Results 71 to 80 of about 15,242 (188)

Study of the excitation of 11/2– isomeric state of the nucleus 139Се in reaction (γ, n)m in the giant E1-resonance region

open access: yesЯдерна фізика та енергетика, 2017
The isomeric yield ratio Ym/Yg is measured in 140Се(γ, n)139m,gСе reaction in 11 - 18 MeV energy range with the step of 0.5 MeV. Using inverse matrix method the experimental cross section of 140Се(γ, n)139m,gСе reaction is estimated.
V. M. Mazur   +2 more
doaj  

A Low‐Power Radioisotope XRF Spectrometer for Detection of Light Elements on Planetary Missions

open access: yesX-Ray Spectrometry, Volume 55, Issue 5, Page 721-729, September/October 2026.
ABSTRACT Current X‐ray spectrometers for in situ geochemical analysis on planetary missions typically rely either on X‐ray tubes, which demand electrical power and add mass and thermal complexity, or on alpha particle X‐ray spectrometers (APXS) that use rare 244 Cm sources, and come with severe concerns on radiation safety and isotope availability.
Leandro Silveri   +14 more
wiley   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

open access: yesAdvanced Engineering Materials, Volume 28, Issue 15, 5 August 2026.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele   +2 more
wiley   +1 more source

Accelerated and standardized commissioning of a robotic RadioSurgery system using a hybrid golden beam data model

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 8, August 2026.
Abstract Background The CyberKnife™ system requires extensive beam data acquisition across multiple collimation systems. The CyberComm™ framework integrates a linac output tuning procedure with a hybrid Golden Beam Data (GBD) model to accelerate and standardize CyberKnife commissioning while maintaining dosimetric accuracy.
E. Pantelis   +4 more
wiley   +1 more source

A Conclusive Algorithm with Kink Effects for Fitting 3-D FinFET and Planar MOSFET Characteristic Curves

open access: yesApplied Sciences
FinFET transistors with fin channel lengths of 160 nm and 2000 nm and a planar MOSFET transistor with channel lengths of 180 nm and 90 nm are presented with characteristic curves at various Gate biases.
Hsin-Chia Yang   +3 more
doaj   +1 more source

BREMSSTRAHLUNG RADIATION IN DEUTERIUM/TRITIUM DEGENERATE PLASMA

open access: yes, 2010
The Bremsstrahlung radiation power is one of the important loss processes in the inertial confinement fusion. The motion of ions is usually neglected when calculating the Bremsstrahlung radiation of the plasma.
B. KALEJI, T. KOOHROKHI, M. MAHDAVI
core   +1 more source

Systematic review of physical and dosimetric criteria for managing CIEDs in radiotherapy: A medical physicist's perspective

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 8, August 2026.
Abstract Aim Current radiotherapy (RT) guidelines for Cardiac Implantable Electronic Devices (CIEDs) are largely based on clinical management strategies and retrospective reports. This systematic review adopts a medical physics perspective to provide a critical, quantitative analysis of the technical evidence required for developing robust safety ...
Tiziana Malatesta   +15 more
wiley   +1 more source

Bremsstrahlung Confirmation 2

open access: yes, 2021
Mathematical modelling of the Bremsstrahlung ...
Yucemoz, Mert
core   +1 more source

In Situ Acoustic Monitoring of Focused Femtosecond Pulse Duration in Air

open access: yesLaser &Photonics Reviews, Volume 20, Issue 16, 21 August 2026.
Air‐breakdown acoustics at the laser focus is used to determine femtosecond pulse duration with a simple USB microphone. By chirp‐tuning and compressing 1030 nm pulses from 241 to 50 fs, the acoustic amplitude scales inversely proportional to the square root of the pulse duration, enabling in situ readout over 50 fs–5 ps—crucial for precise pulse ...
Indrė Meškėlaitė   +9 more
wiley   +1 more source

Electromagnetic radiation off colliding hadron systems: dileptons and bremsstrahlung

open access: yes, 1999
Since several years various groups of the Institute of Nuclear and Hadron Physics at Forschungszentrum Rossendorf (FZR) are involved in medium energy physics projects where electromagnetic signals play a role: (i) pp bremsstrahlung experiments at COSY ...
Grosse, E.   +2 more
core  

Home - About - Disclaimer - Privacy