WE1AA06
INFN-Milano, Milano, Italy
INFN-Milano, Milano, Italy
INFN/LASA, Segrate (MI), Italy
INFN-Napoli, Napoli, Italy
Universita’ degli Studi di Milano, Milano, Italy
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WE1AA06 |
A New Paradigm for Ultra-Low Emittance Muon Beam Generation Based on E.R.L. | |
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| One of the challenges of future muon colliders is the production of muon beams carrying high phase-space densities. In particular, the muon beam normalized transverse emittance is a relevant figure of merit to meet luminosity requests. A typical issue impacting the achieved transverse emittance in muon collider schemes so far considered is the phase space dilution caused by Coulomb interaction of primary particles propagating into the target where muons are generated. In this study we present a new scheme for muon beam generation occurring in vacuum by interactions of electron and photon beams. | ||
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Slides WE1AA06 [3.975 MB] | |
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| THPOJO25 | HOM Damping in Multi-Cell Superconducting Cavities for the Future Electron Source BriXSinO | 739 |
| SUPCGE08 | use link to see paper's listing under its alternate paper code | |
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| High order modes (HOMs) in multi-cell superconducting cavities are of particular concern in beam dynamics of linear accelerators, mainly those operating in CW mode with high current and high repetition rate. These undesired modes may invoke beam instabilities, beam breakup and increase the energy spread if not correctly pulled out and damped. The study reported in this paper is applied for damping the HOMs in the main Linac of BriXSinO, an ongoing project of an Energy Recovery Linac at LASA INFN laboratory. We developed a numerical model to study the interaction of monopole HOMs with the beam in long timescale. The presented model, named HOMEN (High Order Modes Evolution based on eNergy budget), allows the evaluation of the loss factor Kloss, crucial for evaluating the perturbing modes. At the same time, electromagnetic simulations of the standing wave multicell cavity, highlighted the dangerous modes and revealed a tolerable beam energy spread induced by HOMs. This method allows us to distinguish all dangerous modes of our interest for implementing the necessary damping mechanisms. | ||
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Poster THPOJO25 [1.111 MB] | |
| DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2022-THPOJO25 | |
| About • | Received ※ 22 August 2022 — Revised ※ 17 August 2022 — Accepted ※ 29 August 2022 — Issue date ※ 15 September 2022 | |
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