Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies

(PEPPo Collaboration)

doi:10.1103/PhysRevLett.116.214801

Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies

(PEPPo Collaboration)

Research output: Contribution to journal › Article › peer-review

86 Scopus citations

Abstract

The Polarized Electrons for Polarized Positrons experiment at the injector of the Continuous Electron Beam Accelerator Facility has demonstrated for the first time the efficient transfer of polarization from electrons to positrons produced by the polarized bremsstrahlung radiation induced by a polarized electron beam in a high-Z target. Positron polarization up to 82% have been measured for an initial electron beam momentum of 8.19 MeV/c, limited only by the electron beam polarization. This technique extends polarized positron capabilities from GeV to MeV electron beams, and opens access to polarized positron beam physics to a wide community.

Original language	English
Article number	214801
Journal	Physical Review Letters
Volume	116
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.116.214801
State	Published - May 27 2016
Externally published	Yes

Funding

This work was supported in part by the U.S. Department of Energy, the French Centre National de la Recherche Scientifique, and the International Linear Collider R&D program. Jefferson Science Associates operates the Thomas Jefferson National Accelerator Facility under DOE Contract No.DE-AC05-06OR23177.

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10.1103/PhysRevLett.116.214801

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title = "Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies",

abstract = "The Polarized Electrons for Polarized Positrons experiment at the injector of the Continuous Electron Beam Accelerator Facility has demonstrated for the first time the efficient transfer of polarization from electrons to positrons produced by the polarized bremsstrahlung radiation induced by a polarized electron beam in a high-Z target. Positron polarization up to 82% have been measured for an initial electron beam momentum of 8.19 MeV/c, limited only by the electron beam polarization. This technique extends polarized positron capabilities from GeV to MeV electron beams, and opens access to polarized positron beam physics to a wide community.",

author = "{(PEPPo Collaboration)} and D. Abbott and P. Adderley and A. Adeyemi and P. Aguilera and M. Ali and H. Areti and M. Baylac and J. Benesch and G. Bosson and B. Cade and A. Camsonne and Cardman, {L. S.} and J. Clark and P. Cole and S. Covert and C. Cuevas and O. Dadoun and D. Dale and H. Dong and J. Dumas and E. Fanchini and T. Forest and E. Forman and A. Freyberger and E. Froidefond and S. Golge and J. Grames and P. Gu{\`e}ye and J. Hansknecht and P. Harrell and J. Hoskins and C. Hyde and B. Josey and R. Kazimi and Y. Kim and D. Machie and K. Mahoney and R. Mammei and M. Marton and J. McCarter and M. McCaughan and M. McHugh and D. McNulty and Mesick, {K. E.} and T. Michaelides and R. Michaels and B. Moffit and D. Moser and {Mu{\~n}oz Camacho}, C. and Muraz, {J. F.}",

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doi = "10.1103/PhysRevLett.116.214801",

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T1 - Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies

AU - (PEPPo Collaboration)

AU - Abbott, D.

AU - Adderley, P.

AU - Adeyemi, A.

AU - Aguilera, P.

AU - Ali, M.

AU - Areti, H.

AU - Baylac, M.

AU - Benesch, J.

AU - Bosson, G.

AU - Cade, B.

AU - Camsonne, A.

AU - Cardman, L. S.

AU - Clark, J.

AU - Cole, P.

AU - Covert, S.

AU - Cuevas, C.

AU - Dadoun, O.

AU - Dale, D.

AU - Dong, H.

AU - Dumas, J.

AU - Fanchini, E.

AU - Forest, T.

AU - Forman, E.

AU - Freyberger, A.

AU - Froidefond, E.

AU - Golge, S.

AU - Grames, J.

AU - Guèye, P.

AU - Hansknecht, J.

AU - Harrell, P.

AU - Hoskins, J.

AU - Hyde, C.

AU - Josey, B.

AU - Kazimi, R.

AU - Kim, Y.

AU - Machie, D.

AU - Mahoney, K.

AU - Mammei, R.

AU - Marton, M.

AU - McCarter, J.

AU - McCaughan, M.

AU - McHugh, M.

AU - McNulty, D.

AU - Mesick, K. E.

AU - Michaelides, T.

AU - Michaels, R.

AU - Moffit, B.

AU - Moser, D.

AU - Muñoz Camacho, C.

AU - Muraz, J. F.

PY - 2016/5/27

Y1 - 2016/5/27

N2 - The Polarized Electrons for Polarized Positrons experiment at the injector of the Continuous Electron Beam Accelerator Facility has demonstrated for the first time the efficient transfer of polarization from electrons to positrons produced by the polarized bremsstrahlung radiation induced by a polarized electron beam in a high-Z target. Positron polarization up to 82% have been measured for an initial electron beam momentum of 8.19 MeV/c, limited only by the electron beam polarization. This technique extends polarized positron capabilities from GeV to MeV electron beams, and opens access to polarized positron beam physics to a wide community.

AB - The Polarized Electrons for Polarized Positrons experiment at the injector of the Continuous Electron Beam Accelerator Facility has demonstrated for the first time the efficient transfer of polarization from electrons to positrons produced by the polarized bremsstrahlung radiation induced by a polarized electron beam in a high-Z target. Positron polarization up to 82% have been measured for an initial electron beam momentum of 8.19 MeV/c, limited only by the electron beam polarization. This technique extends polarized positron capabilities from GeV to MeV electron beams, and opens access to polarized positron beam physics to a wide community.

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DO - 10.1103/PhysRevLett.116.214801

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VL - 116

JO - Physical Review Letters

JF - Physical Review Letters

IS - 21

M1 - 214801

ER -

Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies

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