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Related papers: Statistical Uncertainty in Quantitative Neutron Ra…

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Many techniques for measuring neutron star radii rely on absolute flux measurements in the X-rays. As a result, one of the fundamental uncertainties in these spectroscopic measurements arises from the absolute flux calibrations of the…

High Energy Astrophysical Phenomena · Physics 2016-09-28 Tolga Guver , Feryal Ozel , Herman Marshall , Dimitrios Psaltis , Matteo Guainazzi , Maria Diaz-Trigo

Monoenergetic photons from a pulsed laser diode or LED are commonly used to calibrate the detector response of high-resolution calorimetric detectors. However, when the detector's resolution is larger than the energy of a single photon, a…

Instrumentation and Detectors · Physics 2026-05-26 William J. Matava , Michael R. Williams

Nucleon-Nucleon potentials are commonplace in nuclear physics and are determined from a finite number of experimental data with limited precision sampling the scattering process. We study the statistical assumptions implicit in the standard…

Nuclear Theory · Physics 2014-07-02 R. Navarro Perez , J. E. Amaro , E. Ruiz Arriola

This paper introduces in full detail a methodology for the measurement of neutron yield and the necessary efficiency calibration, to be applied to the intensity measurement of neutron bursts where individual neutrons are not resolved in…

Instrumentation and Detectors · Physics 2011-10-13 Ariel Tarifeño-Saldivia , Roberto E. Mayer , Cristian Pavez , Leopoldo Soto

Measuring neutron star radii with spectroscopic and timing techniques relies on the combination of multiple observables to break the degeneracies between the mass and radius introduced by general relativistic effects. Here, we explore a…

High Energy Astrophysical Phenomena · Physics 2015-10-21 Feryal Ozel , Dimitrios Psaltis

Neutrino-nucleus coherent elastic scattering provides a theoretically appealing way to measure the neutron part of nuclear form factors. Using an expansion of form factors into moments, we show that neutrinos from stopped pions can probe…

Nuclear Theory · Physics 2013-05-30 Kelly Patton , Jonathan Engel , Gail C. McLaughlin , Nicolas Schunck

High precision measurements of the parity-violating asymmetry in polarized electron scattering from nuclei can be used to extract information on nuclear and nucleon structure or to determine Standard Model couplings and higher-order…

Nuclear Theory · Physics 2015-04-15 O. Moreno , T. W. Donnelly

Precise and reliable measurements of the masses and radii of neutron stars with a variety of masses would provide valuable guidance for improving models of the properties of cold matter with densities above the saturation density of nuclear…

High Energy Astrophysical Phenomena · Physics 2016-04-20 M. Coleman Miller , Frederick K. Lamb

The masses and radii of low-magnetic field neutron stars can be measured by combining different observable quantities obtained from their X-ray spectra during thermonuclear X-ray bursts. One of these quantities is the apparent radius of…

High Energy Astrophysical Phenomena · Physics 2012-02-22 Tolga Guver , Dimitrios Psaltis , Feryal Ozel

Optical quantum computing, as well as quantum communication and sensing technology based on quantum correlations are in preparation. These require photodiodes for the detection of about 10^16 photons per second with close to perfect quantum…

Quantum Physics · Physics 2026-02-16 Leif Albers , Jan-Malte Michaelsen , Roman Schnabel

Characterization of photon statistics of a light source is one of the most basic tools in quantum optics. Although the outcome from existing methods is believed to be a good approximation when the measured light is sufficiently weak, there…

Quantum Physics · Physics 2019-03-26 Masahiro Kumazawa , Toshihiko Sasaki , Masato Koashi

It is very important to measure the plasma performances of fusion reactors such as fuel ion density, plasma temperature, fusion power, fast neutron energy, and neutron flux. Various diagnostic systems are needed to measure fast neutron…

Nuclear Experiment · Physics 2024-07-10 Iskender Atilla Reyhancan

A method for calibration of cryogenic liquid argon detector response to recoils with certain energy -8.2 keV - is proposed. The method utilizes a process of inelastic scattering of monoenergetic neutrons produced by fusion DD neutron…

Instrumentation and Detectors · Physics 2014-07-11 Sergey Polosatkin , Evgeny Grishnyaev , Alexander Dolgov

Background: Neutron-skin thickness is an excellent indicator of isovector properties of atomic nuclei. As such, it correlates strongly with observables in finite nuclei that depend on neutron-to-proton imbalance and the nuclear symmetry…

Nuclear Theory · Physics 2015-06-16 M. Kortelainen , J. Erler , W. Nazarewicz , N. Birge , Y. Gao , E. Olsen

In this article we present an evaluation of the uncertainty in the average number of photoelectrons, which is important for the calibration of photodetectors. We show that the statistical uncertainty depends on light intensity, and on the…

Instrumentation and Detectors · Physics 2019-06-26 N. Anfimov , A. Rybnikov , A. Sotnikov

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

While considerable advance has been made to account for statistical uncertainties in astronomical analyses, systematic instrumental uncertainties have been generally ignored. This can be crucial to a proper interpretation of analysis…

A calibration procedure is proposed for the ITER Radial Neutron Camera. No in-vessel calibration using external neutron sources is required: instead, it is proposed to rely on embedded sources, reference ITER pulses and cross-calibration…

Instrumentation and Detectors · Physics 2018-10-22 M. Cecconelloa , R. Miklaszewski , D. Marocco , S. Conroy , F. Moro , B. Esposito , S. Podda , B. Bienkowska , A. Szydlowski

Modeling the amplitudes and shapes of the X-ray pulsations observed from hot, rotating neutron stars provides a direct method for measuring neutron-star properties. This technique constitutes an important part of the science case for the…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Dimitrios Psaltis , Feryal Ozel , Deepto Chakrabarty

Modern neural networks have found to be miscalibrated in terms of confidence calibration, i.e., their predicted confidence scores do not reflect the observed accuracy or precision. Recent work has introduced methods for post-hoc confidence…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Fabian Küppers , Jan Kronenberger , Jonas Schneider , Anselm Haselhoff
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