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Future electron-positron linear colliders require a highly polarized electron beam with a pulse structure that depends primarily on whether the acceleration utilizes warm or superconducting rf structures. The International Linear Collider…

In this article, we describe the key features of the recently completed technical design for the International Linear Collider (ILC), a 200-500 GeV linear electron-positron collider (expandable to 1 TeV) that is based on 1.3 GHz…

Accelerator Physics · Physics 2013-11-15 Barry Barish , James E. Brau

With the discovery of a Higgs boson at LHC, all particles of the Standard Model seem to have been observed experimentally, yet many questions are left unanswered. The discovery has intensified the planning for future high-energy colliders,…

High Energy Physics - Experiment · Physics 2016-07-04 Naomi van der Kolk

The International Linear Collider is now proposed with a staged machine design, with the first stage at $\sqrt{s}=250$ GeV and an integrated luminosity goal of 2 ab${}^{-1}$. One of the questions for the machine design is the importance of…

High Energy Physics - Phenomenology · Physics 2018-11-14 Jürgen Reuter

The International Linear Collider (ILC) will collide polarised electrons and positrons at beam energies of 45.6 GeV to 250 GeV and optionally up to 500 GeV. To fully exploit the physics potential of this machine, not only the luminosity and…

Instrumentation and Detectors · Physics 2008-10-13 C. Helebrant , D. Käfer , J. List

The International Linear Collider (ILC) is a proposed electron -- positron collider with a collision energy of $\sqrt{s}$ = 500 GeV in the baseline configuration. The ILC physics program takes full advantage of the fact that the machine can…

High Energy Physics - Experiment · Physics 2015-11-23 Jan Strube

The ILC positron system uses novel helical undulators to create a powerful photon beam from the main electron beam. This beam is passed through a titanium target to convert it into electron-positron pairs. The target is constructed as a 1 m…

Accelerator Physics · Physics 2012-03-02 Jeff Gronberg , Craig Brooksby , Tom Piggott , Ryan Abbott , Jay Javedani , Ed Cook

The International Linear Collider is now proposed with a staged machine design, with the first stage at $\sqrt{s}=$~250 GeV and an integrated luminosity goal of 2~ab$^{-1}$. One of the questions for the machine design is the importance of…

In the baseline design of the International Linear Collider (ILC) an undulator-based source is foreseen for the positron source. In this study the energy deposition in the pulsed flux concentrator (FC) of positron source is calculated for…

Accelerator Physics · Physics 2018-01-26 Andriy Ushakov , Gudrid Moortgat-Pick , Sabine Riemann

In the ILC electron-driven positron source, acceleration tubes are located immediately downstream of the positron generation target to capture the generated positrons, necessitating high vacuum for their operation. We designed a rotating…

The high-luminosity requirement in future lepton colliders imposes a need for a high-intensity positron source. In the conventional scheme, positron beams are obtained by the conversion of bremsstrahlung photons into electron-positron pairs…

The International Linear Collider is a planned electron-positron linear collider with its positron source producing positrons by aiming undulator radiation onto a rotating target. The resulting, highly divergent positron beam requires…

Accelerator Physics · Physics 2023-09-06 M. Formela , N. Hamann , G. Moortgat-Pick , G. Loisch , M. Mewes , M. Thévenet , J. Osterhoff , G. Boyle

We attracted attention to some peculiarities of positron production for linear collider (ILC). The conversion system with many targets and low K-factor is our primary interest.

Accelerator Physics · Physics 2016-06-24 Alexander Mikhailichenko

The ILC baseline design for the positron source is based on radiation from a helical undulator to produce positrons in a thin target. Since the photon beam created in the helical undulator is circularly polarized, the generated positron…

Accelerator Physics · Physics 2017-08-23 F. Staufenbiel , O. S. Adeyemi , V. Kovalenko , G. Moortgat-Pick , L. Malysheva , S. Riemann , A. Ushakov

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…

Accelerator Physics · Physics 2021-06-02 Khaled Alharbi , Sabine Riemann , Ayash Alrashdi , Gudrid Moortgat-Pick , Andriy Ushakov , Peter Sievers , .

The International Linear Collider (ILC) is now under consideration as the next global project in particle physics. In this report, we review of all aspects of the ILC program: the physics motivation, the accelerator design, the run plan,…

The positron source of the International Linear Collider is based on a superconducting helical undulator passed by the high-energy electron beam to generate photons which hit a conversion target. Since the photons are circularly polarized…

Accelerator Physics · Physics 2019-02-22 Khaled Alharbi , Sabine Riemann , Gudrid Moortgat-Pick , Ayash Alrashdi

The International Linear Collider (ILC) being proposed in Japan is an electron-positron linear collider with an initial energy of 250 GeV. The ILC accelerator is based on the technology of superconducting radio-frequency cavities. This…

The International Linear Collider (ILC) is a proposed electron-positron collider with a center-of-mass energy of 500~GeV, and a peak luminosity of $2 \cdot 10^{34}~\mathrm{cm}^{-2}\mathrm{s}^{-1}$. The ILC will complement the Large Hadron…

Accelerator Physics · Physics 2010-10-29 Iftach Sadeh

The construction of the ILC tangential to Tevatron ring will give opportunity to investigate electron-proton, positron-proton, electron-antiproton, positron-antiproton interactions at 1 TeV center of mass energy. The analysis of the…

High Energy Physics - Experiment · Physics 2008-11-26 O. Cakir , A. K. Ciftci , E. Recepoglu , S. Sultansoy , O. Yavas