Showing 241 - 260 results of 478 for search '"alpha particle"', query time: 0.27s Refine Results
  1. 241

    A model for Alfvén-eigenmode-induced transport of fast ions in stellarators by C. Slaby, R. Kleiber, A. Könies, M.I. Wolf, M. Borchardt

    Published 2025-01-01
    “…In the reactor, due to the high alpha-particle energy, the fast-ion transport caused by the interaction with Alfvénic modes is potentially very strong. …”
    Get full text
    Article
  2. 242

    Effects of ion composition on escape and morphology on Mars by Q. Zhang, Q. Zhang, M. Holmström, X.-D. Wang

    Published 2023-09-01
    “…Here, we investigate in a case study the effects on escape estimates of assumed ionospheric ion composition, solar-wind alpha-particle concentration and temperature, solar-wind velocity aberration, and solar-wind electron temperature. …”
    Get full text
    Article
  3. 243
  4. 244

    Assessment of radium and supported radon in ground water from Cameron Highlands area / Nor Shazlina Zainal by Zainal, Nor Shazlina

    Published 2014
    “…If this water is inhaled or ingested by human, they may be exposed to the emission of energetic alpha particle from radium and supported 222Rn decaying process in this water. …”
    Get full text
    Thesis
  5. 245

    Tumor growth inhibition and immune system activation following treatment with thorium-227 conjugates and PD-1 check-point inhibition in the MC-38 murine model by Axel Berg-Larsen, Anne Mobergslien, Ingrid Moen, Gebregziabher Petros, Alexander Kristian, Kristine Sponheim Gunvaldsen, Véronique Cruciani, Katrine Wickstroem, Roger Malerbakken Bjerke, Jenny Karlsson, Alan Cuthbertson

    Published 2022-11-01
    “…The radiolabeled conjugate functions as an effective delivery system of alpha-particle radiation to the surface of the tumor cell inducing difficult to repair complex DNA damage and cell death. …”
    Get full text
    Article
  6. 246

    Neutron exposures in human cells: bystander effect and relative biological effectiveness. by Isheeta Seth, Jeffrey L Schwartz, Robert D Stewart, Robert Emery, Michael C Joiner, James D Tucker

    Published 2014-01-01
    “…Bystander effects have been observed repeatedly in mammalian cells following photon and alpha particle irradiation. However, few studies have been performed to investigate bystander effects arising from neutron irradiation. …”
    Get full text
    Article
  7. 247

    Efficacy of Transistor Interleaving in DICE Flip-Flops at a 22 nm FD SOI Technology Node by Christopher J. Elash, Zongru Li, Chen Jin, Li Chen, Jiesi Xing, Zhiwu Yang, Shuting Shi

    Published 2022-04-01
    “…Comparisons were made between a standard DICE design and two other designs making use of the new Continuous Active (CnRx) Diffusion construct and guard-gate transistor stacking through alpha particle and heavy ion irradiation. Designs making use of the CnRx construct for performance improvements were more likely to experience upsets due to higher collected charges in the increased diffusion regions. …”
    Get full text
    Article
  8. 248

    Study of (n,α) reactions of interest for nuclear reactors: the case of 19F(n,α)16N with SCALP detector by Chevalier Aurélien, Lecolley François-René, Lehaut Grégory, Lecouey Jean-Luc, Marie Nathalie, Manduci Loredana, Ledoux Xavier, Beyer Roland, Junghans Arnd, Bouland Olivier, Serot Olivier

    Published 2024-01-01
    “…In view of improving our knowledge on this (n,α) reactions, the GrACE group (Groupe Aval du Cycle Electronucl´eaire) of the LPC Caen has developed a new detector named SCALP (Scintillating ionization Chamber for ALPha particle detection in neutron induced reactions). …”
    Get full text
    Article
  9. 249

    The efficiency of gas-filled surge arresters in the environment contaminated by non-ionizing radiation of fusion reactors by Aranđelović Nemanja M., Nikezić Dušan P., Ramadani Uzahir R., Lazović Ivan M., Mirkov Nikola S., Osmokrović Predrag V.

    Published 2022-01-01
    “…For the efficiency of the flexible model, it was found to be slightly less than 40% (and to be achieved by the application of alpha particle radiation). Since neither of these efficiencies guarantee reliable operation of the gas-filled surge arrester, it was concluded that essential electronics in the vicinity of the fusion generator must be protected. …”
    Get full text
    Article
  10. 250

    Malargüe Site Remediation: A Successful Solution for Uranium Mill Tailings by BARARI E, DÍAZ J G, GIOMIA, KEMPF R A

    Published 2024-10-01
    “…Radon progeny are solids, and when a 222Ra nucleus emits an alpha particle into the air, the resulting 218Po nucleus, momentarily electrically charged, adheres to any dust particle. …”
    Get full text
    Article
  11. 251

    Recent preclinical and clinical advances in radioimmunotherapy for non-Hodgkin’s lymphoma by Hiroki Goto, Yoshioki Shiraishi, Seiji Okada

    Published 2024-02-01
    “…RIT is constantly evolving with the identification of novel targets and novel therapeutic strategies using newer radionuclides such as alpha-particle isotopes. Alpha-particles show very short path lengths and high linear energy transfer. …”
    Get full text
    Article
  12. 252

    Alpha Radiation-Induced Luminescence by Am-241 in Aqueous Nitric Acid Solution by Thomas Kerst, Rikard Malmbeck, Nidhu lal Banik, Juha Toivonen

