from 24 February 2014 to 1 March 2014
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Calorimeters

Place

Location:
Date: from 27 Feb 14:30 to 28 Feb 12:15

Conveners

  • 27 Feb 14:30 - 17:35 1
    • Fukushima, Masaki (Institute for Cosmic Ray Research, The University of Tokyo)
  • 28 Feb 09:00 - 12:15 2
    • Krammer, Manfred (Institute of High Energy Physics of the Austrian Academy of Sciences)

Timetable | Contribution List

Displaying 14 contributions out of 14
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The CMS ECAL is a hermetic, fine grained and homogeneous calorimeter containing 75848 lead-tungstate (PbWO₄) crystals, located inside the CMS superconducting solenoidal magnet. The scintillation light is detected by avalanche photodiodes (APDs) in the barrel section and by vacuum phototriodes (VPTs) in the two endcap sections. A silicon/lead pre-shower detector is installed in front of the endca ... More
Presented by Anton KARNEYEU on 27/2/2014 at 8:45
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
Development of detector materials takes place both due to the search of new scintillation crystal, and by improvement of growing technology for already known crystals. Basically scintillation crystals are grown by traditional techniques under high temperature gradient conditions. In most cases, the temperature gradients nearly growth interface are in the range 40-200 K/cm. In such conditions ther ... More
Presented by Vladimir SHLEGEL on 28/2/2014 at 4:55
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The ILC hadron calorimeter is supposed to consist from nearly 10 000 000 tiles 30x30x3 mm. The configuration of tile readout without WLS-fiber is studied and is being optimized in terms of response uniformity. With a SiPM positioned in the center of tile and hole milled in front of a SiPM uniformity of 8% has been achieved. This enables sandwich technology in detector plane construction.
Presented by Dmitry MIRONOV
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The new designed at IHEP technologies of polystyrene scintillators manufacturing - molding of polystyrene granules under pressure, melting of granules in forms with mirrors walls, production of scintillating granules and detectors on their basis are considered.
Presented by Vladimir RYKALIN on 28/2/2014 at 3:10
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The LHCb experiment is dedicated to precision measurements of CP violation and rare decays of B hadrons at the Large Hadron Collider (LHC) at CERN (Geneva) [1, 2]. LHCb is a single-arm spectrometer with a forward angular coverage from approximately 10 mrad to 300 mrad. It comprises a calorimeter system composed of four subdetectors [3], selecting transverse energy hadron, electron and photon candi ... More
Presented by Sergey FILIPPOV on 27/2/2014 at 8:20
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
Scintillators with fast decay time, such as the barium fluoride fast component (220 nm) or liquid xenon (165 nm) pose a difficult problem for photodetectors. This motivates the development by a Caltech/JPL/RMD collaboration of large area (~10×10 mm) avalanche photodiodes using superlattice doping. These devices have high quantum efficiency and extended UV response and excellent timing properties. ... More
Presented by David HITLIN on 28/2/2014 at 4:05
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The development and optimisation of calorimeters for particle methods at future colliders will be discussed. The talk will present the status of experimental validation with emphasis on recent results from test beam data analysis. Examples from current studies on scalable engineering solutions and system integration are shown.
Presented by Felix SEFKOW on 27/2/2014 at 7:30
Type: Oral presentation Session: Calorimeters
Track: Trigger, electronics and DAQ
The Tile Calorimeter (TileCal) is the central section of the ATLAS hadronic calorimeter at the Large Hadron Collider, a key detector for the measurements of hadrons, jets tau leptons and missing transverse energy. Scintillation light produced in the tiles is transmitted by wavelength shifting fibers to photomultiplier tubes (PMTs). The resulting electronic signals from approximately 10000 PMTs ar ... More
Presented by Oleg SOLOVYANOV on 27/2/2014 at 9:40
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The ATLAS experiment is designed to study the protonproton collisions produced at the Large Hadron Collider (LHC) at CERN. Liquid argon sampling calorimeters are used for all electromagnetic calorimetry covering the pseudorapidity region up to 3.2, as well as for hadronic calorimetry in the range 1.4-4.9. The electromagnetic calorimeters use lead as passive material and are characterized by an acc ... More
Presented by Pavol STRIZENEC on 27/2/2014 at 7:55
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The BGO endcap calorimeter was successfully operated in the CMD-2 detector at the VEPP-2M collider. It consists of 680 BGO crystals each with a size of 25×25×150 mm³, arranged in two identical endcaps, with a total crystal weight of 450 kg. The light readout used vacuum phototriodes. The endcap calorimeter has now been upgraded to work in the CMD-3 detector at new collider VEPP-2000. The major ... More
Presented by Ravel AKHMETSHIN on 28/2/2014 at 2:50
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
We have uniformly irradiated liquid argon ionization chambers with betas from high-activity Strontium-90 sources. The radiation environment is similar to that in the liquid argon calorimeters which are part of the ATLAS detector installed at CERN's Large Hadron Collider (LHC). We measured the resulting ionization current over a wide range of applied potential for two different source activities a ... More
Presented by John RUTHERFOORD on 27/2/2014 at 10:10
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The purpose of the MEG experiment is to look for a lepton flavor violating μ→eγ decay with an unprecedented sensitivity, and we set an upper limit of the branching ratio for this decay, 5.7×10⁻¹³ at 90% C.L. in 2013 which is twenty times more stringent limit than the previous experiment, MEGA. Since the sensitivity improvement of the MEG experiment was limited by the accidental background ... More
Presented by Toshiyuki IWAMOTO on 28/2/2014 at 2:00
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
Since 2010 the CMD-3 detector has been collecting data at the e⁺e⁻ collider VEPP-2000 in the Budker Institute of Nuclear Physics. CMD-3 is a general purpose detector designed to study e⁺e⁻ annihilation into hadrons in the wide energy range, E(c.m.s) = 0.3÷2 GeV. During 3 years of operation detector collected integral luminosity of about 60 nb⁻¹. The barrel electromagnetic calorimeter ... More
Presented by Vasiliy SHEBALIN on 28/2/2014 at 2:25
Type: Oral presentation Session: Calorimeters
Track: Calorimeters
The construction of the SuperKEKB electron-positron collider and upgrade of the Belle II spectrometer are going on at KEK aiming at high precision measurements in bottom, charm and tau flavor sectors. We describe a replacement of the electronics for the CsI(Tl) crystal calorimeter with PIN-PD readout to match the luminosity increase up to 800/(nb·sec) at maximum. A plan to replace CsI(Tl) crystal ... More
Presented by Kenkichi MIYABAYASHI on 28/2/2014 at 4:30
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