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This work presents an experimental design for studying low-velocity collisions into granular surfaces in low-gravity. In the experiment apparatus, reduced-gravity is simulated by releasing a free-falling projectile into a surface container…

The National Institute of Standards and Technology has recently begun a program to develop a primary pressure standard that is based on ultra-cold atoms, covering a pressure range of 1 x 10-6 to 1 x 10-10 Pa and possibly lower. These…

Improved measurement techniques are central to technological development and foundational scientific exploration. Quantum optics relies upon detectors sensitive to non-classical features of light, enabling precise tests of physical laws and…

量子物理 · 物理学 2014-07-18 Merlin Cooper , Michal Karpinski , Brian J. Smith

An electron accelerator in the 100 MeV range, similar to the one used at BNL's Accelerator test Facility, for example, would have some advantages as a calibration tool for water cerenkov or Liquid Argon neutrino detectors. We describe a…

仪器与探测器 · 物理学 2010-04-20 Sebastian White , Vitaly Yakimenko

Liquid lead-lithium (Pb-16Li) is of primary interest as one of the candidate materials for tritium breeder, neutron multiplier and coolant fluid in liquid metal blanket concepts relevant to fusion power plants. For an effective and reliable…

Printed sensors represent a transformative advancement in sensor technology, utilizing innovative printing techniques to create flexible, cost-effective, and highly customizable sensing devices. Their versatility allows integration into…

Calibration is a key step in the signal processing pipeline of any radio astronomical instrument. The required sky, ionospheric and instrumental models for this step can suffer from various kinds of incompleteness. In this paper we analyze…

天体物理仪器与方法 · 物理学 2019-02-08 A. Mouri Sardarabadi , L. V. E. Koopmans

In recent years certain experimental results from small collision systems (e.g. p-p, d-Au, p-Pb) at the RHIC and LHC have been reinterpreted as evidence for formation therein of a dense flowing medium (QGP) despite small collision volumes.…

高能物理 - 唯象学 · 物理学 2024-10-01 Thomas A. Trainor

Nowadays, sensors play a major role in several contexts like science, industry and daily life which benefit of their use. However, the retrieved information must be reliable. Anomalies in the behavior of sensors can give rise to critical…

Radon is one of the most important sources of background in rare event search experiments, such as those searching for Dark Matter and neutrinos, due to its unavoidable production from natural uranium. In low-background experiments, radon…

仪器与探测器 · 物理学 2026-04-29 P. Adhikari , M. G. Boulay , R. Crampton , D. Gallacher , M. Perry

Detection of low-energy nuclear recoil events plays a central role in searches for particle dark matter interactions with atomic matter and studies of coherent neutrino scatters. Precise nuclear recoil calibration data allow the responses…

仪器与探测器 · 物理学 2023-11-07 Jingke Xu , P. S. Barbeau , Ziqing Hong

New probes of neutrino mixing are needed to advance precision studies. One promising direction is via the detection of low-energy atmospheric neutrinos (below a few hundred MeV), to which a variety of near-term experiments will have…

高能物理 - 唯象学 · 物理学 2023-09-04 Anna M. Suliga , John F. Beacom

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…

仪器与探测器 · 物理学 2014-07-11 Sergey Polosatkin , Evgeny Grishnyaev , Alexander Dolgov

Precision measurements of the beam pattern response are needed to predict the response of a radio telescope. Mapping the beam of a low frequency radio array presents a unique challenge and science cases such as the observation of the 21\,cm…

Demand to use gadolinium (Gd) in detectors is increasing in the field of elementary particle physics, especially neutrino measurements and dark matter searches. Large amounts of Gd are used in these experiments. Therefore, to access the…

仪器与探测器 · 物理学 2021-10-28 S. Ito , T. Okada , Y. Takaku , M. Harada , M. Ikdeda , Y. Kishimoto , Y. Koshio , M. Nakahata , Y. Nakajima , H. Sekiya

We present measurements of thermalized collisional rate coefficients for ultra-cold $^7$Li and $^{87}$Rb colliding with room-temperature He, Ne, N$_2$, Ar, Kr, and Xe. In our experiments, a combined flowmeter and dynamic expansion system, a…

This paper describes the results of a study on the general lines, main construction criteria, crucial points, parameters and required preliminary R&D activities for the construction of a LAr (liquid argon) imaging detector with active mass…

天体物理学 · 物理学 2007-05-23 D. B. Cline , F. Sergiampietri

Heavy quarks (charm and bottom) are a sensitive probe of the Quark-Gluon Plasma (QGP) created in high-energy nuclear collisions. The modification of their phase-space in the QGP reflects the physical property of the QGP because they are…

核实验 · 物理学 2019-08-13 Kazuya Nagashima

Corrosion, a naturally occurring process leading to the deterioration of metallic materials, demands diligent detection for quality control and the preservation of metal-based objects, especially within industrial contexts. Traditional…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Rui Pimentel de Figueiredo , Stefan Nordborg Eriksen , Ignacio Rodriguez , Simon Bøgh