Measurement E151M169

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:	0.0223
Q²:	0.0143 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6575

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	-0.69	0.6657
0.25	54.0	-0.4709	0.7155
0.35	30.0	-0.2258	0.7537
0.35	42.0	0.7578	0.6355
0.35	54.0	0.3428	0.4926
0.35	66.0	1.2383	0.816
0.45	30.0	1.7928	0.839
0.45	42.0	1.2322	0.5616
0.45	54.0	-0.9396	0.4432
0.45	66.0	1.1044	0.6313
0.45	222.0	1.3651	0.8025
0.45	234.0	0.4547	0.6473
0.45	246.0	1.2922	0.8049
0.55	30.0	-0.1636	0.7174
0.55	42.0	1.1889	0.6723
0.55	54.0	0.373	0.5019
0.55	66.0	-0.7942	0.676
0.55	150.0	-1.651	0.5488
0.55	174.0	-0.3501	0.7775
0.55	222.0	1.8059	0.6918
0.55	234.0	-0.5936	0.5269
0.55	246.0	0.7374	0.5285
0.55	258.0	-1.1788	0.5226
0.65	54.0	-0.0216	0.8409
0.65	150.0	-0.095	0.6094
0.65	162.0	-0.659	0.6012
0.65	174.0	0.6809	0.7326
0.65	210.0	1.1648	0.8357
0.65	222.0	-0.097	0.5208
0.65	234.0	0.9023	0.5584
0.65	246.0	0.1971	0.5113
0.65	258.0	1.3543	0.669
0.75	30.0	0.2232	0.7395
0.75	138.0	-0.9062	0.6112
0.75	150.0	1.593	0.8005
0.75	162.0	-1.0882	0.6627
0.75	222.0	0.253	0.5494
0.75	234.0	-0.008	0.4931
0.75	246.0	-0.5807	0.4435
0.75	258.0	-0.5035	0.5298
0.85	210.0	-0.2006	0.6429
0.85	222.0	1.1795	0.5611
0.85	234.0	-0.074	0.4301
0.85	246.0	-0.2225	0.4306
0.85	258.0	-0.7054	0.5107
0.95	246.0	0.0199	0.5892

CLAS Physics Database