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NSR database version of May 1, 2024.

Search: Author = G.Bortels

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1995BO32      Appl.Radiat.Isot. 46, 1135 (1995)

G.Bortels, C.Hurtgen, D.Santry

Nuclide Analysis on Low-Statistics Alpha-Particle Spectra: An experimental verification for Pu isotopes

RADIOACTIVITY ^239,240Pu(α); analyzed α-spectra; deduced source thickness role. Peak-fitting model. Individual, mixed sources.

doi: 10.1016/0969-8043(95)00156-8
Citations: PlumX Metrics

1994ST19      Nucl.Instrum.Methods Phys.Res. B85, 642 (1994)

E.Steinbauer, P.Bauer, M.Geretschlager, G.Bortels, J.P.Biersack, P.Burger

Energy Resolution of Silicon Detectors: Approaching the physical limit

RADIOACTIVITY ¹⁴⁸Gd, ²³⁸Pu, ²⁴⁴Cm(α); calculated α-spectra; deduced detector response function asymmetry features. Comparison with data. Passivated Si detectors.

doi: 10.1016/0168-583X(94)95898-X
Citations: PlumX Metrics

1994ST21      Nucl.Instrum.Methods Phys.Res. A339, 102 (1994)

E.Steinbauer, G.Bortels, P.Bauer, J.P.Biersack, P.Burger, I.Ahmad

A Survey of the Physical Processes which Determine the Response Function of Silicon Detectors to Alpha Particles

RADIOACTIVITY ²³⁸Pu, ²⁴⁴Cm, ¹⁴⁸Gd(α); measured Eα, Iα; deduced particle implanted passivated Si detectors response function estimates validity. Mixed ¹⁴⁸Gd, ²³⁸Pu, ²⁴⁴Cm sources.

doi: 10.1016/0168-9002(94)91787-6
Citations: PlumX Metrics

1993BA72      Appl.Radiat.Isot. 44, 1349 (1993)

T.Babeliowsky, G.Bortels

ALFA: A program for accurate analysis of complex alpha-particle spectra on a PC

RADIOACTIVITY ^234,232U, ²²⁸Th, ^220,224Ra, ²¹²Bi(α); analyzed α-spectra; deduced multiplets analysis technique. Interactive graphical technique on a PC.

doi: 10.1016/0969-8043(93)90085-O
Citations: PlumX Metrics

1993GA28      Nucl.Instrum.Methods Phys.Res. A334, 477 (1993)

E.Garcia-Torano, M.L.Acena, G.Bortels, D.Mouchel

Alpha-Particle Emission Probabilities in the Decay of ²³⁹Pu

RADIOACTIVITY ²³⁹Pu(α); measured α emission probabilities. High enrichment, radiochemical purity, vacuum sublimation produced sources.

doi: 10.1016/0168-9002(93)90811-U
Citations: PlumX Metrics

1992GA01      Nucl.Instrum.Methods Phys.Res. A312, 317 (1992)

E.Garcia-Torano, M.L.Acena, G.Bortels, D.Mouchel

Alpha-Particle Emission Probabilities in the Decay of ²⁴³Am

RADIOACTIVITY ²⁴³Am(α); ²³⁹Np(β^-) [from decay of ²⁴³Am]; measured Eα, Iα, I(ce), Eβ. ²⁴³Am deduced α-emission probabilities. ²³⁹Np levels deduced α-branching, relative Iα.

doi: 10.1016/0168-9002(92)90175-4
Citations: PlumX Metrics

1990BA55      Nucl.Instrum.Methods Phys.Res. A299, 205 (1990)

P.Bauer, G.Bortels

Response of Si Detectors to Electrons, Deuterons and Alpha Particles

RADIOACTIVITY ¹⁰⁹Cd, ²³³Pa, ¹³⁷Cs; measured ce-spectra. ²³⁹Pu, ²⁴¹Am, ²⁴⁴Cm; measured α-spectra; deduced detector response. High resolution passivated implanted planar Si detectors.

NUCLEAR REACTIONS Pt(d, d), E=35-440 keV; measured deuteron specta; deduced detector response. High resolution passivated implanted planar Si detectors.

doi: 10.1016/0168-9002(90)90777-4
Citations: PlumX Metrics

1990BO09      Nucl.Instrum.Methods Phys.Res. A286, 429 (1990)

G.Bortels, D.Mouchel, E.Garcia-Torano, M.L.Acena

Synthetic Doublets from ²³⁴U Alpha-Particle Spectra for Assessing Accuracy in Peak Fitting

RADIOACTIVITY ²³⁴U(α); measured α-spectra; deduced doublet energy separations. Peak area ratio fitting.

doi: 10.1016/0168-9002(90)90891-9
Citations: PlumX Metrics

1990BO44      Nucl.Instrum.Methods Phys.Res. A295, 199 (1990)

G.Bortels, D.Mouchel, R.Eykens, E.Garcia-Torano, M.L.Acena, R.A.P.Wiltshire, M.King, A.J.Fudge, P.Burger

Alpha-Particle Emission Probabilities in the Decay of ²³⁷Np

RADIOACTIVITY ²³⁷Np(α); measured α-emission probabilities.

doi: 10.1016/0168-9002(90)90438-C
Citations: PlumX Metrics

1987BO25      Appl.Radiat.Isot. 38, 831 (1987)

G.Bortels, P.Collaers

Analytical Function for Fitting Peaks in Alpha-Particle Spectra from Si Detectors

