CaliceOutline < CALICE

---+!! <img alt=%PUBURL%/CALICE/CaliceLogos/CALICELogo_18pc.png src=%PUBURL%/CALICE/CaliceLogos/CALICELogo_18pc.png /> %MAKETEXT{"Introduction to CALICE"}%

---+++ Who
The [[CaliceCollaboration][Calice Collaboration]] is R&amp;D group of around 280 physicists and engineers from around the world, working together to develop new, high performance detectors for high energy e<sup>+</sup>e<sup>-</sup> experiments.

#CaliceContacts
The Collaboration is organised as follows:
   * Spokesperson: Roman Pöschl,  [[mailto:poeschl@lal.in2p3.fr][poeschl@lal.in2p3.fr]]     
   * [[SteeringBoard][Steering Board]]
   * [[TechnicalBoard][Technical Board]]
   * [[SpeakersBureau][Speakers' Bureau]]
   * [[CaliceCoordinators][Coordinators]]

---+++ Why
The physics requirements of a future TeV-scale e<sup>+</sup>e<sup>-</sup> machine such as the [[http://linearcollider.org][International Linear Collider (ILC)]] demand extremely high performance calorimetry. This is best achieved using a finely segmented system which reconstructs events using the so-called "particle flow" approach.

---+++ How
To show that this _overall calorimeter system_ performance can be achieved and that simulations (detector models and underlying physics models used by GEANT4) can reproduce measurements, the [[CaliceCollaboration][CALICE Collaboration]] is engaged in a co-ordinated series of R&amp;D activities, combining all aspects of calorimetry for such a detector.

The most significant part of this project is a combined [[TestBeamProgramme][testbeam programme]]. CALICE has developed prototypes of the three main calorimetric subsystems (ECAL, HCAL, tail catcher/muon tracker) of a future detector, and is evaluating the performance of alternative technological solutions within this combined system. Information on each subsystem is given below.

   * [[ScEcal][SCECAL]] - scintillator / steel ECAL design
   * [[SiWEcal][SiW ECAL]] - a 30 layer silicon tungsten sampling calorimeter, active 9760 channels, 24 X<sub>0</sub> deep, approx. 20 x 20 x 30 cm<sup>3</sup>
   * [[MapsGroup][MAPS ECAL]] - studies into a novel digital ECAL concept, using 50 micron pixel pitch, the "Tera-pixel" calorimeter

   * [[http://www-flc.desy.de/hcal/][AHCAL]] - the analogue HCAL [[http://www-flc.desy.de/hcal/basics/prototype.php][physics prototype]], scintillating tiles and SiPMs, 8184 channels, 1m<sup>3</sup>
   * [[http://www.hep.anl.gov/repond/DHCAL_US.html][DHCAL]] - the digital HCAL, GEM or RPC readout
   * [[CaliceTCMT][TCMT]] - Tail Catcher and Muon Tracker

This topic: CALICE > WebHome > CaliceOutline
Topic revision: r9 - 2019-09-20 - RomanPoeschl

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