1. Michael Sullivan and John Seeman SLAC National Accelerator Laboratory
PEP-II Hardware
Michael Sullivan and John Seeman
SLAC National Accelerator Laboratory
Feb 15, 2009
Super-B Orsay Meeting

2. Super-B Arc cells layout
M. Biagini
Cell #1
Cell #1
LER
HER
Cell #2
Cell #2
Feb 15, 2009
Super-B Orsay Meeting

3. Super-B Layout with Polarization Jan 2008 (Wienands)
Feb 15, 2009
Super-B Orsay Meeting

4. Lattice layout, PEP-II magnets reuse
Lmag (m)
0.45
5.4
PEP HER -
194
PEP LER
SBF HER
130
SBF LER
224 18
SBF Total
148
Needed 30
Total length 1800 m
280 m
20 m
Dipoles
Available
Needed
Quads
Lmag (m)
0.56
0.73
0.43
0.7
0.4
PEP HER
202 82 -
PEP LER
353
SBF HER
165
108 2
SBF LER 88
SBF Total
253
216 4
Needed
51*
134
Lmag (m)
0.25
0.5
PEP HER/LER
188 -
SBF Total
372 4
Needed
184
Sexts
All PEP-II magnets are reused. Dimensions and fields are properly sized.
Feb 15, 2009
Super-B Orsay Meeting

5. Super-B components requested by INFN from SLAC (June 2008)
A) North and South Damping ring components and injection/extraction lines
B) Linac accelerator RF distribution waveguide (~72)
C) Linac accelerating 3 m sections (~72)
D) Linac klystrons (~36)
E) Linac klystron modulators (~36)
F) Linac QA and QB quadrupoles (23+13)
G) Linac dipole correctors (~40)
H) Linac polarized gun system & associated three spin rotators with cryo-systems (~1+3)
I) Linac e+ target and capture area (~1+spares)
J) LER and HER dipoles and quadrupoles (~1022)
K) Dipole steering correctors (~836)
L) Magnet mechanical supports (~1000)
M) Vacuum chambers (~~650)
N) RF stations (complete) (~15)
O) Feedback systems (~4)
P) Diagnostics (~120)
Q) Injection hardware (LER and HER)
R) Temperature monitors (~2000)
S) Power supplies (~800)
Feb 15, 2009
Super-B Orsay Meeting

6. Other Requests of PEP-II Components
LCLS at SLAC:
Loss monitors
SPEAR-3 at SLAC;
Bergos BPM electronics
Project-X at FNAL:
100 HER dipoles and vacuum chambers
Some quadrupoles
12 GeV energy upgrade at JLAB:
“A dozen” quadrupoles
BEPC-II at IHEP:
Two longitudinal feedback kickers
CesrTA at Cornell:
Electron cloud dipole chicane and chambers
Feb 15, 2009
Super-B Orsay Meeting

7. Priorities as set by the US DOE Office of Science
Presently operating or soon to be operating US accelerators.
LCLS, CesrTA
Future US domestic accelerators.
LCLS II, LCLS III, Project-X, PEP-X, JLAB energy upgrade
Future US contributions to international accelerator programs.
Super-B, BEPC-II
Other international accelerator programs.
X-FEL
Dismantlement and disposal
Feb 15, 2009
Super-B Orsay Meeting

8. SLAC Response to Super-B Components of INFN Request (September 2008)
A) North and South Damping ring components and injection/extraction lines FACET
B) Linac accelerator RF distribution waveguide (~72)  PEP-X
C) Linac accelerating 3 m sections (~72) PEP-X
D) Linac klystrons (~36)  PEP-X
E) Linac klystron modulators (~36)  PEP-X
F) Linac QA and QB quadrupoles (23+13)  PEP-X
G) Linac dipole correctors (~40)  PEP-X
H) Linac polarized gun system & associated three spin rotators with cryo-systems (~1+3)  Super-B
I) Linac e+ target and capture area (~1+spares)  Super-B
J) LER and HER dipoles and quadrupoles (~1022)  Super-B and Project-X
K) Dipole steering correctors (~836)  Super-B
L) Magnet mechanical supports (~1000)  Super-B and Project-X
M) Vacuum chambers (~~650)  Super-B
N) RF stations (complete) (~15)  Super-B and PEP-X
O) Feedback systems (~4)  Super-B and BEPC-II
P) Diagnostics (~120)  Super-B, LCLS, SPEAR-3
Q) Injection hardware (LER and HER)  Super-B
R) Temperature monitors (~2000)  Super-B
S) Power supplies (~800)  Super-B and some SLAC spares
Feb 15, 2009
Super-B Orsay Meeting

9. Near term actions Cost estimation:
removal of components from the PEP-II tunnel.
packaging the components into shipping containers (steel shipping boxes)
transportation costs to Italy
Storage costs in Italy
Two to four Italian engineers are coming to SLAC in late February (week of Feb 23) to discuss the task and shipping arrangements.
DOE formal review of PEP-II Minimum Maintenance state (MMS) and Disposal and Dispersal (D&D) March 23-24, 2009 at SLAC.
Feb 15, 2009
Super-B Orsay Meeting

10. PEP-II Hardware Conclusions
The present Super-B design uses many of the PEP-II components.
By weight and numbers, most of the Super-B requests can be fulfilled if the project goes ahead.
If other projects do not go ahead, then Super-B could get additional components, primarily injection components.
Engineers are studying removal, shipping, planning and costing.
DOE review of PEP-II MMS and D&D in late March 2009.
Feb 15, 2009
Super-B Orsay Meeting