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Testing the DAMA/LIBRA annual modulation result independently of dark matter particle and halo models has been a challenge for twenty years. Using the same target material, NaI(Tl), is required and presently two experiments, ANAIS-112 and…

Instrumentation and Methods for Astrophysics · Physics 2022-03-02 D. Cintas , P. An , C. Awe , P. S. Barbeau , E. Barbosa de Souza , S. Hedges , J. H. Jo , M. Martinez , R. H. Maruyama , L. Li , G. C. Rich , J. Runge , M. L. Sarsa , W. G. Thompson

This study presents a methodology to reveal traces of viral particles, as aerosol with known chemical and molecular structure, in a sample by means of photon and electron interactions. The method is based on Monte Carlo simulations and on…

Instrumentation and Detectors · Physics 2021-06-22 Luca J. Tagliapietra , John I. Adlish , Piero Neuhold , Riccardo Surrente

A quantum Monte Carlo study of the atomization energies for the G2 set of molecules is presented. Basis size dependence of diffusion Monte Carlo atomization energies is studied with a single determinant Slater-Jastrow trial wavefunction…

Chemical Physics · Physics 2015-06-04 F. R. Petruzielo , Julien Toulouse , C. J. Umrigar

Dark matter particles scattering off some target nuclei are expected to deposit very small energies in form of nuclear recoils (below 100 keV). Because of the low scintillation efficiency for nuclear recoils vs. electron recoils, in most of…

Instrumentation and Methods for Astrophysics · Physics 2014-12-19 C. Cuesta , J. Amaré , S. Cebrián , E. García , C. Ginestra , M. Martínez , M. A. Oliván , Y. Ortigoza , A. Ortiz de Solórzano , C. Pobes , J. Puimedón , M. L. Sarsa , J. A. Villar , P. Villar

Numerical values of charged-particle thermonuclear reaction rates for nuclei in the A=14 to 40 region are tabulated. The results are obtained using a method, based on Monte Carlo techniques, that has been described in the preceding paper of…

Solar and Stellar Astrophysics · Physics 2015-05-18 Christian Iliadis , Richard Longland , Art Champagne , Alain Coc , Ryan Fitzgerald

Monte Carlo radiative transfer, which has been demonstrated as a successful algorithm for modeling radiation transport through the astrophysical medium, relies on sampling of scattering phase functions. We review several classic sampling…

Computational Physics · Physics 2019-09-18 Jianing Zhang

The PICO-LON project aims at search for cold dark matter by means of highly radio-pure and large volume NaI(Tl) scintillator. The NaI powder was purifed by chemical processing to remove lead isotopes and selecting a high purity graphite…

Instrumentation and Methods for Astrophysics · Physics 2016-06-22 K. Fushimi , H. Ejiri , R. Hazama , H. Ikeda , K. Imagawa , K. Inoue , G. Kanzaki , A. Kozlov , R. Orito , T. Shima , Y. Takemoto , Y. Teraoka , S. Umehara , K. Yasuda , S. Yoshida

The microscopic description of collectivity in heavy nuclei in the framework of the configuration-interaction shell model has been a major challenge. The size of the model space required for the description of heavy nuclei prohibits the use…

Nuclear Theory · Physics 2015-06-18 C. Özen , Y. Alhassid , H. Nakada

In terms of energy resolution, temporal response to burst events, and thermal stability, lanthanum bromide doped with Ce is a much better choice than the traditional NaI(Tl) scintillator for hard X-ray astronomy. We present the test results…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 Hong Li , Jianfeng Ji , Hua Feng , Zhi Zhang , Dong Han

The Short-Time approximation is a method introduced to evaluate electroweak nuclear response for systems with $A\geq12$, extending the reach of first-principle many-body Quantum Monte Carlo calculations. Using realistic two- and three-body…

Particle physics, when taught in the classroom or lecture theatre, suffers from a lack of practical experience by students. Thus, we describe the construction of a fully working small particle physics detector using state of the art…

We describe the Monte Carlo (MC) simulation package of the `2K-CAPTURE' setup and discuss the agreement of its output with data. The `2K-CAPTURE' MC simulates the energy loss of particles in detector and components of the passive shield and…

The high sensitivity of lithium detector to pep- and Be7-neutrinos makes a lithium radiochemical detector a powerful tool for the search of the oscillations of solar neutrinos. The first phase of lithium experiment on the installation with…

High Energy Physics - Experiment · Physics 2011-04-15 A. V. Kopylov

In this study, we employ the Monte Carlo simulations by using the GEANT4 code to demonstrate the capability of muon tomography based on the dual-parameter analysis in the examination of the nuclear waste barrels. Our current hodoscope setup…

Instrumentation and Detectors · Physics 2022-12-06 Ahmet Ilker Topuz , Madis Kiisk , Andrea Giammanco

Extrasolar satellites are generally too small to be detected by nominal searches. By analogy to the most active body in the Solar System, Io, we describe how sodium (Na I) and potassium (K I) $\textit{gas}$ could be a signature of the…

The ANAIS (Annual modulation with NaI(Tl) Scintillators) experiment aims at the confirmation of the DAMA/LIBRA positive annual modulation signal using the same target and technique at the Canfranc Underground Laboratory (LSC). A first step,…

Instrumentation and Methods for Astrophysics · Physics 2016-01-07 J. Amaré , S. Cebrián , C. Cuesta , E. García , M. Martínez , M. A. Oliván , Y. Ortigoza , A. Ortiz de Solórzano , C. Pobes , J. Puimedón , M. L. Sarsa , J. A. Villar , P. Villar

Metropolis Monte Carlo simulations of the eutectic NaK alloy are performed using the Second Moment Approximation (SMA) model potential across a wide range of temperatures at constant pressure. The alloy structure and thermodynamics are…

Materials Science · Physics 2017-07-18 Doug Reitz , Estela Blaisten-Barojas

The propagation of uncertainties in reaction cross sections and rates of neutron-, proton-, and $\alpha$-induced reactions into the final isotopic abundances obtained in nucleosynthesis models is an important issue in studies of…

High Energy Astrophysical Phenomena · Physics 2020-12-24 T. Rauscher

The surface $^{210}$Pb is one of the main background sources for dark-matter-search experiments using NaI(Tl) crystals, and its spectral features associated with the beta-decay events for energies less than 60 keV depends on the depth…

Instrumentation and Detectors · Physics 2020-10-14 G. H. Yu , C. Ha , E. J. Jeon , K. W. Kim , N. Y. Kim , Y. D. Kim , H. S. Lee , H. K. Park , C. Rott

Type I X-ray bursts are thermonuclear flashes on the surface of accreting neutron stars, involving hundreds of nuclei and thousands of reactions with larger uncertainties in reaction rate. To investigate the impact of nuclear reaction rate…

High Energy Astrophysical Phenomena · Physics 2026-03-12 Qing Wang , Ertao Li , Zhihong Li , Youbao Wang , Bing Guo , Yunju Li , Jun Su , Shipeng Hu , Yinwen Guan , Dong Xiang , Yu Liu , Lei Yang , Weiping Liu
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