Measurement E151M229

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:	0.7849
Q²:	0.1715 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	270.0	0.6182	0.8723
0.45	282.0	0.4864	0.7193
0.45	294.0	0.5471	0.8753
0.55	270.0	-0.5293	0.4741
0.55	282.0	-0.6166	0.4569
0.55	294.0	-0.8267	0.4244
0.65	258.0	-0.2923	0.4978
0.65	270.0	-0.0578	0.5097
0.65	282.0	1.1984	0.73
0.75	258.0	-0.0319	0.6229
0.75	270.0	-0.6763	0.3867
0.75	282.0	-0.2951	0.4837
0.75	294.0	-0.3509	0.4787
0.85	90.0	-0.1616	0.6698
0.85	102.0	0.3492	0.7875
0.85	114.0	0.5135	0.7815
0.85	126.0	-0.7827	0.493
0.85	138.0	-0.0408	0.7835
0.85	258.0	-0.5047	0.4512
0.95	90.0	0.4052	0.8321
0.95	102.0	-0.0716	0.5335
0.95	114.0	1.3827	0.886
0.95	126.0	0.4697	0.8296
0.95	138.0	-0.2578	0.5781
0.95	150.0	0.1936	0.6826
0.95	162.0	-0.675	0.4575
0.95	186.0	0.0105	0.6518
0.35	282.0	-0.4964	0.49
0.35	294.0	-0.2169	0.4733
0.45	282.0	-0.2099	0.4597
0.55	258.0	0.1209	0.5326
0.55	270.0	0.2843	0.4372
0.55	282.0	-0.6073	0.4317
0.55	294.0	0.1887	0.5154
0.65	258.0	0.1247	0.4351
0.65	270.0	-0.134	0.519
0.65	282.0	-0.0169	0.429
0.65	294.0	-0.0497	0.4011
0.75	258.0	-0.3427	0.419
0.75	270.0	0.5403	0.3765
0.75	282.0	0.184	0.4575
0.75	294.0	-0.0985	0.4674
0.85	90.0	-0.9971	0.4287
0.85	102.0	-0.321	0.4218
0.85	114.0	0.4261	0.3946
0.85	126.0	0.6558	0.4359
0.85	138.0	-0.583	0.4196
0.85	258.0	0.8131	0.4245
0.85	270.0	-0.372	0.434
0.85	282.0	-0.0536	0.4046
0.95	90.0	0.041	0.4425
0.95	102.0	0.0593	0.4568
0.95	114.0	-0.2948	0.3574
0.95	126.0	-0.0446	0.3903
0.95	138.0	0.0308	0.3907
0.95	150.0	-0.0888	0.4307
0.95	162.0	0.4046	0.4132
0.95	174.0	-0.4814	0.3913
0.95	198.0	0.1802	0.44

CLAS Physics Database