Measurement E151M2387

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:	0.0855
Q²:	0.1715 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8441

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.65	114.0	-0.9014	1.017
0.75	90.0	-1.2402	1.0357
0.75	102.0	-1.8188	1.0517
0.75	198.0	-1.4419	1.0666
0.75	210.0	0.6239	1.0455
0.75	222.0	-0.6516	0.9127
0.75	294.0	0.9798	0.9639
0.85	78.0	-0.2017	1.0308
0.85	90.0	0.3926	0.7588
0.85	102.0	-0.4003	0.7916
0.85	114.0	0.4436	0.8548
0.85	186.0	-0.8341	0.9754
0.85	198.0	-0.8719	0.7041
0.85	210.0	0.1771	0.7392
0.85	222.0	-0.6105	0.6551
0.85	234.0	0.3105	0.9353
0.85	246.0	0.1445	1.0176
0.95	102.0	-0.923	0.961
0.95	114.0	1.5396	0.8085
0.95	186.0	0.1013	1.0739
0.95	198.0	-0.4338	0.9611
0.95	210.0	-0.5705	0.8622
0.95	222.0	-0.5861	0.7523
0.95	234.0	-0.0831	0.9793

CLAS Physics Database