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Neutron energy spectrum from 120 GeV protons on a thick copper target was measured at the Meson Test Beam Facility (MTBF) at Fermi National Accelerator Laboratory. The data allows for evaluation of neutron production process implemented in…

The Sigma beam asymmetry for positive pion photoproduction on the proton has been measured over an angular range of 40-170 deg at photon energies from 0.8 to 1.5 GeV. The resulting data set includes 237 accurate points, 136 of these…

FLASH is a new treatment modality that requires optimization of dose, dose rate, and LET. Here we validate these three quantities under FLASH conditions, which includes the quantum uncertainty in the time-dependent instantaneous dose rate…

A complete understanding of Gamma Ray Bursts (GRBs) has been difficult to achieve due to our incomplete knowledge of the radiation mechanism that is responsible for producing the prompt emission. This emission, which is detected in the…

High Energy Astrophysical Phenomena · Physics 2021-12-15 Tyler Parsotan , Davide Lazzati

A model for beam customization with collimators and a range-compensating filter based on the phase-space theory for beam transport is presented for dose distribution calculation in treatment planning of radiotherapy with protons and heavier…

Medical Physics · Physics 2008-05-27 Nobuyuki Kanematsu , Shunsuke Yonai , Azusa Ishizaki , Masami Torikoshi

We aim to investigate the feasibility of online monitoring of irradiation time (IRT) and scan time for FLASH radiotherapy using a pixelated semiconductor detector. Measurements of the time structure of FLASH irradiations were performed…

The imaging performance of a high-resolution preclinical microPET system employing liquid xenon as the gamma ray detection medium was simulated. The arrangement comprises a ring of detectors consisting of trapezoidal LXe time projection…

Medical Physics · Physics 2012-03-23 A. Miceli , J. Glister , A. Andreyev , D. Bryman , L. Kurchaninov , P. Lu , A. Muennich , F. Retiere , V. Sossi

Liquid scintillating phantoms have been proposed as a means to perform real-time 3D dosimetry for proton therapy treatment plan verification. We have studied what effect radiation damage to the scintillator will have upon this application.…

A system for bunch-by-bunch detection of transverse proton and antiproton coherent oscillations in the Fermilab Tevatron collider is described. It is based on the signal from a single beam-position monitor located in a region of the ring…

Accelerator Physics · Physics 2013-12-19 G. Stancari , A. Valishev , S. M. White

Given the sensitivity of proton therapy to anatomical variations, this cancer treatment modality is expected to benefit greatly from integration with magnetic resonance (MR) imaging. One of the obstacles hindering such an integration are…

A system for online measurement of the transverse beam emittance was developed. It is named $^{4}$PrOB$\varepsilon$aM (4-Profiler Online Beam Emittance Measurement) and was conceived to measure the emittance in a fast and efficient way…

Accelerator Physics · Physics 2018-03-22 K. P. Nesteruk , M. Auger , S. Braccini , T. S. Carzaniga , A. Ereditato , P. Scampoli

Plasma scattering measurement is effective technique to observe low frequency density fluctuations excited in plasma. The spatial and wave number resolutions and the S/N ratio of measurement depend on the wavelength range, the size and the…

Plastic scintillation detectors represent an efficient, cost-effective, customizable solution for assessment of gamma radiation fields in the context of nuclear security, environmental radiation survey, radiological and nuclear incidents…

Instrumentation and Detectors · Physics 2021-12-08 Paolo Tancioni , Ulisse Gendotti

A proton irradiation site for silicon detectors has been developed and commissioned at the Bonn Isochronous Cyclotron. The accelerator provides 14 MeV proton beams of up to 1 $\mu$A at beam widths of a few mm to the setup. Devices Under…

Instrumentation and Detectors · Physics 2024-05-07 Pascal Wolf , Dennis Sauerland , Reinhard Beck , Jochen Dingfelder

The "Advanced Proton Driven Plasma Wakefield Acceleration Experiment" (AWAKE) aims to accelerate leptons via proton-beam-driven wakefield acceleration. It comprises extensive numerical studies as well as experiments at the CERN laboratory.…

Computational Physics · Physics 2019-09-19 N. Moschüring , K. V. Lotov , K. Bamberg , F. Deutschmann , H. Ruhl

This study presents a proof-of-concept for a novel Bayesian inverse method in a one-dimensional setting, aimed at proton beam therapy treatment verification. Our methodology is predicated on a hypothetical scenario wherein strategically…

Applications · Statistics 2023-11-21 Alexander M. G. Cox , Laura Hattam , Andreas E. Kyprianou , Tristan Pryer

We present a multi-wavelength analysis of gamma-ray burst GRB 090727, for which optical emission was detected during the prompt gamma-ray emission by the 2-m autonomous robotic Liverpool Telescope and subsequently monitored for a further…

High Energy Astrophysical Phenomena · Physics 2015-06-16 D. Kopac , S. Kobayashi , A. Gomboc , J. Japelj , C. G. Mundell , C. Guidorzi , A. Melandri , D. Bersier , Z. Cano , R. J. Smith , I. A. Steele , F. J. Virgili

The response of a scintillation detector with a cylindrical 1.5-inch LaBr3:Ce crystal to incident neutrons has been measured in the energy range En = 2-12 MeV. Neutrons were produced by proton irradiation of a Li target at Ep = 5-14.6 MeV…

A simple, analytically correct algorithm is developed for calculating pencil beam coordinates using the signals from an ideal cylindrical particle beam position monitor (BPM) with four pickup electrodes (PUEs) of infinitesimal widths. The…

Accelerator Physics · Physics 2018-05-23 P. Thieberger , D. Gassner , R. Hulsart , R. Michnoff , T. Miller , M. Minty , Z. Sorrell , A. Bartnik

This study investigates the response of Timepix3 semiconductor pixel detectors in proton beams of varying intensities, with a focus on FLASH proton therapy. Using the Timepix3 ASIC chip, we measured the spatial and spectral characteristics…

Instrumentation and Detectors · Physics 2024-10-02 C. Oancea , J. Šolc , C. Granja , E. Bodenstein , F. Horst , J. Pawelke , J. Jakubek
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