POLARIZED POSITRON GENERATION BASED ON LASER COMPTON SCHEME AND ITS POLARIZATION MEASUREMENTS-Reference-Cited by-同舟云学术

POLARIZED POSITRON GENERATION BASED ON LASER COMPTON SCHEME AND ITS POLARIZATION MEASUREMENTS

Published:2007-02-10 Issue:03n04 Volume:21 Page:519-526
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

SAKAUE KAZUYUKI¹,SAITO TAKU¹,YAMAZAKI ISSEI¹,KURODA RYUNOSUKE,WASHIO MASAKAZU¹,HIROSE TACHISHIGE¹,OMORI TSUNEHIKO²,OKUGI TOSHIYUKI²,KURIHARA YOSHIMASA²,URAKAWA JUNJI²,FUKUDA MASAFUMI³,NOMURA MASAHIRO³,OHASHI AYUMU⁴

Affiliation:

1. Advanced Research Institute for Science and Engineering, WASEDA University, 169-8555, 3-4-1, Okubo, Shinjuku-ku, Tokyo, Japan

2. High Energy Accelerator Research Organization (KEK), 305-0801, 1-1, Oho, Tsukuba-shi, Ibaraki, Japan

3. National Institute of Radiological Sciences (NIRS), 263-8555, 4-9-1 Anagawa, Chiba-shi, Japan

4. Tokyo Metropolitan University, 192-0397, 1-1, Minamiosawa, Hachioji-shi, Tokyo, Japan

Abstract

We have proposed a new scheme for polarized positron production, consisting of two quantum processes i.e. inverse Compton scatterings of circularly polarized laser light on high-quality electron beams and successive electron-positron pair creations. Using a circularly polarized laser beam of 532 nm scattered off a high-quality electron beam with the energy of 1.28 GeV, we have demonstrated for the first time productions of highly polarized positrons with an intensity of 2×104 e +/ bunch and an average energy of 36 MeV. Hence an average polarization of positrons was determined as 73±15( stat )±19( syst )% by means of a newly designed positron polarimeter.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S021797920704232X

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