Measurement E151M1588

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_LL
ε_L:	0.0162
Q²:	0.0101 GeV²
W:	1475.0 GeV
E_beam:	1.3383 GeV
ε:	0.7764

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	42.0	-1.6526	0.8048
0.55	162.0	-1.5724	0.8461
0.55	222.0	-0.8611	0.607
0.55	234.0	-0.9176	0.5644
0.65	126.0	0.2357	0.9332
0.65	138.0	1.7618	0.7901
0.65	222.0	-1.434	0.5121
0.75	222.0	-0.7958	0.6861
0.75	234.0	0.2465	0.8147
0.75	246.0	-3.2747	3.2747
0.85	222.0	-0.1201	0.8492
0.85	234.0	-0.0971	0.856
0.65	234.0	-1.6114	0.8035
0.75	210.0	-2.024	0.6799
0.75	222.0	-1.2729	0.9834
0.75	234.0	-0.4855	0.9033
0.85	210.0	-1.2504	0.8009
0.85	222.0	0.2503	1.0256
0.85	234.0	1.0469	0.8943

CLAS Physics Database