Neutrino flavor oscillation experiments have demonstrated that the three Standard Model neutrino flavor eigenstates are mixed with three mass eigenstates whose mass eigenvalues are nondegenerate. The oscillation experiments measure the differences between the squares of the mass eigenvalues but tell us nothing ...

The paper reviews the recent work on the absolute measurement of gravitational acceleration g, covering the last decade since PMFC-I in 1970. The single principle involved in the precise absolute measurement of g to better than 1 part in 10 to the 8th pow...

... Title : Characteristic Functional of a Probability Measure Absolutely Continuous with Respect to a Gaussian Radon Measure. ...

Absolute values of the column densities [?t]c of four gold foils were measured using micrometry combined with the 2D X-ray attenuation profile. The absolute calibration of [?t]c was made with a reference foil and the [?t]c of other foils were determined following the thickness transfer method. By this method, we obtain ...

A gravimetric hygrometer is described that serves as the NBS standard instrument for the measurement of the moisture content of gases on an absolute basis in terms of mixing ratio (mass water vapor/unit mass of dry gas). Other laboratory reference and wor...

The isotope dilution mass spectrometry with (sup 233)U as a single internal standard has been developed. It can be used to determine the abundant ratio precisely in the uranium sample. It is an absolute measurement method based on gravimetry. The (sup 233...

Absolute fission yield data are presented for exp 237 Np irradiated in EBR-II. The measurement technique was isotope dilution mass spectrometry. This is believed to be the first published set of comprehensive exp 237 Np yield data based on mass spectromet...

... Title : Absolute Gravity Measurements with Reversible Pendulums at Potsdam, 1968-1969 (Absolute Schwaremessungen mit Reversionpendein in ...

A 41-cm double-focusing mass spectrometer has been used to measure atomic masses of /sup 167/Er, /sup 168/Er, /sup 179/Hf, /sup 180/Hf, /sup 189/Os, and /sup 190/Os. The measurements have yielded absolute atomic masses with errors less than 5 ..mu..u.

Over the past decade, experiments studying neutrinos from atmospheric, solar, and reactor sources have shown conclusively that neutrinos change flavor and, as a consequence, have a small but finite mass. Yet, the scale of neutrino masses remains an open question that is of great importance for many areas of physics. The absolute value ...

Over the past decade, experiments studying neutrinos from atmospheric, solar, and reactor sources have shown conclusively that neutrinos change flavor and, as a consequence, have a small but finite mass. Yet, the scale of neutrino masses remains an open question that is of great importance for many areas of physics. The absolute value ...

The MSTAR sensor (Modulation Sideband Technology for Absolute Ranging) is a new system for measuring

... Accession Number : AD0616613. Title : AN ABSOLUTE MEASUREMENT OF THERMAL NEUTRON ALBEDO FOR SEVERAL MATERIALS. ...

... CURRENT UNDERSTANDING OF THE ABSOLUTE MEASUREMENTS OF THE AMOUNT, FREQUENCY SPECTRA, AND WAVE FORMS OF THE ...

... for Absolute Measurements at the ... of a Lyman-alpha photometer on ... MAGNETOSPHERE, ULTRAVIOLET RADIATION), SCIENTIFIC SATELLITES ...

The project has demonstrated the feasibility of producing density standards made of Zerodur with an uncertainty smaller than 0.000002. The densities of cubes and spheres were determined in an absolute manner (volumes determined from length measurements) a...

A mass fragmentographic method for the determination of total cholesterol in serum using heptadeuterated [25,26,26,26,27,27,27-2H]cholesterol as internal standard is presented. The results obtained are compared with a colorimetric and gas chromatographic method which were previously proposed as reference methods. Criteria for the development of absolute ...

Absolute /sup 239/Pu thermal fission yields are given for the stable and long-lived isotopes of krypton, rubidium, strontium, zirconium, xenon, cesium, barium, cerium, neodymium, and samarium. The principal measurement technique for the fission product isotopes was isotope dilution mass spectrometry. The number of fissions was ...

The method covers the measurement of radioactive manganese in water in concentrations above 10/sup -3/ uCi/liter (37 disintegrations/s.liter). It is limited to the manganese radioisotopes of masses 54 and 56. The method may be used for absolute measurements by calibrating the nuclear radiation detector with a ...

