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The Canadian Penning Trap mass spectrometer (CPT) has conducted precision mass measurements of neutron-rich nuclides from the CAlifornium Rare Isotope Breeder Upgrade (CARIBU) of the Argonne Tandem Linac Accelerator System (ATLAS) facility…

Instrumentation and Detectors · Physics 2025-04-29 D. Ray , A. A. Valverde , M. Brodeur , F. Buchinger , J. A. Clark , B. Liu , G. E. Morgan , R. Orford , W. S. Porter , G. Savard , K. S. Sharma , X. L. Yan

The Cherenkov Telescope Array (CTA), the new generation very high-energy gamma-ray observatory, will improve the flux sensitivity of the current Cherenkov telescopes by an order of magnitude over a continuous range from about 10 GeV to…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Valentina Fioretti , Andrea Bulgarelli , Andrea Zoli , Sera Markoff , Marc Ribo , Susumu Inoue , Paola Grandi , Giovanni De Cesare

Strontium titanate (STO) possesses promising properties for applications in thermoelectricity, catalysis, fuel cells, and more, but its performance is highly dependent on stoichiometry and impurity levels. While atom probe tomography (APT)…

Materials Science · Physics 2025-01-22 J. E. Rybak , J. Arlt , B. Gault , C. A. Volkert

We measure the AC-Stark shifts of the 5S{1/2}, F=2 to 5P{3/2}, F'=3 transitions of individual optically trapped 87Rb atoms using a non-destructive detection technique that allows us to measure the fluorescent signal of one-and-the-same atom…

Atomic Physics · Physics 2015-06-15 Chung-Yu Shih , Michael S. Chapman

A new high-granular compact time-of-flight neutron detector for the identification and energy measurement of neutrons produced in nucleus-nucleus interactions at the BM@N experiment, Dubna, Russia, at energies up to 4 AGeV is under…

Instrumentation and Detectors · Physics 2024-08-19 N. Karpushkin , D. Finogeev , F. Guber , D. Lyapin , A. Makhnev , S. Morozov , D. Serebryakov

The ALMA observatory is now putting more focus on high-frequency observations (frequencies from 275-950 GHz). However, high-frequency observations often suffer from rapid variations in atmospheric opacity that directly affect the system…

Instrumentation and Methods for Astrophysics · Physics 2022-12-28 Hao He , William R. F. Dent , Christine Wilson

A scintillation proportional counter with wavelength shifting fiber readout filled with Xe or Kr under a pressure of up to 20 atm is proposed for the low-background experiments on search for dark matter of the Universe and 2K-decay of 78…

Instrumentation and Detectors · Physics 2008-02-03 D. Yu. Akimov , A. A. Burenkov , V. F. Kuzichev , V. L. Morgunov , V. N. Solovov

Measurements of the isotopic composition of single-charged cosmic rays provide important insights in the propagation processes. However, the isotopic identification is challenging due to the one hundred times greater abundance of protons…

High Energy Astrophysical Phenomena · Physics 2022-04-13 E. F. Bueno , F. Barão , M. Vecchi

A cross-dispersed spectrophotometer with CCD detector and its automated 0.5-m telescope at the Fairborn Observatory, now under construction, should begin observations in 6 to 9 months. The Citadel ASTRA Telescope will be able to observe…

Astrophysics · Physics 2009-11-10 S. J. Adelman , A. F. Gulliver , B. Smalley , J. S. Pazder , P. F. Younger , L. Boyd , D. Epand

Atom probe tomography (APT) is a 3D analysis technique that offers unique chemical accuracy and sensitivity with sub-nanometer spatial resolution. Recently, there is an increasing interest in the application of APT to complex oxides…

Chemical clocks offer a powerful tool for estimating stellar ages from spectroscopic surveys. We present a new detailed spectroscopic analysis of 68 Kepler red giant stars to provide a suite of high-precision abundances along with…

The new EU Council Directive 2013/51/Euratom of 22 October 2013 introduced limits for the content of 222Rn in drinking water. Radon analysis in water requires a lengthy task of collection, storage, transport and subsequent measurement in a…

Instrumentation and Detectors · Physics 2024-02-09 Santiago Celaya , Ismael Fuente , Luis Quindos , Carlos Sainz

On-Site Inspection (OSI) is a key component of the verification regime for the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Measurements of radionuclide isotopes created by an underground nuclear explosion are a valuable signature of a…

Magneto-optical traps are central to atomic and molecular quantum technologies and precision tests of fundamental physics, where both sensitivity and bandwidth scale strongly with atom number and loading rate. We demonstrate that employing…

The TRACER instrument Transition Radiation Array for Cosmic Energetic Radiation is designed to measure the individual energy spectra of cosmic-ray nuclei in long-duration balloon flights The large geometric factor of TRACER 5 m 2 sr permits…

Astrophysics · Physics 2015-06-24 P. J. Boyle , M. Ave , F. Gahbauer , C. Hoeppner , J. Hoerandel , M. Ichimura , D. Mueller , A. Romero-Wolf

It is shown that 21 cm intensity mapping could be used in the near term to make cosmologically useful measurements. Large scale structure could be detected using existing radio telescopes, or using prototypes for dedicated redshift survey…

Cosmology and Nongalactic Astrophysics · Physics 2010-10-13 Kiyoshi Wesley Masui , Patrick McDonald , Ue-Li Pen

Imaging Atmospheric Cherenkov Telescopes (IACTs) are very-large telescopes designed to detect the nanosecond-timescale flashes produced within extended air showers. Because IACTs are sensitive to the Cherenkov light (UV/blue) and use…

Instrumentation and Methods for Astrophysics · Physics 2019-08-12 T. Hassan , M. K. Daniel

Branching fractions were measured for electric dipole transitions from the 5p upper levels to the 5s levels in neutral krypton atoms. The measurements were made with a wall-stabilized electric arc and a 2m monochromator for the spectral…

Atomic Physics · Physics 2009-11-06 Krzysztof Dzierzega , Udo Volz , Gillian Nave , Ulf Griesmann

A measurement of the dipole anisotropy in galactic coordinates for different charged cosmic rays has been performed with the Alpha Magnetic Spectrometer (AMS) onboard the International Space Station (ISS). Results are presented for the…

High Energy Astrophysical Phenomena · Physics 2019-10-16 M. Molero , J. Casaus , C. Mana , M. A. Velasco , I. Gebauer , M. Graziani , M. Gervasi , G. La Vacca , P. G. Rancoita

The summation amplitude of coincident pulses (SACP) method which is optimal solution to reduce compton scatter phenomenon and pairs phenomenon in the gamma spectra of nuclei decay gamma cascades was used. In the 1982, in comparision with…

Instrumentation and Detectors · Physics 2013-07-12 Pham Dinh Khang , Vuong Huu Tan , Nguyen Xuan Hai , Nguyen Duc Tuan , Ho Huu Thang , A. M. Sukhovoj , V. A. Khitrov