Measurement E151M1450

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_LL
ε_L:	0.717
Q²:	0.1435 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.8817

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	282.0	-0.0125	0.6643
0.45	270.0	0.2277	0.6175
0.45	282.0	0.558	0.5286
0.45	294.0	1.0523	0.6202
0.55	270.0	-0.4758	0.5425
0.55	282.0	0.0431	0.4951
0.55	294.0	-0.2301	0.6298
0.65	258.0	0.1969	0.5197
0.65	270.0	-0.4281	0.423
0.65	282.0	0.4531	0.4851
0.65	294.0	-0.4634	0.5758
0.75	246.0	-0.1621	0.5623
0.75	258.0	-0.4469	0.619
0.75	270.0	0.6556	0.4699
0.75	282.0	0.2033	0.4454
0.75	294.0	0.4687	0.4869
0.85	90.0	0.6416	0.6572
0.85	102.0	0.5655	0.5744
0.85	114.0	-0.1622	0.4817
0.85	126.0	1.0468	0.507
0.85	138.0	0.3024	0.5712
0.85	246.0	1.0396	0.5648
0.85	258.0	0.1409	0.6063
0.85	270.0	0.3893	0.5249
0.85	282.0	-0.2706	0.5377
0.95	90.0	-0.0036	0.5393
0.95	102.0	0.8914	0.4687
0.95	114.0	0.8618	0.4681
0.95	126.0	-0.3911	0.5057
0.95	138.0	-0.1664	0.4435
0.95	150.0	0.1366	0.5502
0.95	162.0	0.2534	0.5065
0.95	174.0	-0.0048	0.5008
0.95	186.0	0.1049	0.5183
0.95	198.0	0.2435	0.4563
0.95	210.0	0.3329	0.5437
0.95	222.0	-0.5198	0.6126
-0.05	42.0	-1.9081	1.9081
0.45	270.0	-0.1795	0.7493
0.45	282.0	-0.0704	0.6854
0.45	294.0	-0.4552	0.6746
0.55	270.0	-0.3794	0.6521
0.55	282.0	-0.96	0.5402
0.55	294.0	0.0093	0.7285
0.65	258.0	-0.7896	0.6313
0.65	270.0	-0.3514	0.568
0.65	282.0	1.7785	1.7785
0.75	246.0	0.8208	0.7177
0.75	258.0	0.1853	0.6492
0.75	270.0	-0.0158	0.6968
0.75	282.0	-0.1023	0.6748
0.75	294.0	-0.8743	0.5476
0.85	90.0	0.4307	0.8548
0.85	102.0	0.5792	0.8616
0.85	114.0	0.2182	0.7116
0.85	126.0	-0.1905	0.6012
0.85	138.0	-0.1576	0.835
0.85	150.0	0.8974	0.7447
0.85	258.0	-0.4023	0.6839
0.85	270.0	0.2613	0.6483
0.85	282.0	0.7019	0.7075
0.95	102.0	1.6227	1.6227
0.95	114.0	0.285	0.7059
0.95	126.0	0.5387	0.6094
0.95	138.0	-0.9984	0.529
0.95	150.0	1.0809	0.6116
0.95	162.0	0.1165	0.6779
0.95	174.0	1.2659	0.4079

CLAS Physics Database