CLAS Physics Database

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Measurement E151M1236

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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_LL,

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

Q² :	0.0844 GeV²
W :	1205 GeV
ε :	0.8747
E_beam :	1.0539 GeV
ε_L:	0.6043

Select data slice:
cos(θ_π⁺) =

Observable quantity measured (Y axis): A_LL,
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_LL	Stat. error	Syst. error
0.45	282	0.0966	0.5287	0.0319
0.55	270	-0.3947	0.375	0.0537
0.55	282	-0.4256	0.4018	0.0566
0.55	294	-0.1737	0.4898	0.0358
0.65	258	0.176	0.5106	0.036
0.65	270	-0.2002	0.4224	0.0376
0.65	282	0.1932	0.3626	0.0371
0.75	258	0.328	0.459	0.0476
0.75	270	-0.2809	0.4032	0.0436
0.75	282	0.2525	0.4711	0.0414
0.85	138	-0.2695	0.4709	0.0427
0.85	150	-0.9474	0.4089	0.111
0.85	162	-0.6921	0.4351	0.0836
0.85	174	0.0903	0.4498	0.0317
0.85	186	0.382	0.4313	0.0525
0.85	198	-0.3094	0.4612	0.046
0.85	210	0.4729	0.4917	0.0612
0.85	222	-0.053	0.474	0.0306
0.85	234	0.2311	0.543	0.0397
0.95	126	-0.1469	0.4336	0.0343
0.95	138	1.1288	0.3089	0.1308
0.95	150	-0.0675	0.4038	0.031
0.95	162	-0.0707	0.3488	0.031
0.95	174	0.3729	0.4026	0.0517
0.95	186	0.1792	0.3262	0.0362
0.95	198	0.2713	0.3688	0.0429
0.95	210	0.1494	0.3339	0.0344
0.95	222	0.1776	0.363	0.0361