Measurement E151M2960

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:	0.1416
Q²:	0.0348 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.9567

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	306.0	0.0103	0.2879
0.35	306.0	0.0346	0.246
0.45	78.0	0.1689	0.2239
0.45	90.0	0.3408	0.2169
0.45	282.0	0.1324	0.2695
0.45	294.0	-0.1902	0.269
0.55	78.0	0.0953	0.2083
0.55	90.0	0.2109	0.2271
0.55	102.0	-0.4383	0.2488
0.55	258.0	0.4311	0.2479
0.55	282.0	0.1821	0.2664
0.55	294.0	-0.0914	0.2799
0.65	78.0	0.0195	0.222
0.65	222.0	-0.1492	0.2815
0.65	234.0	-0.1489	0.2507
0.65	246.0	-0.1522	0.1914
0.65	258.0	0.3615	0.2046
0.75	114.0	0.0946	0.2485
0.75	126.0	-0.3871	0.1944
0.75	138.0	0.1467	0.2114
0.75	234.0	0.0376	0.18
0.75	246.0	0.1417	0.1695
0.75	258.0	-0.0311	0.1892
0.75	270.0	0.2072	0.248
0.85	114.0	-0.0807	0.2682
0.85	126.0	-0.0684	0.2272
0.85	138.0	0.2168	0.2067
0.85	150.0	0.3438	0.2861
0.85	222.0	-0.1984	0.2233
0.85	234.0	0.0901	0.2433
0.85	246.0	-0.1303	0.205
0.85	258.0	0.0537	0.1861

CLAS Physics Database