Measurement E151M100

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_UL
ε_L:	0.3089
Q²:	0.1205 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.7217

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	258.0	-0.3532	0.6374
0.55	270.0	-0.8324	0.5213
0.65	246.0	-0.8079	0.4639
0.65	258.0	-0.6301	0.5769
0.65	270.0	0.1143	0.5743
0.65	282.0	-0.2161	0.6591
0.75	138.0	-1.1961	0.5918
0.75	150.0	-0.1649	0.75
0.75	246.0	-0.0598	0.5701
0.75	258.0	0.7429	0.7002
0.75	270.0	0.1505	0.5895
0.75	282.0	0.6915	0.6254
0.75	294.0	-0.359	0.7058
0.85	126.0	0.1889	0.7187
0.85	138.0	-0.4399	0.5951
0.85	150.0	-0.2035	0.6513
0.85	162.0	1.1685	0.6648
0.85	186.0	0.8649	0.6712
0.85	246.0	-0.0604	0.6962
0.85	258.0	-0.088	0.5524
0.85	270.0	0.5401	0.6153
0.85	282.0	-0.9285	0.4495
0.85	294.0	-0.2612	0.6304
0.95	102.0	-0.2219	0.63
0.95	114.0	1.8563	0.7637
0.95	138.0	1.1937	0.6611
0.95	162.0	-0.286	0.5654
0.95	174.0	-0.7715	0.5057
0.95	258.0	-0.3228	0.5512

CLAS Physics Database