English
Related papers

Related papers: Implementation of X-rays production in LegPy

200 papers

SpectraPy is an Astropy affiliated package for spectroscopic data reduction. It collects algorithms and methods for data reduction of astronomical spectra obtained by through-slits spectrographs. It has been created to fill the gap in…

Instrumentation and Methods for Astrophysics · Physics 2023-02-10 Marco Fumana

In a previous paper, we reviewed theoretically some of the available processing schemes for X-ray wavefront sensing based on random modulation. We here show experimental applications of the technique for characterising both refractive and…

Instrumentation and Detectors · Physics 2020-02-24 Sebastien Berujon , Ruxandra Cojocaru , Pierre Piault , Rafael Celestre , Thomas Roth , Raymond Barrett , Eric Ziegler

We present ZodiPy, a modern and easy-to-use Python package for modeling the zodiacal emission seen by an arbitrary Solar System observer, which can be used for the removal of both thermal emission and scattered sunlight from interplanetary…

Earth and Planetary Astrophysics · Physics 2022-10-19 M. San , D. Herman , G. B. Erikstad , M. Galloway , D. Watts

This thesis focuses on X-ray polarimetry and its recent resurgence due to the NASA/ASI Imaging X-ray Polarimetry Explorer (IXPE) mission launched in December 2021. It aims to address two critical tasks: in-orbit calibrations and observing…

High Energy Astrophysical Phenomena · Physics 2023-09-22 Riccardo Ferrazzoli

Future hard (10 -100 keV) X-ray telescopes (SIMBOL-X, Con-X, HEXIT-SAT, XEUS) will implement focusing optics with multilayer coatings: in view of the production of these optics we are exploring several deposition techniques for the…

Instrumentation and Methods for Astrophysics · Physics 2015-09-09 D. Spiga , A. Mirone , G. Pareschi , R. Canestrari , V. Cotroneo , C. Ferrari , C. Ferrero , L. Lazzarini , D. Vernani

Line coincidence photopumping is a process where the electrons of an atomic or molecular species are radiatively excited through the absorption of line emission from another species at a coincident wavelength. There are many instances of…

Solar and Stellar Astrophysics · Physics 2017-12-27 F. P. Keenan , K. Poppenhaeger , M. Mathioudakis , S. J. Rose , J. Flowerdew , D. Hynes , D. J. Christian , J. Nilsen , W. R. Johnson

The Lunar Electromagnetic Monitor in X-rays (LEM-X) is a proposed wide-field X-ray observatory designed for deployment on the Moon's surface. Its primary scientific goal is to enhance multi-messenger astrophysics by detecting, localizing,…

Optical stellar interferometers have demonstrated milli-arcsecond resolution with few apertures spaced hundreds of meters apart. To obtain rich direct images, many apertures will be needed, for a better sampling of the incoming wavefront.…

Instrumentation and Methods for Astrophysics · Physics 2014-09-17 Arun Surya , Swapan K. Saha , Antoine Labeyrie

We propose an interferometry experiment for the detection of axion-like particles (ALPs). As in ordinary photon-regeneration (light shining through a wall) experiments, a laser beam traverses a region permeated by a magnetic field, where…

High Energy Physics - Phenomenology · Physics 2018-08-28 H. Tam , Q. Yang

We present a straightforward method to realize non-planar dielectric structures with a controlled height profile for use in calibration of fluorophores. Calibration of fluorescence quantum efficiency and intrinsic radiative and nonradiative…

Optics · Physics 2013-01-16 Andrej Kwadrin , A. Femius Koenderink

From the optical to the X-ray frequencies, most of the continuum emission from AM Her systems originates in the post-shock region. Hence, using multi-spectral data can be useful to restrict the physical and geometrical properties of that…

Solar and Stellar Astrophysics · Physics 2011-01-31 K. M. G. Silva , C. V. Rodrigues , J. E. R. Costa

In the last decades huge theoretical effort was devoted to the development of consistent theoretical models, aiming to solve the so-called "measurement problem", to which John Bell dedicated part of his thoughts. Among these, the Dynamical…

Quantum Physics · Physics 2015-06-11 C. Curceanu , B. C. Hiesmayr , K. Piscicchia

Direct Numerical Simulations established that the FENE-P model of viscoelastic flows exhibits the phenomenon of turbulent drag reduction which is caused in experiments by dilute polymeric additives. To gain analytic understanding of the…

Statistical Mechanics · Physics 2009-11-07 Roberto Benzi , Itamar Procaccia

Speculative decoding accelerates large language model inference by using smaller draft models to generate candidate tokens for parallel verification. However, current approaches are limited by sequential stage dependencies that prevent full…

