Measurement E151M1387

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:	0.0113
Q²:	0.0071 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.667

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	42.0	-0.7243	0.7351
0.35	54.0	0.0185	0.881
0.45	42.0	-0.583	0.7383
0.45	54.0	-0.4913	0.5849
0.45	234.0	1.0716	0.7874
0.55	42.0	0.6582	0.7619
0.55	54.0	-0.5889	0.7065
0.55	222.0	-1.3065	0.7984
0.55	234.0	-0.7605	0.7252
0.55	246.0	0.1458	0.8631
0.65	162.0	-0.565	0.8912
0.65	210.0	-0.7873	0.8404
0.65	222.0	0.9627	0.6463
0.65	234.0	0.108	0.5809
0.65	246.0	0.2975	0.7539
0.75	210.0	-0.1067	0.8344
0.75	222.0	-0.4436	0.7251
0.75	234.0	0.8359	0.7455
0.75	246.0	-0.2216	0.7703
0.75	258.0	0.1484	0.8472
0.85	222.0	-0.2526	0.6485
0.85	234.0	-0.6736	0.6575
0.85	246.0	1.3528	0.6441

CLAS Physics Database