04 Hadron Accelerators
A21 Secondary Beams
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TUPAF023 The Beamlines of the CERN East Area Renovation Project 717
  • J. Bernhard, M. Bonnet, Q. Bouirek, D. Brethoux, B.D. Carlsen, A. Ebn Rahmoun, J. Etheridge, S. Evrard, L. Gatignon, E. Harrouch, M. Lazzaroni, M. Van Dijk, A. Watrigant
    CERN, Geneva, Switzerland
  The East Area at the Proton Synchrotron is one of CERN's longest running facilities for experiments, beam tests, and irradiations with a successful history of over 55 years. The facility serves more than 20 user teams for about 200 days of running each year and offers mixed secondary hadron, electron and muon beams of 0.5 GeV/c to 10 GeV/c. In addition, the primary proton beam or ion beam is transported to the irradiation facilities CHARM and IRRAD. Due to the steadily high user demand, the CERN management approved an upgrade and renovation of the facility to meet future beam test and physics requirements. New beam optics will assure a better transmission and purity of the secondary beams, now also with the possibility of highly pure electron, hadron or muon beams. The upgrade includes a pulsed powering scheme with energy recovering power supplies and new magnets, reducing both power and cooling requirements. Together with the building consolidation, this results in a considerably lower energy consumption. The renovation phase is scheduled during the technical stops between 2018 and 2020. We will give an overview of the project scope including upgrades and future beams.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-TUPAF023  
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TUPAF075 Design Status of the LBNF/DUNE Beamline 902
  • V. Papadimitriou, J.E. Anderson, R. Andrews, J.J. Angelo, V.T. Bocean, C.F. Crowley, A. Deshpande, N. Eddy, K. E. Gollwitzer, S. Hays, P. Hurh, J. Hylen, J.A. Johnstone, P.H. Kasper, T.R. Kobilarcik, G.E. Krafczyk, N.V. Mokhov, D. Pushka, S.D. Reitzner, P. Schlabach, V.I. Sidorov, M. Slabaugh, S. Tariq, L.R. Valerio, K. Vaziri, G. Velev, G.L. Vogel, K.E. Williams, R.M. Zwaska
    Fermilab, Batavia, Illinois, USA
  • C.J. Densham
    STFC/RAL, Chilton, Didcot, Oxon, United Kingdom
  Funding: DOE, contract No. DE-AC02-07CH11359
The Long Baseline Neutrino Facility (LBNF) will utilize a beamline located at Fermilab to provide and aim a wide band beam of neutrinos of sufficient intensity and appropriate energy toward DUNE detectors, placed 4850 feet underground at SURF in South Dakota, about 1,300 km away. The primary proton beam (60-120 GeV) will be extracted from the MI-10 section of Fermilab's Main Injector. Neutrinos are produced after the protons hit a four-interaction length solid target and produce mesons which are subsequently focused by a set of three magnetic horns into a 194 m long helium filled decay pipe where they decay into muons and neutrinos. The parameters of the facility were determined taking into account the physics goals, spatial and radiological constraints, extensive simulations and the experience gained by operating the NuMI facility at Fermilab. The Beamline facility is designed for initial operation at a proton-beam power of 1.2 MW, with the capability to support an upgrade to about 2.4 MW. LBNF/DUNE obtained CD-1 approval in November 2015 and CD-3a approval in September 2016. We discuss here the Beamline design status and the associated challenges.
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-TUPAF075  
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TUPAK007 Simulation of Surface Muon Beamline, Ultra-Slow Muon Production and Extraction for the J-PARC g-2/EDM Experiment 970
  • M. Otani, N. Kawamura, T. Mibe, T. Yamazaki
    KEK, Tsukuba, Japan
  • K. Ishida
    RIKEN Nishina Center, Wako, Japan
  • G. Marshall
    TRIUMF, Vancouver, Canada
  The E34 experiment aims to measure muon anomalous magnetic moment with a precision of 0.1 ppm to cast light on beyond standard model in elementary particle physics. The experiment utilizes a brand new muon beam line in J-PARC (H line), which is designed to have large acceptance to supply an intense muon beam. The surface muons are injected into a silica aerogel target to generate bound state of muon and electron (muonium). Then the muoniums are ionized by lasers and ultra slow (30 meV) muons (USM) are generated. The USM's are extracted by electro-static lens and injected to a muon linac. In this poster, simulation for optics of the surface muon beamline, muonium production and extraction by the electro-static lens, and the estimation of the USM's intensity are presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-TUPAK007  
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TUPAL067 Accelerators Validating Antimatter Physics 1167
  • C.P. Welsch
    The University of Liverpool, Liverpool, United Kingdom
  • C.P. Welsch
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
  Funding: This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 721559.
The Extra Low Energy Antiproton ring (ELENA) will be a critical upgrade to the unique Antiproton Decelerator facility at CERN and is currently being commissioned. ELENA will significantly enhance the achievable beam quality and enable new experiments. To fully exploit the discovery potential of this facility, advances are urgently required in numerical tools that can adequately model beam transport, life time and interaction, beam diagnostics tools and detectors to fully characterize the beam's properties, as well as in novel experiments that exploit the enhanced beam quality that ELENA will provide. These three areas form the scientific work packages of the new pan-European research and training initiative AVA (Accelerators Validating Antimatter physics). The project has received around 4M€ of funding and brings together universities, research centers and industry to train 15 Fellows through research in this area. This contribution presents the research results across AVA's three scientific work packages.
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-TUPAL067  
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