Measurement E151M3001

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_LU
ε_L:	0.4592
Q²:	0.2445 GeV²
W:	1385.0 GeV
E_beam:	1.9889 GeV
ε:	0.877

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	78.0	0.3199	0.2392
0.65	90.0	-0.3346	0.2822
0.65	102.0	-0.4538	0.2111
0.65	246.0	0.3908	0.2318
0.65	258.0	-0.1633	0.2642
0.65	270.0	-0.3334	0.2115
0.75	78.0	0.0574	0.2728
0.75	90.0	-0.0637	0.255
0.75	102.0	0.1328	0.2116
0.75	114.0	0.0904	0.2601
0.75	234.0	-0.1118	0.235
0.75	246.0	-0.0424	0.2453
0.75	258.0	0.1252	0.2247
0.75	270.0	-0.2533	0.219
0.75	282.0	-0.2132	0.2649
0.85	66.0	0.0107	0.283
0.85	90.0	0.0278	0.2378
0.85	102.0	-0.0738	0.2376
0.85	114.0	0.0854	0.2341
0.85	126.0	0.0361	0.212
0.85	138.0	0.1742	0.2659
0.85	222.0	-0.1874	0.2226
0.85	234.0	0.4807	0.2332
0.85	246.0	-0.0694	0.1851
0.85	258.0	-0.3796	0.1964
0.85	270.0	0.2459	0.2041
0.85	282.0	0.0496	0.213
0.85	294.0	-0.0276	0.2917
0.95	114.0	0.0906	0.2563
0.95	138.0	0.0212	0.2693
0.95	234.0	0.3917	0.2363
0.95	246.0	-0.2671	0.2556
0.95	258.0	-0.4653	0.2168
0.95	270.0	0.1281	0.212
0.95	282.0	-0.0146	0.2208
0.95	294.0	-0.3536	0.1977

CLAS Physics Database