Measurement E151M1007

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:	0.5982
Q²:	0.348 GeV²
W:	1385.0 GeV
E_beam:	2.999 GeV
ε:	0.9374

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.05	66.0	-1.6824	0.4723
0.15	66.0	0.5586	0.7195
0.15	294.0	-0.1877	0.6003
0.25	54.0	0.1201	0.741
0.25	294.0	-0.0723	0.7287
0.35	282.0	1.1453	0.8399
0.45	90.0	-0.2857	0.6589
0.55	78.0	-0.0521	0.6212
0.55	90.0	0.5184	0.7147
0.55	102.0	-0.9965	0.4827
0.55	258.0	-0.2637	0.7165
0.65	66.0	-0.0966	0.646
0.65	78.0	0.834	0.5678
0.65	90.0	0.8288	0.5019
0.65	102.0	1.1813	0.6122
0.65	114.0	0.5985	0.7323
0.65	258.0	0.0497	0.6055
0.65	270.0	-1.0676	0.4573
0.65	282.0	0.4033	0.6754
0.65	294.0	-0.7658	0.5652
0.75	54.0	-0.5512	0.5289
0.75	66.0	1.3059	0.8411
0.75	78.0	-0.2209	0.451
0.75	90.0	0.7764	0.5206
0.75	102.0	0.0569	0.4827
0.75	114.0	0.194	0.623
0.75	126.0	0.6712	0.7808
0.75	234.0	1.1288	0.7455
0.75	246.0	-0.6623	0.4491
0.75	258.0	-0.3115	0.4595
0.75	270.0	0.0284	0.4505
0.75	282.0	0.3525	0.5282
0.75	294.0	-0.3393	0.445
0.75	306.0	-0.4223	0.5713
0.85	42.0	1.4405	0.7706
0.85	54.0	0.7802	0.7463
0.85	78.0	0.6159	0.5175
0.85	90.0	0.1131	0.4562
0.85	102.0	0.1998	0.4767
0.85	114.0	-0.3146	0.53
0.85	126.0	0.1364	0.619
0.85	138.0	0.1871	0.7424
0.85	210.0	-0.2032	0.6327
0.85	222.0	-0.3816	0.5084
0.85	234.0	-0.3046	0.5167
0.85	246.0	-0.7327	0.3965
0.85	258.0	-0.1728	0.4513
0.85	270.0	-0.7184	0.3505
0.85	282.0	-0.2987	0.3771
0.85	294.0	-0.2701	0.402
0.85	306.0	-0.4146	0.3787
0.85	318.0	-0.3459	0.405
0.95	78.0	-0.1693	0.5721
0.95	90.0	0.347	0.578
0.95	102.0	-1.3561	0.4545
0.95	114.0	1.081	0.8559
0.95	186.0	0.3831	0.6796
0.95	198.0	-0.5636	0.6101
0.95	210.0	0.2116	0.7189
0.95	222.0	0.8741	0.5985
0.95	234.0	-0.5189	0.4439
0.95	246.0	-0.3282	0.5184
0.95	258.0	-0.4261	0.4427
0.95	270.0	-0.6511	0.42
0.95	282.0	-0.189	0.4473
0.95	294.0	0.3465	0.5158
0.95	306.0	0.4126	0.4724
0.95	318.0	1.1525	0.5801
0.95	330.0	-0.4918	0.4279

CLAS Physics Database