RADIOACTIVITY ²³⁴U, ²⁴¹Am, ^238,239,240Pu(α); measured σ(Eα); deduced analytic peak fitting function features.

doi: 10.1016/0883-2889(87)90180-8
Citations: PlumX Metrics

1986VA33      Int.J.Appl.Radiat.Isotop. 37, 1167 (1986)

R.Vaninbroukx, G.Bortels, B.Denecke

Alpha-Particle and Gamma-Ray Emission Probabilities in the Decay of ²⁴²Pu

RADIOACTIVITY ²⁴²Pu(α), (IT); measured α-, γ-ray emission probabilities. Hyperpure Ge, surface barrier detectors.

doi: 10.1016/0883-2889(86)90001-8
Citations: PlumX Metrics

1985BU15      Nucl.Instrum.Methods 236, 630 (1985)

C.Budtz-Jorgensen, H.-H.Knitter, G.Bortels

Assaying of Targets for Nuclear Measurements with a Gridded Ionization Chamber

NUCLEAR REACTIONS ²³⁵U(n, α), (n, F), E=thermal; measured fission fragment, α-spectra. Vacuum evaporated UF₄, electrodeposited, suspension sprayed ²³⁵U₃O₈ layer targets, gridded ionization chamber.

RADIOACTIVITY ²²⁴Ra(α) [from ²²⁸Th(α-decay)]; ²²⁰Rn(α) [from ²²⁴Ra(α-decay)]; ²¹⁶Po(α) [from ²²⁰Rn(α-decay)]; measured Eα, Iα, α-recoil spectra. Self-transferred source, gridded ionization chamber.

doi: 10.1016/0168-9002(85)90972-6
Citations: PlumX Metrics

1984BO15      Int.J.Appl.Radiat.Isotop. 35, 305 (1984)

G.Bortels, D.Reher, R.Vaninbroukx

Emission Probabilities for the 5.449-MeV Alpha Particles and 241-keV Gamma Rays in the ²²⁴Ra-²²⁰Rn Decay

RADIOACTIVITY ²²⁴Ra(α) [from ²²⁸Th decay]; measured Eα, Iα, α-emission probability, Eγ, Iγ. ²²⁰Rn level deduced γ-emission probability. Silicon surface barrier, high purity Ge detectors.

doi: 10.1016/0020-708X(84)90073-5
Citations: PlumX Metrics

1984BO41      Nucl.Instrum.Methods 223, 329 (1984)

G.Bortels, B.Denecke, R.Vaninbroukx

Alpha-Particle and Photon Emission Probabilities in the ²³⁸Pu-²³⁴U Decay

RADIOACTIVITY ²³⁸Pu(α); measured Eα, Iα, Eγ, Iγ, α-, γ-emission probabilities. ²³⁴U levels deduced ICC. Calibrated high purity Ge, Si(Li), Si surface barrier detectors.

doi: 10.1016/0167-5087(84)90670-7
Citations: PlumX Metrics

1984LA14      Nucl.Instrum.Methods 219, 339 (1984)

A.N.Larsen, G.Bortels, B.Denecke

Satellite Peaks in High-Resolution Alpha-Particle Spectra of Decay-Chain Members Measured with Silicon Surface-Barrier Detectors

RADIOACTIVITY ²²⁴Ra(α) [from ²²⁸Th(α-decay)]; ²²⁰Rn, ²¹⁶Po(α) [from ²²⁴Ra(α-decay)]; ²¹²Bi(α), (β^-) [from ²¹²Pb(β-decay)]; ²¹²Po(α) [from ²¹²Bi(β-decay)]; measured Eα, Iα; deduced satellite peak origin, recoil atom fractional energy loss. Surface barrier detectors, source recoil implantation.

doi: 10.1016/0167-5087(84)90343-0
Citations: PlumX Metrics

1984VA27      Int.J.Appl.Radiat.Isotop. 35, 905 (1984)

R.Vaninbroukx, G.Bortels, B.Denecke

Determination of Photon-Emission Probabilities in the Decay of ²³⁷Np and Its Daughter ²³³Pa

RADIOACTIVITY ²³⁷Np(α); ²³³Pa(β^-) [from ²³⁷Np(α-decay)]; measured Eγ, Iγ. ²³³U, ²³³Pa levels deduced photon emission probabilities.

doi: 10.1016/0020-708X(84)90029-2
Citations: PlumX Metrics

1984VA41      Int.J.Appl.Radiat.Isotop. 35, 1081 (1984)

R.Vaninbroukx, G.Bortels, B.Denecke

Alpha-Particle-Emission Probabilities in the Decay of ²³⁴U and Photon-Emission Probabilities in the Decays of ²³⁴U, ²³⁹Np and ²⁴³Am

RADIOACTIVITY ²³⁴U(α); measured Eα, Iα, α-, γ-emission probabilities, Eγ, Iγ. ²⁴³Am(α); ²³⁹Np(β^-) [from ²⁴³Am(α-decay)]; measured Eγ, Iγ, γ-emission probabilities. ²³⁹Pu, ²³⁰Th, ²³⁹Np transitions deduced Eγ.

doi: 10.1016/0020-708X(84)90138-8
Citations: PlumX Metrics

1969BO24      Intern.J.Appl.Radiation Isotopes 20, 612 (1969)

G.Bortels

An Accurate Calorimetric Determination of the Half-Life of Thallium-204

RADIOACTIVITY ²⁰⁴Tl; measured T_1/2. Calorimetry.

doi: 10.1016/0020-708X(69)90089-1
Citations: PlumX Metrics