... the precision is 0.0005 alpha. Comparative measurements on the same ... INFRARED EQUIPMENT, *RADIATION ABSORPTION, CALORIMETERS ...
DTIC Science & Technology
... Accession Number : AD0164369. Title : Calorimeter for Objects of Low Solar Absorptivity. Descriptive Note : Patent,. Corporate ...
... Title : CALORIMETER TO MEASURE THE 106-MICRONS ABSORPTION OF METAL SUBSTRATE MIRRORS, IN: APPLIED OPTICS, VOL14, NO3 ...
... Accession Number : AD0769714. Title : A Highly Responsive, Ferroelectric- Sensed Calorimeter for Neutron Energy Deposition,. ...
A total-absorption calorimeter was studied from the point of the materials, the size, and the structure for calibration of the medium-energy electron beams in radiation processing. The calorimeter with graphite core with 40 mm in diameter and 12 mm in thickness is useful for 3 MeV class electrons. A surrounding ring for the ...
NASA Astrophysics Data System (ADS)
Neutron capture cross sections of minor actinides are measured at n lowbar TOF using the segmented Total Absorption Calorimeter (TAC), a 4{pi} detector made of 40 BaF{sub 2} crystals. As well as these measurements, the experimental data regarding the detection of the prompt {gamma}-ray cascades (crystal multiplicity and deposited energy) provide valuable ...
Energy Citations Database
Descriptions are given of a mercury gamma calorimeter and its performance is compared with a lead calorimeter. It is shown that the absorption properties of the mercury calorimeter are identical to the lead and the thermal properties are better. The heat exchange surface and general heat capacity of the ...
Material samples inside a reactor were heated by radiation absorption. An analysis of the mixed radiation fields showed that the heating is composed of three components, for which the thermal neutrons, fast neutrons, and gamma radiation are responsible. According to the kind of the chosen material sample, a definite radiation component can be ...
An improved method and system for a depleted uranium calorimeter detector was used in high energy physics experiments. In a depleted uranium calorimeter detector, the energy of a particle entering the calorimeter detector is determined and the output response of the calorimeter detector is ...
An improved method and system for a depleted uranium calorimeter detector used in high energy physics experiments. In a depleted uranium calorimeter detector, the energy of a particle entering the calorimeter detector is determined and the output response of the calorimeter detector is ...
DOEpatents
One of the main factors that limit the sensitivity of calorimeters is the noise in the calorimeter response. A previous study into the sources of noise in a Wheatstone bridge calorimeter used by Department of Energy (DOE) facilities has shown that the control system for maintaining the water bath at a constant ...
A hodoscopic calorimeter (total-absorption detector) is described, which makes it possible to measure simultaneously the energy and coordinates of hadrons in the GeV range with an accuracy of up to 1 cm. The calorimeter is a sandwich-type detector in whic...
National Technical Information Service (NTIS)
An important consideration in the design of a detector that is to be used at the Superconducting Super Collider (SSC) is the response of the calorimeter to electromagnetic and hadronic particles and the equality of those responses for different types of p...
A lumped-parameter analysis is presented of the thermal and electrical response of a calorimeter which employs an electroded piece of ferroelectric ceramic as the temperature sensing element. This analysis is applied to a prototype calorimeter constructed...
... or total absorption spectrometers, have enjoyed widespread use by cosmic ray physicists as energy-sensitive detectors for hadron events. ...
a differential scanning calorimeter, gas chromatography, gas chromatography/mass spectrograph, atomic absorption spectrophotometer, inductively coupled ...
NASA Website
As part of a collaborative experimental High Energy Physics experiment at the LHC Facility, CERN Laboratory, Geneva Switzerland, a group of US institutions has accepted the responsibility for constructing a large portion of the calorimeter for this experi...
An isothermal liquid helium boiloff calorimeter containing a 52-kg copper radiation absorber, and having a time constant
For an examination of the signals of the ZEUS calorimeter, an uranium-scintillator calorimeter has been built in cooperation with Toronto University in Canada. This calorimeter very largely corresponds to an HAC1 section of the ZEUS calorimeter. The measu...
