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Search for solar axion emission from 7Li and D(p,gamma)3He nuclear decays with the CAST gamma-ray calorimeter

Abstract : We present the results of a search for a high-energy axion emission signal from 7Li (0.478 MeV) and D(p,gamma)3He (5.5 MeV) nuclear transitions using a low-background gamma-ray calorimeter during Phase I of the CAST experiment. These so-called "hadronic axions" could provide a solution to the long-standing strong-CP problem and can be emitted from the solar core from nuclear M1 transitions. This is the first such search for high-energy pseudoscalar bosons with couplings to nucleons conducted using a helioscope approach. No excess signal above background was found.
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http://hal.in2p3.fr/in2p3-01019475
Contributor : Dominique Girod Connect in order to contact the contributor
Submitted on : Monday, July 7, 2014 - 11:21:18 AM
Last modification on : Monday, December 13, 2021 - 9:15:22 AM

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S. Andriamonje, S. Aune, D. Autiero, K. Barth, A. Belov, et al.. Search for solar axion emission from 7Li and D(p,gamma)3He nuclear decays with the CAST gamma-ray calorimeter. Journal of Cosmology and Astroparticle Physics, Institute of Physics (IOP), 2010, 2010(03), pp.032. ⟨10.1088/1475-7516/2010/03/032⟩. ⟨in2p3-01019475⟩

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