Workshop on Materials for Collimators and Beam Absorbers

from Monday, 3 September 2007 (14:00) to Wednesday, 5 September 2007 (18:15)
CERN (40-S2-D01)

        : Sessions
    /     : Talks
        : Breaks
3 Sep 2007
4 Sep 2007
5 Sep 2007
AM
08:30
Session 2: New Ideas / New Materials (until 14:00) (40-S2-D01)
08:30 LHC Collimators (Phase II): What is an ideal material? - Alessandro BERTARELLI (CERN)   (40-S2-D01)
Slides
09:00 Diamond-based Metal Composites - Ludger WEBER (EPFL)   (40-S2-D01)
Slides
09:30 Copper based composites reinforced with carbon nanofibers - René NAGEL (ARC)   (40-S2-D01)
Slides
10:00 --- Coffee break ---
10:25 Development and manufacturing status of diamond-based composites - Sven KNIPPSCHEER (PLANSEE SE)   (40-S2-D01)
Slides
10:55 Dynamic vacuum - Collimator technology for suppression and control of desorption gases - Carsten Omet (GSI)   (40-S2-D01)
Slides
11:25 Carbon-metal composites for thermal management - Javier Narciso (Alicante University)   (40-S2-D01)
Slides
11:55 Discussion   (40-S2-D01)
12:35 --- Lunch break ---
08:30
Session 5: Codes and simulations results (until 17:55) (40-S2-D01)
more information
08:30 Issues Raised by the Design of the LHC Beam Dump Entrance Window - Raymond Veness (CERN)   (40-S2-D01)
Slides
09:00 Overview of FLUKA Energy Deposition and Design Studies for the LHC - Markus BRUGGER (CERN)   (40-S2-D01)
Slides
09:40 Generic studies of radioactivity induced by high energy beams in different absorber materials - Markus BRUGGER (CERN)   (40-S2-D01)
Slides
10:10 --- Coffee break ---
10:35 Simulating radiation damage effects in LHC collimators (code development status) - George SMIRNOV (CERN)   (40-S2-D01)
Slides
11:00 Beam impact on collimator materials: Studies for LHC and SPS using BIG - Naeem TAHIR (GSI)   (40-S2-D01)
Slides
11:40 FE simulation of 450 GeV injection error test - Alessandro DALLOCCHIO (CERN)   (40-S2-D01)
Slides
12:05 Beam impact on collimator materials: Studies for LHC by Kurchatov Institute - Alexander RYAZANOV (KURCHATOV INSTITUTE)   (40-S2-D01)
Slides
12:30 --- Lunch break ---
14:00 Finite Element Methods for the Thermo-mechanical analysis of the Phase I Collimators - Alessandro Bertarelli (CERN)   (40-S2-D01)
14:30 Experience with implicit and explicit codes in analysing beam-induced thermo-mechanical shock - Nick SIMOS (BNL)   (40-S2-D01)
Slides
15:00 Numerical tools for the design of beam intercepting devices - Luca Bruno (CERN)   (40-S2-D01)
Slides
15:30 TT40 collimator – Deformation measurement after beam test - Rocio CHAMIZO (CERN)   (40-S2-D01)
Slides
15:40 --- Coffee break ---
15:55 Dynamic structural analysis of absorbers with spectral-element code ELSE - Luca Massidda (CRS4)   (40-S2-D01)
Slides
16:35 Discussions and closing remarks - Rüdiger Schmidt (CERN)   (40-S2-D01)
PM
14:00
Session 1: Introduction – collimators and beam absorbers for different accelerators (until 21:00) (40-S2-D01)
14:00 Welcome and introduction to the workshop - Lyn Evans (CERN)   (40-S2-D01)
14:10 Objectives and questions - Rudiger SCHMIDT (CERN)   (40-S2-D01)
Slides
14:20 LHC requirements for collimation - Ralph ASSMANN (CERN)   (40-S2-D01)
14:50 Beam absorbers for Machine Protection at LHC and SPS - Brennan Goddard (CERN)   (40-S2-D01)
15:20 --- Coffee break ---
15:45 Tevatron Collider Collimators and Absorbers - Nikolai MOKHOV (FERMILAB)   (40-S2-D01)
Slides
16:15 Phase II Collimators for LHC Upgrade at SLAC - Material Issues - Eric Doyle (SLAC)   (40-S2-D01)
Slides
16:45 Lattice optimization for low charge state heavy ion operation - Collimation concepts for beam ions after a charge change - Jens STADLMANN (GSI)   (40-S2-D01)
Slides
17:15 Design and testing of ILC Beam Delivery System collimators - Juan Luis Fernandez Hernando (STFC/ASTeC)   (40-S2-D01)
Slides
14:00
Session 3: Experimental results and future tests / test station (until 16:45) (40-S2-D01)
14:00 Measurement of shock waves and vibrations - Herta Richter (CERN)   (40-S2-D01)
14:30 Accelerometer and microphone measurements of the LHC collimator - Stefano REDAELLI (CERN)   (40-S2-D01)
Slides
15:00 Experimental methods for material measurements at high strain-rate - Massimiliano AVALLE (POLITECNICO DI TORINO)   (40-S2-D01)
Slides
15:30 --- Coffee break ---
15:55 Irradiation damage in LHC beam collimating materials - Nick SIMOS (BNL)   (40-S2-D01)
Slides
16:25 Studies of radiation effects on graphite collimator materials - Alexander RYAZANOV (KURCHATOV INSTITUTE)   (40-S2-D01)
Slides
16:55
Discussion session 4: Plans and opportunities for studies and tests at CERN and elsewhere (until 18:25) (40-S2-D01)
16:55 Introduction - Ralph Wolfgang Assmann (CERN)   (40-S2-D01)
17:25 Round table discussion session   (40-S2-D01)