1,134 research outputs found
Hadronic showers in the CALICE calorimeter prototypes
The CALICE collaboration has constructed highly granular electromagnetic and
hadronic calorimeter prototypes to evaluate technologies for the use in
detector systems at the future International Linear Collider. These
calorimeters have been tested extensively in particle beams at CERN and at
Fermilab. We present preliminary results of an analysis of hadronic events in
the combined system under test at CERN in 2006 and 2007, comprising a SiW ECAL,
a scintillator tile HCAL and a scintillator strip tail catcher, the latter two
with SiPM readout. The properties of hadronic showers in the HCAL, compared to
simulations performed with GEANT4, are discussed. Particular emphasis is placed
on the study of the linearity of the detector response and on the single
particle energy resolution achievable with simple weighting algorithms based on
the local energy density in the hadronic showers.Comment: 3 pages, 4 figures, to appear in the proceedings of TIPP09, Tsukuba,
Japan, March 200
The export potential of Ukraine in the field of electricity supply
Наведено загальну характеристику електроенергетичної галузі. Проаналізовано динаміку обсягів постачання електроенергії закордон за останні 5 років, а також розглянуто причини скорочення експорту електроенергії до країн ЄС.The article gives general characteristic of the electricity industry. The paper analyses dynamics of volumes of supply of electricity abroad in the last 5 years and examines the reasons for the decline in electricity exports to the EU
Quality Control Studies of Wavelength Shifting Fibers for a Scintillator- based Tail-Catcher Muon-Tracker Linear Collider Prototype Detector
Detailed measurements of the wavelength shifting fiber response to a stable and reliable light source are presented. Details about materials, a double reference method, and measurement technique are included. The fibers studied were several hundred KURARAY, Y-11, multiclad, 1.2mm outer diameter wavelength shifting fibers each cut from a reel to about one meter length. The fibers were polished, mirrored, and the mirrors were UV epoxy protected. Each fiber passed quality control requirements before installation. About 94% of the fibers have a response within 1% of the overall mea
Quality Control Studies of Wavelength Shifting Fibers for a Scintillator- based Tail-Catcher Muon-Tracker Linear Collider Prototype Detector
Detailed measurements of the wavelength shifting fiber response to a stable and reliable light source are presented. Details about materials, a double reference method, and measurement technique are included. The fibers studied were several hundred KURARAY, Y-11, multiclad, 1.2mm outer diameter wavelength shifting fibers each cut from a reel to about one meter length. The fibers were polished, mirrored, and the mirrors were UV epoxy protected. Each fiber passed quality control requirements before installation. About 94% of the fibers have a response within 1% of the overall mea
LCDG4 and DigiSim - Simulation activities at NICADD/NIU
We present two software packages developed to support detector R&D studies
for the International Linear Collider. LCDG4 is a full-detector simulator that
provides energy deposits from particles traversing the sensitive volumes of the
detector. It has been extensively used within the American ILC community,
providing data for algorithm development and detector optimization studies.
DigiSim models real-life digitization effects, converting the idealized
response into simulated detector readout. It has many useful features to
improve the realism in modeling detector response. The main characteristics of
these two complementary packages are discussed.Comment: 8 pages, 7 figures, submitted to LCWS05 conference proceedings. Uses
slac_one.rt
Extruded scintillator for the Calorimetry applications
An extrusion line has been installed and successfully operated at FNAL (Fermi National Accelerator
Laboratory) in collaboration with NICADD (Northern Illinois Center for Accelerator and Detector
Development). This new Facility will serve to further develop and improve extruded plastic scintillator.
Recently progress has been made in producing co-extruded plastic scintillator, thus increasing the
potential HEP applications of this Facility. The current R&D work with extruded and co-extruded
plastic scintillator for a potential ALICE upgrade, the ILC calorimetry program and the MINERvA
experiment show the attractiveness of the chosen strategy for future experiments and calorimetry. We
extensively discuss extruded and co-extruded plastic scintillator in calorimetry in synergy with new
Solid State Photomultipliers. The characteristics of extruded and co-extruded plastic scintillator will be
presented here as well as results with non-traditional photo read-ou
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