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Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beam

In the future the International Linear Collider (ILC), a helical undulator-based polarized positron source, is expected to be chosen. A high energy electron beam passes through a superconducting helical undulator in order to create circularly polarized photons which will be directed to a conversion...

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Autores principales: Alharbi, Khaled, Riemann, Sabine, Alrashdi, Ayash, Moortgat-Pick, Gudrid, Ushakov, Andriy, Sievers, Peter, .
Lenguaje:eng
Publicado: 2021
Materias:
Acceso en línea:http://cds.cern.ch/record/2773922
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author Alharbi, Khaled
Riemann, Sabine
Alrashdi, Ayash
Moortgat-Pick, Gudrid
Ushakov, Andriy
Sievers, Peter
.
author_facet Alharbi, Khaled
Riemann, Sabine
Alrashdi, Ayash
Moortgat-Pick, Gudrid
Ushakov, Andriy
Sievers, Peter
.
author_sort Alharbi, Khaled
collection CERN
description In the future the International Linear Collider (ILC), a helical undulator-based polarized positron source, is expected to be chosen. A high energy electron beam passes through a superconducting helical undulator in order to create circularly polarized photons which will be directed to a conversion target, resulting in electron-positron pairs. The resulting positron beam is longitudinally polarized. Since the photons are produced with an opening angle and pass through a long superconducting helical undulator, some of these photons will strike the undulator walls. Therefore photon masks must be placed along the undulator line in order to keep the power deposited in the undulator walls below the acceptable limit of 1W/m. The baseline design of the ILC is focused on 250 GeV center-of-mass energy and upgrade to center-of-mass energies of 350 and 500 GeV is foreseen. This paper shows a detailed study of the ideal power deposited along the masks for both 350 and 500 GeV center-of-mass energies.
id cern-2773922
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2021
record_format invenio
spelling cern-27739222021-12-11T03:02:55Zhttp://cds.cern.ch/record/2773922engAlharbi, KhaledRiemann, SabineAlrashdi, AyashMoortgat-Pick, GudridUshakov, AndriySievers, Peter.Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beamphysics.acc-phAccelerators and Storage RingsIn the future the International Linear Collider (ILC), a helical undulator-based polarized positron source, is expected to be chosen. A high energy electron beam passes through a superconducting helical undulator in order to create circularly polarized photons which will be directed to a conversion target, resulting in electron-positron pairs. The resulting positron beam is longitudinally polarized. Since the photons are produced with an opening angle and pass through a long superconducting helical undulator, some of these photons will strike the undulator walls. Therefore photon masks must be placed along the undulator line in order to keep the power deposited in the undulator walls below the acceptable limit of 1W/m. The baseline design of the ILC is focused on 250 GeV center-of-mass energy and upgrade to center-of-mass energies of 350 and 500 GeV is foreseen. This paper shows a detailed study of the ideal power deposited along the masks for both 350 and 500 GeV center-of-mass energies.arXiv:2106.00074DESY-21-084DESY 21-084oai:cds.cern.ch:27739222021-05-31
spellingShingle physics.acc-ph
Accelerators and Storage Rings
Alharbi, Khaled
Riemann, Sabine
Alrashdi, Ayash
Moortgat-Pick, Gudrid
Ushakov, Andriy
Sievers, Peter
.
Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beam
title Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beam
title_full Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beam
title_fullStr Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beam
title_full_unstemmed Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beam
title_short Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beam
title_sort photon masks for the ilc positron source with 175 and 250 gev electron drive beam
topic physics.acc-ph
Accelerators and Storage Rings
url http://cds.cern.ch/record/2773922
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