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  (B-L) Symmetry vs. Neutrino Seesaw

Latosinski, A., Meissner, K. A., & Nicolai, H. (2013). (B-L) Symmetry vs. Neutrino Seesaw. The European Physical Journal C - Particles and Fields, 73: 2336. doi:10.1140/epjc/s10052-013-2336-7.

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1205.5887 (Preprint), 147KB
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10.1140_epjc_s10052-013-2336-7.pdf (Any fulltext), 351KB
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 Creators:
Latosinski, Adam, Author
Meissner, Krzysztof A., Author
Nicolai, Hermann1, Author           
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: High Energy Physics - Phenomenology, hep-ph
 Abstract: We compute the effective coupling of the Majoron to W bosons at $\cO(\hbar)$ by evaluating the matrix element of the (B-L) current between the vacuum and a $W^+W^-$ state. The (B-L) anomaly vanishes, but the amplitude does not vanish as a result of a UV finite and non-local contribution which is entirely due to the mixing between left-chiral and right-chiral neutrinos. The result shows how anomaly-like couplings may arise in spite of the fact that the (B-L) current remains exactly conserved to all orders in $\hbar$, lending additional support to our previous proposal to identify the Majoron with the axion.

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 Dates: 2012-05-262012-10-122013
 Publication Status: Issued
 Pages: 13 pages, 1 figure, with additional explanations and clarifications
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 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 1205.5887
DOI: 10.1140/epjc/s10052-013-2336-7
 Degree: -

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Title: The European Physical Journal C - Particles and Fields
  Other : Europ. Phys. J. C
Source Genre: Journal
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Publ. Info: Les Ulis, France : EDP Sciences
Pages: - Volume / Issue: 73 Sequence Number: 2336 Start / End Page: - Identifier: ISSN: 1434-6044
CoNE: https://pure.mpg.de/cone/journals/resource/954925624278_3