Measurement E151M2971

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:	0.6182
Q²:	0.2445 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.9002

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	270.0	-0.0585	0.2729
0.65	90.0	-0.0676	0.2382
0.65	102.0	-0.5291	0.2099
0.65	258.0	0.0027	0.2505
0.65	270.0	0.1281	0.2804
0.65	282.0	0.3272	0.2615
0.65	294.0	0.2765	0.2451
0.75	78.0	-0.0148	0.2174
0.75	90.0	0.1234	0.2195
0.75	102.0	-0.0318	0.2274
0.75	114.0	0.3003	0.2161
0.75	246.0	-0.1631	0.2407
0.75	258.0	-0.306	0.1792
0.75	270.0	0.0195	0.2049
0.75	282.0	-0.1265	0.2749
0.85	90.0	0.1174	0.1834
0.85	102.0	0.2112	0.1845
0.85	114.0	0.024	0.2317
0.85	126.0	-0.172	0.2457
0.85	138.0	0.2374	0.2567
0.85	222.0	-0.0818	0.2752
0.85	234.0	-0.0267	0.2153
0.85	246.0	0.5561	0.2325
0.85	258.0	-0.1222	0.2111
0.85	270.0	0.2976	0.1798
0.85	282.0	0.1223	0.2035
0.85	294.0	-0.2458	0.1963
0.95	90.0	-0.1717	0.2178
0.95	102.0	-0.0908	0.2656
0.95	114.0	-0.2363	0.2464
0.95	126.0	0.3409	0.2225
0.95	138.0	-0.0914	0.2638
0.95	150.0	0.4401	0.2302
0.95	234.0	0.3	0.2318
0.95	246.0	0.2688	0.2704
0.95	258.0	0.2354	0.1892
0.95	270.0	0.1244	0.2309
0.95	282.0	-0.1641	0.2551
0.95	294.0	-0.2658	0.2601

CLAS Physics Database