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Status of ICAL RPCs. B.Satyanarayana, TIFR, Mumbai INO Collaboration. Factsheet of ICAL detector. Schematic of a basic RPC. Parts for gas volume fabrication. Schematic of an assembled gas volume. Edge spacer. Gas nozzle. Glass spacer. Stack of 1m × 1m RPCs.

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Status of ical rpcs

Status of ICAL RPCs

B.Satyanarayana, TIFR, Mumbai

INO Collaboration


Factsheet of ical detector
Factsheet of ICAL detector

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Schematic of a basic rpc
Schematic of a basic RPC

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Parts for gas volume fabrication
Parts for gas volume fabrication

Schematic of an assembled gas volume

Edge spacer

Gas nozzle

Glass spacer

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Stack of 1m 1m rpcs
Stack of 1m × 1m RPCs

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Studying rpcs using muons
Studying RPCs using muons

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Stack of 2m 2m rpcs
Stack of 2m × 2m RPCs

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Studying long term stability
Studying long-term stability

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Ical mini at vecc
ICAL mini at VECC

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Studies on float glass
Studies on float glass

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Pickup panel development
Pickup panel development

Foam panel

48.2Ω

Open

100Ω

51Ω

47Ω

G-10 panel

Honeycomb panel

Z0: Inject a pulse into the strip; tune the terminating resistance at the far end, until its reflection disappears.

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Chamfering and engraving of glass
Chamfering and engraving of glass

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Painting curing of glass plates
Painting/curing of glass plates

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Automatic rpc gap making
Automatic RPC gap making

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Rpc holding tray
RPC holding tray

Self weight + 100kg load

Finite Element Analysis

Max. deflection

4.4mm

Max. stress

8.2MPa

Spec.

5mm

FRP

25MPa

Extra thickness in selected sections

Three-line support

Fabricated tray

Down side view

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Rpc fabrication facility
RPC fabrication facility

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


Current status
Current status

  • RPC detector R&D concluded quite a while ago. The RPC stacks are being used even for some physics studies.

  • Scaling up and industrial adaptation of lab technology – by an industry, is almost complete.

  • Extensive vendor development for material fabrication, process development, design of SPMs and for large scale production of RPCs.

  • Ready for engineering module.

  • Tenders for RPC production for engineering module are about to be floated.

  • Further fine-tuning of chamber design, operating parameters and maintenance related practices will continue.

B.Satyanarayana BARC-TIFR INO meeting, TIFR, Mumbai November 9, 2012


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