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Related papers: Multiphysics Analysis of the 2.5 MeV BNCT RFQ Acce…

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Boron nitride nanotubes (BNNTs) are of intense scientific interests due to their unique physiochemical properties and prospective applications in various nanotechnologies. A critical problem hampering the application processing of BNNTs is…

Materials Science · Physics 2014-01-24 Zhenghong Gao , Chunyi Zhi , Dimtri Golberg , Yoshio Bando , Takeshi Serizawa

The feasibility of performing fast neutron resonance radiography at the PTB accelerator facility is studied. A neutron beam of a broad spectral distribution is produced by a pulsed 13 MeV deuterium beam hitting a thick Be target. The…

Nuclear Experiment · Physics 2007-05-23 V. Dangendorf , G. Laczko , C. Kersten , O. Jagutzki , U. Spillmann

Knockout reactions with heavy ion targets in inverse kinematics, as well as "quasi-free" (p,2p) and (p,pn) reactions are useful tools for nuclear spectroscopy. We report calculations on \textit{ab-initio} many-body wavefunctions based on…

Nuclear Theory · Physics 2022-02-28 Jianguo Li , Carlos A. Bertulani , Furong Xu

We propose an alternative approach for the detection of fast neutrons in the energy range from 10-4 to 5 MeV based on 10B-RPCs (hybrid double-gap Resistive Plate Chambers with 10B4C neutron converters) surrounded by a polyethylene…

Instrumentation and Detectors · Physics 2022-02-23 A. Morozov , L. M. S. Margato , A. Blanco , D. Galaviz

Neutron computed tomography (nCT) is a 3D characterization technique used to image the internal morphology or chemical composition of samples in biology and materials sciences. A typical workflow involves placing the sample in the path of a…

Photon-counting computed tomography (PCCT) marks a significant advancement over conventional energy-integrating detector (EID) CT systems. This review highlights PCCT's superior spatial and contrast resolution, reduced radiation dose, and…

Atom-like defects in two-dimensional (2D) hexagonal boron nitride (hBN) have recently emerged as a promising platform for quantum information science. Here we investigate single-photon emissions from atomic defects in boron nitride…

To improve the quality of cancer treatment with protons, a translation of X-ray Computed Tomography (CT) images into a map of the proton stopping powers needs to be more accurate. Proton stopping powers determined from CT images have…

For the research of CCD neutron radiography, a neutron collimator was designed based on the exit of thermal neutron of the Boron Neutron Capture Therapy (BNCT) reactor. Based on the Geant4 simulations, the preliminary choice of the size of…

Instrumentation and Detectors · Physics 2014-03-05 XP. Yang , BX. Yu , YG. Li , D. Peng , J. Lu , GL. Zhang , H. Zhao , AW. Zhang , CY. Li , WJ. Liu , T. Hu , JG. Lv

We propose a technique for sensitive magnetic point force detection using a suspended carbon nanotube (CNT) mechanical resonator combined with a magnetic field gradient generated by a ferromagnetic gate electrode. Numerical calculations of…

Mesoscale and Nanoscale Physics · Physics 2015-01-22 Kyle Willick , Chris Haapamaki , Jonathan Baugh

Adaptive radiotherapy is a growing field of study in cancer treatment due to it's objective in sparing healthy tissue. The standard of care in several institutions includes longitudinal cone-beam computed tomography (CBCT) acquisitions to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 William Trung Le , Chulmin Bang , Philippine Cordelle , Daniel Markel , Phuc Felix Nguyen-Tan , Houda Bahig , Samuel Kadoury

Neutron transport inside the reflector tank of the new Brazilian nuclear reactor, called the RMB (Brazilian Multipurpose Reactor), is investigated using the stochastic Monte Carlo method. One of the main characteristics of research nuclear…

The Spallation Neutron Source (SNS) Front-End Systems Group at Lawrence Berkeley National Lab (LBNL) is developing a Radio Frequency Quadrupole (RFQ) to accelerate an H- beam from 65 keV to 2.5 MeV at the operating frequency of 402.5 MHz.…

Accelerator Physics · Physics 2007-05-23 S. Virostek , J. Staples

In the last ten years the use of proton beams in radiation therapy has become a clinical tool for treatment of deep-seated tumours. LIBO is a RF compact and low cost proton linear accelerator (SCL type) for hadrontherapy. It is conceived by…

Accelerator Physics · Physics 2009-09-29 Paolo Berra

The HANARO ex-core neutron irradiation facility was developed for various applications in the boron neutron capture therapy (BNCT) field, and its characteristics have been investigated. In order to obtain a sufficient thermal neutron flux…

Medical Physics · Physics 2015-06-26 Myong-Seop Kim , Byung-Chul Lee , Sung-Yul Hwang , Heonil Kim , Byung-Jin Jun

The TOP-IMPLART project consists of the design and implementation of a linear proton accelerator, its control and monitoring systems for the treatment of superficial and semi-deep tumors. The energy of 150 MeV (corresponding to a…

Spin defects in semiconductors are widely investigated for various applications in quantum sensing. Conventional host materials such as diamond and hexagonal boron nitride (hBN) provide bulk or low-dimensional platforms for optically…

We performed integrated modelling of the chemical pathways of formation for boron nitride nanotube (BNNT) precursors during high-temperature synthesis in a B/N2 mixture. Modelling includes quantum chemistry, quantum-classical molecular…

Early identification of head and neck cancer (HNC) patients who would experience significant anatomical change during radiotherapy (RT) is important to optimize patient clinical benefit and treatment resources. This study aims to assess the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Meixu Chen , Kai Wang , Michael Dohopolski , Howard Morgan , David Sher , Jing Wang

Background: Thick-target-induced nucleon-adding transfer reactions onto energetic rare-isotope beams are an emerging spectroscopic tool. Their sensitivity to single-particle structure complements one-nucleon removal reaction capabilities in…