Measurement E151M1443

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:	0.2909
Q²:	0.0415 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.9364

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.15	42.0	-0.175	0.5078	0.0376
0.25	30.0	1.1593	0.5874	0.0738
0.25	42.0	-0.5153	0.382	0.0437
0.25	54.0	-0.4233	0.4741	0.0458
0.45	270.0	0.3585	0.4129	0.0373
0.45	282.0	-0.8934	0.3286	0.0623
0.55	258.0	0.1439	0.3251	0.0318
0.55	270.0	0.0279	0.2624	0.0312
0.55	282.0	0.0316	0.3681	0.0301
0.65	234.0	0.3802	0.6205	0.0377
0.65	246.0	-0.0682	0.3731	0.0329
0.65	258.0	-0.0549	0.2573	0.0304
0.65	270.0	0.19	0.2772	0.0348
0.65	282.0	-0.9925	0.2589	0.0666
0.75	126.0	0.0571	0.5219	0.0407
0.75	138.0	0.7132	0.3942	0.0521
0.75	150.0	-0.4646	0.4652	0.041
0.75	162.0	-0.3968	0.4701	0.0391
0.75	222.0	-0.9299	0.664	0.0618
0.75	234.0	0.3366	0.4413	0.0395
0.75	246.0	0.0776	0.2792	0.0363
0.75	258.0	-0.0639	0.2545	0.0302
0.75	270.0	0.1151	0.2581	0.0317
0.75	282.0	0.0732	0.3106	0.0308
0.85	114.0	-0.6155	0.5464	0.0475
0.85	126.0	-0.1586	0.4123	0.0332
0.85	138.0	-0.3662	0.3173	0.0373
0.85	150.0	-0.1344	0.3468	0.0374
0.85	162.0	0.3859	0.331	0.0403
0.85	174.0	-0.433	0.331	0.0469
0.85	186.0	-0.0376	0.3101	0.0302
0.85	198.0	-0.1781	0.3952	0.0318
0.85	210.0	0.0276	0.4177	0.0302
0.85	222.0	-0.108	0.4628	0.033
0.85	234.0	0.814	0.386	0.058
0.85	246.0	-0.5455	0.2987	0.0441
0.85	258.0	0.2708	0.2719	0.0343
0.85	270.0	0.2654	0.294	0.0339
0.85	282.0	0.4401	0.4496	0.0399
0.95	138.0	-0.2121	0.3822	0.0329
0.95	150.0	0.0383	0.3846	0.0305
0.95	162.0	-0.6066	0.3425	0.0483
0.95	174.0	0.7182	0.3554	0.0521
0.95	186.0	-0.4775	0.3747	0.0453
0.95	198.0	-0.0044	0.6372	0.03
0.95	210.0	0.3493	0.5062	0.0366

CLAS Physics Database