Measurement E151M222

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:	0.3377
Q²:	0.0496 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.9323

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	-0.3424	0.4037
0.45	270.0	-0.7173	0.3082
0.45	282.0	0.3963	0.3533
0.55	258.0	-0.0288	0.3546
0.55	270.0	0.0277	0.2695
0.55	282.0	-0.3916	0.239
0.65	246.0	-0.1044	0.2716
0.65	258.0	-0.0576	0.262
0.65	270.0	-0.4818	0.1895
0.65	282.0	-0.3283	0.2412
0.75	126.0	-0.2257	0.752
0.75	138.0	0.0315	0.6755
0.75	234.0	0.3128	0.7076
0.75	246.0	0.4394	0.5293
0.75	258.0	-0.0511	0.3717
0.75	270.0	-0.2917	0.3276
0.75	282.0	0.3196	0.4772
0.85	114.0	0.1005	0.5986
0.85	126.0	0.5651	0.5264
0.85	138.0	-0.2269	0.45
0.85	150.0	0.5004	0.5702
0.85	162.0	0.5312	0.5613
0.85	174.0	-0.8337	0.3218
0.85	186.0	-0.026	0.5051
0.85	198.0	-0.3725	0.4801
0.85	234.0	0.3415	0.8242
0.85	246.0	0.0703	0.5185
0.85	258.0	-0.4135	0.3273
0.85	270.0	0.8998	0.59
0.85	282.0	0.4073	0.6502
0.95	126.0	0.3044	0.6568
0.95	138.0	0.062	0.5687
0.95	150.0	-0.1891	0.5457
0.95	162.0	-0.6046	0.4038
0.95	174.0	-0.2417	0.5359
0.95	186.0	0.6216	0.7418
0.95	198.0	-0.1292	0.534
0.65	294.0	1.3273	0.4014
0.75	138.0	0.3735	0.5167
0.75	150.0	0.9562	0.4879
0.75	234.0	-0.7171	0.3806
0.75	246.0	-0.3865	0.3129
0.75	258.0	-0.201	0.2737
0.75	270.0	-0.584	0.2847
0.75	282.0	0.0304	0.3149
0.85	114.0	0.1859	0.3952
0.85	126.0	-0.3139	0.3338
0.85	138.0	0.5924	0.2931
0.85	150.0	0.3471	0.2922
0.85	162.0	0.2438	0.2805
0.85	174.0	0.2853	0.3726
0.85	186.0	-0.3189	0.3537
0.85	198.0	-0.2765	0.3616
0.85	210.0	-0.5906	0.4035
0.85	222.0	0.4672	0.4336
0.85	246.0	-0.2412	0.3349
0.85	258.0	-0.2236	0.34
0.85	270.0	0.099	0.2868
0.85	282.0	0.1004	0.4073
0.95	126.0	-0.3639	0.3575
0.95	150.0	0.0189	0.3387
0.95	162.0	-0.0123	0.3419
0.95	174.0	-0.3175	0.3662
0.95	186.0	-0.1745	0.4098
0.95	198.0	0.7436	0.4219

CLAS Physics Database