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The Neutrino Experiment with a Xenon TPC (NEXT) is intended to investigate the neutrinoless double beta decay of 136Xe, which requires a severe suppression of potential backgrounds. An extensive screening and material selection process is…

At the dawn of a new space exploration age, aiming to send humans back to the Moon and for the first time to Mars, it is necessary to devise a solution to mitigate the impact that space radiation has on spacecraft and astronauts. Although…

Space Physics · Physics 2022-09-29 Paolo Desiati , Elena D'Onghia

Searches of new physics beyond the Standard Model (SM) performed at low energy frontiers are complementary to experiments carried out at high energy colliders. Among the methods for testing the SM and beyond at low energies are the…

Instrumentation and Detectors · Physics 2018-10-08 D. Rozpedzik , K. Bodek , K. Lojek , M. Perkowski , L. De Keukeleere , L. Hayen , N. Severijns , A. Kozela

Radiative cooling emerged as a possible sustainable solution to the energy hungry vapor compression-based cooling. However, realizing subfreezing temperatures through radiative cooling remains challenging in environments with high humidity…

Optics · Physics 2022-08-10 Mohamed ElKabbash

Electromagnetic invisibility cloak requires material with anisotropic distribution of the constitutive parameters deduced from a geometrical transformation as first proposed by Pendry et al. [Science 312, 1780 (2006)]. In this paper, we…

Optics · Physics 2009-11-13 Ying Huang , Yijun Feng , Tian Jian

The first successful attempts to optimize the electric field in Resistive Microstrip Gas Chamber and resistive microdot detectors using additional field shaping strips located inside the detector substrate are described

Instrumentation and Detectors · Physics 2015-06-22 V. Cairo , R. De Oliveira , P. Fonte , S. Franchino , V. Peskov , P. Picchi , F. Pietropaolo

Relying on atomic scattering factors from evaluated databases, a new model for the reflectivity of x rays on solid surfaces has been developed for FLUKA v4-6.0. This model accounts for the variation of reflectivity as a function of the…

Blocking is often used to reduce known variability in designed experiments by collecting together homogeneous experimental units. A common modelling assumption for such experiments is that responses from units within a block are dependent.…

Methodology · Statistics 2018-11-07 W. G. Mueller , A. Rappold , D. C. Woods

The ability to absorb light is indispensable for high efficient solar power generation. This places conflicting requirements on the structure of a solar cell: On one hand, it needs to have thick active layers to absorb more of the available…

Optics · Physics 2019-10-23 Ido Frenkel , Shilpi Shital , Avi Niv

In this letter, the use of intelligent reflecting surface (IRS) to enhance the physical layer security of downlink wireless communication is investigated. Assuming a single-antenna legitimate user and a multi-antenna eavesdropper, we…

Signal Processing · Electrical Eng. & Systems 2020-12-07 Keming Feng , Xiao Li , Yu Han , Shi Jin , Yijian Chen

The axion is a hypothetical particle which is a candidate for cold dark matter. Haloscope experiments directly search for these particles in strong magnetic fields with RF cavities as detectors. The Relic Axion Detector Exploratory Setup…

Multidisciplinary Design Optimization (MDO) makes it possible to reach a better solution than by optimizing each discipline independently. In particular, the optimal structure of a drone won't be the same depending on the material used. The…

Optimization and Control · Mathematics 2022-08-30 Edouard Duriez , Victor Manuel Guadano Martin , Joseph Morlier

The tightest cosmological constraints currently available are obtained by combining complementary data sets. When combining correlated data sets, various astrophysical biases that affect the measurements must be identified and treated.…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-15 Yuuki Omori

Response surface designs are usually described as being run under complete randomization of the treatment combinations to the experimental units. In practice, however, it is often necessary or beneficial to run them under some kind of…

Methodology · Statistics 2024-10-25 Luzia A. Trinca , Steven G. Gilmour

We developed a low-mass and high-efficiency charged particle detector for an experimental study of the rare decay $K_L \rightarrow \pi^0 \nu \bar{\nu}$. The detector is important to suppress the background with charged particles to the…

Instrumentation and Detectors · Physics 2016-02-03 D. Naito , Y. Maeda , N. Kawasaki , T. Masuda , H. Nanjo , T. Nomura , M. Sasaki , N. Sasao , S. Seki , K. Shiomi , Y. Tajima

We devise an optimised bi-component multi-layered dielectric stack design to enhance the local irradiance for efficient photovoltaic upconversion materials. The field intensity profile throughout the photonic structure is numerically…

Optics · Physics 2017-11-22 Fabian Spallek , Andreas Buchleitner , Thomas Wellens

Current state of the experimental physics of the surface discharge has been examined in the literature review. The existing works were classified by the mediums, where the surface discharge is explored, by the types of experimental setups…

Plasma Physics · Physics 2015-03-17 Vladimir Bloshchitsyn

Silicon radiation detectors are an integral component of current and planned collider experiments in high energy physics. Simulations of these detectors are essential for deciding operational configurations, for performing precise data…

Instrumentation and Detectors · Physics 2023-01-02 B. Nachman , T. Peltola , P. Asenov , M. Bomben , R. Lipton , F. Moscatelli , E. A. Narayanan , F. R. Palomo , D. Passeri , S. Seidel , X. Shi , J. Sonneveld

This paper describes the optimization of a variable energy degrader design for the Midwest Proton Radiotherapy Institute (MPRI) [1]. To optimize the energy degrader design we investigate the choice of an optimal material for the degrader,…

Accelerator Physics · Physics 2009-11-07 V. Anferov