The D0 calorimeter system, cylindrical central calorimeter and two end calorimeters, is constructed with minimal cracks and dead regions in order to provide essentially hermetic coverage over the full solid angle. The effect of the existing few construction features which could perturb the uniformity of the ...
We describe an ultra-high density scintillating fiber and tungsten calorimeter used as an active beam-dump for electrons. Data showing the calorimeter response to electrons with momenta between 50 and 350 GeV/c are presented. 9 figs.
DOE Information Bridge
The calculated responses including energy resolution, angular resolution, and spatial energy deposition of a segmented iron and liquid-argon calorimeter to incident pions in the energy range of 10- to 250-GeV are presented. Experimental data for this calo...
We have used a flexible geometry model of a calorimeter design for SDC to study the effect of passive material in front of the calorimeter and between the barrel and endcap modules on the apparent response to hadrons. The thicknesses of the passive materi...
The algorithm of hadron energy reconstruction from responses of electromagnetic and hadron calorimeters is described. The investigations have been carried out using the full-scale prototype of the hadron calorimeter cylindrical part modules. The supposed ...
Methods to perform the absolute energy calibration of DELPHI's Small Angle Tagger luminosity calorimeters at LEP are presented and compared. The input was small angle Bhabha scattering events. A significant non-linearity in the response of the calorimeter...
Calorimetric assay of plutonium and tritium is an important and well characterized measurement. The discussion of heat distribution error for radiometric calorimeters in relevant consensus standards is adequate for existing water bath calorimeters since they have a relatively flat response profile throughout the sample chamber. The ...
We report on the performance of the CDF End Plug Hadron Calorimeter in a test beam. The sampling calorimeter is constructed using 2 inch iron absorber plates and scintillator planes with wavelength shifting fibers for readout. The linearity and energy resolution of the calorimeter response to pions, and the ...
We present a study of the muon to electron response in the Tile calorimeter of the ATLAS detector. The result is based on the analysis of 241,000 cosmic muons events in which we compare the energy response from the calorimeter with the momentum difference between the muon spectrometer and the inner detector. The ...
Ionization calorimeters, or total absorption spectrometers, have enjoyed widespread use by cosmic ray physicists as energy-sensitive detectors for hadron events. We have successfully employed similar detectors of smaller scale in experiments on neutron to...
The initial design of a microwave calorimeter for the Microwave Tokamak Experiment is presented. The design is optimized to measure the refraction and absorption of millimeter rf microwaves as they traverse the toroidal plasma of the Alcator C tokamak. Te...
The D� Calorimeter system consists of three uranium/liquid-argon calorimeters and an inter-cryostat detector. The central calorimeter covers |?| up to ~ 1, and the two forward calorimeters extend the coverage up to |?| of ~ 4. In order to determine the particle jet energy from the measured detector jet energy, ...
. We report on the performance of the CDF End Plug Hadron Calorimeter in a test beam. The sampling calorimeter is constructed using 2 inch iron absorber plates and scintillator planes with wavelength shifting fibers for readout. The linearity and energy resolution of the calorimeter response to pions, and the ...
E-print Network
Measurements of the cosmic ray response of the CDF central calorimeters have been performed. For the electromagnetic calorimeter, fine grained response maps were obtained for 46 modules, and the similarity of the individual maps has been studied. For the hadron calorimeter, several basic ...
A spatial nonuniformity of the response to high-energy muons is studied in the modules of the LHCb electromagnetic calorimeter and the prototype of the calorimeter module with lead plates and scintillator tiles 0.5 mm thick. The nonuniformity of the response of the inner LHCb modules to 50-GeV electrons is also ...
This paper describes the development of an electrical analogue thermal-control model for the ANL-type fast-response calorimeter and its application to a new small sample, analytical-type fast-response calorimeter. This was done to obtain a better understanding of the sources of variations in experimentally-measured ...
The upgraded CDF II detector has collected first data during the initial operation of the Tevatron accelerator in Run II. The simulation of the CDF electromagnetic and hadronic central and upgraded plug (forward) calorimeter is based on the Gflash calorimeter parameterization package used within the GEANT based detector simulation of the Run II CDF ...
