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| MOZZPLS2 |
Positron Driven Muon Source for a Muon Collider: Recent Developments |
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- M.E. Biagini, M. Antonelli, O.R. Blanco-García, M. Boscolo, A. Ciarma, A. Giribono, S. Guiducci, C. Vaccarezza, A. Variola
INFN/LNF, Frascati, Italy
- A. Bacci
INFN-Milano, Milano, Italy
- M. Bauce, F. Collamati
INFN-Roma1, Rome, Italy
- G. Cesarini
INFN-Roma, Roma, Italy
- I. Chaikovska, R. Chehab
LAL, Orsay, France
- S.M. Liuzzo, P. Raimondi
ESRF, Grenoble, France
- D. Lucchesi
Univ. degli Studi di Padova, Padova, Italy
- N. Pastrone
INFN-Torino, Torino, Italy
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The design of a future multi-TeV muon collider needs new ideas to overcome the technological challenges related to muon production, cooling, accumulation and acceleration. The Low Emittance Muon Accelerator (LEMMA) concept *,** presents in this paper an upgraded layout of a positron driven muon source. The positron beam, stored in a ring with high energy acceptance and low emittance, is extracted and driven in a push-pull configuration to a multi-target system, to produce muon pairs at threshold on the target’s electrons. This solution alleviates the issues related to the power deposited and the integrated Peak Energy Density Deposition on the targets. Muons produced in the multi-target system will then be accumulated in many parallel rings before acceleration and injection in the collider. A special multi-target line lattice has been designed to cope with the focusing of both the positron and muon beams. Studies on the number, material and thickness of the targets have been carried out. A general layout of the overall scheme and a description is presented, as well as plans for future R&D.
* M. Antonelli, P. Raimondi, INFN-13-22/LNF, 2013
** M. Boscolo, M. Antonelli, O.R. Blanco-Garcia, S. Guiducci, S. Liuzzo, P. Raimondi, F. Collamati, Phys. Rev. Accel. Beams, vol. 21, p. 061005, 2018
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Slides MOZZPLS2 [4.360 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-MOZZPLS2
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| About • |
paper received ※ 14 May 2019 paper accepted ※ 20 May 2019 issue date ※ 21 June 2019 |
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| MOPRB003 |
Multi-Target Lattice for Muon Production From e+ Beam Annihilation on Target |
578 |
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- O.R. Blanco-García
LAL, Orsay, France
- M. Antonelli, M.E. Biagini, M. Boscolo, A. Ciarma, S. Guiducci, C. Vaccarezza, A. Variola
INFN/LNF, Frascati, Italy
- G. Cesarini
INFN-Roma, Roma, Italy
- F. Collamati
INFN-Roma1, Rome, Italy
- R. Li Voti
Sapienza University of Rome, Rome, Italy
- P. Raimondi
ESRF, Grenoble, France
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The Low Emittance Muon Accelerator~(LEMMA) aims at producing small emittance muons from positron annihilation with electrons in a target. Given the low cross section of the production process, a large number of positrons on the target are required, exposing it to high power deposition and the beam to large degradation because of multiple scattering and bremstrahlung. A multi-target IP, and multi-IP line has been studied to reduce the power deposition per target and the degradation of the positron beam while preserving the number of muon pairs produced. The lattice copes with the focusing and transport of three beams at two different energies, the positron beam at 45 GeV, and µ++ and µ− beams at 22.5~GeV. Studies on the beam dynamics, number of targets, material and thickness of the targets are reported in this paper.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-MOPRB003
|
|
| About • |
paper received ※ 13 May 2019 paper accepted ※ 20 May 2019 issue date ※ 21 June 2019 |
|
| Export • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
※ EndNote (xml)
|
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