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Novel designs for undulator based positron sources

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Novel designs for undulator based positron sources. / Jenkins, Mike; Bailey, Ian.
Proceedings of IPAC2012. IEEE, 2012. p. 1485-1487.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

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Jenkins M, Bailey I. Novel designs for undulator based positron sources. In Proceedings of IPAC2012. IEEE. 2012. p. 1485-1487

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Jenkins, Mike ; Bailey, Ian. / Novel designs for undulator based positron sources. Proceedings of IPAC2012. IEEE, 2012. pp. 1485-1487

Bibtex

@inproceedings{762393f5fc3e4a02aeba257297515a34,
title = "Novel designs for undulator based positron sources",
abstract = "At least three proposed future colliders (ILC, CLiC and LHeC) require a positron source with a yield greater than 1014 e+s−1. An undulator-based positron source has the potential to provide the required yield. This design generates gamma rays by using a high energy electron beam traveling through a superconducting helical undulator. The gamma rays then pair produce in a titanium alloy target to produce positrons. This is the ILC baseline positron source. Two drawbacks to the undulator-based positron source are that it couples the positron source to the electron beam operation and that it exhibits a low conversion efficiency of photons to positrons. A self-seeding undulator-based positron source has been proposed. This starts with a low intensity positron beam which travels through the undulator to produce more positrons which are recirculated through the source to increase the intensity until the design yield is achieved. Multiple targets can be added to increase the conversion efficiency of the positron source. In this study I present simulation results for such a design and consider the feasibility of this design at the ILC, CLiC or LHeC.",
author = "Mike Jenkins and Ian Bailey",
year = "2012",
language = "English",
pages = "1485--1487",
booktitle = "Proceedings of IPAC2012",
publisher = "IEEE",

}

RIS

TY - GEN

T1 - Novel designs for undulator based positron sources

AU - Jenkins, Mike

AU - Bailey, Ian

PY - 2012

Y1 - 2012

N2 - At least three proposed future colliders (ILC, CLiC and LHeC) require a positron source with a yield greater than 1014 e+s−1. An undulator-based positron source has the potential to provide the required yield. This design generates gamma rays by using a high energy electron beam traveling through a superconducting helical undulator. The gamma rays then pair produce in a titanium alloy target to produce positrons. This is the ILC baseline positron source. Two drawbacks to the undulator-based positron source are that it couples the positron source to the electron beam operation and that it exhibits a low conversion efficiency of photons to positrons. A self-seeding undulator-based positron source has been proposed. This starts with a low intensity positron beam which travels through the undulator to produce more positrons which are recirculated through the source to increase the intensity until the design yield is achieved. Multiple targets can be added to increase the conversion efficiency of the positron source. In this study I present simulation results for such a design and consider the feasibility of this design at the ILC, CLiC or LHeC.

AB - At least three proposed future colliders (ILC, CLiC and LHeC) require a positron source with a yield greater than 1014 e+s−1. An undulator-based positron source has the potential to provide the required yield. This design generates gamma rays by using a high energy electron beam traveling through a superconducting helical undulator. The gamma rays then pair produce in a titanium alloy target to produce positrons. This is the ILC baseline positron source. Two drawbacks to the undulator-based positron source are that it couples the positron source to the electron beam operation and that it exhibits a low conversion efficiency of photons to positrons. A self-seeding undulator-based positron source has been proposed. This starts with a low intensity positron beam which travels through the undulator to produce more positrons which are recirculated through the source to increase the intensity until the design yield is achieved. Multiple targets can be added to increase the conversion efficiency of the positron source. In this study I present simulation results for such a design and consider the feasibility of this design at the ILC, CLiC or LHeC.

M3 - Conference contribution/Paper

SP - 1485

EP - 1487

BT - Proceedings of IPAC2012

PB - IEEE

ER -