Paper |
Title |
Page |
MOPIK062 |
Optics Adaptations for Bending Magnet Beam Lines at ESRF: Short Bend, 2-Pole Wiggler, 3-Pole Wiggler |
666 |
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- S.M. Liuzzo, N. Carmignani, J. Chavanne, L. Farvacque, B. Nash, P. Raimondi
ESRF, Grenoble, France
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The ESRF-EBS project foresees the replacement of the existing bending magnets beamlines with different radiation sources: short bend, 2-pole wiggler or 3-pole wiggler. After describing the reasons for this choices the required modifications to the storage ring lattice are described in details for each case. The study of the impact of lattice errors is also addressed, leading to the definition of beamlines' alignment tolerances.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-MOPIK062
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MOPIK063 |
Non-Linear Kickers Using Eddy Current Screens and Application to the ESRF |
670 |
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- S.M. White, M. Dubrulle, L. Farvacque, P. Henrissat, G. Le Bec, E. Plouviez, P. Raimondi, C. Richard
ESRF, Grenoble, France
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The ESRF storage ring injection and accumulation is performed using standard 4-kickers bump and septum magnet. Sextupoles are located within the injection bump leading to significant bump non-closure during the ramp-up and ramp-down and optics distorsion for both stored and injected beam. Introducing non-linearities in the kickers allows for compensation of the perturbation from these sextupoles. We report on the feasibility of adding eddy current screens to a standard kicker magnet design to generate a non-linear field and its recent application to mitigate the injection perturbations at the ESRF.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-MOPIK063
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WEOBA3 |
Studies of a Scheme for Low Emittance Muon Beam Production From Positrons on Target |
2486 |
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- M. Boscolo, M. Antonelli, M.E. Biagini, O.R. Blanco-García, A. Variola
INFN/LNF, Frascati (Roma), Italy
- A. Bacci
Istituto Nazionale di Fisica Nucleare, Milano, Italy
- I. Chaikovska, R. Chehab
LAL, Orsay, France
- F. Collamati
INFN-Roma1, Rome, Italy
- M. Iafrati
ENEA, Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile, Frascati, Italy
- L. Keller
SLAC, Menlo Park, California, USA
- S.M. Liuzzo, P. Raimondi
ESRF, Grenoble, France
- P. Sievers
CERN, Geneva, Switzerland
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We are studying a new scheme to produce very low emittance muon beams using a positron beam of about 45 GeV interacting on electrons on target. This is a challenging and innovative scheme that needs a full design study. One of the innovative topics to be investigated is the behaviour of the positron beam stored in a low emittance ring with a thin target, that is directly inserted in the ring chamber to produce muons. Muons will be immediately collected at the exit of the target and transported to two mu+ and mu- accumulator rings. We focus in this paper on the simulation of the e+ beam interacting with the target, its degradation in the 6-D phase space and the optimization of the e+ ring design mainly to maximize the energy acceptance. We will investigate the performances of this scheme, ring optics plus target system, comparing different multi-turn simulations.
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Slides WEOBA3 [3.737 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-WEOBA3
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THPPA3 |
Hybrid Multi Bend Achromat: from SuperB to EBS |
3670 |
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- P. Raimondi
ESRF, Grenoble, France
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The Hybrid Multi Bend Achromat: from SuperB to EBS. The motivations and rationale at the basis of the Hybrid Multi Bend Achromat (HMBA) lattice and its evolution through the years are presented. Its implementation in the ESRF Extremely Brilliant Source (EBS) upgrade is also shown.
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Slides THPPA3 [24.610 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-THPPA3
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