CLAS Physics Database

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Measurement E46M159

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Experiment: N/A, 0

Spokespersons:

Publication:

S.A.Morrow, M.Guidal, M.Garcon, J.M.Laget, E.S.Smith, and CLAS Collaboration Exclusive ρ⁰ electroproduction on the proton at CLAS // Eur.Phys.J.A39,5-31(2009)

Quantity measured: R_ρ, dimensionless
Ratio of the σ_L/σ_T
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: ρ⁰ p, polarization: none

Q² :	1.725 — 5.353 GeV²
x_b :	0.203 — 0.668
E_beam :	5.754 GeV

Select data slice:
x = dimensionless

Observable quantity measured (Y axis): R_ρ, dimensionless
Plot measurement data

Parameter (X axis): Q², GeV²

Click here to get data in text file, delimited with tabs.

Measured data:

x, dimensionless	Q², GeV²	R_ρ, dimensionless	Data errors, dimensionless
0.203	1.725	4.071918	2.031771
0.25	1.752	1.40362	0.661063
0.252	2.042	1.53713	0.906633
0.265	2.32	3.516828	1.714475
0.308	1.785	1.72541	0.641412
0.31	2.05	0.931572	0.393735
0.31	2.35	0.822484	0.369461
0.313	2.639	1.398889	0.941539
0.37	2.05	1.912809	0.692324
0.37	2.35	1.248272	0.499125
0.37	2.65	0.960156	0.459415
0.37	2.95	0.776547	0.411979
0.378	3.295	3.152275	2.345962
0.43	2.35	2.943532	1.011902
0.43	2.65	1.767701	0.712796
0.43	2.95	1.929319	0.81588
0.43	3.35	1.717615	0.918851
0.436	3.807	4.361756	2.763184
0.49	2.95	3.052455	1.056036
0.49	3.35	2.022548	0.925722
0.49	3.85	1.465646	0.806599
0.494	4.307	6.087372	4.39397
0.55	3.85	3.01484	1.049527
0.55	4.35	3.167808	1.427773
0.61	4.352	4.215398	1.667513
0.61	4.85	3.164915	1.23126
0.668	5.353	2.009032	1.320022