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Collimators positions display on DIP - TCDD - TCDIH - TCDIV - TCLA - TCLIB - TCP - TCSG - TCTH - TCTVA - TDI Distance in millimetre with respect to the beam orbit which coincides with the collimator centre; For the coordinates system please refer to the following slides. Collimators apertures : - for all collimators except TDI: min gap ~ 1mm; gap max ~ 60mm; - for TDI: min gap ~ 3mm; gap max ~ 120mm.

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Collimators positions display on DIP - TCDQP Remark: The TCDQ has only 1 jaw Distance in millimetre with respect to the beam orbit which coincides with the collimator centre; For the coordinates system please refer to the following slides.

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Beam aborbers positions display on DIP - TED UnknowPosition=0 Installation=1 Beam=2 Dump=3 Transport=4 UndefinedPosition=5 - Beam position (i.e. 2) means OUT (the beam pass trough the TED); - Dump (i.e.3) means IN (the TED dumps the beam).

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Collimator coordinate systems (1/4) Source: S. Redaelli, R. Chamizo and T. Weiler, LHC Project document n. LHC-TC-ES-0001 ver.1.0, EDMS doc. N. 906937, p.5

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Collimator coordinate systems (2/4) Source: S. Redaelli, R. Chamizo and T. Weiler, LHC Project document n. LHC-TC-ES-0001 ver.1.0, EDMS doc. N. 906937, p.6

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Collimator coordinate systems (3/4) Source: S. Redaelli, R. Chamizo and T. Weiler, LHC Project document n. LHC-TC-ES-0001 ver.1.0, EDMS doc. N. 906937, p.7

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Collimator coordinate systems (4/4) Source: S. Redaelli, R. Chamizo and T. Weiler, LHC Project document n. LHC-TC-ES-0001 ver.1.0, EDMS doc. N. 906937, p.7

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Distance in mm with respect to the beam orbit which coincides with the collimator centre; LHC Beam 1 coordinates system i.e. positive when going outside the machine (horizontal plane) or towards the top (vertical plane). Example of a collimator display on DIP – TCTH.4L1.B1

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IP1 Beam 1 TCTH.4L1.B1 Horizontal collimator schema (Top view) LHC ring centre lvdt_right_upstream lvdt_right_downstream lvdt_left_downstream lvdt_left_upstream lvdt_gap_upstream lvdt_gap_downstream

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Distance in mm with respect to the beam orbit which coincides with the collimator centre; LHC Beam 1 coordinates system i.e. positive when going outside the machine (horizontal plane) or towards the top (vertical plane). Example of a collimator display on DIP – TCTVA.4L1.B1

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TCTVA.4L1.B1 Vertical collimator schema (Side view) IP1 Beam 1 lvdt_right_upstream lvdt_right_downstream lvdt_left_downstream lvdt_left_upstream lvdt_gap_upstream lvdt_gap_downstream LHC ring centre

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beam

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