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Beam Background and Detector Layout. 4th Concept Collaboration Meeting FNAL 19-20 October 2006. VXD Layout (SiDMay06). The Issues. SiD’s VXD and Beam Pipe is optimized for 5 Tesla B field Beam optics requires for the TPC r in > 20.5 cm. The angles involved. VXD B (13°). VXD B (12°).

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Beam background and detector layout

Beam Background and Detector Layout

4th Concept Collaboration Meeting

FNAL 19-20 October 2006



The issues
The Issues

  • SiD’s VXD and Beam Pipe is optimized for 5 Tesla B field

  • Beam optics requires for the TPC rin > 20.5 cm


The angles involved
The angles involved

VXD B (13°)

VXD B (12°)

TPC & BP (10°)

DREAM (6.5°)


The numbers involved
The Numbers Involved

  • Small exercise using eq. Motion of particle in B-Field


Would it be a problem
Would it be a Problem?

  • Much will depend on ILC parameters


Ussc beam parameters
USSC beam parameters

  • TPC

  • VXD Barrel

  • VXD Endcaps

  • Beam Pipe

  • DREAM

  • Generic (4Tesla)


It will be for high luminosity
It will be for High Luminosity

colored dots is

10cm detector

at r=1.5 cm

for 3,4,5 Tesla

  • TPC

  • VXD Barrel

  • VXD Endcaps

  • Beam Pipe

  • DREAM

  • Generic (4Tesla)


Need a simulation for b 3 5 tesla
Need a Simulation for B=3.5 Tesla

  • Need a full simulation

    • 3.5 tesla (for 4th Concept)

    • 5 Tesla (for our exchange program with FNAL)

  • Files available at SLAC (stdhep)

  • D. Barbareschi will do that


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