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  Neutrino mass from bremsstrahlung endpoint in coherent scattering on nuclei

Millar, A., Raffelt, G., Stodolsky, L., & Vitagliano, E. (2018). Neutrino mass from bremsstrahlung endpoint in coherent scattering on nuclei. Physical Review D, (98), 123006. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-245.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-F893-F Version Permalink: https://hdl.handle.net/21.11116/0000-0003-F894-E
Genre: Journal Article

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 Creators:
Millar, Alexander1, Author
Raffelt, Georg1, Author
Stodolsky, Leo1, Author
Vitagliano, Edoardo1, Author
Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              

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Free keywords: Theoretical Physics
 Abstract: We calculate the coherent bremsstrahlung process $ν+{\cal N} \to {\cal N}+ν+γ$ off a nucleus ${\cal N}$ with the aim of revealing the neutrino mass via the photon endpoint spectrum. Unfortunately, the large required power of a monochromatic neutrino source and/or large detector mass make it difficult to compete with traditional electron-spectrum endpoint measurements in nuclear $β$ decay. Our neutral-current process distinguishes between Dirac and Majorana neutrinos, but the change of the photon spectrum is of the order of $m_ν/E_ν$ and thus very small, despite the final-state neutrino coming to rest at the photon endpoint. So the "Dirac-Majorana confusion theorem" remains intact even if $E_ν\gg m_ν$ applies only for the initial state.

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 Dates: 2018
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 747360
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-245
URI: http://arXiv.org/abs/arxiv:1810.06584
URI: https://inspirehep.net/search?p=find+eprint+1810.06584
Other: MPP-2018-245
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Title: Physical Review D
  Alternative Title : Phys.Rev.D
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: (98) Sequence Number: - Start / End Page: 123006 Identifier: -