Measurement E151M1019

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:	0.5709
Q²:	0.4155 GeV²
W:	1415.0 GeV
E_beam:	2.999 GeV
ε:	0.9221

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	294.0	-0.3108	0.6016
0.45	90.0	-0.2301	0.7904
0.55	66.0	0.4597	0.8086
0.55	78.0	1.6471	0.8385
0.55	90.0	0.0628	0.6428
0.55	102.0	-0.5896	0.6085
0.65	78.0	-0.4442	0.5811
0.65	90.0	1.3679	0.5293
0.65	102.0	-0.3884	0.5443
0.65	114.0	-1.1984	0.4824
0.65	246.0	-0.004	0.8205
0.65	258.0	-1.352	0.4368
0.65	270.0	-0.4348	0.5976
0.65	282.0	1.2235	0.8439
0.75	54.0	0.3197	0.6296
0.75	66.0	2.069	0.9187
0.75	78.0	-0.6679	0.4742
0.75	90.0	-0.5921	0.4448
0.75	102.0	-0.1654	0.5997
0.75	114.0	1.7252	0.8469
0.75	126.0	-0.3023	0.7987
0.75	234.0	0.2862	0.8103
0.75	246.0	1.44	0.8374
0.75	258.0	0.835	0.6425
0.75	270.0	0.301	0.5202
0.75	282.0	-0.2348	0.4866
0.75	294.0	-0.7161	0.5014
0.75	306.0	0.7503	0.752
0.85	42.0	1.3793	0.8985
0.85	54.0	0.3102	0.7058
0.85	78.0	0.1832	0.6142
0.85	90.0	-0.4453	0.4751
0.85	102.0	0.627	0.5761
0.85	114.0	0.5369	0.6961
0.85	126.0	0.6709	0.8051
0.85	210.0	-0.3859	0.7285
0.85	222.0	0.4932	0.6198
0.85	234.0	0.0222	0.6197
0.85	246.0	0.3535	0.6671
0.85	258.0	-0.5493	0.5481
0.85	270.0	0.4439	0.546
0.85	282.0	0.155	0.4849
0.85	294.0	0.2404	0.5166
0.85	306.0	-0.1888	0.4817
0.85	318.0	-0.8528	0.4389
0.95	210.0	-0.9171	0.594
0.95	222.0	-1.0493	0.5082
0.95	234.0	-0.0985	0.5644
0.95	246.0	-0.5427	0.511
0.95	258.0	-0.2273	0.5691
0.95	270.0	-0.1238	0.4551
0.95	282.0	-0.1056	0.5161
0.95	294.0	-0.1532	0.4903
0.95	306.0	-0.0327	0.524
0.95	318.0	0.2535	0.5176
0.95	330.0	-0.284	0.5924
0.95	342.0	-0.4795	0.6145

CLAS Physics Database