Measurement E151M2093

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:	0.0502
Q²:	0.0415 GeV²
W:	1565.0 GeV
E_beam:	2.2596 GeV
ε:	0.8903

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	78.0	-0.1445	0.8211
0.45	78.0	-0.6736	0.7804
0.45	126.0	0.6494	0.9094
0.45	282.0	0.181	0.7705
0.55	78.0	-0.5987	0.8368
0.55	114.0	-1.178	0.8546
0.55	126.0	0.3142	0.9066
0.55	270.0	0.9673	0.8487
0.65	126.0	0.5032	0.9872
0.65	138.0	0.9149	0.822
0.65	210.0	-0.4717	0.8561
0.65	222.0	0.5576	0.8995
0.75	114.0	-0.6103	0.9462
0.75	126.0	-1.0405	0.9708
0.75	138.0	0.1535	0.859
0.75	222.0	0.1293	0.7971
0.75	234.0	-0.3657	0.9559
0.75	282.0	0.5829	0.9189
0.85	102.0	0.0647	1.0007
0.85	114.0	0.5787	0.94
0.85	210.0	1.2276	0.944
0.85	222.0	-1.0922	0.8263
0.85	234.0	-0.0544	0.9724
0.35	270.0	1.8016	0.685
0.45	78.0	1.3374	0.7852
0.55	126.0	-0.4006	0.9768
0.55	138.0	0.4529	0.9156
0.55	282.0	-1.7346	0.7234
0.65	138.0	-0.3596	0.9195
0.65	222.0	-0.7343	0.9093
0.75	66.0	0.6136	0.9947
0.75	126.0	-1.0609	1.0464
0.75	234.0	1.8314	0.7437
0.75	282.0	2.3866	2.3866
0.85	102.0	0.259	1.0578
0.85	114.0	0.6767	1.2096
0.85	222.0	-0.1394	1.0861
0.85	234.0	-1.723	0.9666

CLAS Physics Database