Most calorimeter systems used in particle physics experiments are longitudinally subdivided into several compartments. The intercalibration of these compartments is highly non-trivial, as a result of two effects: 1) The dependence of the calorimeter response on the type (and energy) of the showering particle, and 2) The depth dependent ...
A device for measuring energy absorptance of a sample material is disclosed. A temperature controlled enclosure, in which a sample is suspended, is placed in an evacuated container. Calibration is accomplished by means of a known power dissipation in the ...
Studies of requirements and specifications of crystals are necessary to develop a new generation of crystals for dual readout crystal hadron or total absorption calorimeter. This is a short and basic study of the characteristics and hadron energy measurement of PbWO4 and BGO crystals for scintillation and Cerenkov Dual Readout hadron ...
During summer 2004, a testbeam for the ATLAS experiment was performed at CERN. A full slice of the ATLAS detector was tested with the final version of the acquisition electronics. In the talk presented at Calor06 conference, the ATLAS calorimeters response to high and low energy pions was presented.
In the framework of calibrating and monitoring the energy response of a high resolution electromagnetic calorimeter the different role played by electrons and muons is discussed. A set of relations between the signal amplitudes measured in cosmic ray even...
The response of a uranium scintillator sampling calorimeter to incident electrons and to the uranium radioactivity was measured in transverse magnetic fields up to 1.4 Tesla. The signal from electrons rises by as much as 9% due to the expected increase in...
A highly sensitive calorimeter has been developed for measuring the absolute energy of single laser pulses. The calorimeter, which consists of a solid volume absorber, a copper absorption cavity, and bismuth telluride thermocouples, is operated at room temperature with no vacuum window. The absorption of the laser ...
... Specially designed calorimeters were instrumented and placed in a pool fire to measure the transient heat flux and to quantify the effects of various ...
The E864 experiment is a large acceptance forward spectrometer designed to search for exotic composite objects potentially produced in relativistic Au+Pb collisions at the Brookhaven AGS. In order to detect such particles a very sensitive mass spectrometer is required. To achieve the required level of sensitivity the E864 hadronic calorimeter must supply an independent ...
The performance of the D{phi} uranium liquid-argon calorimeter is discussed, as well as the electromagnetic energy calibration. Results from test beam studies and collider data are incorporated to estimate the energy scale. The {phi} symmetry of the events is used to improve the understanding of the electromagnetic part of the calorimeter, and the EM ...
The authors discuss briefly the case for a zero degree calorimeter at RHIC and space constraints on such a device. Two GEANT simulations of quartz fiber calorimeters are then studied and compared to the corresponding case of scintillator sampling. The authors find that the Q-cal calorimeter does provide some improvement in ...
The measurement of the response of the large-angle electromagnetic shower calorimeter (LAC) of the CLAS detector to minimum ionizing particles is reported. The experimental set-up and the adopted procedures are described. The results of the light attenuation length in the calorimeter, the light output and the resolution of the ...
The calculated response of a uranium--plastic calorimeter for incident 1-10 GeV protons is presented and compared to previously published data for a uranium--liquid argon calorimeter.
An important consideration in the design of a detector that is to be used at the Superconducting Super Collider (SSC) is the response of the calorimeter to electromagnetic and hadronic particles and the equality of those responses for different types of particles at equal incident energies, i.e. compensation. However, as the ...
In the high-energy domain systematic uncertainties become a substantial fraction of attainable energy resolution of a proportional tube electromagnetic calorimeter. Sources of nonuniformity and fluctuation of calorimeter response are discussed and test da...
The results of the SLD test beam program for the selection of a calorimeter radiator composition within a liquid argon system are described, with emphasis on the study of the use of uranium to obtain equalization of pion and electron responses.
The results of a study and tests of a liquid krypton/argon electromagnetic calorimeter with accordion electrode structure are briefly summarized. This includes the calorimeter response to electrons and muons, energy, pointing and timing resolution, and a ...