... Title : EXTENSION OF ABSOLUTE FREQUENCY MEASUREMENTS TO 148 THZ: FREQUENCIES OF THE 20- AND 35- MICRONS XE LASER, IN ...

... Accession Number : AD0178854. Title : ABSOLUTE CAPACITANCE MICROCREEP AND DIMENSIONAL STABILITY MEASURING SYSTEM. ...

The charge properties of quark jets produced in e exp + e exp - -annihilation at 30 GeV center of mass energy have been investigated with the PLUTO detector. We find that the mean absolute value of the jet charge

Basic investigations of the Solid State Track Recorder (SSTR) method of absolute fission rate measurements have demonstrated that two types of sources are particularly advantageous. If mu denotes the thickness of the SSTR source in g/cm exp 2 units, then ...

Why and how to study light exotic nuclei is first presented. Then the search for new radioactivities is reviewed, and the method developed at Ganil to have absolute measurement of the nuclear mass with a convenient uncertainty. Other quantitative informat...

evaporative flux, m-2s-1 k. = Boltzmann's constant, 1.38 x 10-23 J/K m. = mass of vapor, kg ... representative measure of the species density. The ...

... Absolute Measurement of Sound Pressure in Liquids. ... of Plane, Finite Amplitude Waves in a ... Optical Method for Ultrasonic Velocity Measurements at ...

The Phase 1 project focused on the development of a multiwave interferometer to measure absolute distance. Its applications are in gauging and for measuring absolute position of machine tools, and coordinate measuring machines. This interferometer overcom...

A precision measurement of the masses of the psi and psi' resonances has been carried out in the VEPP-4 electron-positron storage ring. An absolute calibration of the average energy of the beam was carried out by the method of resonance polarization, which permitted improvement by more than a factor of ten of the accuracy in ...

This report presents the results of a measurement of the half-life of tritium by absolute counting. The method consisted in the mass-spectrometric analysis of a hydrogen-tritium mixture enriched in tritium, the dilution of some of this material with hydrogen in a known way to a countable level of activity, and the counting of a portion ...

The current experimental status of neutrino physics is reviewed. It contains the evidences for a non-vanishing neutrino rest mass from neutrino oscillation searches. In addition an outlook is given on determining the various mixing matrix elements and mass differences more precisely with new experiments. Of special interest is the value of the mixing angle ...

We discuss the relation between the absolute neutrino mass scale, the effective mass measured in neutrinoless double beta decay, and the Majorana CP phases. Emphasis is placed on estimating the upper bound on the nuclear matrix element entering calculations of the double beta decay half-life. Combining the claimed ...

... (Author). Descriptors : , (*MASS SPECTROSCOPY, SPARKS), SENSITIVITY, PHOTOGRAPHIC EMULSIONS, MASS SPECTRA, LINE SPECTRA ...

Enlarged parathyroid glands were percutaneously aspirated under computed tomographic (CT) control in 7 patients, and levels of parathyroid hormone (PTH) and human thyroglobulin (HTg) were measured. All 7 patients had high levels of PtH in at least 1 specimen. It is concluded that the measurement of high concentrations of PTH in the aspirate from a cervical ...

At small differences in isotopic composition of two samples a very high reproducibility of the working conditions of the mass spectrometer is absolutely necessary. This can be achieved by alternating introduction of the samples being compared. The possibility of isotope fractionation in the gas inlet system and the infiuence of the memory ...

Thin sources of radioactive /sup 169/Yb were prepared as an absolute energy reference for beta -rays from tritium decay in the neutrino mass measurement. The isotope /sup 169/Yb was produced by bombarding erbium metal with alpha particles, and was separat...

Neutrinoless double beta decay data, together with information on the absolute neutrino masses obtained from the future KATRIN experiment and/or astrophysical measurements, provide a chance to find CP violation in the lepton sector with Majorana neutrinos. We derive and discuss necessary conditions which make discovery of such CP ...

The neutron capture cross section 209Bi(n, ?) 210mBi was measured by means of accelerator mass spectrometry (AMS). An absolute measuring procedure based on calibrated ion beam attenuators was applied to overcome the lack of standard samples. Experimental aspects of absolute AMS analyses are ...

