Status of ical rpcs
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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

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Status of ICAL RPCs

B.Satyanarayana, TIFR, Mumbai

INO Collaboration


Factsheet of ICAL detector

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


Schematic of a basic RPC

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


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

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


Studying RPCs using muons

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


Stack of 2m × 2m RPCs

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


Studying long-term stability

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


ICAL mini at VECC

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


Studies on float glass

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


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

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


Painting/curing of glass plates

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


Automatic RPC gap making

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


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

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


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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