Measurement E151M348

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:	0.0231
Q²:	0.0121 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.8087

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	30.0	0.2298	0.611
0.55	42.0	-0.5278	0.596
0.55	126.0	-0.9595	0.8248
0.55	138.0	-0.6912	0.8709
0.55	150.0	-0.5129	0.8877
0.55	162.0	-0.3744	0.6518
0.55	210.0	-0.7924	0.7077
0.55	222.0	0.8601	0.5166
0.55	234.0	0.3199	0.4369
0.65	126.0	-0.7119	0.6515
0.65	138.0	-1.2334	0.5803
0.65	150.0	-0.4391	0.6436
0.65	210.0	0.5761	0.6634
0.65	222.0	0.3425	0.5536
0.65	234.0	0.7426	0.4922
0.65	246.0	0.5249	0.6812
0.75	150.0	-1.2305	0.5235
0.75	210.0	1.0811	0.6514
0.75	222.0	-0.8947	0.5532
0.75	234.0	0.399	0.5146
0.75	246.0	0.4437	0.5874
0.85	210.0	1.0468	0.6554
0.85	222.0	0.1084	0.5085
0.85	234.0	-0.187	0.511
0.55	246.0	0.5447	0.9632
0.65	138.0	-0.4666	0.8022
0.65	210.0	2.3641	2.3641
0.65	222.0	0.3226	0.7639
0.65	234.0	-0.6705	0.6347
0.65	246.0	0.5065	0.9741
0.75	138.0	-1.6845	0.4616
0.75	222.0	-0.5126	0.6025
0.75	234.0	-0.2094	0.6672
0.75	246.0	1.2439	1.0736
0.85	210.0	-0.297	0.8022
0.85	222.0	-0.0368	0.8108
0.85	234.0	-0.3279	0.6312
0.85	246.0	-0.3538	0.78

CLAS Physics Database