CLAS Physics Database

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Measurement E151M3536

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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 :	0.348 GeV²
W :	1595 GeV
ε :	0.8838
E_beam :	2.999 GeV
ε_L:	0.2677

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	282	0.0046	0.2745	0.03
0.55	102	-0.5404	0.1802	0.0319
0.55	126	0.2168	0.2465	0.0303
0.55	294	-0.1914	0.2783	0.0302
0.55	306	-0.2972	0.2393	0.0306
0.65	90	0.0235	0.2405	0.03
0.65	102	0.0724	0.2208	0.03
0.65	114	-0.137	0.2139	0.0301
0.65	246	-0.2261	0.2427	0.0303
0.65	294	-0.5491	0.2189	0.0319
0.65	306	0.1273	0.237	0.0301
0.75	54	0.1743	0.2745	0.0302
0.75	66	0.0842	0.2593	0.03
0.75	90	0.1583	0.2636	0.0302
0.75	102	-0.1218	0.1889	0.0301
0.75	114	-0.2864	0.183	0.0305
0.75	126	-0.0461	0.2501	0.03
0.75	198	-0.5175	0.2216	0.0317
0.75	210	-0.094	0.2501	0.0301
0.75	222	-0.4109	0.2346	0.0311
0.75	234	-0.2341	0.1933	0.0304
0.75	246	-0.1425	0.2275	0.0301
0.75	270	-0.1834	0.2655	0.0302
0.85	54	-0.3803	0.224	0.0309
0.85	66	0.3632	0.1691	0.0309
0.85	78	-0.2527	0.2007	0.0304
0.85	90	-0.0756	0.2758	0.03
0.85	114	-0.1439	0.2235	0.0301
0.85	126	0.3376	0.2647	0.0308
0.85	186	-0.2808	0.2386	0.0305
0.85	198	-0.2025	0.2226	0.0303
0.85	210	-0.1856	0.213	0.0302
0.85	222	0.2223	0.213	0.0303
0.85	234	-0.3611	0.2092	0.0309
0.85	246	-0.2227	0.1971	0.0303
0.85	258	0.0337	0.1813	0.03
0.85	270	-0.1578	0.1813	0.0302
0.85	282	-0.0633	0.2241	0.03
0.95	78	-0.44	0.2585	0.0313
0.95	198	-0.4387	0.238	0.0313
0.95	210	-0.1031	0.2334	0.0301
0.95	222	-0.0225	0.2227	0.03
0.95	234	-0.4938	0.2032	0.0316
0.95	246	0.1329	0.2146	0.0301
0.95	258	-0.297	0.2177	0.0306
0.95	270	0.3037	0.1599	0.0306
0.95	282	-0.3078	0.2038	0.0306
0.95	294	-0.0385	0.1868	0.03
0.95	306	-0.0948	0.2051	0.0301
0.95	318	0.12	0.2694	0.0301