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Charge state distributions of $^{56}$Fe and $^{58}$Ni projectile ions passing through thin carbon foils have been studied in the energy range of 1.44 - 2.69 MeV/u using a novel method from the x-ray spectroscopy technique. Interestingly the…

Atomic Physics · Physics 2015-09-01 Prashant Sharma , Tapan Nandi

Proton scattering in some water and tissue equivalent phantom materials was measured to evaluate their simulation accuracy of water and respective human biological tissues. The measurements were performed on the medical facility of the ITEP…

Medical Physics · Physics 2010-11-23 V. N. Vasiliev , V. I. Kostjuchenko , V. G. Khaybullin , S. I. Samarin , A. S. Uglov

Hadrontherapy is an emerging technique in cancer therapy that uses beams of charged particles. To meet the improved capability of hadrontherapy in matching the dose release with the cancer position, new dose monitoring techniques need to be…

Bayesian inference provides a principled way of estimating the parameters of a stochastic process that is observed discretely in time. The overdamped Brownian motion of a particle confined in an optical trap is generally modelled by the…

Data Analysis, Statistics and Probability · Physics 2017-02-01 Sudipta Bera , Shuvojit Paul , Rajesh Singh , Dipanjan Ghosh , Avijit Kundu , Ayan Banerjee , R. Adhikari

A simple X-ray imaging system using off-the-shelf electronics and simple reconstruction algorithms aiming a spatial resolution of 1.7 mm ($\sim 3\,\%$ of the detector length) is described in this work. For this, two 100 cm$^2$ Gas Electron…

Instrumentation and Detectors · Physics 2015-06-18 H. Natal da Luz , J. A. Mir , X. Carvalho , J. M. F. dos Santos

A key challenge in particle accelerators is to achieve high peak intensity. Space charge is particularly strong at lower energy such as during injection and typically limits achievable peak intensity. The beam stacking technique can…

An approach to determine the kinetic beam energy at the $10^{-5}$ level is presented, which corresponds to an improvement by more than one order of magnitude compared to conventional methods. Particularly, collinear fluorescence and…

Atomic Physics · Physics 2021-03-17 Kristian König , Kei Minamisono , Jeremy Lantis , Skyy Pineda , Robert Powel

Electron beam induced current (EBIC) is a powerful technique which measures the charge collection efficiency of photovoltaics with sub-micron spatial resolution. The exciting electron beam results in a high generation rate density of…

Materials Science · Physics 2014-10-17 Paul M. Haney , Heayoung P. Yoon , Prakash Koirala , Robert W. Collins , Nikolai B. Zhitenev

We have developed an innovative methodology for obtaining the neutron energy distribution from a time-of-flight (TOF) measurement based on the iterative Bayesian unfolding method and accurate Monte Carlo simulations. This methodology has…

Data Analysis, Statistics and Probability · Physics 2024-09-26 A. Pérez de Rada Fiol , D. Cano-Ott , T. Martínez , V. Alcayne , E. Mendoza , J. Plaza , A. Sanchez-Caballero , D. Villamarín

This article proposes a new method to measure the proton detector efficiency for use in "beam" determinations of the free neutron lifetime. There is currently a 4{\sigma} disagreement between the "beam" and "storage" methods of measuring…

Instrumentation and Detectors · Physics 2024-10-07 Grant V. Riley , Nadia Fomin , Jaideep Taggart Singh , William Greene , Rebecca Godri , Evan Adamek , Eli Carter

The motility of living things and synthetic self-propelled objects is often described using Active Brownian particles. To capture the interaction of these particles with their often complex environment, this model can be augmented with…

Statistical Mechanics · Physics 2024-09-06 Sascha Lambert , Merle Duchene , Stefan Klumpp

Quantum-logic techniques used to manipulate quantum systems are now increasingly being applied to molecules. Previous experiments on single trapped diatomic species have enabled state detection with excellent fidelities and highly precise…

Quantum Physics · Physics 2025-03-18 Kaveh Najafian , Ziv Meir , Mudit Sinhal , Stefan Willitsch

An accelerator experiment was performed using a low-energy antiproton beam to measure antiproton detection efficiency of BESS, a balloon-borne spectrometer with a superconducting solenoid. Measured efficiencies showed good agreement with…

Biased sampling in molecular dynamics simulations overcomes timescale limitations and delivers free-energy landscapes, essential to understand complex atomistic phenomena. However, when applied across diverse systems and processes, biasing…

Statistical Mechanics · Physics 2026-01-14 Eline K. Kempkes , Alberto Pérez de Alba Ortíz

Energy spectra of backscattered and transmitted ions with primary energies of 50 keV and 100 keV interacting with self-supporting foils were recorded with a Time-of-Flight Medium-Energy Ion Scattering setup in a single experiment.…

Materials Science · Physics 2021-02-24 Barbara Bruckner , Philipp M. Wolf , Peter Bauer , Daniel Primetzhofer

Plastic scintillators are widely used in high-energy and medical physics, often for measuring the energy of ionizing radiation. Their main disadvantage is their non-linear response to highly ionizing radiation, called ionization quenching.…

Instrumentation and Detectors · Physics 2021-02-03 Thomas Pöschl , Daniel Greenwald , Martin Jan Losekamm , Stephan Paul

This paper describes beam energy online measurement of BEPCII linac, presents the calculation formula and some of the results. The method mentioned here measures the beam energy by acquiring beam positions in the horizontal direction with…

Accelerator Physics · Physics 2015-10-09 Shao-Zhe Wang , Rong Liu , Yun-Long Chi

Building upon our previously introduced mechanism for ion trapping based on the quantum Zeno effect (QZE), we propose a novel approach to systematically draw ions closer together, solely via quantum measurements. The proposed method…

Quantum Physics · Physics 2024-03-18 Varqa Abyaneh

This paper describes both an experimental methodology based on the Ion Beam Induced Charge (IBIC) technique and the relevant interpretative model, which were adopted to characterize the electronic features of power diodes. IBIC spectra were…

Instrumentation and Detectors · Physics 2021-02-03 M. Pezzarossa , E. Cepparrone , D. Cosic , M. Jakšić , G. Provatas , M. Vićentijević , E. Vittone

Purpose: To demonstrate a proton imaging system based on well-established fast scintillator technology to achieve high performance with low cost and complexity, with the potential of a straightforward translation into clinical use. Methods:…