Measurement E151M2869

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:	0.0183
Q²:	0.0205 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6388

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	30.0	-0.0378	0.244	0.03
0.45	42.0	0.5669	0.1754	0.0323
0.55	42.0	0.2279	0.2513	0.0303
0.55	210.0	-0.3711	0.249	0.0309
0.55	222.0	-0.074	0.2728	0.03
0.55	234.0	0.2503	0.2318	0.0304
0.65	138.0	-0.0196	0.2443	0.03
0.65	162.0	0.0366	0.2754	0.03
0.65	210.0	-0.0552	0.2737	0.03
0.65	222.0	-0.1531	0.2487	0.0302
0.65	234.0	-0.3789	0.2301	0.0309
0.75	222.0	0.0835	0.2731	0.03
0.75	234.0	-0.1332	0.274	0.0301
0.75	246.0	0.0653	0.2726	0.03
0.85	138.0	0.3895	0.2505	0.031
0.85	150.0	0.0269	0.2756	0.03
0.85	210.0	-0.359	0.2519	0.0308
0.85	234.0	-0.3051	0.2685	0.0306
0.45	54.0	0.1001	0.3531	0.0301
0.45	234.0	-0.4007	0.3041	0.0311
0.55	222.0	0.6043	0.2065	0.0323
0.55	234.0	0.1728	0.3788	0.0302
0.65	138.0	-0.3872	0.3629	0.031
0.65	210.0	-0.4094	0.2936	0.0311
0.65	222.0	-0.2674	0.3884	0.0305
0.65	234.0	0.1942	0.3312	0.0303
0.75	210.0	-0.4879	0.2644	0.0315
0.75	222.0	-0.2368	0.3205	0.0304
0.75	234.0	0.3655	0.2831	0.0309
0.85	222.0	-0.3901	0.341	0.031
0.85	234.0	0.0654	0.4098	0.03

CLAS Physics Database