Measurement E151M1349

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:	0.0208
Q²:	0.0084 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7654

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	42.0	0.5007	0.8642
0.35	54.0	1.3719	0.9552
0.45	42.0	0.3279	0.7814
0.45	54.0	0.4515	0.8031
0.55	30.0	1.065	0.8698
0.55	42.0	-0.0255	0.6655
0.55	54.0	0.0399	0.6752
0.55	162.0	0.5163	1.0036
0.55	222.0	-0.2668	0.8254
0.55	234.0	-0.43	0.6933
0.55	246.0	-0.6922	0.5796
0.65	30.0	-0.7326	0.9821
0.65	42.0	-0.2651	0.7927
0.65	54.0	-0.7765	0.8424
0.65	150.0	0.7026	0.915
0.65	162.0	-1.115	0.9768
0.65	174.0	0.3469	0.9219
0.65	210.0	-0.5843	0.8899
0.65	222.0	0.1124	0.7954
0.65	234.0	0.1341	0.6063
0.65	246.0	-0.3848	0.5401
0.65	258.0	0.8942	0.8921
0.75	162.0	1.3435	0.8912
0.75	210.0	-0.2673	0.94
0.75	222.0	-0.3569	0.6613
0.75	234.0	-0.4013	0.6019
0.75	246.0	-0.4468	0.6626
0.85	222.0	-0.6756	0.7104
0.85	234.0	-0.7533	0.6527
0.85	246.0	-0.5707	0.6762
0.85	258.0	-0.4471	0.8296

CLAS Physics Database