The results of a study and tests of a liquid krypton/argon electromagnetic calorimeter with accordion electrode structure are briefly summarized. This includes the calorimeter response to electrons and muons, energy, pointing and timing resolution, and a measurement by multiple sampling. The electrode layout with fine segmentation is ...
The objective of this work is to perform an uncertainty quantification (UQ) and model validation analysis of simulations of tests in the cross-wind test facility (XTF) at Sandia National Laboratories. In these tests, a calorimeter was subjected to a fire and the thermal response was measured via thermocouples. The UQ and validation analysis pertains to the ...
A new automatic apparatus has been specifically developed for investigating phase transformations in hydrogen absorbing intermetallic compounds, providing accurate characterizations of the thermodynamic properties as well as of the dynamic aspects of the hydride phase growth over a wide range of pressures 0-4 MPa and temperatures 250-800 K. It consists essentially of a heat flow ...
In order to realize a large format (e.g. ~32�32) calorimeter array, it is essential to multiplex calorimeter signals at cryogenic temperatures without losing signal to noise ratio. For this purpose we propose a brand-new readout method, the CABBAGE (Calorimeter B_ridge B_iased by an A_C ...
Calorimeters for measuring the output energy of pulsed ruby and neodymium glass lasers have been built and calibrated. The absorbing medium is an aqueous solution of CuSO/sub 4/. Calbration of laser energy detectors has an estimated uncertainty of plus or minus 2% for input energies of 0.1J to 100J. Comparisons of absorption cell ...
CDF Plug Upgrade(tile-fiber) EM Calorimeter performed resolution of 15%/{radical}E{circle_plus}0.7% with non-linearity less than 1% in a energy range of 5-180 GeV at Fermilab Test Beam. Transverse uniformity of inside-tower-response of the EM Calorimeter was 2.2% with 56 GeV positron, which was reduced to 1.0% with ...
The absorption of the core particles of extensive air showers (EAS) in the large 36 m2 lead ionization calorimeter (at the Tien-Shan mountain station) is analyzed in comparison with full Monte Carlo simulations. The EAS development in the atmosphere is simulated in the framework of CORSIKA+QGSJET code whereas the passage of hadrons and muons through the ...
Two specimens of a commercial version of the LLL model LC-13 laser calorimeter have been tested. A comparison of peak-reading and corrected-temperature-rise methods of treating the calorimeter response has also been performed. (ERA citation 02:046187)
A comprehensive R&D program has been developed on a magnetized scintillating fiber imaging calorimeter to be used for hadronic and electromagnetic energy measurements on neutrino events in a LBL /? beam. In this paper we report on the optimization of the optical readout, in particular on gain, linearity, time resolution and cathode uniformity measurements on several PMT ...
Measurements on drift velocities and collected charge were made in a small test dewar on liquid argon with admixtures of methane, ethane, ethylene and ammonia using alpha and beta particle sources. In addition a test in the Helios uranium-liquid argon calorimeter was made with a 0.35% addition of methane. The results in the Helios calorimeter showed a ...
In the first part of the thesis, the performance of the ALEPH electromagnetic calorimeter is discussed. The linearity of the response and the energy resolution are studied using data taken with a calorimeter module exposed to electron beams of 10, 25 and ...
Beam test results of the liquid krypton electromagnetic calorimeter with a projective accordion type electrode structure are presented. The electrode had a fine segmentation in the front to enhance pi(sup 0) rejection and pointing. The test was carried out at the H4 line at the CERN SPS with e(-) beams between 20 and 200 GeV. Preliminary results of energy resolution, ...
We present results on the performance of a uranium and liquid argon calorimeter in the NW test beam at Fermilab. We describe the calorimeter, and discuss its performance with electrons, pions and muons from 10 GeV to 150 GeV. The performance perameters measured include response, linearity, resolution, compensation, and e/..pi.. ...
A new double calorimeter designed in order to establish the continuous-wave laser power mesurement standard is described. The double calorimeter consists of a standard thermopile unit with fast response and an electronic cooling calorimeter whose thermal load is borne by the thermopile unit. The characteristics of ...
