Measurement E151M2066

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_LL
ε_L:	0.0659
Q²:	0.0415 GeV²
W:	1505.0 GeV
E_beam:	2.2596 GeV
ε:	0.9161

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	66.0	0.3108	0.6248
0.35	78.0	2.9193	1.7265
0.45	66.0	-1.461	1.8235
0.45	78.0	2.553	1.5776
0.45	90.0	0.4346	2.0013
0.45	282.0	1.8261	1.5159
0.55	78.0	1.1303	1.6854
0.55	114.0	-1.7388	2.0573
0.55	126.0	-0.8137	1.6027
0.55	138.0	-4.8411	1.6424
0.55	282.0	-1.6701	1.5205
0.65	114.0	-0.3985	1.8328
0.65	138.0	-2.4873	1.8911
0.65	222.0	0.9437	1.5317
0.65	234.0	1.4045	1.6854
0.65	246.0	1.0521	1.8234
0.65	294.0	0.6397	1.6034
0.75	126.0	-1.5488	1.7949
0.75	222.0	-1.7341	1.6654
0.75	234.0	3.0165	1.6425
0.75	282.0	3.0046	1.5322
0.85	102.0	1.3522	2.4353
0.85	114.0	-1.5981	2.039
0.85	222.0	0.4162	1.9126
0.85	234.0	0.1923	2.1522
0.35	282.0	-1.0983	0.5973
0.35	294.0	-0.3982	0.583
0.45	78.0	-0.0218	0.617
0.45	270.0	0.0691	0.6
0.45	282.0	-0.1222	0.6487
0.55	78.0	0.3961	0.6073
0.55	114.0	-0.141	0.7312
0.55	138.0	-0.9298	0.6765
0.55	222.0	0.0199	0.7802
0.55	270.0	-0.4244	0.6933
0.55	282.0	-0.4543	0.5814
0.55	294.0	0.102	0.6621
0.65	78.0	-0.4451	0.6679
0.65	126.0	-0.356	0.7023
0.65	138.0	-0.3495	0.7094
0.65	222.0	-0.2702	0.7569
0.65	270.0	0.0778	0.6924
0.75	66.0	-0.7293	0.6645
0.75	114.0	0.2627	0.6522
0.75	126.0	1.3383	0.6807
0.75	138.0	-0.4709	0.8021
0.75	150.0	-0.1806	0.8424
0.75	222.0	0.1011	0.752
0.75	234.0	0.5967	0.7064
0.75	282.0	-0.9495	0.645
0.85	210.0	-1.2568	0.8646
0.85	222.0	0.5349	0.7456
0.85	234.0	-0.9663	0.8824
0.85	246.0	0.1076	0.8492

CLAS Physics Database