Artificial Intelligence · Computer Science 2025-05-06 Bradley McDanel , Sai Qian Zhang , Yunhai Hu , Zining Liu

X-ray propagation-based imaging techniques are well-established at synchrotron radiation and laboratory sources. However, most reconstruction algorithms for such image modalities, also known as phase retrieval algorithms, have been…

Image and Video Processing · Electrical Eng. & Systems 2020-12-16 Max Langer , Yuhe Zhang , Diogo Figueirinhas , Jean-Baptiste Forien , Claire Mouton , Rajmund Mokso , Pablo Villanueva-Perez

This paper is a guide to the installation and use of the Python package PYESSENCE. PYESSENCE is designed to evolve linear perturbations to Coupled Quintessence models with a arbitrary number of cold dark matter (CDM) fluids and dark energy…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-10 Alexander Leithes

Due to be launched in late 2021, the Imaging X-Ray Polarimetry Explorer (IXPE) is a NASA Small Explorer mission designed to perform polarization measurements in the 2-8 keV band, complemented with imaging, spectroscopy and timing…

The upcoming X-ray missions based on the microcalorimeter technology require exquisite precision in spectral simulation codes in order to match the unprecedented spectral resolution. In this work, we improve the fluorescence K$\alpha$…

Instrumentation and Methods for Astrophysics · Physics 2021-07-30 Francesco Camilloni , Stefano Bianchi , Roberta Amato , Gary Ferland , Victoria Grinberg

Automated regression test generation has been extensively explored, yet generating high-quality tests for Python programs remains particularly challenging. Because of the Python's dynamic typing features, existing approaches, ranging from…

Software Engineering · Computer Science 2025-10-23 Runlin Liu , Zhe Zhang , Yunge Hu , Yuhang Lin , Xiang Gao , Hailong Sun

The X-ray Polarization Probe (XPP) is a second generation X-ray polarimeter following up on the Imaging X-ray Polarimetry Explorer (IXPE). The XPP will offer true broadband polarimetery over the wide 0.2-60 keV bandpass in addition to…

Instrumentation and Methods for Astrophysics · Physics 2019-07-25 Keith Jahoda , Henric Krawczynski , Fabian Kislat , Herman Marshall , Takashi Okajima , Ivan Agudo , Lorella Angelini , Matteo Bachetti , Luca Baldini , Matthew Baring , Wayne Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Niccolo Bucciantini , Ilaria Caiazzo , Fiamma Capitanio , Paolo Coppi , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Jason Dexter , Laura Di Gesu , Niccolo Di Lalla , Victor Doroshenko , Michal Dovciak , Riccardo Ferrazzoli , Felix Fuerst , Alan Garner , Pranab Ghosh , Denis Gonzalez-Caniulef , Victoria Grinberg , Shuichi Gunji , Dieter Hartman , Kiyoshi Hayashida , Jeremy Heyl , Joanne Hill , Adam Ingram , Wataru Buz Iwakiri , Svetlana Jorstad , Phil Kaaret , Timothy Kallman , Vladimir Karas , Ildar Khabibullin , Takao Kitaguchi , Jeff Kolodziejczak , Chryssa Kouveliotou , Yannis Liodakis , Thomas Maccarone , Alberto Manfreda , Frederic Marin , Andrea Marinucci , Craig Markwardt , Alan Marscher , Giorgio Matt , Mark McConnell , Jon Miller , Ikuyuki Mitsubishi , Tsunefumi Mizuno , Alexander Mushtukov , Stephen Ng , Michael Nowak , Steve O'Dell , Alessandro Papitto , Dheeraj Pasham , Mark Pearce , Lawrence Peirson , Matteo Perri , Melissa Pesce Rollins , Vahe Petrosian , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Juri Poutanen , Chanda Prescod-Weinstein , Simonetta Puccetti , Tuomo Salmi , Kevin Shi , Paolo Soffita , Gloria Spandre , Jack Steiner , Tod Strohmayer , Valery Suleimanov , Jiri Svoboda , Jean Swank , Toru Tamagawa , Hiromitsu Takahashi , Roberto Taverna , John Tomsick , Alessio Trois , Sergey Tsygankov , Roberto Turolla , Jacco Vink , Joern Wilms , Kinwah Wu , Fei Xie , George Younes , Alessandra Zaino , Anna Zajczyk , Silvia Zane , Andrzej Zdziarski , Haocheng Zhang , Wenda Zhang , Ping Zhou