Seven heat conduction calorimeters have been evaluated in terms of sensitivity and thermal response time. The use of a dynamic method to correct for the thermal inertia of the calorimeter is shown to reduce by one order of magnitude the time required to conduct a stepwise titration experiment involving a fast reaction. The ability to ...
PubMed
As preparation for the ZEUS high resolution calorimeter, sampling calorimeters made from 3.2 mm plates of depleted uranium read out by plastic scintillator of 3 mm and 5 mm thickness have been built. The response of hadrons, electrons and muons has been m...
The response of an electromagnetic calorimeter using wavelength shifting fibers for the readout have been investigated. The calorimeter has been built as a sandwich of lead and scintillator plates. The fibers have been inserted into holes perpendicular to...
A series of tests has been made of the response of laser-beam calorimeters to changes in infrared and visible radiation backgrounds, to air currents, and to changes in jacket temperature. The results emphasize the importance of using entry tubes or windows and indicate that the calorimeters are for most purposes adequately stable with ...
The Liquid Argon (LAr) calorimeter provides electromagnetic and forward hadronic calorimetry for the ATLAS experiment at the LHC. Since the installation of the calorimeter in 2006, the electronic calibration and readout systems have been exercised with regular calibration and cosmic runs, and with three days of LHC single beam runs. These datasets have ...
Previous studies of the D[O] calorimeter with electron and hadron beams above 10 GeV/c have shown excellent linearity of response and e/[pi] ratio close to one. Here we report on our measurements of the response of the DO central calorimeter modules down to 2 GeV/c. The measured low energy ...
Previous studies of the D{O} calorimeter with electron and hadron beams above 10 GeV/c have shown excellent linearity of response and e/{pi} ratio close to one. Here we report on our measurements of the response of the DO central calorimeter modules down to 2 GeV/c. The measured low energy ...
The CALICE collaboration is studying the design of high performance electromagnetic and hadronic calorimeters for future International Linear Collider detectors. For the hadronic calorimeter, one option is a highly granular sampling calorimeter with steel as absorber and scintillator layers as active material. High granularity is ...
The modules of the ATLAS Tile hadronic calorimeter underwent extensive tests in the test beams at CERN. Studies were carried out with electrons, muons and hadrons ranging in energy from 10 GeV to 350 GeV. The Tilecal calibration systems and energy reconstruction algorithms were also studied in great details, the associated systematics has been evaluated. The updated ...
The response of the ZEUS sampling calorimeter has been studied over a period of 17 years using a moving 60Co source. The aim was to monitor the stability of the calorimeter with respect to radiation damage, ageing and mechanical damage. The measurements started in 1990 during the installation of the first ...
Various calibration curve models for solid-state calorimeters are compared to determine which model best fits the calibration data. The calibration data are discussed. The criteria used to select the best model are explained. A conclusion regarding the best model for the calibration curve is presented. These results can also be used to evaluate the random and systematic error ...
The proton Zero Degree Calorimeter (ZP) for the ALICE experiment will measure the energy of the spectator protons in heavy ion collisions at the CERN LHC. Since all the spectator protons have the same energy, the calorimeter's response is proportional to their number, providing a direct information on the centrality of the ...
It is shown that a calorimeter composed of a cylindrical-shape absorber of superconducting V metal, with 25 x 10 mm dimensions and weighing 15 g, is sensitive to thermal phonons that have been generated by the stopping and the absorption of a 5 MeV alpha-particle. A further improvement in energy resolution is expected via lowering of ...
The initial design of a microwave calorimeter for the Microwave Tokamak Experiment is presented. The design is optimized to measure the refraction and absorption of millimeter rf microwaves as they traverse the toroidal plasma of the Alcator C tokamak. Techniques utilized can be adapted for use in measuring high intensity pulsed output from a microwave ...
The response of the combined CMS barrel calorimeters to hadrons, electrons and muons over a range from 2 to 350 GeV/c has been measured. The analysis of the differences in calorimeter response to charged pions, kaons, protons and antiprotons and a discussion of the underlying phenomena are presented. Techniques to ...
