The Garching MP tandem-post accelerator-achromator accelerator facility was extended in such way that by it a very backgroundless accelerator mass spectroscopy with fully stripped medium heavy ions was possible. As first applications microscopical amounts...
National Technical Information Service (NTIS)
Several applications of accelerator-based mass spectroscopy are reviewed. Among these are the search for unknown species, determination of comogenic radioisotopes in natural materials and measurements of half-lifes, especially those of significance to dating. Accelerator parameters and techniques of importance for ...
Energy Citations Database
A brief review of the current status and some recent applications of accelerator mass spectrometry (AMS) are presented. Some connections to resonance ionization mass spectroscopy (RIS) as the alternate atom counting method are discussed.
A system for determining the ratio of mass to charge of an ion including a pulsed ionizer, a high pressure co-linear ion guide/accelerator, and a mass analyzer. The pulsed ionizer generates intact analyte ions from a sample of matter to be analyzed. The h...
Two of the early expectations of Accelerator Mass Spectroscopy were extension to greater sup 14 C ages than possible with beta counting, and applications using tiny amount of carbon. We examine each in the light of our experiences. Although sup 14 N ions ...
... Descriptors : (*MASS SPECTROSCOPY, SOLIDS), (*ION SOURCES, MASS SPECTROSCOPY), (*LASERS, MASS SPECTROSCOPY), BORON ...
DTIC Science & Technology
... Descriptors : , (*ELECTRIC FILTERS, MASS SPECTROSCOPY), (*MASS SPECTROSCOPY, SPECTRUM ANALYZERS), IONS, ELECTRIC FIELDS ...
... (Author). Descriptors : (*MASS SPECTROSCOPY, SPECTRUM ANALYZERS), (*SPECTRUM ANALYZERS, MASS SPECTROSCOPY), (*PARTICLE ...
... (Author). Descriptors : (*MASS SPECTROSCOPY, *LASERS), (*ABLATION, MASS SPECTROSCOPY), POLYMERS, REFRACTORY MATERIALS ...
... Descriptors : (*MASS SPECTROSCOPY, *SAMPLING), (*HIGH PRESSURE, MASS SPECTROSCOPY), NUCLEATION, AERODYNAMIC ...
Methods of plasma propulsion are discussed, and an exposition of a variation of the rail device (the coaxial accelerator) is presented. Parameters necessary for accelerating a metal-derived plasma with an aggregate mass of one milligram to a velocity of 10/sup 8/ cm/sec are established. In a discussion of plasma diagnostics, ...
... Descriptors : (*NITRAMINES, *MASS SPECTROSCOPY), (*RDX, MASS SPECTROSCOPY), (*HMX, MASS SPECTROSCOPY), IONS, CHEMICAL ...
A commercial accelerator for curing epoxy systems, Cordova ATC-3, was examined by combined gas chromatography/mass spectrometry (GC/MS) and gas chromatography/Fourier transform infrared spectroscopy (GC/FT-IR). Over 20 different chemical compounds were se...
The article summarizes the history of resonance ionization spectroscopy (RIS) and its growing potential as a tool in physics and analytical chemistry. The use of RIS is classified in these respects: (1) basic ways of counting atoms; (2) use determined by the type of particle detector; (3) classification of RIS applications according to source preparation; (4) uses in physics ...
The Center for Accelerator Mass Spectroscopy (AMS) began making AMS measurements in 1989. Biomedical experiments were originally limited by sample preparation techniques, but we expect the number of biomedical samples to increase five-fold. While many of ...
Heavy ion reaction studies (M approximately 20) at the Harwell Tandem accelerator utilise a Buechner magnet and position sensitive counters for spectroscopy. The feasibility of using this system for studies of unslowed fission products has been investigat...
A commercial accelerator for curing epoxy systems, Cordova ATC-3, was examined by combined gas chromatography/mass spectrometry (GC/MS) and gas chromatography/Fourier transform infrared spectroscopy (GC/FT-IR). Over 20 different chemical compounds were separated, detected, and identified. The complementary results of GC/MS and GC/FT-IR ...
... Descriptors : (*AMINES, *MASS SPECTROSCOPY), (*HYDRAZINE DERIVATIVES, MASS SPECTROSCOPY), HYDRAZONES, MASS SPECTRA ...
The applicability of radiometric and non-radiometric methods for ultratrace analysis of radioisotopes in the environment is discussed. Alpha-, {beta}- and {gamma}-ray counting as well as mass spectrometry, inductively coupled mass spectrometry, and accelerator mass spectrometry are used for low-level measurements ...
... Descriptors : *GAS IONIZATION, MASS SPECTROSCOPY, MEASUREMENT, ULTRAVIOLET SPECTROPHOTOMETERS. ...
... Descriptors : *IONOSPHERE, *IONS, *MOLECULAR SPECTROSCOPY, DETECTION, IONIZATION, MASS NUMBER, MASS SPECTROSCOPY ...
... Descriptors : (*ANALYSIS OF VARIANCE, MASS SPECTROSCOPY), (*MASS SPECTROSCOPY, ANALYSIS OF VARIANCE), DETERMINATION ...
... Accession Number : AD0133915. Title : MASS SPECTROSCOPY RESEARCH. Corporate Author : CALIFORNIA UNIV BERKELEY. ...
... MAGNETIC RESONANCE (NMR) SPECTROSCOPY, INFRARED SPECTROSCOPY AND GAS CHROMATOGRAPHY/MASS SPECTROSCOPY. ...
... RESEARCH), ATOMIC SPECTROSCOPY, INFRARED SPECTROSCOPY, CYCLOBUTANES, MASS SPECTROSCOPY, SPECTRUM ANALYZERS ...
... BEAMS, BREMSSTRAHLUNG, GAMMA RAY SPECTROSCOPY, PARTICLE ACCELERATOR COMPONENTS, LINEAR ACCELERATORS. ...
The conference proceedings contain 108 papers. The following topics are dealt with: accelerator mass spectroscopy, rare decays, underground laboratories, low level counting and spectroscopy, double beta-decay experiments, low level detectors, cosmogenic r...
Major trends of the physics program related to the study of hadron structure and hadron spectroscopy at the new high current, high duty cycle electron machines are discussed. It is concluded that planned experiments at these machines may have important impact on our understanding of the strong interaction by studying the internal structure and spectroscopy ...
... Descriptors : (*GRAPHITE, *MASS SPECTROSCOPY), (*VAPORIZATION, GRAPHITE), (*PYROLYTIC GRAPHITE, MASS SPECTROSCOPY ...
Two masses are moving along a grid with varying accelerations. Learners are to answer questions regarding acceleration and the two masses.
NSDL National Science Digital Library
... Descriptors : *ACCELERATION, *ASTRONAUTS, FEET, LEGS, POSTURE( PHYSIOLOGY), WEIGHTLESSNESS, MASS, BODY WEIGHT. ...
Learn how force, or weight, is the product of an object's mass and the acceleration due to gravity.
NASA Website
High energy ion implantation is an important process for controlling deep junction conductivity of SiC semiconductor devices. An radio frequency quadraupole (RFQ) accelerator can accelerate high current ions, but the conventional RFQ accelerator is unable to accelerate various ions with different energies. In order ...
NASA Astrophysics Data System (ADS)
