Workshop on Materials for Collimators and Beam Absorbers

from Monday, September 3, 2007 (2:00 PM) to Wednesday, September 5, 2007 (6:15 PM)
CERN (40-S2-D01)

        : Sessions
    /     : Talks
        : Breaks
Sep 3, 2007
Sep 4, 2007
Sep 5, 2007
AM
8:30 AM
Session 2: New Ideas / New Materials (until 2:00 PM)
8:30 AM LHC Collimators (Phase II): What is an ideal material? - Alessandro BERTARELLI (CERN)  
Slides
9:00 AM Diamond-based Metal Composites - Ludger WEBER (EPFL)  
Slides
9:30 AM Copper based composites reinforced with carbon nanofibers - René NAGEL (ARC)  
Slides
10:00 AM --- Coffee break ---
10:25 AM Development and manufacturing status of diamond-based composites - Sven KNIPPSCHEER (PLANSEE SE)  
Slides
10:55 AM Dynamic vacuum - Collimator technology for suppression and control of desorption gases - Carsten Omet (GSI)  
Slides
11:25 AM Carbon-metal composites for thermal management - Javier Narciso (Alicante University)  
Slides
11:55 AM Discussion  
12:35 PM --- Lunch break ---
8:30 AM
Session 5: Codes and simulations results (until 5:55 PM)
more information
8:30 AM Issues Raised by the Design of the LHC Beam Dump Entrance Window - Raymond Veness (CERN)  
Slides
9:00 AM Overview of FLUKA Energy Deposition and Design Studies for the LHC - Markus BRUGGER (CERN)  
Slides
9:40 AM Generic studies of radioactivity induced by high energy beams in different absorber materials - Markus BRUGGER (CERN)  
Slides
10:10 AM --- Coffee break ---
10:35 AM Simulating radiation damage effects in LHC collimators (code development status) - George SMIRNOV (CERN)  
Slides
11:00 AM Beam impact on collimator materials: Studies for LHC and SPS using BIG - Naeem TAHIR (GSI)  
Slides
11:40 AM FE simulation of 450 GeV injection error test - Alessandro DALLOCCHIO (CERN)  
Slides
12:05 PM Beam impact on collimator materials: Studies for LHC by Kurchatov Institute - Alexander RYAZANOV (KURCHATOV INSTITUTE)  
Slides
12:30 PM --- Lunch break ---
2:00 PM Finite Element Methods for the Thermo-mechanical analysis of the Phase I Collimators - Alessandro Bertarelli (CERN)  
2:30 PM Experience with implicit and explicit codes in analysing beam-induced thermo-mechanical shock - Nick SIMOS (BNL)  
Slides
3:00 PM Numerical tools for the design of beam intercepting devices - Luca Bruno (CERN)  
Slides
3:30 PM TT40 collimator – Deformation measurement after beam test - Rocio CHAMIZO (CERN)  
Slides
3:40 PM --- Coffee break ---
3:55 PM Dynamic structural analysis of absorbers with spectral-element code ELSE - Luca Massidda (CRS4)  
Slides
4:35 PM Discussions and closing remarks - Rüdiger Schmidt (CERN)  
PM
2:00 PM
Session 1: Introduction – collimators and beam absorbers for different accelerators (until 9:00 PM)
2:00 PM Welcome and introduction to the workshop - Lyn Evans (CERN)  
2:10 PM Objectives and questions - Rudiger SCHMIDT (CERN)  
Slides
2:20 PM LHC requirements for collimation - Ralph ASSMANN (CERN)  
2:50 PM Beam absorbers for Machine Protection at LHC and SPS - Brennan Goddard (CERN)  
3:20 PM --- Coffee break ---
3:45 PM Tevatron Collider Collimators and Absorbers - Nikolai MOKHOV (FERMILAB)  
Slides
4:15 PM Phase II Collimators for LHC Upgrade at SLAC - Material Issues - Eric Doyle (SLAC)  
Slides
4:45 PM Lattice optimization for low charge state heavy ion operation - Collimation concepts for beam ions after a charge change - Jens STADLMANN (GSI)  
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5:15 PM Design and testing of ILC Beam Delivery System collimators - Juan Luis Fernandez Hernando (STFC/ASTeC)  
Slides
2:00 PM
Session 3: Experimental results and future tests / test station (until 4:45 PM)
2:00 PM Measurement of shock waves and vibrations - Herta Richter (CERN)  
2:30 PM Accelerometer and microphone measurements of the LHC collimator - Stefano REDAELLI (CERN)  
Slides
3:00 PM Experimental methods for material measurements at high strain-rate - Massimiliano AVALLE (POLITECNICO DI TORINO)  
Slides
3:30 PM --- Coffee break ---
3:55 PM Irradiation damage in LHC beam collimating materials - Nick SIMOS (BNL)  
Slides
4:25 PM Studies of radiation effects on graphite collimator materials - Alexander RYAZANOV (KURCHATOV INSTITUTE)  
Slides
4:55 PM
Discussion session 4: Plans and opportunities for studies and tests at CERN and elsewhere (until 6:25 PM)
4:55 PM Introduction - Ralph Wolfgang Assmann (CERN)  
5:25 PM Round table discussion session