CLAS Physics Database

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Measurement E151M2660

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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 :	0.0171 GeV²
W :	1235 GeV
ε :	0.9489
E_beam :	1.3383 GeV
ε_L:	0.1308

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
0.55	246	-0.3205	0.3318	0.0307
0.55	258	-0.2368	0.3038	0.0304
0.55	270	-0.1831	0.3318	0.0302
0.55	282	0.1126	0.3283	0.0301
0.65	234	-0.0907	0.3045	0.0301
0.65	246	0.4694	0.261	0.0314
0.65	258	0.049	0.2531	0.03
0.65	270	0.143	0.2796	0.0301
0.75	150	0.2909	0.337	0.0306
0.75	162	-0.0634	0.3789	0.03
0.75	186	0.2627	0.3841	0.0305
0.75	198	-0.69	0.2451	0.033
0.75	234	-0.2226	0.2448	0.0303
0.75	246	0.0737	0.2697	0.03
0.75	258	0.1404	0.2678	0.0301
0.75	270	0.3469	0.3214	0.0308
0.85	138	-0.3884	0.35	0.031
0.85	150	-0.2607	0.3661	0.0304
0.85	162	0.0821	0.3179	0.03
0.85	174	0.0121	0.3285	0.03
0.85	186	-0.0764	0.314	0.03
0.85	234	0.7097	0.2017	0.0332
0.85	246	-0.2127	0.2771	0.0303
0.85	258	-0.7238	0.1824	0.0333
0.45	270	-0.2425	0.2447	0.0304
0.55	246	0.0863	0.2257	0.03
0.55	258	0.0558	0.1967	0.03
0.55	270	-0.0922	0.2073	0.0301
0.55	282	0.0766	0.2704	0.03
0.65	246	-0.2218	0.1827	0.0303
0.65	258	-0.0823	0.1623	0.03
0.65	270	-0.177	0.1812	0.0302
0.65	282	0.1371	0.2612	0.0301
0.75	150	0.0668	0.2454	0.03
0.75	162	0.0971	0.2145	0.0301
0.75	174	-0.1631	0.2475	0.0302
0.75	186	0.0537	0.2653	0.03
0.75	198	-0.3809	0.2505	0.031
0.75	210	-0.1021	0.2643	0.0301
0.75	234	-0.2052	0.215	0.0303
0.75	246	-0.4214	0.1568	0.0312
0.75	258	0.053	0.1621	0.03
0.75	270	-0.2671	0.188	0.0305
0.85	138	-0.1875	0.2669	0.0302
0.85	150	0.332	0.2557	0.0307
0.85	162	0.2867	0.2053	0.0305
0.85	174	-0.1867	0.2287	0.0302
0.85	186	0.0289	0.2497	0.03
0.85	198	-0.0444	0.2633	0.03
0.85	234	-0.0806	0.2426	0.03
0.85	246	-0.4958	0.1975	0.0316
0.85	258	0.0257	0.2674	0.03