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Search for Solar Axions Produced in p(d,3He)A Reaction with Borexino Detector

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons30794

Maneschg,  W.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons31050

Simgen,  H.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

Externe Ressourcen
Volltexte (frei zugänglich)

1203.6258
(Preprint), 4KB

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Zitation

Bellini, G., Benziger, J., Bick, D., Bonfini, G., Bravo, D., Avanzini, M. B., et al. (2012). Search for Solar Axions Produced in p(d,3He)A Reaction with Borexino Detector. Physical Review D, 85(9): 092003, pp. 1-11. doi:10.1103/PhysRevD.85.092003.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-ACC4-C
Zusammenfassung
A search for 5.5-MeV solar axions produced in the $p+d\rightarrow\rm{^3He}+A (5.5 \rm{MeV})$ reaction was performed using the Borexino detector. The Compton conversion of axions to photons, ${\rm A}+e\rightarrow e+\gamma$; the axio-electric effect, ${\rm A}+e+Z\rightarrow e+Z$; the decay of axions into two photons, ${\rm A}\rightarrow2\gamma$; and inverse Primakoff conversion on nuclei, ${\rm A}+Z\rightarrow\gamma+Z$, are considered. Model independent limits on axion-electron ($g_{Ae}$), axion-photon ($g_{A\gamma}$), and isovector axion-nucleon ($g_{3AN}$) couplings are obtained: $|g_{Ae}\times g_{3AN}| \leq 5.5\times 10^{-13}$ and $|g_{A\gamma}\times g_{3AN}| \leq 4.6\times 10^{-11} \rm{GeV}^{-1}$ at $m_A <$ 1 MeV (90% c.l.). These limits are 2-4 orders of magnitude stronger than those obtained in previous laboratory-based experiments using nuclear reactors and accelerators.