0.75	138.0	0.0054	0.2058
0.75	150.0	0.0534	0.1689
0.75	162.0	0.2455	0.1932
0.75	174.0	-0.09	0.2444
0.75	186.0	-0.0737	0.22
0.75	222.0	0.174	0.2158
0.75	234.0	-0.0952	0.1938
0.75	246.0	-0.2058	0.1303
0.75	258.0	-0.159	0.1338
0.75	270.0	0.027	0.1323
0.75	282.0	-0.2078	0.1437
0.85	126.0	-0.1919	0.2421
0.85	138.0	-0.0644	0.1621
0.85	150.0	0.0069	0.1473
0.85	162.0	-0.1413	0.1423
0.85	174.0	-0.1114	0.1617
0.85	186.0	0.0774	0.1697
0.85	198.0	0.0821	0.1844
0.85	210.0	0.2713	0.24
0.85	234.0	0.0254	0.1798
0.85	246.0	-0.1464	0.1708
0.85	258.0	-0.1332	0.1358
0.85	270.0	-0.1854	0.1416
0.85	282.0	0.3023	0.1684
0.95	150.0	0.0987	0.2135
0.95	186.0	-0.0814	0.2226

CLAS Physics Database