Measurement E151M205

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_UL
ε_L:	0.4272
Q²:	0.0496 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9438

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	282.0	0.1772	0.4525	0.0347
0.55	270.0	-0.4107	0.2782	0.0396
0.55	282.0	-0.1204	0.3399	0.0311
0.65	258.0	-0.4011	0.2963	0.0388
0.65	270.0	-0.2557	0.2606	0.0338
0.65	282.0	-0.3104	0.2884	0.0499
0.75	258.0	-0.1641	0.3036	0.0327
0.75	270.0	-0.0302	0.3003	0.0337
0.85	114.0	-0.6857	0.4814	0.051
0.85	126.0	0.4224	0.3894	0.0397
0.85	138.0	0.0729	0.3284	0.0324
0.85	150.0	0.489	0.3468	0.0444
0.85	162.0	-0.2266	0.254	0.0367
0.85	174.0	-0.3532	0.3027	0.0375
0.85	186.0	-0.7316	0.3031	0.0636
0.85	198.0	0.0246	0.3195	0.0348
0.85	210.0	-0.4409	0.3341	0.0566
0.95	138.0	0.3307	0.409	0.0363
0.95	150.0	-0.2106	0.3442	0.0327
0.95	162.0	0.6165	0.4034	0.0486
0.95	174.0	0.0894	0.3403	0.0305
0.95	186.0	-0.1384	0.3685	0.0312
0.95	198.0	-0.6142	0.3499	0.0484
0.85	270.0	-0.7717	0.3567	0.0553
0.95	138.0	-0.0579	0.4705	0.0302
0.95	150.0	0.7218	0.6871	0.0528
0.95	162.0	0.0717	0.5236	0.0303
0.95	174.0	0.2321	0.5934	0.0331
0.95	186.0	-0.8205	0.2599	0.0578
0.95	198.0	2.1328	2.1328	0.1319

CLAS Physics Database