CLAS Physics Database

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Measurement E151M3283

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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 :	0.205 GeV²
W :	1475 GeV
ε :	0.885
E_beam :	2.2596 GeV
ε_L:	0.2839

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	294	0.1515	0.2599	0.0302
0.65	102	-0.0547	0.2553	0.03
0.65	114	0.2441	0.2357	0.0304
0.65	126	0.0509	0.2515	0.03
0.65	246	-0.3683	0.227	0.0309
0.75	90	-0.2635	0.2333	0.0305
0.75	102	0.4306	0.2158	0.0312
0.75	234	-0.1438	0.2668	0.0301
0.75	246	-0.1819	0.2336	0.0302
0.85	90	0.2327	0.2522	0.0304
0.85	114	0.2095	0.2179	0.0303
0.85	222	-0.045	0.2347	0.03
0.85	246	0.2175	0.2046	0.0303
0.85	258	-0.0979	0.1979	0.0301
0.85	270	-0.4349	0.2327	0.0312
0.95	246	-0.0457	0.2342	0.03
0.95	270	0.0588	0.2351	0.03
0.95	294	-0.0528	0.2613	0.03
0.25	282	-0.3592	0.2412	0.0308
0.35	282	0.1729	0.2475	0.0302
0.45	294	0.1204	0.2586	0.0301
0.55	114	0.379	0.2371	0.0309
0.65	90	0.1147	0.2416	0.0301
0.65	102	-0.0981	0.2289	0.0301
0.65	246	0.0738	0.2649	0.03
0.75	90	-0.2572	0.211	0.0304
0.75	102	0.4848	0.225	0.0315
0.75	114	-0.2239	0.2218	0.0303
0.75	234	-0.4858	0.2044	0.0315
0.75	258	-0.1409	0.2265	0.0301
0.85	66	-0.1828	0.2427	0.0302
0.85	78	0.507	0.2089	0.0317
0.85	114	0.0461	0.2293	0.03
0.85	126	0.4305	0.2138	0.0312
0.85	222	-0.1317	0.2436	0.0301
0.85	234	0.184	0.2429	0.0302
0.85	246	0.3402	0.2317	0.0308
0.85	258	-0.2125	0.2144	0.0303
0.95	78	-0.3308	0.2407	0.0307
0.95	222	0.218	0.2545	0.0303
0.95	258	-0.0314	0.2385	0.03
0.95	270	0.4819	0.2388	0.0315
0.95	282	-0.2067	0.2298	0.0303
0.95	294	0.0132	0.2116	0.03