Single or double ion chamber technique measures absolute radiation intensities in the extreme vacuum

Absolute frequency measurement and spectroscopy of gas laser transitions in far IR, analyzing Zeeman

... ABSOLUTE POSITION MEASUREMENT FOR AUTOMATED GUIDED VEHICLES USING THE GREEDY DEBRUIJN SEQUENCE by John E. Ortiz ...

... Title : Absolute Concentration Measurements of Free Radicals in Flames by Absorption Spectroscopy. Descriptive Note : Final rept. ...

... Title : Absolute Absorption Cross Section Measurements of Ozone and the Temperature Dependence at Four Reference Wavelengths Leading to ...

... Accession Number : AD0625664. Title : ABSOLUTE SPECTRAL DISTRIBUTION MEASUREMENTS OF XENON HIGH-PRESSURE DISCHARGES. ...

... Accession Number : AD0190479. Title : ABSOLUTE LENGTH MEASUREMENT AT HIGH PRESSURE. Corporate Author : ...

... AD0822914. Title : ABSOLUTE DOSE MEASUREMENTS ON A MEGACURIE CO-60 SOURCE BY MEANS OF CALORIMETRY. ...

... Accession Number : AD0771216. Title : A Simple Method for Measuring Absolute Diffuse Reflectance with a Laboratory Spectrophotometer. ...

The scattering of x-rays is the major source of background and hence is a limiting factor in the minimum detectable limits available with SRIXE measurements. The scattering can be utilized for normalizing the net peak areas to fluctuations in sample thickness or mass on a relative basis or on a comparative basis. Even then measurement ...

The aim of the KArlsruhe TRItium Neutrino experiment KATRIN is the direct and model independent determination of the absolute neutrino mass scale down to 0.2 eV. For this purpose, the integral electron energy spectrum will be measured close to the endpoint of molecular tritium beta decay. The electrostatic retardation method with ...

The aim of the KArlsruhe TRItium Neutrino experiment KATRIN is the direct and model independent determination of the absolute neutrino mass scale down to 0.2 eV. For this purpose, the integral electron energy spectrum will be measured close to the endpoint of molecular tritium beta decay. The electrostatic retardation method with ...

The method covers the measurement of radioactive barium contained in water in concentrations above 10/sup -7/ Ci/liter. It is limited, by length of time of analysis, to barium radioisotopes of masses 139 and 140 which have half-lives longer than 1 h and are fission products. Modifications in the analytical method are included for ...

Measurements of the mass and surface charge of microparticles are employed in the characterization of many types of colloidal dispersions. The suspended microchannel resonator (SMR) is capable of measuring individual particle masses with femtogram resolution. Here, we employ the high sensitivity of the SMR ...

Micromechanical cantilever arrays are used to measure time-resolved adsorption of tiny masses based on protein-ligand interactions. Here, streptavidin-biotin interactions are investigated in a physiological environment. A measurement method is introduced using higher flexural modes of a silicon cantilever in order to enhance the ...

The mass-yield distribution for the neutron-induced fission of /sup 238/U by degraded fission spectrum neutrons with an average energy of 1.52 MeV has been measured radiochemically for 26 mass chains in the region A = 89 to 153. Germanium-lithium gamma-ray spectroscopy coupled with beta-particle counting techniques was used to ...

The x-ray mass attenuation coefficients of zinc are measured in a high-accuracy experiment between 7.2 and 15.2 keV with an absolute accuracy of 0.044% and 0.197%. This is the most accurate determination of any attenuation coefficient on a bending-magnet beamline and reduces the absolute uncertainty by a factor of ...

The x-ray mass attenuation coefficients of zinc are measured in a high-accuracy experiment between 7.2 and 15.2 keV with an absolute accuracy of 0.044% and 0.197%. This is the most accurate determination of any attenuation coefficient on a bending-magnet beamline and reduces the absolute uncertainty by a factor of ...

One of the most fundamental tasks facing nuclear and particle physics today is the determination of the absolute mass scale of neutrinos. The Karlsruhe Tritium Neutrino experiment (KATRIN) is a next generation tritium ? decay experiment capable of performing a high precision direct measurement of the absolute ...

In an absolute gravity meter, a laser interferometer measures the position of a test mass that is falling ina vacuum. The calculated value of gravity is the average acceleration of the mass during a set ofdrops. Since systematic accelerations of the optical system will bias the measured value ...

