Search Results - "Siiskonen T"

Effective Shell-Model Transition Operators for Muon-Capture Calculations.

Authors: Siiskonen, T. Suhonen, J. Hjorth-Jensen, M.

Source: Physics of Atomic Nuclei. Jul2000, Vol. 63 Issue 7, p1182. 5p.

Subjects: Muon spin rotation, Muon decay

PATIENT-SPECIFIC DOSE ESTIMATES IN DYNAMIC COMPUTED TOMOGRAPHY MYOCARDIAL PERFUSION EXAMINATION.

Authors: Sundell, V-M Kortesniemi, M Siiskonen, T et al.

Source: Radiation Protection Dosimetry; Jan2021, Vol. 193 Issue 1, p24-36, 13p

ESTIMATION OF HP(3) AMONG STAFF MEMBERS IN TWO NUCLEAR MEDICINE UNITS IN FINLAND.

Authors: Lindholm, C Pekkarinen, A Sipilä, O et al.

Source: Radiation Protection Dosimetry; 06/15/2020, Vol. 190 Issue 2, p176-184, 9p

CALIBRATION AND USE OF A PENCIL-TYPE CT CHAMBER: EFFECT OF THE PMMA BODY PHANTOM.

Authors: Suutari, J. Siiskonen, T.

Source: Radiation Protection Dosimetry. Feb2018, Vol. 178 Issue 3, p272-275. 4p.

Detection of fast neutrons from shielded nuclear materials using a semiconductor alpha detector.

Authors: Pöllänen, R. Siiskonen, T.

Source: Applied Radiation & Isotopes. Aug2014, Vol. 90, p187-191. 5p.

Subjects: Fast neutrons, Neutron counters, Radioactive substances, Semiconductor detectors, Alpha ray detection, Polyethylene

Unfolding alpha-particle energy spectrum from a membrane air filter containing radon progeny.

Authors: Pöllänen, R. Siiskonen, T.

Source: Radiation Measurements. Nov2014, Vol. 70, p15-20. 6p.

Subjects: Alpha rays, Artificial membranes, Air filters, Radon, Spectrum analysis, Monte Carlo method, Radioisotopes

Alpha–electron and alpha–photon coincidences in high-resolution alpha spectrometry

Authors: Siiskonen, T. Pöllänen, R.

Source: Nuclear Instruments & Methods in Physics Research Section A. Mar2006, Vol. 558 Issue 2, p437-440. 4p.

Subjects: Cathode rays, Electrons, Alpha rays, Neutrons

Advanced simulation code for alpha spectrometry

Authors: Siiskonen, T. Pöllänen, R.

Source: Nuclear Instruments & Methods in Physics Research Section A. Sep2005, Vol. 550 Issue 1/2, p425-434. 10p.

Subjects: Spectrum analysis, Estimation theory, Monte Carlo method, Coincidence

A model for fitting peaks induced by fast neutrons in an HPGe detector

Authors: Siiskonen, T. Toivonen, H.

Source: Nuclear Instruments & Methods in Physics Research Section A. Mar2005, Vol. 540 Issue 2/3, p403-411. 9p.

Subjects: Neutrons, Spectrum analysis, Particles (Nuclear physics), Nuclear fission

Determination of ²³⁹Pu/²⁴⁰Pu isotopic ratio by high-resolution alpha-particle spectrometry using the ADAM program

Authors: Pöllänen, R. Siiskonen, T. Ihantola, S. et al.

Source: Applied Radiation & Isotopes. Apr2012, Vol. 70 Issue 4, p733-739. 7p.

Subjects: Plutonium isotopes, Particles, Data acquisition systems, Radiochemistry, Radioactive decay, Semiconductors, Alpha rays

Simulation of alpha particle spectra from aerosol samples

Authors: Siiskonen, T. Pöllänen, R.

Source: Applied Radiation & Isotopes. Jun2004, Vol. 60 Issue 6, p947. 7p.

Subjects: Alpha rays, Aerosols, Monte Carlo method, Alpha ray spectrometry

Excitation functions for proton-induced reactions on natural hafnium: Production of ¹⁷⁷Lu for medical use

Authors: Siiskonen, T. Huikari, J. Haavisto, T. et al.

Source: Nuclear Instruments & Methods in Physics Research Section B. Nov2009, Vol. 267 Issue 21/22, p3500-3504. 5p.

Subjects: Nuclear excitation, Nuclear medicine, Lutetium isotopes, Hafnium, Numerical calculations, Proton beams, Radioisotopes, Nuclear cross sections

Direct alpha spectrometry for characterising hot particle properties

Authors: Pöllänen, R. Siiskonen, T. Moring, M. et al.

Source: Radiation Measurements. Nov2007, Vol. 42 Issue 10, p1666-1673. 8p.

Subjects: Electron microscopy, Optics, Gamma rays, Spectrum analysis

High-resolution alpha spectrometry from thick sources

Authors: Pöllänen, R. Siiskonen, T. Vesterbacka, P.

Source: Radiation Measurements. Sep2005, Vol. 39 Issue 5, p565-568. 4p.

Subjects: Alpha ray spectrometry, Membrane separation, Spectrum analysis, Monte Carlo method

High-resolution alpha spectrometry under field conditions – fast identification of alpha particle emitting radionuclides from air samples

Authors: Pöllänen, R. Siiskonen, T.

Source: Journal of Environmental Radioactivity. Apr2006, Vol. 87 Issue 3, p279-288. 10p.

Subjects: Radioisotopes, Alpha rays, Nuclear accidents, Membrane filters, Spectrometry, Aerosols, Radiochemical analysis

Theoretical Predictions for Beta-Delayed One- and Two-Proton Emission.

Authors: Siiskonen, T. Lipas, P. O.

Source: AIP Conference Proceedings. 2000, Vol. 518 Issue 1, p164-172. 9p.

MEASUREMENT OF MAXIMUM SKIN DOSE IN INTERVENTIONAL RADIOLOGYAND CARDIOLOGYAND CHALLENGES IN THE SET-UP OF EUROPEAN ALERT THRESHOLDS.

Authors: Farah, J. Trianni, A. Carinou, E. et al.

Source: Radiation Protection Dosimetry; 2015 Special issue, Vol. 131, p138-142, 5p

Weighting of secondary radiations in organ dose calculations.

Authors: Siiskonen, T. Tapiovaara, M.

Source: Radiation Protection Dosimetry. Sep2010, Vol. 141 Issue 1, p18-26. 9p. 2 Charts.

DIRECT HIGH-RESOLUTION ALPHA SPECTROMETRY FROM NUCLEAR FUEL PARTICLES IN AN OUTDOOR AIR SAMPLE.

Authors: Pöllänen, R. Siiskonen, T.

Source: Radiation Protection Dosimetry. Mar2008, Vol. 128 Issue 4, p454-463. 10p. 1 Chart, 6 Graphs.

DOSE FROM SLOW NEGATIVE MUONS.

Authors: Siiskonen, T.¹ teemu.siiskonen@stuk.fi

Source: Radiation Protection Dosimetry. Jan2008, Vol. 128 Issue 2, p234-238. 5p. 2 Charts, 1 Graph.