Hl lhc wp14 2 nd meeting tdi and tcdd functional specification
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HL-LHC WP14 2 nd meeting: TDI and TCDD Functional Specification. Anton Lechner, Jan Uythoven. TDI & TCDD Functional Specification. Original version dates back from 16/05/2012 (BG)

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HL-LHC WP14 2 nd meeting: TDI and TCDD Functional Specification

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Hl lhc wp14 2 nd meeting tdi and tcdd functional specification

HL-LHC WP14 2nd meeting:TDI and TCDD Functional Specification

Anton Lechner, Jan Uythoven


Tdi tcdd functional specification

TDI & TCDD Functional Specification

  • Original version dates back from 16/05/2012 (BG)

    • http://proj-lti.web.cern.ch/proj-lti/LTIcoordination/RelatedMeetings/LIBD/Meetings%202012/20121002/TDI%20FS_2012_v3_AG_VB.docx

    • Discussed in LIBD meeting of 2/10/2012

    • Since then:

      • Update of beam parameters (LIU – BCMS)

        • See previous presentation

      • Initial TDI material and FLUKA studies

      • Discussions with parties involved

        • Impedance

        • Vacuum

        • Some optics

        • ALICE ZDC

  • Propose complete re-write of the FS taking into account the above information

  • As the protection of the D1 and triplet depends on the combination of the TDI and TCDD, it is proposed to add the TCDD to the same FS

  • FS to be sent around for comments by the end of this year

TDI & TCDD Functional Specification


Functional specification reorganised

Functional Specification reorganised

Need “new param.” for studies

1. Failure modes2. Quench and damage levels

If possible rewritten by ABP impedance team

BETS interlocking and new position sensors

TDI & TCDD Functional Specification


Input needed

Input Needed

  • Beam parameters at 450 GeV and 7 TeV

    • From LIU take values given in previous presentation

    • Official HL-LHC beam parameter list.

      • If LIU assumes BCMS parameters, they should have their equivalent in HL-LHC beam parameters

    • Request made to HL-LHC Parameter and Layout committee (Oliver Bruning, Markus Zerlauth )

  • Optics

    • Crossing angles and separation at IP2 and IP8.

    • Twiss parameters

  • Failure modes: see prev. presentation

  • Quench and damage levels: see prev. presentation

  • Beam Impedance

    • Collect all the distributed information

    • Discuss the additional constraint for multi module TDI

  • Interlocking

    • Include the new BETS interlocking on the TDI and the interferometric position measurement

TDI & TCDD Functional Specification


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