Measurement E151M37

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:	0.6489
Q²:	0.1435 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.798

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	294.0	0.1999	0.5939
0.35	282.0	0.0448	0.5063
0.35	294.0	0.1204	0.5685
0.45	270.0	0.1105	0.5381
0.45	282.0	-0.0622	0.4205
0.45	294.0	0.3603	0.5691
0.55	270.0	0.364	0.4508
0.55	282.0	0.423	0.4113
0.55	294.0	-0.6391	0.4861
0.65	258.0	-0.1973	0.408
0.65	270.0	0.4974	0.4408
0.65	282.0	0.939	0.4751
0.65	294.0	-0.3177	0.4305
0.75	258.0	-0.8875	0.4209
0.75	270.0	0.0795	0.4957
0.75	282.0	0.3873	0.4541
0.75	294.0	0.2342	0.4863
0.85	114.0	-0.5049	0.4572
0.85	138.0	1.1544	0.5768
0.85	150.0	0.4977	0.5132
0.85	162.0	0.6042	0.5636
0.85	174.0	0.5999	0.602
0.85	198.0	0.028	0.5005
0.85	210.0	-0.4493	0.478
0.85	270.0	0.5035	0.499
0.85	282.0	-0.3214	0.4831
0.95	114.0	-0.2361	0.397
0.95	126.0	0.6471	0.4509
0.95	138.0	-0.5463	0.3893
0.95	150.0	0.8583	0.411
0.95	162.0	0.0655	0.4446
0.95	174.0	-0.4241	0.3638
0.95	186.0	-0.29	0.3657
0.95	198.0	0.544	0.4706
0.95	210.0	-0.4641	0.3306

CLAS Physics Database