Measurement E151M3014

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:	0.2828
Q²:	0.1435 GeV²
W:	1415.0 GeV
E_beam:	1.9889 GeV
ε:	0.8961

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	66.0	0.0224	0.2304
0.25	78.0	0.2808	0.2649
0.25	282.0	0.018	0.2505
0.25	294.0	0.3812	0.25
0.35	66.0	-0.0852	0.1961
0.35	78.0	-0.299	0.233
0.35	282.0	0.0071	0.2559
0.35	294.0	-0.0422	0.2706
0.35	306.0	0.1355	0.265
0.45	66.0	-0.1447	0.2554
0.45	78.0	0.0522	0.2128
0.45	282.0	-0.1046	0.2643
0.45	294.0	-0.2124	0.2418
0.55	66.0	0.3012	0.2097
0.55	102.0	-0.2104	0.2755
0.55	114.0	0.5577	0.2172
0.55	282.0	-0.1295	0.2414
0.55	306.0	-0.3241	0.2506
0.65	102.0	0.1969	0.2227
0.65	114.0	-0.0271	0.2101
0.65	126.0	0.2499	0.2501
0.65	246.0	0.4392	0.1978
0.65	258.0	0.0534	0.2432
0.65	270.0	-0.1517	0.2702
0.75	90.0	0.2785	0.2047
0.75	102.0	0.3213	0.1785
0.75	114.0	0.2873	0.1684
0.75	126.0	-0.0615	0.1967
0.75	138.0	0.0711	0.2052
0.75	210.0	-0.0276	0.2842
0.75	222.0	0.2357	0.2239
0.75	234.0	0.4618	0.1762
0.75	246.0	-0.148	0.1855
0.75	258.0	0.2701	0.1809
0.75	270.0	0.13	0.1934
0.85	78.0	-0.0344	0.2241
0.85	102.0	0.303	0.2089
0.85	114.0	0.0731	0.1878
0.85	126.0	-0.0133	0.2455
0.85	138.0	0.1085	0.1935
0.85	150.0	-0.0765	0.2537
0.85	210.0	-0.0122	0.2494
0.85	222.0	-0.213	0.2055
0.85	234.0	0.0094	0.1891
0.85	246.0	0.1818	0.1731
0.85	258.0	0.0126	0.1842
0.85	270.0	-0.1243	0.1558
0.85	282.0	0.0103	0.2338
0.95	90.0	0.4497	0.2112
0.95	222.0	-0.044	0.2868
0.95	234.0	-0.2916	0.193
0.95	246.0	-0.5518	0.1802
0.95	258.0	0.0304	0.1992
0.95	270.0	-0.1037	0.1787
0.95	282.0	-0.388	0.2054

CLAS Physics Database