... CALORIMETER RESPONSE. (AND) PRESSURE REGULATORS. Corporate Author : CARNEGIE INST OF TECH PITTSBURGH PA. ...
The invention relates to a method and apparatus useful for determining the heat capacity and heat conductivity of small samples of solids and liquids. In particular, the invention relates to a microcalorimeter having an improved sensitivity and response s...
The maximum temperatures of thermocouples, temperature-sensitive paints, and calorimeters exposed to flames in wildland fires are often called 'fire temperatures' but are determined as ... ...
NBII National Biological Information Infrastructure
Track Pattern Recognition and Fitting (Kalman Filter). Refined Calorimeter. Response ... Pattern Recognition. First Pass. Best Track. Flag Hits. Second Pass ...
At the heart of the DO detector, which recently started its maiden data run at the Fermilab Tevatron p[bar p] collider, is a finely segmented hermetic large angle liquid argon calorimeter. We present here results from the latest test beam studies of the calorimeter in 1991. Modules from the central calorimeter, end ...
At the heart of the D0 detector, which recently started its maiden data run at the Fermilab Tevatron p[bar p] collider, is a finely segmented hermetic large angle liquid argon calorimeter. We present here results from the latest test beam studies of the calorimeter in 1991. Modules from the central calorimeter, end ...
At the heart of the D0 detector, which recently started its maiden data run at the Fermilab Tevatron p{bar p} collider, is a finely segmented hermetic large angle liquid argon calorimeter. We present here results from the latest test beam studies of the calorimeter in 1991. Modules from the central calorimeter, end ...
A new combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the barrel calorimeter of the future ATLAS experiment at the LHC. The energy resolution of pions in the energy range from 10 to 300 GeV at an ...
A technique for the linearization of calorimeter cell (CC) thermal feedback in differential calorimeters was investigated. The technique was shown to ensure the linearity of the tract of rapid compensation measurements of thermokinetics ( W in( t)) in a dynamic range of heat-fluxes limited in principle only by the linearity of the CCs themselves, while ...
The principles of design of a vaporization calorimeter capable of measuring steady-state powers as low as a few milliwatts are discussed in detail. An ideal application of the calorimeter is the nondestructive assay of radioisotopic samples which emit easily absorbed radiations (..cap alpha.., ..beta..). Operation of the calorimeter is ...
The use of moving radioactive gamma sources to assess, calibrate and monitor scintillating tile calorimeters is discussed, and the techniques and equipment are described. The capabilities of the technique are illustrated using Cs{sup 137} sources with the CDF Endplug Upgrade EM and Hadron calorimeters at testbeams and at a cosmic ray test stand. Source ...
The time-integrated flux of a pulsed high-current electron beam was measured using a total-absorption graphite calorimeter array, edge supported and of approximately 20 x 20 elements. Spatial distribution of the electron flux in the plane of the nominally 150 mm x 150 mm array was determined from the heating of the individual ...
The SLD detector at the Stanford Linear Accelerator Center is a general purpose device for studying e{sup +}{epsilon}{sup {minus}} interaction at the Z{sup 0}. The SLD calorimeter system consists of two parts: a lead Liquid Argon Calorimeter (LAC) with both electromagnetic (22 radiation lengths) and hadronic sections (2.8 absorption ...
A complete derivation is given for radiant heat transfer between two parallel plates, for the case that the plate separations are not negligible, and emissivities, and absorptivities are a function of temperature. It is assumed that two plates radiating t...
Annual doses in the SDC End Cap Calorimeter, and possible design decisions in the use of radiation resistant scintillators are discussed. Some candidates for base radiation tolerant scintillators and wave length shifters are discussed. Absorption and emission spectra of one of them are represented.
The absorbed energy determined by the ion calorimeters was used as a basis for computations of the target behavior. Both neutron yield and x-ray spectra thus obtained were in agreement with the measured values within the precision of both calculations and experiments. Some results are described. (MOW)
... materials carried on pods. Also a K-edge detector. ... SJI-151, 152). Thin foil calorimeter for total x ray yield was rocket-borneafrom ... Noise Absorption. ...
