Boccanfuso, D. and Alharthi, F. and Bandiera, L. and Canale, N. (2025) Study of a high intensity positron source based on oriented crystals. Il nuovo cimento C, 48 (3). pp. 1-6. ISSN 1826-9885
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Abstract
Positron sources are a key element for present and future lepton colliders, such as FCC-ee and ILC, which impose stringent requirements on electron and positron beams: they must have high intensity and low emittance in order to achieve high luminosity. The conventional method for making a positron source is to use a tungsten target hit by a high energy primary electron beam, generating photons by Bremsstrahlung that subsequently convert to e+e− pairs. However, the high thermal load and high energy density deposited in the target limits the intensity achievable with this technology. A possible way to overcome these limitations is to exploit the radiation processes that occur when charged particles pass through oriented crystals. A concrete proposal for an intense positron source with parameters of interest to FCC-ee based on this method has been advanced in the e+BOOST project. In this work, the proposal will be described in detail together with simulation results based on Geant4.
| Item Type: | Article |
|---|---|
| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 19 Jun 2025 11:06 |
| Last Modified: | 19 Jun 2025 11:06 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/23610 |
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