Measurement E151M73

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:	0.2028
Q²:	0.0496 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8313

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	-0.2494	0.6961
0.25	42.0	0.0375	0.7194
0.35	30.0	0.7387	0.6538
0.35	42.0	1.4685	0.6862
0.45	42.0	1.4892	0.6861
0.45	54.0	-0.079	0.8707
0.45	270.0	0.4389	0.6253
0.45	282.0	0.5934	0.7241
0.55	246.0	-1.4155	0.4343
0.55	258.0	0.2528	0.4679
0.55	270.0	0.2408	0.427
0.55	282.0	0.2086	0.5481
0.65	234.0	0.0214	0.4808
0.65	246.0	-0.1489	0.3826
0.65	258.0	-0.3977	0.3206
0.65	270.0	-0.2442	0.3654
0.65	282.0	-0.935	0.4053
0.75	126.0	0.2143	0.6128
0.75	138.0	-0.3569	0.4871
0.75	150.0	0.3699	0.5618
0.75	162.0	0.9619	0.6037
0.75	174.0	-0.2896	0.4976
0.75	186.0	-0.004	0.6116
0.75	198.0	-0.8185	0.6053
0.75	222.0	0.3088	0.6017
0.75	234.0	0.5945	0.4649
0.75	246.0	0.2575	0.3571
0.75	258.0	0.1216	0.348
0.75	270.0	0.0412	0.3402
0.75	282.0	-0.2028	0.4824
0.75	294.0	-0.0487	0.6471
0.85	126.0	-0.0233	0.5192
0.85	138.0	0.5761	0.5242
0.85	150.0	-0.5747	0.4156
0.85	162.0	0.6376	0.4722
0.85	174.0	-0.0265	0.4776
0.85	186.0	0.1053	0.4911
0.85	198.0	-0.6977	0.532
0.85	222.0	0.8833	0.7193
0.85	234.0	-0.0883	0.4985
0.85	246.0	-0.0279	0.33
0.85	258.0	-0.1468	0.3054
0.85	270.0	0.1763	0.3567
0.85	282.0	0.0168	0.4102
0.95	114.0	0.4752	0.5981
0.95	126.0	0.2308	0.5762
0.95	138.0	-0.4627	0.4651
0.95	150.0	-0.0795	0.4436
0.95	162.0	0.6063	0.6061
0.95	174.0	0.0304	0.543
0.95	258.0	-0.6234	0.369
0.95	270.0	0.051	0.4997

CLAS Physics Database