Measurement E151M101

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:	0.3392
Q²:	0.1435 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.6965

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	282.0	-0.4611	0.7599
0.55	246.0	-0.327	0.6904
0.55	258.0	-0.4024	0.5592
0.55	270.0	0.6305	0.7384
0.55	282.0	1.2072	0.727
0.65	246.0	0.16	0.5684
0.65	258.0	0.0008	0.6445
0.65	270.0	0.1019	0.5659
0.65	282.0	-1.2609	0.616
0.75	138.0	0.4823	0.7018
0.75	150.0	0.593	0.6735
0.75	234.0	0.4567	0.721
0.75	246.0	-0.8615	0.5331
0.75	258.0	0.4916	0.5359
0.75	270.0	-0.2078	0.5341
0.75	282.0	-0.8527	0.4343
0.75	294.0	0.4342	0.7322
0.85	114.0	0.0645	0.8094
0.85	126.0	0.2507	0.666
0.85	138.0	0.7176	0.617
0.85	150.0	0.9823	0.6694
0.85	162.0	0.5765	0.634
0.85	174.0	-0.1721	0.7171
0.85	186.0	1.2104	0.8247
0.85	198.0	0.6233	0.8177
0.85	246.0	-0.3398	0.647
0.85	258.0	0.1593	0.5962
0.85	270.0	0.3667	0.5361
0.85	282.0	-0.604	0.4673
0.85	294.0	0.5586	0.6515
0.95	90.0	0.4961	0.6653
0.95	138.0	-0.1543	0.5795
0.95	150.0	-0.3859	0.5462
0.95	162.0	1.1336	0.6048
0.95	174.0	0.4215	0.6576
0.95	186.0	0.3095	0.5529
0.95	258.0	0.0907	0.6098
0.95	270.0	-0.9985	0.4764

CLAS Physics Database