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Michael Martens (Fermilab)27/07/2009, 14:00Accelerator PhysicsThis is a talk on the challenges of beamlines and targeting for neutrino production using multi-megawatt beamlines. Discussed are lessons from NuMI operations at Fermilab and concerns related to future and proposed beamlines such as NOvA, CNGS, JPARC, and LBNE.Go to contribution page
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Dr Linda Coney (UC Riverside)27/07/2009, 14:30Accelerator PhysicsMuon ionization cooling provides the only practical solution to prepare high brilliance beams necessary for a neutrino factory or muon colliders. The muon ionization cooling experiment (MICE)* is under development at the Rutherford Appleton Laboratory (UK). It comprises a dedicated beam line to generate a range of input emittance and momentum, with time-of-flight and Cherenkov detectors to...Go to contribution page
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Dr Dazhang Huang (Illinois Institute of Technology)27/07/2009, 15:00Accelerator PhysicsIn the process of ionization cooling, as a charged particle passes through an absorber, it induces a wake field by polarizing the absorber medium. If the beam density is sufficiently high (as may be the case in certain aggressive cooling approaches), this could result in beam-intensity-dependent effects, which are not taken into account in past and current studies. To understand this effect...Go to contribution page
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Mary Convery (Fermilab)27/07/2009, 15:30Accelerator PhysicsWe present the strategy which has been used recently to optimize integrated luminosity at the Fermilab Tevatron proton-antiproton collider. We use a relatively simple model where we keep the proton intensity fixed, use parameters from fits to the luminosity decay of recent stores as a function of initial antiproton intensity (stash size), and vary the stash size to optimize the integrated...Go to contribution page
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Alexander Shemyakin (Fermilab)27/07/2009, 16:30Accelerator PhysicsA permanent – magnet, 3.3 km 8 GeV Recycler ring is used to accumulate antiprotons and prepare them for Tevatron shots. Two cooling systems, stochastic and electron, allows increasing of the antiproton phase density by a factor of ~ 50 and storing up to 51012 antiprotons with the storage efficiency above 90%. The paper will describe the status of the Recycler ring and its operation.Go to contribution page
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Dr Jean-Luc Vay (Lawrence Berkeley National Laboratory)27/07/2009, 17:00Accelerator PhysicsIt was shown recently that it can be computationally advantageous to perform computer simulations in a Lorentz boosted frame for a certain class of relativistic systems such as: free electron laser, laser-plasma accelerator, and particle beams interacting with electron clouds [1], and reduction by orders of magnitude in computer simulation run times using methods based on first-principles...Go to contribution page
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Prof. Daniel Kaplan (Illinois Institute of Technology)27/07/2009, 17:30Accelerator PhysicsMuon colliders and neutrino factories are attractive options for future facilities aimed at achieving the highest lepton-antilepton collision energies and precision measurements of parameters of the neutrino mixing matrix. The performance and cost of these depend sensitively on how well a beam of muons can be cooled. Recent progress in muon cooling design studies and prototype tests nourishes...Go to contribution page
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Dr Mary Anne Cummings (Muons, Inc.)27/07/2009, 18:00Accelerator PhysicsMANX is a six-dimensional muon ionization cooling demonstration experiment based on the concept of a helical cooling channel in which a beam of muons loses energy in a continuous helium or hydrogen absorber while passing through a special superconducting magnet called a helical solenoid. The goals of the experiment include tests of the theory of the helical cooling channel and the helical...Go to contribution page
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