CLAS Physics Database

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Measurement E151M1565

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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 :	0.1435 GeV²
W :	1415 GeV
ε :	0.7404
E_beam :	1.3383 GeV
ε_L:	0.2337

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
0.55	234	2.1726	0.8645	0.1298
0.55	246	0.6961	1.105	0.0504
0.55	258	1.0159	0.6348	0.068
0.65	126	-0.6272	1.2386	0.0472
0.65	138	-0.1804	1.3495	0.0318
0.65	234	0.9336	0.9596	0.062
0.65	246	-0.8046	0.9013	0.0568
0.65	258	-0.35	0.583	0.0386
0.75	114	1.7443	0.6375	0.1088
0.75	126	1.2075	0.9111	0.0783
0.75	222	0.0246	0.6821	0.03
0.75	234	0.841	0.66	0.0587
0.75	246	-0.1899	0.9357	0.0321
0.75	270	-0.5781	0.8142	0.0458
0.85	114	0.947	0.9297	0.0642
0.85	138	0.2609	0.8739	0.0338
0.85	150	0.477	0.7503	0.0414
0.85	234	-0.3738	0.7078	0.0374
0.85	246	0.8795	0.7841	0.0607
0.85	258	-0.8802	0.7928	0.0607
0.85	270	1.1494	0.6625	0.0751
0.85	282	-0.0516	0.7142	0.0302
0.95	78	1.7821	0.7013	0.1109
0.95	90	0.1012	0.7851	0.0306
0.95	246	1.3119	0.624	0.0842
0.95	258	0.5388	0.7313	0.0441
0.95	270	-0.0401	0.7389	0.0301
0.95	282	-0.1341	0.6675	0.0311
0.65	270	0.5577	1.1285	0.0442
0.75	114	0.891	1.3391	0.0599
0.75	126	-0.2776	1.0393	0.0341
0.75	138	1.6407	0.8614	0.1
0.75	150	0.9576	1.2802	0.0632
0.75	222	-1.0645	0.9772	0.0688
0.75	246	0.0661	1.0224	0.0302
0.75	258	-1.226	0.8861	0.0773
0.75	270	0.5942	1.0588	0.0458
0.85	114	0.8116	1.0882	0.0559
0.85	126	0.7746	0.9263	0.0541
0.85	246	-0.0999	0.8594	0.0306
0.85	258	-0.7272	0.831	0.0518
0.85	270	0.5824	0.9778	0.0452
0.85	282	-1.6092	0.6554	0.0983
0.95	90	2.2243	2.2243	0.1328
0.95	246	1.0343	0.8004	0.0672
0.95	258	0.0002	0.9663	0.03
0.95	270	0.5379	0.8407	0.0433
0.95	282	-0.8055	0.874	0.0556