Measurement E151M510

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:	0.599
Q²:	0.1715 GeV²
W:	1295.0 GeV
E_beam:	1.9889 GeV
ε:	0.9295

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.05	306.0	0.0702	0.6326
0.25	66.0	-0.1295	0.5481
0.25	78.0	0.8774	0.6785
0.25	306.0	0.7254	0.6162
0.35	66.0	0.2475	0.4773
0.35	78.0	-0.473	0.5377
0.45	66.0	0.0206	0.5821
0.45	78.0	1.6822	0.4731
0.45	282.0	-0.5312	0.5417
0.55	66.0	-0.9873	0.4778
0.55	270.0	-0.2232	0.5323
0.55	282.0	0.0474	0.5423
0.65	90.0	0.1814	0.6446
0.65	102.0	0.6584	0.5996
0.65	258.0	-0.5055	0.4371
0.65	270.0	-0.2615	0.4599
0.65	282.0	-1.1139	0.337
0.75	78.0	-0.0089	0.6211
0.75	90.0	0.9242	0.6646
0.75	102.0	-0.1241	0.4869
0.75	114.0	0.077	0.5711
0.75	126.0	0.0191	0.5695
0.75	246.0	0.4252	0.4649
0.75	258.0	0.205	0.4467
0.75	270.0	-0.5246	0.3476
0.75	282.0	-0.5888	0.3065
0.75	294.0	-0.2369	0.4628
0.85	78.0	0.4026	0.4996
0.85	90.0	0.3274	0.3944
0.85	102.0	0.8289	0.4288
0.85	114.0	0.0687	0.3926
0.85	126.0	-0.0296	0.4428
0.85	138.0	0.7451	0.6233
0.85	150.0	-0.0613	0.5391
0.85	222.0	-1.1718	0.4001
0.85	234.0	-0.1614	0.4448
0.85	246.0	-0.1736	0.3827
0.85	258.0	0.4704	0.4223
0.85	270.0	-0.1616	0.3219
0.85	282.0	0.0501	0.3237
0.85	294.0	-1.0011	0.3473
0.95	90.0	0.7006	0.4691
0.95	102.0	0.0853	0.3626
0.95	114.0	-0.3816	0.412
0.95	126.0	-0.2783	0.3782
0.95	138.0	0.425	0.453
0.95	150.0	0.1649	0.5631
0.95	162.0	-0.5228	0.4936
0.95	222.0	-0.1038	0.5333
0.95	246.0	0.5205	0.4771
0.95	258.0	0.2627	0.4128
0.95	270.0	-0.3622	0.3622
0.95	282.0	0.5544	0.4999
0.95	294.0	-0.5637	0.4021

CLAS Physics Database