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IPAC'17 Preview - APT Seminar Series

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Beams-doc-5394-v5
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Phil Adamson
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Phil Adamson
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01 May 2017, 12:25
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Abstract:
Speaker 1: Patrick Hurh, Fermilab
The RaDIATE Collaboration – Exploring High Power Target Materials Response to Radiation Damage - Goals, Status, and Future Plans

The RaDIATE collaboration (Radiation Damage In Accelerator Target Environments), founded in 2012, has grown to over 50 participants and 14 institutions globally. The primary objective is to harness existing expertise in nuclear materials and accelerator targets to generate new and useful materials data for application within the accelerator and fission/fusion communities. Current activities include post-irradiation examination of materials taken from existing beamlines (such as the NuMI beryllium primary beam window and graphite target fins from Fermilab) as well as new irradiations of candidate target materials at low energy and high energy beam facilities (such as titanium and aluminum alloys, glassy carbon, TZM and tungsten). In addition, the program includes thermal shock experiments utilizing high intensity proton beam pulses available at the HiRadMat facility at CERN. Status of current RaDIATE activities as well as future plans will be discussed, including highlights of preliminary results from various ongoing RaDIATE activities and the high level plan to explore the high-power accelerator target relevant thermal shock and radiation damage parameter space.

Speaker 2: Salah Chaurize, Fermilab
Optimization of Booster Notch System

The Booster beam notch is a beam gap needed to allow the extraction kicker magnetic field to rise in a beam free region for single turn extraction scheme. The notch is created, at injection energy, by using dedicated kickers to remove 3 out of the Booster 84 bunches to an absorber. The notching kicker field, pulse length and geometry of the absorber have been optimized to minimize the beam loss due to the notch creation. Beam studies and simulation for the optimization and improvement of the notch system will be discussed.

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