PANDA3: Magnet design and integration of detectors

1
PANDA3 Magnet design and integration
of detectors

• Project
• Objectives
• Tasks participants
• Milestones deliverables
• Status

2
Original Dubna design
3
Solenoid field
B/Bmax ()
?B/B ()
4
Dipole Magnet (water-cooled)
Vertical magnetic field component
Field integral By (straight lines 0,0,0 to
Z5.5m,X,Y) in Tm)
Y Y
0 1
X 0 2,11 2,03
X 0,5 2,25 2,215
X -0,5 2,0 1,975
5
Field homogeneity of extended Solenoid (50cm
30cm)
Target position
Beam
Tracking detector
6
Magnetic field at tracker
Field variation lt 1.5(at ca. 10 higher costs)
7
Interface solenoid / dipole
8
Magnetic fields
9
Field clamps
10
PANDA3 Objectives and participants

• Objectives
• Design of target and forward spectrometers
• Detector and target integration
• Participants
• Cracow
• Dubna
• Genova
• Glasgow
• GSI Darmstadt

11
Tasks
Cracow Design of interface forward spectrometer Integration of muon detectors into forward spectrometer Mechanical design studies Electronic control systems
Dubna Design and prototyping of superconducting coils and cryostats Magnetic field and stress calculations Magnet design Design of control and protection system power supply system
Genova Magnetic field calculation Magnet design Tests of superconducting cables Cryogenic system verifications and test
Glasgow Project coordination Magnetic field and raytrace calculations, stress calculations Magnet design Slow control systems Integration of detector systems into solenoid
GSI Cryogenics Magnet instrumentation Design and Integration of internal targets Interaction region, vacuum, supply lines
12
Milestones
10th month Superconducting solenoid coil material selected
16th month Magnetic field, raytrace and finite element stress calculations finished for Solenoid and Dipole
16th month Design of superconducting parts of solenoid and dipole coils, cryostats finished
30th month Tests of coil and cryostat prototypes for solenoid and dipole finished
33rd month Conceptual design solenoid and dipole
13
Deliverables

• Magnetic field and stress calculations
• Prototyping of coils and cryostats
• Design of magnet part of target access and
  integration of detectors into magnet system
• Technical Design Report

14
Status

• See PANDA Technical Progress Report 15/01/05
• Alternative forward spectrometers such as
  Superconducting dipole, Toroid, Conical magnet
  investigated
• Detailed design study of solenoid/dipole
  configuration
• Interface Bedstead dipole coils, field clamps,
  dipole with central iron plate studied
• Since then
• Settled for normal conducting inhomogeneous
  dipole
• Solenoid extended upstream by 30cm to obtain
  better field homogeneity in tracking detector (at
  10 higher costs)
• Near future
• Stress calculations for solenoid
• Dipole ramping?