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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. We report that this technique extends polarized positron capabilities from GeV to MeV electron beams, and opens access to polarized positron beam physics to a wide community.

Authors:
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Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); USDOE National Nuclear Security Administration (NNSA)
Contributing Org.:
PEPPo Collaboration
OSTI Identifier:
1254996
Alternate Identifier(s):
OSTI ID: 1254681; OSTI ID: 1454866
Report Number(s):
JLAB-ACC-16-2259; DOE/OR-/23177-3805
Journal ID: ISSN 0031-9007; PRLTAO; TRN: US1601728
Grant/Contract Number:  
AC05-06OR23177; NA0000979
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 116; Journal Issue: 21; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Abbott, D., Adderley, P., Adeyemi, A., Aguilera, P., Ali, M., Areti, H., Baylac, M., Benesch, J., Bosson, G., Cade, B., Camsonne, A., Cardman, L. S., Clark, J., Cole, P., Covert, S., Cuevas, C., Dadoun, O., Dale, D., Dong, H., Dumas, J., Fanchini, E., Forest, T., Forman, E., Freyberger, A., Froidefond, E., Golge, S., Grames, J., Guèye, P., Hansknecht, J., Harrell, P., Hoskins, J., Hyde, C., Josey, B., Kazimi, R., Kim, Y., Machie, D., Mahoney, K., Mammei, R., Marton, M., McCarter, J., McCaughan, M., McHugh, M., McNulty, D., Mesick, K. E., Michaelides, T., Michaels, R., Moffit, B., Moser, D., Muñoz Camacho, C., Muraz, J. -F., Opper, A., Poelker, M., Réal, J. -S., Richardson, L., Setiniyaz, S., Stutzman, M., Suleiman, R., Tennant, C., Tsai, C., Turner, D., Ungaro, M., Variola, A., Voutier, E., Wang, Y., and Zhang, Y. Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies. United States: N. p., 2016. Web. doi:10.1103/PhysRevLett.116.214801.
Abbott, D., Adderley, P., Adeyemi, A., Aguilera, P., Ali, M., Areti, H., Baylac, M., Benesch, J., Bosson, G., Cade, B., Camsonne, A., Cardman, L. S., Clark, J., Cole, P., Covert, S., Cuevas, C., Dadoun, O., Dale, D., Dong, H., Dumas, J., Fanchini, E., Forest, T., Forman, E., Freyberger, A., Froidefond, E., Golge, S., Grames, J., Guèye, P., Hansknecht, J., Harrell, P., Hoskins, J., Hyde, C., Josey, B., Kazimi, R., Kim, Y., Machie, D., Mahoney, K., Mammei, R., Marton, M., McCarter, J., McCaughan, M., McHugh, M., McNulty, D., Mesick, K. E., Michaelides, T., Michaels, R., Moffit, B., Moser, D., Muñoz Camacho, C., Muraz, J. -F., Opper, A., Poelker, M., Réal, J. -S., Richardson, L., Setiniyaz, S., Stutzman, M., Suleiman, R., Tennant, C., Tsai, C., Turner, D., Ungaro, M., Variola, A., Voutier, E., Wang, Y., & Zhang, Y. Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies. United States. doi:10.1103/PhysRevLett.116.214801.
Abbott, D., Adderley, P., Adeyemi, A., Aguilera, P., Ali, M., Areti, H., Baylac, M., Benesch, J., Bosson, G., Cade, B., Camsonne, A., Cardman, L. S., Clark, J., Cole, P., Covert, S., Cuevas, C., Dadoun, O., Dale, D., Dong, H., Dumas, J., Fanchini, E., Forest, T., Forman, E., Freyberger, A., Froidefond, E., Golge, S., Grames, J., Guèye, P., Hansknecht, J., Harrell, P., Hoskins, J., Hyde, C., Josey, B., Kazimi, R., Kim, Y., Machie, D., Mahoney, K., Mammei, R., Marton, M., McCarter, J., McCaughan, M., McHugh, M., McNulty, D., Mesick, K. E., Michaelides, T., Michaels, R., Moffit, B., Moser, D., Muñoz Camacho, C., Muraz, J. -F., Opper, A., Poelker, M., Réal, J. -S., Richardson, L., Setiniyaz, S., Stutzman, M., Suleiman, R., Tennant, C., Tsai, C., Turner, D., Ungaro, M., Variola, A., Voutier, E., Wang, Y., and Zhang, Y. Fri . "Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies". United States. doi:10.1103/PhysRevLett.116.214801. https://www.osti.gov/servlets/purl/1254996.
@article{osti_1254996,
title = {Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies},
author = {Abbott, D. and Adderley, P. and Adeyemi, A. and Aguilera, P. and Ali, M. and Areti, H. and Baylac, M. and Benesch, J. and Bosson, G. and Cade, B. and Camsonne, A. and Cardman, L. S. and Clark, J. and Cole, P. and Covert, S. and Cuevas, C. and Dadoun, O. and Dale, D. and Dong, H. and Dumas, J. and Fanchini, E. and Forest, T. and Forman, E. and Freyberger, A. and Froidefond, E. and Golge, S. and Grames, J. and Guèye, P. and Hansknecht, J. and Harrell, P. and Hoskins, J. and Hyde, C. and Josey, B. and Kazimi, R. and Kim, Y. and Machie, D. and Mahoney, K. and Mammei, R. and Marton, M. and McCarter, J. and McCaughan, M. and McHugh, M. and McNulty, D. and Mesick, K. E. and Michaelides, T. and Michaels, R. and Moffit, B. and Moser, D. and Muñoz Camacho, C. and Muraz, J. -F. and Opper, A. and Poelker, M. and Réal, J. -S. and Richardson, L. and Setiniyaz, S. and Stutzman, M. and Suleiman, R. and Tennant, C. and Tsai, C. and Turner, D. and Ungaro, M. and Variola, A. and Voutier, E. and Wang, Y. and Zhang, Y.},
abstractNote = {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. We report that this technique extends polarized positron capabilities from GeV to MeV electron beams, and opens access to polarized positron beam physics to a wide community.},
doi = {10.1103/PhysRevLett.116.214801},
journal = {Physical Review Letters},
number = 21,
volume = 116,
place = {United States},
year = {2016},
month = {5}
}

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