Total-body calcium (TBCa) measurements have been employed in two basic types of studies. In the first type, serial measurements made on an individual patient are used to trace the time variation in body calcium. In the second type of study, the absolute t...

The relationships between differential and integral cross sections are considered together with their application to the calculation of reaction rates in reactor spectra. A brief review of the measurement of these quantities is given in order to show the importance of chemical analysis in all methods. Particular attention is devoted to the determination of integral ...

The masses of the isotopes of the heaviest elements have been calculated from known decay data in the region, extended by means of decay energies calculated from closed decay-energy cycles and estimated from the systematics of alpha and beta decay energies. The absolute values of the masses are based on the ...

The masses of the isotopes of the heaviest elements have been calculated from known decay data in the region, extended by means of decay energies calculated from closed decay-energy cycles and estimated from the systematics of alpha and beta decay energies. The absolute values of the masses are based on the ...

Design and parameters of the photoionization quantometer are given. It is a combination of photoionization chamber with time-of-flight mass spectrometer. The quantometer is an absolute detector of radiation in the wavelength interval (100--0.1 nm) due to the fact that photoionization and electron-impact ionization cross sections of gases are used for ...

We present the first absolute, two-dimensionally resolved measurements of areal mass density of laser-driven ablatively accelerated foils, which show the Rayleigh-Taylor instability developing from initial mass perturbations. Our data are near simulation results which predict that the Rayleigh-Taylor growth rate is ...

Gas isotope ratio mass spectrometers usually measure ion current ratios of molecules, not atoms. Often several isotopologues contribute to an ion current at a particular mass-to-charge ratio (m/z). Therefore, corrections have to be applied to derive the desired isotope ratios. These corrections are usually formulated in terms of ...

Absolute fast reactor fission yield data are presented for exp 240 Pu and exp 242 Pu irradiated in EBR-II. The measurement technique was isotope dilution mass spectrometry for over 40 mass numbers. (ERA citation 04:052318)

Evaporation residues from the fusion of /sup 32/S and /sup 112/Sn at E/sub /sup 32/S/ = 160 meV were studied using an energy-mass spectrometer. The velocity selector of the energy-mass spectrometer was first utilized to measure summed fusion products as a function of velocity setting and reaction angle. In-flight ...

This paper discusses simultaneous gravity and vertical gravity gradient measurements obtained with a newly designed recoil-compensated dropping chamber adapted to an FG5 absolute gravimeter. The new dropping chamber incorporates counterweights to compensate recoil effects. It has the same physical length as the standard FG5 dropping chamber but the ...

... Title : Absolute, Extreme Ultraviolet Solar Spectral Irradiance Monitor (AESSIM). ... film filters to make absolute measurements of EUV radiation over a ...

This test operations procedure (TOP) delineates general test and specific subtest procedure required to determine the technical performance of absolute altimeters. Absolute altimeters which are used to measure vertical separation between the aircraft and ...

Absolute yields have been determined for 107 gamma rays emitted in the decay of 97 fission products representing 54 mass chains created during thermal-neutron fission of 249Cf. These results include 14 mass chains for which no prior yield data exist. Using a Ge(Li) detector, spectra were obtained of gamma rays emanating from a 0.4 ?g ...

from the measurement and an absolute measurement of the test surface can be obtained. This paper is not exactly an absolute measurement, but as long as the test surface has even symmetry, the test can of spherical surfaces as described by Jensen2 requires three separate ...

We report a measurement of the cross section for production of isolated photons with transverse energy E{sub T} > 12 GeV in the central (absolute value of {eta} < 0.9) and forward (1.6 < absolute value of {eta} < 2.5) rapidity regions for {bar p}p collisions at center of mass energy {radical}s = 1.8 ...

AGTO is a scientific project between Taiwanese and French institutes, which aim is to improve tectonic knowledge of Taiwan primarily using absolute gravity measurements and permanent GPS stations. Both tools are indeed useful to study vertical movements and mass transfers involved in mountain building, a major process in Taiwan located ...

Normal Healthy Volunteers Will be Treated With Lofexidine to Understand the Absolute Bioavailbility and Mass Balance Recovery of the Product.