NASA's first ground-based Galactic Cosmic Ray Simulator: Enabling a new era in space radiobiology research

LC Simonsen, TC Slaba, P Guida, A Rusek - PLoS biology, 2020 - journals.plos.org
… forms of radiation found on Earth, namely, x-rays and gamma rays. … (BFO) results were
found to be near the average of all critical … nature of the tissue sites found throughout the body. …

Resolving acceleration to very high energies along the jet of Centaurus A

Nature, 2020 - nature.com
… The source is also positionally close to an ultrahigh-energy cosmic-ray hotspot 21 . Gamma-…
, providing excellent observing conditions for sources located in the Southern Hemisphere. It …

Recent progress in halide perovskite radiation detectors for gamma-ray spectroscopy

F Liu, R Wu, J Wei, W Nie, AD Mohite… - ACS Energy …, 2022 - ACS Publications
… as portable and cost-efficient detectors with high sensitivity and … 0.06 was found to have the
closest to intrinsic semiconductor … Kα and Kβ peaks from the Ag source, but no γ-ray spectrum …

comprehensive performance tests of the first clinical real‐time motion tracking and compensation system using MLC and jaws

GP Chen, A Tai, TD Keiper, S Lim, XA Li - Medical physics, 2020 - Wiley Online Library
Dose constancy with Synchrony was found to be within 2%. The gamma passing rates of 3D
dose … The amplitude ratio of target to jaw was 1.140, which is very close to the approximate …

Mechanical properties and gamma-ray shielding performance of 3D-printed poly-ether-ether-ketone/tungsten composites

Y Wu, Y Cao, Y Wu, D Li - Materials, 2020 - mdpi.com
… The exposure of the human body to gamma-ray radiation … Tungsten alloys are also effective
materials for gamma-ray … The PEEK/tungsten was placed closer to the neutron source

DeepDose: a robust deep learning-based dose engine for abdominal tumours in a 1.5 T MRI radiotherapy system

G Tsekas, GH Bol, BW Raaymakers… - Physics in Medicine & …, 2021 - iopscience.iop.org
… with the MR-linac, the dose differences and 3%/3 mm gamma pass rate of the predicted …
towards an application targeting whole body dose calculations. In the near future we aim to …

Tumour irradiation in mice with a laser-accelerated proton beam

F Kroll, FE Brack, C Bernert, S Bock, E Bodenstein… - Nature Physics, 2022 - nature.com
… Here we investigate how proton sources based on laser–… downstream in air, before
delivering the dose to the PTV behind … the irradiation site, such as gamma radiation or (secondary) …

[HTML][HTML] Natural radionuclides, heavy metals and health risk assessment in surface water of Nkalagu river dam with statistical analysis

FO Ugbede, BC Aduo, ON Ogbonna, OC Ekoh - Scientific African, 2020 - Elsevier
… -lived decay products before gamma spectrometric analysis of natural … occurrence of Pb in
surface water bodies [9]. Lead is … present time of study, were found to be higher than WHO and …

Testing CPT symmetry in ortho-positronium decays with positronium annihilation tomography

P Moskal, A Gajos, M Mohammed, J Chhokar… - Nature …, 2021 - nature.com
… path towards a cost-effective total-body PET scanner 31,32,… We used a 22 Na source placed
in the centre of a cylindrical … as 2γ annihilations originating close to the β + source recorded …

Gamma-ray urgent archiver for novel opportunities (GUANO): Swift/BAT event data dumps on demand to enable sensitive subthreshold GRB searches

A Tohuvavohu, JA Kennea, J DeLaunay… - The Astrophysical …, 2020 - iopscience.iop.org
found 8σ fluence upper limits over 14-195 keV of 4.1 × 10 −7 … Unfortunately, this location was
too close to the Sun to allow … or even the entire spacecraft body, and deposit counts into the …