    Published 2019-04-01
    “…When exposed to air, alpha particles cause the production of light by exciting the molecules surrounding them. …”
    Get full text
    Article
  13. 253

    Effect of the Synthesis Conditions on the Morphology, Luminescence and Scintillation Properties of a New Light Scintillation Material Li<sub>2</sub>CaSiO<sub>4</sub>:Eu<sup>2+</sup... by Ilia Komendo, Vitaly Mechinsky, Andrei Fedorov, Georgy Dosovitskiy, Victor Schukin, Daria Kuznetsova, Marina Zykova, Yury Velikodny, Mikhail Korjik

    Published 2022-08-01
    “…These properties and the transparency in the visible spectrum make it possible to produce scintillation screens with a coating of Li<sub>2</sub>CaSiO<sub>4</sub> for detecting neutrons, alpha particles and low-energy beta radiation. The low Z<sub>eff</sub> (~15) of this compound makes it less sensitive to gamma rays. …”
    Get full text
    Article
  14. 254

    DNA damage response in a 2D-culture model by diffusing alpha-emitters radiation therapy (Alpha-DaRT) by Hitomi Nojima, Atsushi Kaida, Yusuke Matsuya, Motohiro Uo, Ryo-ichi Yoshimura, Lior Arazi, Masahiko Miura

    Published 2024-05-01
    “…The distribution of the alpha-particle pits detected by a plastic nuclear track detector, CR-39, strongly correlated with γH2AX staining, a marker of DSBs, around the 224Ra source, but the area of G2 arrested cells was more widely spread 24 h from the start of the exposure. …”
    Get full text
    Article
  15. 255

    Concept validation of separations for thorium-based radionuclide generator systems for medical application by Bianca Schacherl, Kiara Maurer, Martin Schäfer, Yvonne Remde, Frank Geyer, Annika Fried, Steffen Alexander Happel, Martina Benešová-Schäfer

    Published 2024-08-01
    “…Critically, the limited supply of alpha-particle-emitting radionuclides, so-called alpha in vivo nanogenerators, hampers wider utilization of TαT in clinical settings. …”
    Get full text
    Article
  16. 256

    Ion pulse ionization chamber for online measurements of the radon activity concentration by QIU Tianli, LI Meng, WEI Xianglun, YANG Herun, MA Peng, LU Chengui, DUAN Limin, HU Rongjiang, HE Zhoubo, LIANG Juncheng, ZHANG Ming

    Published 2021-04-01
    “…The radon content in the air was measured in different locations, and the effective signals and counts were obtained.Results &amp; ConclusionsThe measurement results show that the full width at half maximum (FWHM) of the 241Am alpha particle energy resolution is 17% under the detector's working voltage range of -400 to -1 200 V. …”
    Get full text
    Article
  17. 257

    Preliminary Characterization of an Active CMOS Pad Detector for Tracking and Dosimetry in HDR Brachytherapy by Thi Ngoc Hang Bui, Matthew Large, Joel Poder, Joseph Bucci, Edoardo Bianco, Raffaele Aaron Giampaolo, Angelo Rivetti, Manuel Da Rocha Rolo, Zeljko Pastuovic, Thomas Corradino, Lucio Pancheri, Marco Petasecca

    Published 2024-01-01
    “…The radiation detection performance of prototypes has been tested by ion beam induced charge (IBIC) microscopy using a 5.5 MeV alpha particle microbeam. We also carried out the HDR Ir-192 radiation source tracking at different depths and angular dose dependence in a water equivalent phantom. …”
    Get full text
    Article
  18. 258

    Effect of proton irradiation induced localized defect clusters on recovery time and leakage current in silicon photoconductive semiconductor switches by John Keerthi Paul Bhamidipati, Gyanendra Bhattarai, Anthony Nicholaus Caruso

    Published 2023-10-01
    “…For decades, fabrication and irradiation techniques, such as Au- and Pt-diffusion, and energized electron-, proton-, and alpha particle-beam bombardment have been used to adjust minority carrier lifetime in silicon. …”
    Get full text
    Article
  19. 259

    A model for the Global Quantum Efficiency for a TPB-based wavelength-shifting system used with photomultiplier tubes in liquid argon in MicroBooNE by Pate, S.F., Wester, Thomas, Bugel, Leonard G., Conrad, Janet Marie, Henderson, E., Jones, Benjamin J. P, McLean, A.I.L., Moon, J., Toups, Matthew, Wongjirad, Taritree

    Published 2019
    “…We compare results from four measurements of the NPE determined using alpha-particle sources placed at two distances from a TPB-coated plate in a liquid argon cryostat test stand. …”
    Get full text
    Article
  20. 260

    Peelable Nanocomposite Coatings: “Eco-Friendly” Tools for the Safe Removal of Radiopharmaceutical Spills or Accidental Contamination of Surfaces in General-Purpose Radioisotope Lab... by Traian Rotariu, Daniela Pulpea, Gabriela Toader, Edina Rusen, Aurel Diacon, Valentina Neculae, John Liggat

    Published 2022-11-01
    “…Thus, it was shown that they possess remarkable properties (thermal and mechanical resistance which permits facile removal through peeling) and that their capacity to entrap and remove beta and alpha particle emitters depends on the constituents of the decontaminating formulation, but more importantly, on the type of surface tested. …”
    Get full text
    Article