1. High Energy High Intensity Hadron Beams
Network
coordinated by F. Zimmermann and W. Scandale
High Energy High Intensity Hadron Beams
CARE-HHH – Mid-Term Review April 2007
W. Scandale, F. Zimmermann

2. CARE-HHH – Mid-Term Review April 2007
CARE-HHH network
Coordinate and integrate the activities of the accelerator and particle physics communities in a worldwide context, towards achieving superior High-Energy High-Intensity Hadron Beam facilities for Europe
road map for the upgrade of the European accelerator infrastructure (LHC and GSI accelerator complex)
coordinate activities and foster future collaborations
dissemination and outreach
WP1: Advancements in Accelerator Magnet Technologies (AMT)
WP2: Novel Methods for Accelerator Beam Instrumentation (ABI)
WP3: Accelerator Physics and synchrotron Design (APD)
Participating institutes:
CEA, CERN, CSIC-CIEMAT, CCLRC, DESY, GSI, INFN, PSI, TEU, WUT
Associated institutes:
CRPP, ENEA, TUBE, ESRF, UPSA, FZK, TEMF, US-LARP (BNL,FNAL,LBNL,SLAC), JINR, IHEP, KEK
Additional collaborations: Texas A&M U., U. Geneva, U. Bologna
W. Scandale, F. Zimmermann
CARE-HHH – Mid-Term Review April 2007

3. CARE-HHH – Mid-Term Review April 2007
Activities in 2004/07
Events:
24 workshops + 2 CARE-HHH GSI-CERN meetings + 4 HHH-US-LARP coordination meetings
Dissemination and outreach:
numerous presentations at workshops & conferences
56 HHH publications, almost all workshop proceedings
HHH web sites maintained & developed
Exchanges and education:
3 US accelerator physicists supported for HHH workshops
5 Russian accelerator physicists supported by HHH in short-term visits to western labs
1 EU junior scientist
2 EU summer students, 1 master student, 5 doctoral students
1 US-LARP Toohig fellow
W. Scandale, F. Zimmermann
CARE-HHH – Mid-Term Review April 2007

4. HHH networking results
SPS crystal collimation test
parameter
25 ns, smaller b*
50 ns, long
transverse emittance
3.75
protons per bunch
1.7
4.9
bunch spacing 25 50
beam current
0.86
1.22
longitudinal profile
Gauss
Flat
rms bunch length
7.55
14.4
beta* at IP1&5
0.08
0.25
full crossing angle
100
381
Piwinski parameter
0.60
2.5
peak luminosity
15.5
8.9
events per crossing
296
340
initial lumi lifetime
2.1
5.3
effective luminosity
(Tturnaround=10 h)
2.4
2.3
6.5
10.3
e-c heat SEY=1.4(1.3)
1.04 (0.59)
0.36 (0.1)
SR heat load K
0.36
image current heat
0.33
0.78
gas-s. 100 h (10 h) tb
0.06 (0.56)
0.09 (0.9)
D0 + crab
wire comp.
Parameters
For the LHC
upgrade
energy deposition in triplet
W. Scandale, F. Zimmermann
CARE-HHH – Mid-Term Review April 2007

5. HHH networking results e- Cloud Clearing electrodes
s.c. cable & magnet db
Materials
Project
LHC Quadrupole
NED
ITER
LHC Dipole
Strand
Cable
~50% complete,
2 milestone meetings
2 reports
W. Scandale, F. Zimmermann
CARE-HHH – Mid-Term Review April 2007

6. deliverables & milestones compared with original plan
Stones (MS) and Intermediate Deliverables (ID).
deliverables & milestones compared with original plan
2004: HHH & HHH-APD web site => OK
2005: creation of first web-based beam dynamics code
repository => OK
2006: web based database for s.c. cables and magnets
=> OK, 40% complete
milestones:
web reference for IR optics => OK
booster synchrotron optics => delayed to 2007
structured list of intensity limits => nearing completion
scaling laws for magnet and cryogenic cost => 2007
W. Scandale, F. Zimmermann
CARE-HHH – Mid-Term Review April 2007
The workshop on Coil Manufacturing Optimization was postponed to