CLAS Physics Database

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Measurement E151M2703

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: A_LU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π⁺n, polarization: none

Q² :	0.0415 GeV²
W :	1295 GeV
ε :	0.9075
E_beam :	1.3383 GeV
ε_L:	0.189

Select data slice:
cos(θ_π⁺) =

Observable quantity measured (Y axis): A_LU,
Plot measurement data

Parameter (X axis): φ(π⁺), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θ_π⁺)	φ(π⁺), degrees	A_LU	Stat. error	Syst. error
0.15	30	-0.0855	0.377	0.03
0.15	42	0.0135	0.3007	0.03
0.25	42	-0.1086	0.385	0.0301
0.55	246	0.0325	0.3645	0.03
0.55	258	-0.1944	0.2588	0.0303
0.55	270	0.0991	0.3106	0.0301
0.65	126	0.0208	0.3597	0.03
0.65	138	0.0119	0.3868	0.03
0.65	234	-0.2942	0.2765	0.0306
0.65	246	-0.5482	0.1816	0.0319
0.65	258	0.088	0.2744	0.0301
0.65	270	0.0681	0.2808	0.03
0.75	114	-0.3524	0.3058	0.0308
0.75	126	-0.2476	0.2626	0.0304
0.75	138	-0.019	0.258	0.03
0.75	150	0.4785	0.258	0.0315
0.75	162	0.6324	0.1924	0.0326
0.75	222	-0.5354	0.2876	0.0319
0.75	234	-0.1284	0.2341	0.0301
0.75	246	0.1679	0.2157	0.0302
0.75	258	-0.0774	0.2249	0.03
0.75	270	-0.2396	0.215	0.0304
0.75	282	0.1619	0.2993	0.0302
0.85	114	-0.5063	0.2408	0.0317
0.85	126	-0.0662	0.285	0.03
0.85	138	0.1683	0.2511	0.0302
0.85	150	0.2061	0.2467	0.0303
0.85	162	0.1531	0.3653	0.0302
0.85	174	0.6016	0.2672	0.0323
0.85	210	0.1853	0.3717	0.0302
0.85	222	-0.3397	0.3089	0.0308
0.85	234	-0.2719	0.2444	0.0305
0.85	246	0.1174	0.2411	0.0301
0.85	258	0.3543	0.1902	0.0308
0.85	270	0.0653	0.2484	0.03
0.85	282	0.2144	0.2592	0.0303
0.95	114	-0.9571	0.1176	0.0356
0.95	126	0.1578	0.3908	0.0302
0.95	150	-0.0214	0.3751	0.03
0.95	246	0.263	0.2942	0.0305
0.95	258	0.4877	0.2443	0.0315
0.95	270	-0.279	0.3169	0.0305
0.05	42	0.2893	0.2549	0.0306
0.15	42	-0.3691	0.1972	0.0309
0.15	54	0.2594	0.2684	0.0304
0.25	42	-0.1812	0.2666	0.0302
0.35	30	-0.0029	0.2409	0.03
0.45	42	0.1548	0.2686	0.0302
0.55	246	-0.1556	0.2361	0.0302
0.55	258	0.0484	0.189	0.03
0.55	270	0.3476	0.2288	0.0308
0.65	138	-0.1339	0.2743	0.0301
0.65	234	-0.0321	0.1759	0.03
0.65	246	0.349	0.1491	0.0308
0.65	258	0.0714	0.1584	0.03
0.65	270	-0.1496	0.1994	0.0301
0.65	282	-0.0283	0.2819	0.03
0.75	114	-0.177	0.2538	0.0302
0.75	126	0.0097	0.2205	0.03
0.75	138	-0.0087	0.1899	0.03
0.75	150	0.1406	0.1727	0.0301
0.75	162	0.1308	0.2192	0.0301
0.75	174	-0.2996	0.2572	0.0306
0.75	186	0.2925	0.2509	0.0306
0.75	210	-0.0174	0.2642	0.03
0.75	222	0.0148	0.2088	0.03
0.75	234	0.0614	0.1531	0.03
0.75	246	-0.0036	0.1563	0.03
0.75	258	-0.448	0.137	0.0313
0.75	270	-0.0405	0.1928	0.03
0.75	282	-0.6995	0.1829	0.0331
0.85	114	0.2935	0.253	0.0306
0.85	126	0.1962	0.1679	0.0303
0.85	138	0.0827	0.1679	0.03
0.85	150	-0.0788	0.1721	0.03
0.85	162	0.1545	0.1971	0.0302
0.85	174	0.0348	0.2144	0.03
0.85	186	-0.2076	0.2212	0.0303
0.85	222	-0.0438	0.2465	0.03
0.85	234	0.2392	0.1682	0.0304
0.85	246	0.1097	0.1552	0.0301
0.85	258	-0.2534	0.1472	0.0304
0.85	270	-0.1858	0.1468	0.0302
0.85	282	-0.1284	0.2099	0.0301
0.95	126	-0.0211	0.259	0.03
0.95	174	-0.0467	0.2847	0.03
0.95	234	-0.1602	0.2486	0.0302
0.95	246	0.0623	0.2442	0.03
0.95	258	0.1373	0.2203	0.0301
0.95	270	-0.059	0.2471	0.03