The advantages and disadvantages of calorimeters for use at ISABELLE are discussed including hadron calorimeters, liquid argon calorimeters, uranium scintillator calorimeters, electromagnetic shower detectors, and iron plate calorimeters. A calorimeter is...
Fermi National Accelerator Lab (Fermilab) is the site of the world's highest energy particle accelerator. The D-Zero experiment is one of two at Fermilab studying proton -antiproton collisions at center of mass energies of 1.8 TeV. An analysis of the response of the D-Zero central calorimeter to single electrons and pions has been performed under a variety ...
The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been connected to the ATLAS readout system in preparation for LHC collisions. This paper gives an overview of the liquid argon ...
The Laboratory for Laser Energetics (LLE) at the University of Rochester uses a set of plasma calorimeters to study the plasma energy of laser-irradiated targets. Seventeen of these plasma calorimeters are mounted around the implosion site on the OMEGA target chamber. Each calorimeter consists of two 25 ?m thick tantalum foils and a ...
Jun 10, 2011 ... Characteristics of Pharmacological Responses (absorption, distribution and elimination of acetominophene) in Long Duration Space Flight ...
... Title : DOSE RESPONSE OF SKIN ABSORPTION IN YOUNG AND ADULT RATS. Descriptive Note : CONFERENCE PAPER. ...
Hadronic shower development in a copper-based fiber calorimeter is studied by simultaneously measuring the scintillation light and the ?erenkov light generated in this process. By comparing these two signals, the electromagnetic shower fraction can be measured event by event. Fluctuations in this fraction are the dominant contribution to the hadronic energy resolution. They ...
The Collider Detector at Fermilab is upgrading its end plug calorimeter from a gas detector system to one using scintillating tiles and wavelength shifting fibers. This tile-fiber calorimeter will be read out through 1,824 photomultiplier tubes. The performance requirements of the calorimeter require that the PMTs have good ...
Imaging Calorimeter for ACCESS (ICA) is a candidate of the calorimeter for the NASA's ACCESS program
NASA Technical Reports Server (NTRS)
... Title : DEVELOPMENT OF AN ADIABATIC CALORIMETER,. ... The construction and operating procedure for the calorimeter are described in detail. ...
... Title : CALORIMETER OPTIMIZATION PROGRAM. ... With these modifications, it was necessary to re-analyze the thermal dynamics of the calorimeter. ...
... NAVORD REPORT 6094 AN ADIABATIC CALORIMETER FOR THE DETERMINATION OF THE SPECIFIC ... CALORIMETER CIRCUIT DIAGRAMS ...
Calorimeters. The calorimeters are the astronomical sensors that the ADR is designed to cool. This diagram shows no details of the calorimeters. ...
... The calorimeters used in this research were about two inches in diameter. A hole was bored into the calorimeter and threaded. ...
... Title : A HIGH TEMPERATURE RADIATION CALORIMETER. ... The basic equations of the calorimeter theory are presented. ...
A detailed calculational study has been performed to determine the response of uranium liquid-argon calorimeters to high energy (less than or equal to 20 GeV) incident protons. The results obtained are consistent with the recently published experimental data of Fabjan et al. This experimental data and the calculations indicate that ...
We have constructed a uranium liquid argon calorimeter which serves as the end calorimeter electromagnetic module for the DO experiment at Fermilab. We present details of the construction and the results of the tests made using electron beams ranging from 10 GeV to 150 GeV. We find the energy resolution is 15.5%/{radical}E(GeV) with a small constant term ...
The SDC calorimeter will be immersed in a strong magnetic field in the endcap region because of the solenoid which supplies the SDC tracking field. This flux must be returned through the endcap region of the electromagnetic (EM) and hadronic (HAD) calorimeters. Since magnetic fields are known to induce changes in the light output of plastic scintillator, ...
The addition of photosensitive dopants to liquid argon greatly enhances the signal from heavily ionizing particles. Since binding energy losses we correlated with the heavily ionizing component in hadronic showers, the addition of photosensitive dopants has been suggested as a mechanism to tune the e/{pi} ratio in liquid argon calorimeters. A measurement was performed at the ...
