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Proposed subjects of collaboration between IHEP and CERN. Linear Colliders: CLIC(CTF3) J.P. Delahaye, J. Gao, J.Q. Wang. Tentative list of possible subjects of collaboration on CTF3. IHEP has potential to contribute to some sub-systems of CTF3

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proposed subjects of collaboration between ihep and cern

Proposed subjects of collaboration between IHEP and CERN

Linear Colliders:

CLIC(CTF3)

J.P. Delahaye, J. Gao, J.Q. Wang

tentative list of possible subjects of collaboration on ctf3
Tentative list of possible subjects of collaboration on CTF3
  • IHEP has potential to contribute to some sub-systems of CTF3
  • Concentrate on possible subjects with well identified common interest between IHEP and CERN
  • Beneficial to both laboratories
bepcii ctf3 common interest
BEPCII – CTF3common interest
  • Beam diagnostics:
    • Bunch length measurement with 3 GHz RF cavity deflector
    • Cavity beam position monitor
  • Participation on the development of multi-beam klystrons at low frequency with high efficiency

- Common interest to ILC, CLIC

  • Electron clouds simulation and beam studies
    • Common interest between BEPC2, LHC and CLIC
fel ctf3 common interest
FEL – CTF3Common interest
  • Beam dynamics of short and high peak intensity bunches
  • Bunch length manipulation and compression with magnetic chicane
  • Beam diagnostics:
    • Measurement of single bunch longitudinal and transverse emittances
specific proposal of collaboration
Specific proposal of collaboration
  • Possible fabrication of some magnetic components for CTF3-TL2: 5 bending magnets,17 quadrupoles (2007)
    • Specification and material budget possibly provided by CERN
    • Man-power provided by IHEP if workshop can be made available in due time
  • Possibly participation to the design, construction, installation and commissioning by IHEP of TBL line (2008):
    • Beam dynamics of short, high intensity bunches with bunch length compression
    • Magnetic components: Bending&quadrupoles
    • Beam diagnostics: BPM, single bunch emittance, Bunch length measurement with RF deflector.
slide6

TL1:5 13

CR:12 48

TL2:5 17

bending magnets

quadrupoles

Number of dipoles and quadrupoles

TOTAL NEEDED

22 bending magnets

78 quadrupoes

24 sextupoles

4 septa

2 wigglers

32 correctors

TO BE BUILT

10 bending magnets

18 quadrupoles*

1 wiggler*

10 correctors*

* A design exists

TL2 Transfer Line

to CLEX

slide7

F

D

F

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

F

F

F

F

F

F

F

F

D

D

F

D

F

F

LIL-ACS

LIL-ACS

13 m

D

F

D

D

F

D

D

F

3m

F

F

F

F

F

F

F

F

D

D

D

D

D

D

D

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2m

F

D

F

D

CLIC experimental area (CLEX)

- Test beam line (TBL) to study RF power production (5 TW at 30 GHz) and drive beam decelerator dynamics, stability & losses - Two Beam Test Stand to study probe beam acceleration with high fields at high frequency and the feasibility ofTwo Beam modules

40 m

TBL

DUMP

DUMP

DUMP

DUMP

6 m

8 m

30 GHz Teststand

DUMP

DUMP

Probe beam injector

15 m

DUMP

Instrumentation Testbeam

1m wide passage all around

Layout for CLEX floor space

additional possible collaboration
Additional possible collaboration
  • Mutual exchange of experts (beam studies, beam dynamics…)
  • Participation to CTF3 Operation and beam commissioning
  • Participation to RF conditioning of structures