CLAS Physics Database

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Measurement E151M3288

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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 :	1505 GeV
ε :	0.9161
E_beam :	2.2596 GeV
ε_L:	0.0659

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
0.35	66	-0.1068	0.2491	0.0301
0.35	78	0.0498	0.2613	0.03
0.45	66	-0.2185	0.2612	0.0303
0.45	78	0.4403	0.2286	0.0313
0.45	90	-0.3348	0.2605	0.0307
0.45	282	0.3464	0.2393	0.0308
0.55	78	-0.4158	0.215	0.0311
0.55	114	0.4388	0.2437	0.0313
0.55	126	-0.3261	0.2099	0.0307
0.55	138	-0.2039	0.2521	0.0303
0.55	282	-0.147	0.2536	0.0301
0.65	114	0.2879	0.2232	0.0305
0.65	138	0.1289	0.2497	0.0301
0.65	222	-0.3165	0.2005	0.0307
0.65	234	-0.1753	0.2523	0.0302
0.65	246	0.107	0.2774	0.0301
0.65	294	0.0235	0.2492	0.03
0.75	126	0.2534	0.2255	0.0304
0.75	222	-0.0351	0.2336	0.03
0.75	234	0.4198	0.2279	0.0312
0.75	282	-0.0088	0.2466	0.03
0.85	102	0.238	0.2678	0.0304
0.85	114	0.0533	0.2328	0.03
0.85	222	-0.1633	0.2359	0.0302
0.85	234	-0.0962	0.2592	0.0301
0.35	282	-0.0996	0.2348	0.0301
0.35	294	-0.1384	0.2285	0.0301
0.45	78	0.097	0.2359	0.0301
0.45	270	-0.5754	0.1782	0.0321
0.45	282	-0.0457	0.2414	0.03
0.55	78	-0.2521	0.2282	0.0304
0.55	114	0.0194	0.2573	0.03
0.55	138	-0.2893	0.2165	0.0306
0.55	222	0.2506	0.2403	0.0304
0.55	270	0.1359	0.2418	0.0301
0.55	282	0.1446	0.213	0.0301
0.55	294	0.2253	0.2512	0.0303
0.65	78	0.0322	0.2385	0.03
0.65	126	-0.1758	0.2315	0.0302
0.65	138	-0.0139	0.2329	0.03
0.65	222	0.1029	0.242	0.0301
0.65	270	0.1014	0.2433	0.0301
0.75	66	-0.048	0.2426	0.03
0.75	114	-0.1908	0.2234	0.0302
0.75	126	-0.0559	0.2287	0.03
0.75	138	0.1642	0.2496	0.0302
0.75	150	-0.2553	0.256	0.0304
0.75	222	-0.1316	0.2274	0.0301
0.75	234	-0.0758	0.2301	0.03
0.75	282	-0.4428	0.2352	0.0313
0.85	210	0.2484	0.2433	0.0304
0.85	222	0.0483	0.2129	0.03
0.85	234	-0.0762	0.2568	0.03
0.85	246	-0.2229	0.243	0.0303