Measurement E151M2789

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:	0.284
Q²:	0.205 GeV²
W:	1415.0 GeV
E_beam:	1.3383 GeV
ε:	0.6925

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	234.0	0.2465	0.2669
0.65	246.0	-0.7233	0.2419
0.65	258.0	-0.0951	0.2702
0.75	102.0	0.0103	0.2845
0.75	114.0	0.6237	0.2273
0.75	138.0	0.126	0.2505
0.75	162.0	0.0712	0.2783
0.75	234.0	-0.1859	0.2223
0.75	246.0	-0.1583	0.2321
0.75	270.0	0.0447	0.2615
0.85	114.0	-0.4753	0.2481
0.85	138.0	0.1973	0.2606
0.85	246.0	-0.0166	0.2342
0.85	258.0	-0.5785	0.2143
0.85	270.0	-0.6283	0.2054
0.95	78.0	-0.2777	0.252
0.95	90.0	-0.0024	0.2502
0.95	270.0	-0.1169	0.272
0.95	282.0	-0.3396	0.2378
0.55	246.0	-0.4946	0.2939
0.55	258.0	0.2802	0.3854
0.55	270.0	-0.1658	0.3898
0.65	246.0	-0.1637	0.4541
0.65	258.0	0.1726	0.3222
0.75	126.0	0.17	0.3783
0.75	222.0	0.3539	0.3738
0.75	234.0	-0.191	0.3786
0.75	246.0	0.3246	0.277
0.75	258.0	0.0366	0.3267
0.75	270.0	-0.2465	0.3417
0.85	114.0	-0.7808	0.1828
0.85	150.0	0.1733	0.3663
0.85	270.0	-0.0969	0.3422
0.85	282.0	-0.3177	0.3589
0.85	294.0	0.1412	0.3539

CLAS Physics Database