Measurement E151M288

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:	0.5193
Q²:	0.2445 GeV²
W:	1325.0 GeV
E_beam:	1.3383 GeV
ε:	0.7562

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	246.0	0.9914	0.6468
0.65	258.0	-0.1836	0.4918
0.75	102.0	-0.2037	0.5421
0.75	114.0	0.5953	0.5652
0.75	126.0	-0.3688	0.8499
0.75	234.0	-0.5427	0.7292
0.75	270.0	0.0573	0.5275
0.75	282.0	-0.4134	0.4627
0.75	294.0	0.1225	0.4333
0.85	90.0	-0.4437	0.6144
0.85	102.0	-0.509	0.5319
0.85	114.0	-0.4308	0.4477
0.85	126.0	-0.3288	0.5116
0.85	138.0	-0.3817	0.454
0.85	150.0	0.9281	0.505
0.85	162.0	-0.4377	0.7973
0.85	174.0	0.4767	1.1484
0.85	234.0	-0.0479	0.6292
0.85	246.0	-0.701	0.6171
0.95	66.0	0.5861	1.0021
0.95	126.0	-0.9751	0.5057
0.95	138.0	-0.7455	0.6485
0.95	270.0	-0.1736	0.5729
0.85	258.0	0.1614	0.5175
0.85	282.0	-0.2601	0.5694
0.85	294.0	0.6715	0.5573
0.85	306.0	0.7857	0.5224
0.95	54.0	-0.0355	0.5488
0.95	114.0	-0.003	0.5639
0.95	126.0	0.441	0.5447
0.95	138.0	0.5996	0.58
0.95	150.0	-0.1844	0.5539

CLAS Physics Database