Measurement E151M2622

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:	0.089
Q²:	0.0707 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.5838

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.15	42.0	-0.4044	0.2316
0.25	54.0	-0.1752	0.2567
0.35	42.0	0.0813	0.2268
0.45	30.0	-0.416	0.2281
0.45	42.0	0.2391	0.2268
0.45	54.0	-0.274	0.228
0.45	234.0	0.0768	0.2508
0.45	258.0	-0.2435	0.2561
0.55	222.0	-0.5897	0.1964
0.55	234.0	-0.1098	0.1886
0.55	246.0	-0.2345	0.1936
0.55	258.0	-0.015	0.2375
0.55	270.0	0.2738	0.2396
0.65	150.0	0.458	0.2016
0.65	162.0	0.2382	0.2509
0.65	222.0	0.4113	0.2073
0.65	234.0	0.0068	0.2173
0.65	246.0	-0.377	0.1854
0.65	258.0	-0.0031	0.2041
0.65	270.0	0.3428	0.2334
0.75	138.0	-0.3802	0.2128
0.75	174.0	0.1673	0.2462
0.75	222.0	-0.1092	0.2344
0.75	234.0	-0.2602	0.2106
0.75	246.0	-0.2796	0.1602
0.75	258.0	0.0471	0.1938
0.75	270.0	-0.3086	0.2139
0.85	234.0	0.4668	0.2175
0.85	246.0	-0.3331	0.1774
0.85	258.0	-0.1261	0.1669
0.85	270.0	0.0371	0.1992
0.95	138.0	0.1373	0.2492

CLAS Physics Database