Measurement E151M1654

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:	0.0548
Q²:	0.0707 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.5916

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	222.0	-0.641	0.7593
0.55	234.0	-1.8978	0.8067
0.65	234.0	-0.8776	1.0164
0.65	246.0	1.5532	0.9516
0.75	138.0	0.5529	0.8646
0.75	162.0	-0.2838	0.888
0.75	222.0	-0.1038	0.9831
0.75	246.0	-1.9345	0.7202
0.85	222.0	-0.8384	0.9233
0.85	234.0	0.8915	0.7879
0.85	246.0	-0.0404	0.7498
0.85	258.0	0.4327	0.9978
0.95	138.0	-0.181	0.8294
0.55	246.0	-1.082	1.1588
0.65	222.0	-1.232	1.0219
0.65	234.0	-2.1389	0.7168
0.75	234.0	-1.0003	1.1804
0.75	246.0	-1.8217	0.7015
0.75	258.0	0.7865	1.1294
0.85	234.0	0.0307	0.9606
0.85	246.0	-1.1444	0.8439

CLAS Physics Database