Measurement E151M1235

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:	0.5351
Q²:	0.0707 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.8863

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	294.0	-0.2165	0.5414
0.45	270.0	-1.2829	0.4658
0.45	282.0	0.1178	0.4293
0.45	294.0	0.2254	0.516
0.55	270.0	-0.474	0.4169
0.55	282.0	0.4736	0.3829
0.65	258.0	-0.9742	0.4599
0.65	270.0	-0.3088	0.4457
0.65	282.0	-1.0403	0.3771
0.75	258.0	-0.4629	0.4838
0.75	270.0	-0.3489	0.4249
0.75	282.0	0.6141	0.4796
0.85	150.0	0.1852	0.4131
0.85	162.0	0.0709	0.4072
0.85	174.0	-0.0595	0.4101
0.85	186.0	0.3184	0.4128
0.85	198.0	-0.4714	0.4222
0.85	210.0	0.5239	0.4061
0.85	222.0	-0.0721	0.4524
0.95	138.0	0.2938	0.3511
0.95	150.0	0.3155	0.3511
0.95	162.0	0.3456	0.3816
0.95	174.0	-0.3921	0.3972
0.95	186.0	0.0311	0.3199
0.95	198.0	-0.0035	0.4068
0.95	210.0	0.6633	0.3599

CLAS Physics Database