Measurement E151M748

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:	0.869
Q²:	0.2445 GeV²
W:	1265.0 GeV
E_beam:	2.2596 GeV
ε:	0.9385

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	282.0	4.2216	1.6221
0.65	282.0	0.3393	1.6616
0.75	90.0	1.8363	2.0719
0.75	102.0	-4.543	1.4414
0.75	270.0	-0.9256	1.6526
0.75	282.0	0.7765	1.5744
0.75	294.0	2.4234	1.8342
0.85	270.0	-0.9905	1.7535
0.85	282.0	6.1534	6.1534
0.85	294.0	-1.0624	1.4481
0.95	78.0	-8.9784	5.0145
0.95	102.0	7.0438	6.043
0.25	66.0	0.2212	0.4642
0.65	270.0	0.1423	0.4505
0.65	282.0	-0.1855	0.4162
0.75	78.0	0.0259	0.4627
0.75	90.0	-0.4789	0.4269
0.75	270.0	-0.0771	0.4213
0.75	282.0	0.4242	0.4458
0.85	78.0	0.479	0.5252
0.85	90.0	-0.165	0.4397
0.85	102.0	0.3025	0.5241
0.85	114.0	-0.1754	0.5585
0.85	246.0	-0.1022	0.4785
0.85	258.0	0.0315	0.5284
0.85	282.0	-0.1106	0.4475
0.95	270.0	0.0567	0.8334

CLAS Physics Database