PPT-UFO type 1 dynamics studies using diamond beam loss monitors and blown-up bunches

M Väänänen B Lindström D Wollmann P Belanger CERN Technical meeting 25 April 2019 UFO observations in the LHC LHC first proton accelerator to suffer from their impact Still many unknowns impact expected to increase in future higher beam energy higher beam intensity. 2015. . Old Dominion . University. Colliders, Luminosity, & Crabbing. Todd Satogata (Jefferson Lab) / . satogata@jlab.org. Vasiliy. Morozov (Jefferson Lab) . / . morozov@jlab.org. . Alex . Castilla. With the kind support of:. B. Mikulec, T. Bohl, B. Dehning, F. Roncarolo, M. Sapinski, Ch. Zamantzas, T. Lefevre, J. Belleman, D. Belohrad, . P. Odier, L. Soby, R. Steerenberg, J. Emery, E. Calvo, . A. Guerrero, H. Damerau, R. Steinhagen, S. Hancock, . a Diamond based luminosity . and Beam spot Monitor . Marko . Miku. ž. For the . DBM project. IBL GM, CERN, . October . 19. th. ,. 20. 11. DBM Institutes. Bonn . CERN . Göttingen. . Ljubljana . th. . July & night. 07:36 Dump after . high pile-up MD. . . Pile-up of 65 (CMS) and 70 (ATLAS). 08:09 . Lost . Cryo. matching section R8 ('warm bubble'). . 0. 9:16 . Cryo. back, pre-cycle. . 10:04 . TE/MPE/PE. EN/STI. EN/MME. Objectives. Create. . the. . conditions. . to. produce . hydrodynamic. . tunneling. .. Benchmarking FLUKA-BIG2 . simulations. .. Assert. . the. . damage. . potential. . Large-Scale Atomic/Molecular Massively Parallel Simulator. LAAMPS – A simulator / interpreter for molecular dynamics simulation. . Molecular dynamics – a simulation of a many body problem. Dynamics calculated based on Newton’s equations. Forces are calculated based on a given potential – classical or quantum mechanical.. schemes. plus comments on BCMS and 8b+4e. S. Gilardoni BE/ABP. In collaboration with: H. . Bartosik. , H. . Damerau. , B. Goddard,. V. . Kain. , G. . . Rumolo. , . G. . Sterbini. h=7. b. sp. ≈ 330 ns (4 - 6 b.) . BI IL/CLIC Beam Dynamics Workshop . –. 25. th. . of June 2009. CLIC Beam Instrumentation Challenges. Introduction. Beam . instrumentation. Challenges. Update . from CLIC Beam Instrumentation workshop in June 2009. 2015. . Old Dominion . University. Colliders, Luminosity, & Crabbing. Todd Satogata (Jefferson Lab) / . satogata@jlab.org. Vasiliy. Morozov (Jefferson Lab) . / . morozov@jlab.org. . Alex . Castilla. this can be e. −. , . . , protons, neutrons, excited nuclei, fragmented nuclei.... . . Spontaneous radiation and permanent activation is produced.. . Large variety of Beam Loss Monitors (. . FERRO-LUZZI , LHC . Programme. Coordinator. CERN - PH Dept.. Overview of machine progress. rough chronology, recent achievement, current status. Luminosity calibration. s. 1/2. = 0.9 & 7 TeV. S. Gilardoni BE/ABP. In collaboration with: H. . Bartosik. , H. . Damerau. , B. Goddard,. V. . Kain. , G. . . Rumolo. , . G. . Sterbini. h=7. b. sp. ≈ 330 ns (4 - 6 b.) . . h=21. b. sp.≈100 ns (18 b.) . Beam dynamics meets diagnostics . Firenze, 6 November . 2015. R. Bartolini. Diamond Light Source. and . John Adams Institute, University of Oxford. thanks: . R. Fielder, S. Pande, G. Rehm, . V. Smalyuk (BNL. SPS . Session. 28-Aug-2012. Q20 . instability. . improvement. TMCI . threshold. . expected. . at. 3.5. e. 11 for . low. vert chroma. Up to 4. e. 11 no TMCI . observed. Gives. . margin. to . reach.