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Related papers: A few comments to a method for producing positrons…

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The design of the positron source for the International Linear Collider (ILC) is still under discussion. The baseline design plans to use the high-energy electron beam for the positron production before it goes to the IP. The electrons pass…

Accelerator Physics · Physics 2020-02-26 Sabine Riemann , Peter Sievers , Gudrid Moortgat-Pick , Andriy Ushakov

The design of the positron source for the International Linear Collider (ILC) is still under consideration. The baseline design plans to use the electron beam for the positron production before it goes to the IP. The high-energy electrons…

Accelerator Physics · Physics 2019-02-22 Felix Dietrich , Gudrid Moortgat-Pick , Sabine Riemann , Peter Sievers , Andriy Ushakov

We discuss the basis of polarized positron production by low energy polarized electrons. Efficiency of conversion ~0.1-1% might be interesting for CEBAF facility and ILC as well.

Accelerator Physics · Physics 2016-10-18 Alexander Mikhailichenko

We describe a scheme for producing polarised positrons at the ILC from polarised X-rays created by Compton scattering of a few-GeV electron beam off a CO2 or YAG laser. This scheme is very energy effective using high finesse laser cavities…

For the planned International Linear Collider it is intended to have both -- electron and positron -- beams polarised. This offers a great benefit for many physics studies, but also provides a challenge for the engineering of the machine. A…

High Energy Physics - Experiment · Physics 2008-11-26 Andreas Schälicke

The positron source is an essential component of the International Linear Collider (ILC) and is an area that poses some design challenges. One consideration is the material for the target, where the 1014 positrons per second for the ILC are…

Accelerator Physics · Physics 2023-08-31 Tim Lengler , Dieter Lott , Gudrid Moortgat-Pick , Sabine Riemann

In this publication we collected descriptions of some installations with liquid metals which could be used for high-energy colliders, ILC particularly, for the purposes of targeting, collimation, cooling, collection of secondary particles…

Accelerator Physics · Physics 2015-11-12 Alexander Mikhailichenko

The full exploitation of the physics potential of an International Linear Collider (ILC) requires the development of a polarized positron beam. New concepts of polarized positron sources are based on the development of circularly polarized…

Instrumentation and Detectors · Physics 2009-11-11 Ralph Dollan , Karim Laihem , Andreas Schaelicke

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

Positron sources are critical components of the future linear collider projects. This is essentially due to the high luminosity required, orders of magnitude higher than existing ones. In addition, polarization of the positron beam rather…

Accelerator Physics · Physics 2014-05-13 I. Chaikovska , R. Chehab , O. Dadoun , P. Lepercq , A. Variola

Various methods of obtaining longitudinally polarized positrons for future linear colliders are reviewed. Special attention is paid to the schemes using circularly polarized high-energy photons for positron production. Most effectively such…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Strakhovenko , X. Artru , R. Chehab , M. Chevallier

Several designs for high-energy Lepton Colliders serving as Higgs factories but extendable to higher energies up to the TeV range are under discussion. The most mature design is the International Linear Collider (ILC), but also the Compact…

High Energy Physics - Phenomenology · Physics 2023-09-28 Gudrid Moortgat-Pick , Sabine Riemann , Peter Sievers , Carmen Tenholt

A photon-positron conversion target of the undulator or laser based polarized positron source is optimized using a modified GEANT-3 program adapted to count the spin transfer. High intensity positron beam with around 0.75 polarisation could…

Instrumentation and Detectors · Physics 2009-02-16 V. Gharibyan

The new method for producing of the polarized relativistic positrons is suggested. A beam of unpolarized positrons accelerated up to a few GeV can be polarized during a head-on collision with an intense circularly polarized lazer wave.…

Accelerator Physics · Physics 2007-05-23 A. P. Potylitsyn

We describe a novel design for an intense source of slow positrons based on pair production with a beam of electrons from a 10 MeV accelerator hitting a thin target at a low incidence angle. The positrons are collected with a set of coils…

High Energy Physics - Experiment · Physics 2009-11-10 P. Perez , A. Rosowsky

We present a detailed calculation of the electron-positron production rate using neutrinos in an intense laser field. The computation is done for the process neutrino to neutrino + electron + positron via the neutral channel and within the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Todd M. Tinsley

A possible solution to realize a conventional positron source driven by a several-GeV electron beam for the International Linear Collider is proposed. A 300 Hz electron linac is employed to create positrons with stretching pulse length in…

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 the baseline design of the International Linear Collider (ILC) an undulator-based source is foreseen for the positron source in order to match the physics requirements. The recently chosen first energy stage with sqrt(s)=250 GeV requires…

Positron sources are the key elements for the future and current lepton collider projects such as ILC, CLIC, SuperKEKB, FCC-ee, Muon Collider/LEMMA, etc., introducing challenging critical requirements for high intensity and low emittance…

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