Measurement E151M3116

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:	0.0429
Q²:	0.0496 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.8052

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	30.0	0.1765	0.2652
0.35	66.0	-0.2805	0.2493
0.35	78.0	-0.176	0.2475
0.35	270.0	-0.293	0.2609
0.45	78.0	0.0198	0.2396
0.45	90.0	-0.0308	0.2841
0.45	258.0	-0.1227	0.2456
0.45	270.0	0.1363	0.205
0.45	282.0	0.2767	0.2497
0.45	294.0	-0.2073	0.2443
0.55	78.0	0.3223	0.2639
0.55	90.0	-0.101	0.2412
0.55	102.0	-0.2291	0.2688
0.55	114.0	0.0325	0.2528
0.55	138.0	0.2729	0.2211
0.55	210.0	0.4438	0.2257
0.55	222.0	-0.2359	0.2372
0.55	246.0	0.1641	0.2763
0.55	258.0	0.1735	0.2389
0.55	270.0	0.0527	0.1968
0.55	282.0	0.4068	0.2006
0.65	78.0	0.0878	0.2761
0.65	114.0	-0.0608	0.2615
0.65	126.0	-0.1773	0.2128
0.65	138.0	0.1497	0.2222
0.65	150.0	0.5983	0.2446
0.65	198.0	0.0297	0.2812
0.65	210.0	-0.0443	0.2498
0.65	222.0	0.2552	0.2295
0.65	234.0	0.0609	0.231
0.65	258.0	0.4528	0.2511
0.65	282.0	0.0978	0.22
0.65	294.0	-0.1926	0.2557
0.75	66.0	-0.3199	0.2324
0.75	78.0	-0.3068	0.2183
0.75	102.0	0.248	0.2714
0.75	126.0	0.1657	0.2498
0.75	138.0	-0.1724	0.2577
0.75	198.0	-0.2685	0.2472
0.75	210.0	-0.4758	0.1777
0.75	222.0	-0.1472	0.2101
0.75	234.0	0.0825	0.2309
0.75	258.0	0.6905	0.2397
0.75	270.0	0.3759	0.2147
0.75	282.0	-0.0569	0.1979
0.75	294.0	0.1257	0.2594
0.85	102.0	-0.5685	0.2153
0.85	114.0	-0.2266	0.2167
0.85	138.0	-0.5397	0.2228
0.85	198.0	0.2236	0.2569
0.85	210.0	-0.1306	0.2092
0.85	222.0	0.074	0.1967
0.85	234.0	-0.3601	0.2138
0.85	246.0	0.3036	0.2379

CLAS Physics Database