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Uncertainties in the proton range in tissue during proton therapy limit the precision in treatment delivery. These uncertainties result in expanded treatment margins, thereby increasing radiation dose to healthy tissue. Real-time range…

Medical Physics · Physics 2018-10-17 Kristian Smeland Ytre-Hauge , Kyrre Skjerdal , John Mattingly , Ilker Meric

We propose a technique to effectively sample initial neutron and delayed neutron precursor particles for Monte Carlo (MC) simulations of typical off-critical reactor transients. The technique can be seen as an improvement, or alternative,…

Computational Physics · Physics 2023-05-15 Ilham Variansyah , Ryan G. McClarren

While machine learning fairness has made significant progress in recent years, most existing solutions focus on tabular data and are poorly suited for vision-based classification tasks, which rely heavily on deep learning. To bridge this…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Ignacy Stępka , Lukasz Sztukiewicz , Michał Wiliński , Jerzy Stefanowski

Point cloud filtering is a fundamental 3D vision task, which aims to remove noise while recovering the underlying clean surfaces. State-of-the-art methods remove noise by moving noisy points along stochastic trajectories to the clean…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Dasith de Silva Edirimuni , Xuequan Lu , Gang Li , Lei Wei , Antonio Robles-Kelly , Hongdong Li

Context. We present the COMetary dust TAIL Simulator (COMTAILS), a numerical Monte Carlo code to generate images of dust tail brightness from comets and active asteroids in the Solar System. Aims. We describe a numerical code, available to…

Earth and Planetary Astrophysics · Physics 2025-03-10 Fernando Moreno

We present the DIRTY radiative transfer model in this paper and a companion paper. This model computes the polarized radiative transfer of photons from arbitrary distributions of stars through arbitrary distributions of dust using Monte…

Astrophysics · Physics 2009-10-31 Karl D. Gordon , K. A. Misselt , Adolf N. Witt , Geoffrey C. Clayton

This paper studies the problem of exact localization of sparse (point or extended) objects with noisy data. The crux of the proposed approach consists of random illumination. Several recovery methods are analyzed: the Lasso, BPDN and the…

Information Theory · Computer Science 2015-05-19 Albert Fannjiang

Extended source effects can be seen in gravitational lensing events when sources cross critical lines. Those events probe the stellar intensity profile and could be used to measure limb darkening coefficients to test stellar model…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Hans J. Witt , F. Atrio-Barandela

We investigate the sensitivity of a large, underground LArTPC-based neutrino detector to dark matter in the Galactic Center annihilating into neutrinos. Such a detector could have the ability to resolve the direction of the electron in a…

High Energy Physics - Experiment · Physics 2023-05-24 Matthew R. Buckley , Andrew Mastbaum , Gopolang Mohlabeng

We consider the use of directionality in the search for monoenergetic sub-GeV neutrinos arising from the decay of stopped kaons, which can be produced by dark matter annihilation in the core of the Sun. When these neutrinos undergo…

High Energy Physics - Phenomenology · Physics 2017-01-13 Carsten Rott , Seongjin In , Jason Kumar , David Yaylali

Much of the progress made in time-domain astronomy is accomplished by relating observational multi-wavelength time series data to models derived from our understanding of physical laws. This goal is typically accomplished by dividing the…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 James Guillochon , Matt Nicholl , V. Ashley Villar , Brenna Mockler , Gautham Narayan , Kaisey S. Mandel , Edo Berger , Peter K. G. Williams

Background A key requirement for a useful power calculation is that the calculation mimic the data analysis that will be performed on the actual data, once it is observed. Close approximations may be difficult to achieve using analytic…

Applications · Statistics 2014-10-15 Ken Kleinman , Susan S. Huang

We investigate the improvement in sensitivity to astrophysical point sources of energetic ($\gtrsim1$ GeV) neutrinos which can be achieved with angular and/or energy resolution of the neutrino-induced muon. As a specific example we consider…

Astrophysics · Physics 2009-10-30 L. Bergstrom , J. Edsjo , M. Kamionkowski

We present starkiller, an open-source Python package for forward-modeling flux retrieval from integral field unit spectrograph (IFU) datacubes. Starkiller simultaneously provides stellar spectral classification, relative velocity, and…

Instrumentation and Methods for Astrophysics · Physics 2025-08-04 Ryan Ridden-Harper , Michele T. Bannister , Sophie E. Deam , Thomas Nordlander

This paper presents an in-depth study of how to estimate the sensitivity of searches for gravitational-wave pulsars -- rapidly-rotating neutron stars which emit quasi-sinusoidal gravitational waves. It is particularly concerned with…

General Relativity and Quantum Cosmology · Physics 2012-03-01 Karl Wette

The scintillation light output response of stilbene crystals has been measured for protons recoiling along the \textit{a}, \textit{b}, and \textit{c'} crystalline axes with energies between 1.3 and 10 MeV using neutrons produced with the…

Instrumentation and Detectors · Physics 2019-06-07 R. A. Weldon , J. M. Mueller , C. Lynch , P. Schuster , S. Hedges , C. Awe , L. Li , P. Barbeau , J. Mattingly

We apply the sky brightness modelling technique introduced and developed by Roy Garstang to high-resolution DMSP-OLS satellite measurements of upward artificial light flux and to GTOPO30 digital elevation data in order to predict the…

Astrophysics · Physics 2009-11-10 Pierantonio Cinzano , Cristopher D. Elvidge

The IceCube collaboration has reported the first detection of high-energy astrophysical neutrinos including $\sim 50$ high-energy starting events, but no individual sources have been identified. It is therefore important to develop the most…

Instrumentation and Methods for Astrophysics · Physics 2016-08-03 Ke Fang , M. Coleman Miller

We describe how to generate a longitudinal brightness map for a tidally locked exoplanet from its phase function light curve. We operate under a number of simplifying assumptions, neglecting limb darkening/brightening, star spots, detector…

Astrophysics · Physics 2009-11-13 Nicolas B. Cowan , Eric Agol

We constrain the evolution of the rest-frame far-infrared (FIR) luminosity function out to high redshift, by combining several pieces of complementary information provided by the deep Balloon-borne Large-Aperture Submillimeter Telescope…