Measurement E151M1236

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:	0.6043
Q²:	0.0844 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.8747

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	282.0	0.0966	0.5287
0.55	270.0	-0.3947	0.375
0.55	282.0	-0.4256	0.4018
0.55	294.0	-0.1737	0.4898
0.65	258.0	0.176	0.5106
0.65	270.0	-0.2002	0.4224
0.65	282.0	0.1932	0.3626
0.75	258.0	0.328	0.459
0.75	270.0	-0.2809	0.4032
0.75	282.0	0.2525	0.4711
0.85	138.0	-0.2695	0.4709
0.85	150.0	-0.9474	0.4089
0.85	162.0	-0.6921	0.4351
0.85	174.0	0.0903	0.4498
0.85	186.0	0.382	0.4313
0.85	198.0	-0.3094	0.4612
0.85	210.0	0.4729	0.4917
0.85	222.0	-0.053	0.474
0.85	234.0	0.2311	0.543
0.95	126.0	-0.1469	0.4336
0.95	138.0	1.1288	0.3089
0.95	150.0	-0.0675	0.4038
0.95	162.0	-0.0707	0.3488
0.95	174.0	0.3729	0.4026
0.95	186.0	0.1792	0.3262
0.95	198.0	0.2713	0.3688
0.95	210.0	0.1494	0.3339
0.95	222.0	0.1776	0.363

CLAS Physics Database