rpc poster

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Information about rpc poster

Published on January 9, 2008

Author: Valeria

Source: authorstream.com

Indigenous R & D efforts for HEP detectors Glass Resistive Plate Chambers for INO experiment:  Indigenous R & D efforts for HEP detectors Glass Resistive Plate Chambers for INO experiment Proposer: B.Satyanarayana Mentor: Prof Naba K Mondal Department of High Energy Physics, TIFR, Mumbai, 400005 What is the need?:  What is the need? Detectors form the core of scientific research! What is ‘discoverable’ in an experiment is often limited by capabilities of the employed detector Why do we need indigenous development? Need for large and sustained efforts Rich experience of various detector development activities for KGF, DZERO, CMS experiments Now, the proposed Indian-based Neutrino Observatory (INO) is looking for a new detector! The proposed INO detector:  The proposed INO detector Magnetised iron calorimeter Iron RPC 140 layers RPC dimension: 3m X 2m No of chambers: 11K No of channels: 220K No of TDC channels: 3K 35KTons Why RPCs?:  Why RPCs? Rugged, cheap and easy to produce large area cells Good timing, counting rate, spatial resolution, large signals Can take roles of tracking, timing, particle identification and (even) calorimeter detectors Being used or planned for many HEP, Cosmic ray, astroparticle physics experiments: All four LHC experiments, Belle, Babar, HARP, EAS-TOP Choice of designs, modes of operation, gases etc A typical RPC construction:  A typical RPC construction RPC R & D infrastructure at TIFR:  RPC R & D infrastructure at TIFR A few of our preliminary results:  A few of our preliminary results Proposal for new work:  Proposal for new work Double-gap, multi-gap and Hybrid designs Avalanche versus streamer modes of operation Gas mixture studies and optimization MIP efficiency issues Improvement of time resolution Special RPCs for finer spatial resolution The all important ageing concerns Proposed plan for new work:  Proposed plan for new work Gases, mixing, circulation and monitoring systems Industrial help for resistive coats on electrodes etc. In-house development of electronics and DAQ Simulation studies – Process, Device and Detector Meeting INO design requirements in the process RPC deployments beyond INO Possible spinoffs … A proposed spinoff:  A proposed spinoff Positron Emission Tomography (PET) A radiotracer imaging technique using positron emitting radio nuclides Applications include: Early detection of cancer Neurophysiological studies Quantification of brain functions Natural advantages in case of RPC Intrinsic layered structure (~100 layers) Simple and economic construction Time-of-Flight capability Considerably lower radiation levels for whole-body PET

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