Narrow nuclear resonance position or cross section shape measurements with a high precision computer controlled beam energy scanning system

G. Amsel, E. D'Artemare, G. Battistig, E. Girard, L. G. Gosset, P. Révész

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The relative positions, intensity and shape of narrow resonances (Γ ≈ 100 eV) in (p,γ), (p,αγ) and (p,p′γ) reactions induced on the isotopes 13C, 15N, 18O, 19F, 23Na, 24Mg, 27Al, 29Si, 30Si and 52Cr were investigated in the energy range from 150 to 2500 keV, using a fully automatic hysteresis free energy scanning system. The energy differences between the resonance positions were measured with optimum accuracy, down to around ±100 eV. The results are of interest for the easy and accurate calibration of accelerators and for determining the energy scale in the neighbourhood of resonances used for depth profiling experiments with high precision. The new set-up allows the automatic recording of nuclear reaction or elastic scattering excitation curves over wide energy ranges, up to ±10% around any central energy. The results illustrate also how powerful a tool such a scanning system may be in various fields of ion beam analysis.

Original languageEnglish
Pages (from-to)545-550
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume136-138
Publication statusPublished - Mar 1998

Fingerprint

Scanning
scanning
cross sections
Elastic scattering
Nuclear reactions
Depth profiling
Isotopes
Ion beams
Free energy
Particle accelerators
Hysteresis
energy
Calibration
nuclear reactions
elastic scattering
accelerators
isotopes
recording
ion beams
free energy

Keywords

  • Accelerator calibration
  • Ion beam analysis
  • Narrow nuclear resonances

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

Cite this

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abstract = "The relative positions, intensity and shape of narrow resonances (Γ ≈ 100 eV) in (p,γ), (p,αγ) and (p,p′γ) reactions induced on the isotopes 13C, 15N, 18O, 19F, 23Na, 24Mg, 27Al, 29Si, 30Si and 52Cr were investigated in the energy range from 150 to 2500 keV, using a fully automatic hysteresis free energy scanning system. The energy differences between the resonance positions were measured with optimum accuracy, down to around ±100 eV. The results are of interest for the easy and accurate calibration of accelerators and for determining the energy scale in the neighbourhood of resonances used for depth profiling experiments with high precision. The new set-up allows the automatic recording of nuclear reaction or elastic scattering excitation curves over wide energy ranges, up to ±10{\%} around any central energy. The results illustrate also how powerful a tool such a scanning system may be in various fields of ion beam analysis.",
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T1 - Narrow nuclear resonance position or cross section shape measurements with a high precision computer controlled beam energy scanning system

AU - Amsel, G.

AU - D'Artemare, E.

AU - Battistig, G.

AU - Girard, E.

AU - Gosset, L. G.

AU - Révész, P.

PY - 1998/3

Y1 - 1998/3

N2 - The relative positions, intensity and shape of narrow resonances (Γ ≈ 100 eV) in (p,γ), (p,αγ) and (p,p′γ) reactions induced on the isotopes 13C, 15N, 18O, 19F, 23Na, 24Mg, 27Al, 29Si, 30Si and 52Cr were investigated in the energy range from 150 to 2500 keV, using a fully automatic hysteresis free energy scanning system. The energy differences between the resonance positions were measured with optimum accuracy, down to around ±100 eV. The results are of interest for the easy and accurate calibration of accelerators and for determining the energy scale in the neighbourhood of resonances used for depth profiling experiments with high precision. The new set-up allows the automatic recording of nuclear reaction or elastic scattering excitation curves over wide energy ranges, up to ±10% around any central energy. The results illustrate also how powerful a tool such a scanning system may be in various fields of ion beam analysis.

AB - The relative positions, intensity and shape of narrow resonances (Γ ≈ 100 eV) in (p,γ), (p,αγ) and (p,p′γ) reactions induced on the isotopes 13C, 15N, 18O, 19F, 23Na, 24Mg, 27Al, 29Si, 30Si and 52Cr were investigated in the energy range from 150 to 2500 keV, using a fully automatic hysteresis free energy scanning system. The energy differences between the resonance positions were measured with optimum accuracy, down to around ±100 eV. The results are of interest for the easy and accurate calibration of accelerators and for determining the energy scale in the neighbourhood of resonances used for depth profiling experiments with high precision. The new set-up allows the automatic recording of nuclear reaction or elastic scattering excitation curves over wide energy ranges, up to ±10% around any central energy. The results illustrate also how powerful a tool such a scanning system may be in various fields of ion beam analysis.

KW - Accelerator calibration

KW - Ion beam analysis

KW - Narrow nuclear resonances

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JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

SN - 0168-583X

ER -